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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Thu May 29 11:01:10 2025 (UTC+1000).

Active BGP entries (FIB)

Table Size Metrics

The trend of the size of the BGP Forwarding Table (FIB). Also the underlying BGP Routing Table (RIB). The RIB/FIB ratio is a function of the number of BGP peering sessions at the sample point. Some RIB entries are marked as unusable as an outcome of protocol operation, and these categories of unusable advertisements are tracked.

FIB / RIB Table Reports (plots)	Data Sets(txt)
Active BGP entries (FIB)	1012515	Change in FIB Size	62	Change (%)	0.006
All BGP entries (RIB)	2997730
RIB/FIB ratio (2997730/1012515)	2.9607
Valid entries	2997730
Suppressed RIB entries	0
Damped entries	0
History entries	0

Address Span Metrics

The total span of address space advertised in the BGP table, and the relationship of this value to the number and size of address prefix objects in the table.

Address Space Reports (plots)	Data Sets(txt)
Total address space advertised (/32 equiv)	3111213184
Total address space advertised (prefix length)	0.46516989
Percentage of IPv4 space advertised (3111213184/4294967295)	72.438577
Total address space advertised - corrected to 19 /8s	(data)
Average address span	3073
Average address span (as prefix size)	20.4150
Average prefix length	22.9113

More Specifics

The characteristics of more specific advertisements - where an advertisement is associated with a sub-span of address space of another advertisement. The metrics also look at the degree of similarity of the AS paths of the specific advertisements to the encompassing aggregate.

More-Specific Advertisement Reports (plots)	Data Sets(txt)	Percentage Reports (plots)	Data Sets(txt)
Entries advertising more specific prefixes of aggregates	529227	Specifics as % of FIB entries (529227/1012515)	52.2686
Specifics as % of address span (1134436949/3111213184)	36.4628
Specifics where AS prepended Path matches aggregate	224181	AS-P_Path-Match % (224181/529227)	42.36
AS Path matches aggregate	244531	AS-Path-Match % (244531/529227)	46.2053
AS Origin matches aggregate	406741	AS-Origin-Match % (406741/529227)	76.8557
Root Prefixes	483288
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	425705
Root Prefixes with depth 1	46427
Root Prefixes with depth 2	9056
Root Prefixes with depth 3	1592
Root Prefixes with depth 4	393
Root Prefixes with depth 5	83
Root Prefixes with depth 6	26
Root Prefixes with depth 7	5
Root Prefixes with depth 8	1

AS Numbers

The time trend of the number of unique AS numbers advertised within the BGP table. The associated metrics characterise AS's into origin only, transit only, or mixed (origin and transit), and also look at the trends of advertised address space as related to the number of ASes.

AS Reports (plots)	Data Sets(txt)	Additional Reports (plots)	Data Sets(txt)
Unique ASes	77148	ASes visible in only one AS path	46109
Origin only ASes	65709	Origin ASs announced via a single AS path	45578
Transit only ASes	560	Originating AS ATOM count	76588
Mixed ASes	10879	Originating AS ATOM compression	0.0756
Multi-Origin Prefixes	1952
ASes originating a single prefix	26817
Average FIB entries per Origin AS	13.2203	Maximum entries for an origin AS (AS7713)	3697
Average address range span for an origin AS	40622.7240	Maximum address range for an origin AS (AS749)	227957760

AS Paths

The time trend of the number of unique AS Paths advertised within the BGP table. The associated metrics look at trends of average path length, and BGP table entries per path.

AS Reports (plots)	Data Sets(txt)	Additional Reports (plots)	Data Sets(txt)
Unique AS Paths	251475	Unique AS prepended Paths	270990
AS Paths used in FIB	129106	AS Paths using prepending	70313
AS paths associated with a single FIB entry	61601	AS Paths using private ASs	37
Average AS path length	5.2661	Number of Prefixes with Selected AS Prepending Paths	152544
Maximum AS Path length	15	Number of Prefixes with AS Prepending Paths	152544
Average address weighted AS path length	6.6553	Maximum prepended AS Path length	91
Average entries per AS Path	4.0263	Average entries per FIB AS Path	7.8425
AS Paths per origin AS	3.2835	FIB AS Paths per origin AS	1.6857
AS PATH ATOM compression	0.1275

Prefix Length Distributions

The time trend of the distribution of BGP Table entries by address prefix length.

Prefix Length Reports (plots)	Data Sets(txt)	Percentage Reports (plots)	Data Sets(txt)
Prefix Count	(data)	% Prefix distribution	(data)
Prefix count /8	16	% Prefix /8	0.00
Prefix count /9	16	% Prefix /9	0.00
Prefix count /10	41	% Prefix /10	0.00
Prefix count /11	92	% Prefix /11	0.01
Prefix count /12	298	% Prefix /12	0.03
Prefix count /13	583	% Prefix /13	0.06
Prefix count /14	1222	% Prefix /14	0.12
Prefix count /15	2173	% Prefix /15	0.21
Prefix count /16	13962	% Prefix /16	1.38
Prefix count /17	8411	% Prefix /17	0.83
Prefix count /18	13988	% Prefix /18	1.38
Prefix count /19	25139	% Prefix /19	2.48
Prefix count /20	45904	% Prefix /20	4.53
Prefix count /21	53234	% Prefix /21	5.26
Prefix count /22	114154	% Prefix /22	11.27
Prefix count /23	107432	% Prefix /23	10.61
Prefix count /24	625028	% Prefix /24	61.73
Prefix count /25	797	% Prefix /25	0.08
Prefix count /26	0	% Prefix /26	0.00
Prefix count /27	1	% Prefix /27	0.00
Prefix count /28	1	% Prefix /28	0.00
Prefix count /29	2	% Prefix /29	0.00
Prefix count /30	0	% Prefix /30	0.00
Prefix count /31	0	% Prefix /31	0.00
Prefix count /32	21	% Prefix /32	0.00

Root Prefix Length Distributions

The time trend of the distribution of Root BGP Table entries by address prefix length.

Root Prefix Length Reports (plots)	Data Sets(txt)	Percentage Reports (plots)	Data Sets(txt)
Root Prefix Count	(data)	% Prefix distribution	(data)
Prefix count /8	16	% Prefix /8	0.00
Prefix count /9	9	% Prefix /9	0.00
Prefix count /10	41	% Prefix /10	0.01
Prefix count /11	85	% Prefix /11	0.02
Prefix count /12	264	% Prefix /12	0.05
Prefix count /13	488	% Prefix /13	0.10
Prefix count /14	1042	% Prefix /14	0.22
Prefix count /15	1667	% Prefix /15	0.34
Prefix count /16	11049	% Prefix /16	2.29
Prefix count /17	4461	% Prefix /17	0.92
Prefix count /18	6940	% Prefix /18	1.44
Prefix count /19	14798	% Prefix /19	3.06
Prefix count /20	20189	% Prefix /20	4.18
Prefix count /21	22376	% Prefix /21	4.63
Prefix count /22	59433	% Prefix /22	12.30
Prefix count /23	42908	% Prefix /23	8.88
Prefix count /24	297511	% Prefix /24	61.56
Prefix count /25	11	% Prefix /25	0.00
Prefix count /26	0	% Prefix /26	0.00
Prefix count /27	0	% Prefix /27	0.00
Prefix count /28	0	% Prefix /28	0.00
Prefix count /29	0	% Prefix /29	0.00
Prefix count /30	0	% Prefix /30	0.00
Prefix count /31	0	% Prefix /31	0.00
Prefix count /32	0	% Prefix /32	0.00

AS Diameter Reports

The time trend of the reacahbility of addresses and AS's using AS distance from the sample point to the origin AS as the diameter metric.

AS Diameter Reports (plots)	Data Sets(txt)	Percentage Reports (plots)	Data Sets(txt)
Addresses by AS distance	(data)	Address percentage by AS distance	(data)
Addresses at AS distance 0	256	% Addresses at AS distance 0	0.0
Addresses at AS distance 1	4864	% Addresses at AS distance 1	0.0
Addresses at AS distance 2	241074853	% Addresses at AS distance 2	5.7
Addresses at AS distance 3	1143524880	% Addresses at AS distance 3	26.9
Addresses at AS distance 4	2002986016	% Addresses at AS distance 4	47.2
Addresses at AS distance 5	650825856	% Addresses at AS distance 5	15.3
Addresses at AS distance 6	178222464	% Addresses at AS distance 6	4.2
Addresses at AS distance 7	20188928	% Addresses at AS distance 7	0.5
Addresses at AS distance 8	8515328	% Addresses at AS distance 8	0.2
Addresses at AS distance 9	258560	% Addresses at AS distance 9	0.0
Addresses at AS distance 10	46848	% Addresses at AS distance 10	0.0
Addresses at AS distance 11	768	% Addresses at AS distance 11	0.0
Addresses at AS distance 12	256	% Addresses at AS distance 12	0.0
Addresses at AS distance 13	0	% Addresses at AS distance 13	0.0
Addresses at AS distance 14	256	% Addresses at AS distance 14	0.0

Cumulative Address by AS distance	(data)	Cumulative % Address by AS distance	(data)
Addresses reachable within 0 AS hops	256	% Addresses reachable within 0 AS hops	0
Addresses reachable within 1 AS hops	5120	% Addresses reachable within 1 AS hops	0
Addresses reachable within 2 AS hops	241079973	% Addresses reachable within 2 AS hops	5
Addresses reachable within 3 AS hops	1384604853	% Addresses reachable within 3 AS hops	32
Addresses reachable within 4 AS hops	3387590869	% Addresses reachable within 4 AS hops	79
Addresses reachable within 5 AS hops	4038416725	% Addresses reachable within 5 AS hops	95
Addresses reachable within 6 AS hops	4216639189	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	4236828117	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	4245343445	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	4245602005	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	4245648853	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	4245649621	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	4245649877	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	4245649877	% Addresses reachable within 13 AS hops	99
Addresses reachable within 14 AS hops	4245650133	% Addresses reachable within 14 AS hops	100

ASes by AS distance	(data)	% ASes by AS hops	(data)
ASes reachable at 0 AS hops	1	% ASes reachable at 0 AS hops	0
ASes reachable at 1 AS hops	2	% ASes reachable at 1 AS hops	0
ASes reachable at 2 AS hops	364	% ASes reachable at 2 AS hops	0
ASes reachable at 3 AS hops	9548	% ASes reachable at 3 AS hops	12
ASes reachable at 4 AS hops	28942	% ASes reachable at 4 AS hops	37
ASes reachable at 5 AS hops	28861	% ASes reachable at 5 AS hops	37
ASes reachable at 6 AS hops	7421	% ASes reachable at 6 AS hops	9
ASes reachable at 7 AS hops	1545	% ASes reachable at 7 AS hops	2
ASes reachable at 8 AS hops	384	% ASes reachable at 8 AS hops	0
ASes reachable at 9 AS hops	69	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	11	% ASes reachable at 10 AS hops	0
ASes reachable at 11 AS hops	0	% ASes reachable at 11 AS hops	0
ASes reachable at 12 AS hops	0	% ASes reachable at 12 AS hops	0
ASes reachable at 13 AS hops	0	% ASes reachable at 13 AS hops	0
ASes reachable at 14 AS hops	0	% ASes reachable at 14 AS hops	0

Cumulative ASes by AS hops	(data)	Cumulative % ASes by AS hops	(data)
ASes reachable by 0 AS hops	1	Cumulative % ASes by AS hops 0	0.0
ASes reachable by 1 AS hops	3	Cumulative % ASes by AS hops 1	0.0
ASes reachable by 2 AS hops	367	Cumulative % ASes by AS hops 2	0.5
ASes reachable by 3 AS hops	9915	Cumulative % ASes by AS hops 3	12.9
ASes reachable by 4 AS hops	38857	Cumulative % ASes by AS hops 4	50.4
ASes reachable by 5 AS hops	67718	Cumulative % ASes by AS hops 5	87.8
ASes reachable by 6 AS hops	75139	Cumulative % ASes by AS hops 6	97.4
ASes reachable by 7 AS hops	76684	Cumulative % ASes by AS hops 7	99.4
ASes reachable by 8 AS hops	77068	Cumulative % ASes by AS hops 8	99.9
ASes reachable by 9 AS hops	77137	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	77148	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	77148	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	77148	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	77148	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	77148	Cumulative % ASes by AS hops 14	100.0

BGP Update Reports

Compares the current BGP Table with the previous table and reports on the number of changes in the FIB. These changes are further categorised into announcements, withdrawls and path changes, and further categorised by prefix length.

FIB Update Reports	Data	Announce	Data	Withdraw	Data	Path Chg	Data
Table Updates	7280	New Entries	232	Removed Entries	166	Updated Entries	6882
		Report		Report		Report
Address Span	19092225	Address Span	152833	Address Span	107520	Address Span	18831872
Average address span per update	2622	Avg Span	658	Avg Span	647	Avg Span	2736
Average prefix size updated	22.61	Average prefix size	23.37	Average prefix size	23.31	Average prefix size	22.56
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /12 total	1	Prefix /12 announcements	0	Prefix /12 withdrawals	0	Prefix /12 path updates	1
Prefix /13 total	7	Prefix /13 announcements	0	Prefix /13 withdrawals	0	Prefix /13 path updates	7
Prefix /14 total	7	Prefix /14 announcements	0	Prefix /14 withdrawals	0	Prefix /14 path updates	7
Prefix /15 total	11	Prefix /15 announcements	0	Prefix /15 withdrawals	0	Prefix /15 path updates	11
Prefix /16 total	61	Prefix /16 announcements	0	Prefix /16 withdrawals	0	Prefix /16 path updates	61
Prefix /17 total	10	Prefix /17 announcements	0	Prefix /17 withdrawals	0	Prefix /17 path updates	10
Prefix /18 total	20	Prefix /18 announcements	0	Prefix /18 withdrawals	0	Prefix /18 path updates	20
Prefix /19 total	104	Prefix /19 announcements	2	Prefix /19 withdrawals	1	Prefix /19 path updates	101
Prefix /20 total	137	Prefix /20 announcements	9	Prefix /20 withdrawals	6	Prefix /20 path updates	122
Prefix /21 total	197	Prefix /21 announcements	8	Prefix /21 withdrawals	6	Prefix /21 path updates	183
Prefix /22 total	3660	Prefix /22 announcements	29	Prefix /22 withdrawals	23	Prefix /22 path updates	3608
Prefix /23 total	505	Prefix /23 announcements	26	Prefix /23 withdrawals	22	Prefix /23 path updates	457
Prefix /24 total	2291	Prefix /24 announcements	157	Prefix /24 withdrawals	108	Prefix /24 path updates	2026
Prefix /25 total	268	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	268
Prefix /26 total	0	Prefix /26 announcements	0	Prefix /26 withdrawals	0	Prefix /26 path updates	0
Prefix /27 total	0	Prefix /27 announcements	0	Prefix /27 withdrawals	0	Prefix /27 path updates	0
Prefix /28 total	0	Prefix /28 announcements	0	Prefix /28 withdrawals	0	Prefix /28 path updates	0
Prefix /29 total	0	Prefix /29 announcements	0	Prefix /29 withdrawals	0	Prefix /29 path updates	0
Prefix /30 total	0	Prefix /30 announcements	0	Prefix /30 withdrawals	0	Prefix /30 path updates	0
Prefix /31 total	0	Prefix /31 announcements	0	Prefix /31 withdrawals	0	Prefix /31 path updates	0
Prefix /32 total	1	Prefix /32 announcements	1	Prefix /32 withdrawals	0	Prefix /32 path updates	0
Update rate, normalized by prefix count		Announce		Withdraw		Path Chg
Prefix /8 total	0.00	Prefix /8 announcements	0.00	Prefix /8 withdrawals	0.00	Prefix /8 path updates	0.00
Prefix /9 total	0.00	Prefix /9 announcements	0.00	Prefix /9 withdrawals	0.00	Prefix /9 path updates	0.00
Prefix /10 total	0.00	Prefix /10 announcements	0.00	Prefix /10 withdrawals	0.00	Prefix /10 path updates	0.00
Prefix /11 total	0.00	Prefix /11 announcements	0.00	Prefix /11 withdrawals	0.00	Prefix /11 path updates	0.00
Prefix /12 total	0.47	Prefix /12 announcements	0.00	Prefix /12 withdrawals	0.00	Prefix /12 path updates	0.49
Prefix /13 total	1.67	Prefix /13 announcements	0.00	Prefix /13 withdrawals	0.00	Prefix /13 path updates	1.77
Prefix /14 total	0.80	Prefix /14 announcements	0.00	Prefix /14 withdrawals	0.00	Prefix /14 path updates	0.84
Prefix /15 total	0.70	Prefix /15 announcements	0.00	Prefix /15 withdrawals	0.00	Prefix /15 path updates	0.74
Prefix /16 total	0.61	Prefix /16 announcements	0.00	Prefix /16 withdrawals	0.00	Prefix /16 path updates	0.64
Prefix /17 total	0.17	Prefix /17 announcements	0.00	Prefix /17 withdrawals	0.00	Prefix /17 path updates	0.17
Prefix /18 total	0.20	Prefix /18 announcements	0.00	Prefix /18 withdrawals	0.00	Prefix /18 path updates	0.21
Prefix /19 total	0.58	Prefix /19 announcements	0.35	Prefix /19 withdrawals	0.24	Prefix /19 path updates	0.59
Prefix /20 total	0.42	Prefix /20 announcements	0.86	Prefix /20 withdrawals	0.80	Prefix /20 path updates	0.39
Prefix /21 total	0.51	Prefix /21 announcements	0.66	Prefix /21 withdrawals	0.69	Prefix /21 path updates	0.51
Prefix /22 total	4.46	Prefix /22 announcements	1.11	Prefix /22 withdrawals	1.23	Prefix /22 path updates	4.65
Prefix /23 total	0.65	Prefix /23 announcements	1.06	Prefix /23 withdrawals	1.25	Prefix /23 path updates	0.63
Prefix /24 total	0.51	Prefix /24 announcements	1.10	Prefix /24 withdrawals	1.05	Prefix /24 path updates	0.48
Prefix /25 total	46.77	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	49.47
Prefix /26 total	0.00	Prefix /26 announcements	100.00	Prefix /26 withdrawals	100.00	Prefix /26 path updates	100.00
Prefix /27 total	0.00	Prefix /27 announcements	0.00	Prefix /27 withdrawals	0.00	Prefix /27 path updates	0.00
Prefix /28 total	0.00	Prefix /28 announcements	0.00	Prefix /28 withdrawals	0.00	Prefix /28 path updates	0.00
Prefix /29 total	0.00	Prefix /29 announcements	0.00	Prefix /29 withdrawals	0.00	Prefix /29 path updates	0.00
Prefix /30 total	0.00	Prefix /30 announcements	100.00	Prefix /30 withdrawals	100.00	Prefix /30 path updates	100.00
Prefix /31 total	0.00	Prefix /31 announcements	100.00	Prefix /31 withdrawals	100.00	Prefix /31 path updates	100.00
Prefix /32 total	6.62	Prefix /32 announcements	207.82	Prefix /32 withdrawals	0.00	Prefix /32 path updates	0.00

FIB Update Rate Reports Updates per hour (Measurement Period 1 hrs 0 mins)	Data	Announce Rate	Data	Withdraw Rate	Data	Path Chg Rate	Data
Table Updates	7277.979	New Entries	231.936	Removed Entries	165.954	Updated Entries	6880.089
Address Span	19086924.000	Address Span	152790.562	Address Span	107490.141	Address Span	18826642.000
Average address span per update	2621.272	Avg Span	657.817	Avg Span	646.820	Avg Span	2735.240
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /1 update rate	0.000	Prefix /1 announcements	0.000	Prefix /1 withdrawals	0.000	Prefix /1 path updates	0.000
Prefix /2 update rate	0.000	Prefix /2 announcements	0.000	Prefix /2 withdrawals	0.000	Prefix /2 path updates	0.000
Prefix /3 update rate	0.000	Prefix /3 announcements	0.000	Prefix /3 withdrawals	0.000	Prefix /3 path updates	0.000
Prefix /4 update rate	0.000	Prefix /4 announcements	0.000	Prefix /4 withdrawals	0.000	Prefix /4 path updates	0.000
Prefix /5 update rate	0.000	Prefix /5 announcements	0.000	Prefix /5 withdrawals	0.000	Prefix /5 path updates	0.000
Prefix /6 update rate	0.000	Prefix /6 announcements	0.000	Prefix /6 withdrawals	0.000	Prefix /6 path updates	0.000
Prefix /7 update rate	0.000	Prefix /7 announcements	0.000	Prefix /7 withdrawals	0.000	Prefix /7 path updates	0.000
Prefix /8 update rate	0.000	Prefix /8 announcements	0.000	Prefix /8 withdrawals	0.000	Prefix /8 path updates	0.000
Prefix /9 update rate	0.000	Prefix /9 announcements	0.000	Prefix /9 withdrawals	0.000	Prefix /9 path updates	0.000
Prefix /10 update rate	0.000	Prefix /10 announcements	0.000	Prefix /10 withdrawals	0.000	Prefix /10 path updates	0.000
Prefix /11 update rate	0.000	Prefix /11 announcements	0.000	Prefix /11 withdrawals	0.000	Prefix /11 path updates	0.000
Prefix /12 update rate	1.000	Prefix /12 announcements	0.000	Prefix /12 withdrawals	0.000	Prefix /12 path updates	1.000
Prefix /13 update rate	6.998	Prefix /13 announcements	0.000	Prefix /13 withdrawals	0.000	Prefix /13 path updates	6.998
Prefix /14 update rate	6.998	Prefix /14 announcements	0.000	Prefix /14 withdrawals	0.000	Prefix /14 path updates	6.998
Prefix /15 update rate	10.997	Prefix /15 announcements	0.000	Prefix /15 withdrawals	0.000	Prefix /15 path updates	10.997
Prefix /16 update rate	60.983	Prefix /16 announcements	0.000	Prefix /16 withdrawals	0.000	Prefix /16 path updates	60.983
Prefix /17 update rate	9.997	Prefix /17 announcements	0.000	Prefix /17 withdrawals	0.000	Prefix /17 path updates	9.997
Prefix /18 update rate	19.994	Prefix /18 announcements	0.000	Prefix /18 withdrawals	0.000	Prefix /18 path updates	19.994
Prefix /19 update rate	103.971	Prefix /19 announcements	1.999	Prefix /19 withdrawals	1.000	Prefix /19 path updates	100.972
Prefix /20 update rate	136.962	Prefix /20 announcements	8.998	Prefix /20 withdrawals	5.998	Prefix /20 path updates	121.966
Prefix /21 update rate	196.945	Prefix /21 announcements	7.998	Prefix /21 withdrawals	5.998	Prefix /21 path updates	182.949
Prefix /22 update rate	3658.984	Prefix /22 announcements	28.992	Prefix /22 withdrawals	22.994	Prefix /22 path updates	3606.998
Prefix /23 update rate	504.860	Prefix /23 announcements	25.993	Prefix /23 withdrawals	21.994	Prefix /23 path updates	456.873
Prefix /24 update rate	2290.364	Prefix /24 announcements	156.956	Prefix /24 withdrawals	107.970	Prefix /24 path updates	2025.437
Prefix /25 update rate	267.926	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	267.926
Prefix /26 update rate	0.000	Prefix /26 announcements	0.000	Prefix /26 withdrawals	0.000	Prefix /26 path updates	0.000
Prefix /27 update rate	0.000	Prefix /27 announcements	0.000	Prefix /27 withdrawals	0.000	Prefix /27 path updates	0.000
Prefix /28 update rate	0.000	Prefix /28 announcements	0.000	Prefix /28 withdrawals	0.000	Prefix /28 path updates	0.000
Prefix /29 update rate	0.000	Prefix /29 announcements	0.000	Prefix /29 withdrawals	0.000	Prefix /29 path updates	0.000
Prefix /30 update rate	0.000	Prefix /30 announcements	0.000	Prefix /30 withdrawals	0.000	Prefix /30 path updates	0.000
Prefix /31 update rate	0.000	Prefix /31 announcements	0.000	Prefix /31 withdrawals	0.000	Prefix /31 path updates	0.000
Prefix /32 update rate	1.000	Prefix /32 announcements	1.000	Prefix /32 withdrawals	0.000	Prefix /32 path updates	0.000

Path Updates - Breakdown by Update Type

Examines those updates that involved a change of AS Path and breaks this down into five categories:

A change of origin AS (origin)
A change in the origin's nexthop AS (remote change)
A change in the transit AS path (transit)
A change in the firsthop AS (Local change)
A change in AS prepending (Traffic Engineering)

Total	Data	Origin	Data	Origin Next Hop	Data	Transit	Data	First Hop	Data	Prepend	Data
Total Path Changes	1101	Origin Paths	65	NextHop Paths	303	Transit Paths	218	Paths	487	Paths	28
Report
/12 Tot	1	/12 Org	0	/12 Nxt	1	/12 Trn	0	/12 Fst	0	/12 Prp	0
/13 Tot	7	/13 Org	0	/13 Nxt	7	/13 Trn	0	/13 Fst	0	/13 Prp	0
/14 Tot	7	/14 Org	0	/14 Nxt	7	/14 Trn	0	/14 Fst	0	/14 Prp	0
/15 Tot	11	/15 Org	0	/15 Nxt	11	/15 Trn	0	/15 Fst	0	/15 Prp	0
/16 Tot	61	/16 Org	1	/16 Nxt	39	/16 Trn	14	/16 Fst	7	/16 Prp	0
/17 Tot	10	/17 Org	0	/17 Nxt	5	/17 Trn	5	/17 Fst	0	/17 Prp	0
/18 Tot	20	/18 Org	0	/18 Nxt	8	/18 Trn	11	/18 Fst	0	/18 Prp	1
/19 Tot	101	/19 Org	0	/19 Nxt	80	/19 Trn	16	/19 Fst	5	/19 Prp	0
/20 Tot	122	/20 Org	0	/20 Nxt	34	/20 Trn	67	/20 Fst	20	/20 Prp	1
/21 Tot	183	/21 Org	0	/21 Nxt	108	/21 Trn	70	/21 Fst	5	/21 Prp	0
/22 Tot	3608	/22 Org	2	/22 Nxt	3398	/22 Trn	168	/22 Fst	22	/22 Prp	18
/23 Tot	457	/23 Org	0	/23 Nxt	207	/23 Trn	188	/23 Fst	51	/23 Prp	11
/24 Tot	2026	/24 Org	12	/24 Nxt	742	/24 Trn	969	/24 Fst	259	/24 Prp	44
/25 Tot	268	/25 Org	59	/25 Nxt	17	/25 Trn	0	/25 Fst	192	/25 Prp	0
/26 Tot	0	/26 Org	0	/26 Nxt	0	/26 Trn	0	/26 Fst	0	/26 Prp	0
/27 Tot	0	/27 Org	0	/27 Nxt	0	/27 Trn	0	/27 Fst	0	/27 Prp	0
/28 Tot	0	/28 Org	0	/28 Nxt	0	/28 Trn	0	/28 Fst	0	/28 Prp	0
/29 Tot	0	/29 Org	0	/29 Nxt	0	/29 Trn	0	/29 Fst	0	/29 Prp	0
/30 Tot	0	/30 Org	0	/30 Nxt	0	/30 Trn	0	/30 Fst	0	/30 Prp	0
/31 Tot	0	/31 Org	0	/31 Nxt	0	/31 Trn	0	/31 Fst	0	/31 Prp	0
/32 Tot	0	/32 Org	0	/32 Nxt	0	/32 Trn	0	/32 Fst	0	/32 Prp	0

AS Announcement Reports

The time trend of total span of address space advertised by ASes, using truncated prefix length as the span metric.

AS Announcements Reports	Data Sets(txt)	Percentage Reports	Data
Originating Addresses AS Count	(data)	Originating Addresses % AS Count	(data)
AS's announcing span of /4	2	% AS's announcing span of /4	0.0000
AS's announcing span of /5	5	% AS's announcing span of /5	0.0001
AS's announcing span of /6	11	% AS's announcing span of /6	0.0001
AS's announcing span of /7	21	% AS's announcing span of /7	0.0003
AS's announcing span of /8	44	% AS's announcing span of /8	0.0006
AS's announcing span of /9	70	% AS's announcing span of /9	0.0009
AS's announcing span of /10	104	% AS's announcing span of /10	0.0014
AS's announcing span of /11	170	% AS's announcing span of /11	0.0022
AS's announcing span of /12	248	% AS's announcing span of /12	0.0032
AS's announcing span of /13	400	% AS's announcing span of /13	0.0052
AS's announcing span of /14	844	% AS's announcing span of /14	0.0110
AS's announcing span of /15	1641	% AS's announcing span of /15	0.0214
AS's announcing span of /16	1786	% AS's announcing span of /16	0.0233
AS's announcing span of /17	2426	% AS's announcing span of /17	0.0317
AS's announcing span of /18	3763	% AS's announcing span of /18	0.0492
AS's announcing span of /19	5135	% AS's announcing span of /19	0.0671
AS's announcing span of /20	7584	% AS's announcing span of /20	0.0991
AS's announcing span of /21	10446	% AS's announcing span of /21	0.1365
AS's announcing span of /22	12779	% AS's announcing span of /22	0.1670
AS's announcing span of /23	9901	% AS's announcing span of /23	0.1294
AS's announcing span of /24	19120	% AS's announcing span of /24	0.2499
AS's announcing span of /25	16	% AS's announcing span of /25	0.0002
AS's announcing span of /26	0	% AS's announcing span of /26	0.0000
AS's announcing span of /27	0	% AS's announcing span of /27	0.0000
AS's announcing span of /28	0	% AS's announcing span of /28	0.0000
AS's announcing span of /29	0	% AS's announcing span of /29	0.0000
AS's announcing span of /30	0	% AS's announcing span of /30	0.0000
AS's announcing span of /31	0	% AS's announcing span of /31	0.0000
AS's announcing span of /32	0	% AS's announcing span of /32	0.0000

AS Connectivity Reports

This set of reports lists all visible AS's using a number of ordering criteria. The reports order AS's by the total span of addresses originated by an AS, the total span of addresses reachable via an AS, and the totspan of originating plus transit addresses via each AS. Each AS in an AS path has an adjacent AS closer to the sample point, and an adjacent AS further from the sample point. The number of such pairwise adjacencies is reported for each AS. The average AS Connectivity Degree is the average number of adjacent AS's for an AS.

Ђю V Ђю V Ђю V

AS Connectivity Report	Data
AS Adjacency Count	129438
Average AS Connectivity Degree (258876/77148)	3.3556
Average AS Connectivity IN:OUT Degree	0.1575
AS Names
AS's ordered by Originating Address
AS's ordered by Transit Address
AS's ordered by Originating + Transit Address
AS's ordered by AS Adjacency
AS's ordered by Downstream AS Adjacency
AS's ordered by Upstream AS Adjacency
AS Adjacency
Inconsistent Origin AS Prefixes

Aggregation Reports

This set of reports lists all potential aggregation of a number of specific routes into an aggregate route. The aggregation criteria include a match of the original AS path, which may include prepended AS's, a match of the reduced AS Path, and a match on the Origin AS only. As this view is taken from a single sample point, this list is not definitive, and the report will propose potential aggregation actions which may not be feasible for the Origin AS. The report also applies a prefix length filter to all prefixes, accepting only those prefixes which pass the following ruleset:

24.0.0.0/8 accept prefix length <=20
61.0.0.0/8 accept prefix length <= 20
63.0.0.0/8 accept prefix length <= 20
64.0.0.0/8 accept prefix length <= 20
65.0.0.0/8 accept prefix length <= 20
66.0.0.0/8 accept prefix length <= 20
0.0.0.0/1 (0.0.0.0/8 through 126.0.0.0/8) accept prefix length <= 19
128.0.0.0/2 (128.0.0.0/8 through 191.0.0.0/8) accept prefix length <= 16
192.0.0.0/8 through 204.0.0.0/8 accept prefix length <=24
205.0.0.0/8 through 255.0.0.0/8 accept prefix length <=20

Aggregation possibilities are identified within this filtered prefix set.

Route Aggregation Reports	Data
Aggregation Potential Summary	(data)
Aggregation Potential Summary	(data)
Aggregation using prepended AS Path	573358	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	556740	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	383775	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	383791	Report (sort by %reduction)	Report (sort by reduction)	BGP Table

BGP Table

Table Summary Report

BGP Report

BGP data obtained from the boundary of AS65000

Report last updated at Thu May 29 11:01:10 2025 (UTC+1000).

Data prior to 11 April 97 interpreted from data gathered by Erik-Jan Bos, SURFnet.

BGP table analyser written and maintained by Geoff Huston.

Footnote

The name is a reference to a graph of the data. If the data is a single series then this is a simple time-series plot. If the data is a multi-series vector, the first graph is a compound graph of the time series of each element in the vector, the second is a relative plot using a common start point and looking at the relative change in the value of each element of the vector. The third is a relative plot, normalizing the start point to zero and looking at the absolute change in each element of the vector. The last isa distribution graph.
The value is a reference to the text raw data file. The text file uses a column format, with the first column representing the measurement time. The time base is the number of seconds since 1 January 1970 UTC. If you wish to convert this to Microsoft Excel time format, then divide this time