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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Tue Jun 17 05:01:09 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)	1011822	Change in FIB Size	62	Change (%)	0.006
All BGP entries (RIB)	2994981
RIB/FIB ratio (2994981/1011822)	2.9600
Valid entries	2994981
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)	3107298688
Total address space advertised (prefix length)	0.46698622
Percentage of IPv4 space advertised (3107298688/4294967295)	72.347435
Total address space advertised - corrected to 19 /8s	(data)
Average address span	3071
Average address span (as prefix size)	20.4160
Average prefix length	22.9128

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	529391	Specifics as % of FIB entries (529391/1011822)	52.3206
Specifics as % of address span (1110794234/3107298688)	35.7479
Specifics where AS prepended Path matches aggregate	225053	AS-P_Path-Match % (225053/529391)	42.51
AS Path matches aggregate	244960	AS-Path-Match % (244960/529391)	46.2720
AS Origin matches aggregate	407637	AS-Origin-Match % (407637/529391)	77.0011
Root Prefixes	482431
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	424854
Root Prefixes with depth 1	46428
Root Prefixes with depth 2	9032
Root Prefixes with depth 3	1608
Root Prefixes with depth 4	394
Root Prefixes with depth 5	82
Root Prefixes with depth 6	26
Root Prefixes with depth 7	6
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	77166	ASes visible in only one AS path	45769
Origin only ASes	65724	Origin ASs announced via a single AS path	45215
Transit only ASes	585	Originating AS ATOM count	76581
Mixed ASes	10857	Originating AS ATOM compression	0.0757
Multi-Origin Prefixes	1907
ASes originating a single prefix	26764
Average FIB entries per Origin AS	13.2124	Maximum entries for an origin AS (AS7713)	3714
Average address range span for an origin AS	40575.3214	Maximum address range for an origin AS (AS749)	228022272

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	251767	Unique AS prepended Paths	271297
AS Paths used in FIB	130134	AS Paths using prepending	70496
AS paths associated with a single FIB entry	62334	AS Paths using private ASs	32
Average AS path length	5.2588	Number of Prefixes with Selected AS Prepending Paths	152070
Maximum AS Path length	16	Number of Prefixes with AS Prepending Paths	152070
Average address weighted AS path length	6.6216	Maximum prepended AS Path length	91
Average entries per AS Path	4.0189	Average entries per FIB AS Path	7.7752
AS Paths per origin AS	3.2876	FIB AS Paths per origin AS	1.6993
AS PATH ATOM compression	0.1286

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	14	% Prefix /9	0.00
Prefix count /10	41	% Prefix /10	0.00
Prefix count /11	92	% Prefix /11	0.01
Prefix count /12	300	% Prefix /12	0.03
Prefix count /13	584	% Prefix /13	0.06
Prefix count /14	1211	% Prefix /14	0.12
Prefix count /15	2162	% Prefix /15	0.21
Prefix count /16	13893	% Prefix /16	1.37
Prefix count /17	8381	% Prefix /17	0.83
Prefix count /18	13809	% Prefix /18	1.36
Prefix count /19	25055	% Prefix /19	2.48
Prefix count /20	45880	% Prefix /20	4.53
Prefix count /21	53273	% Prefix /21	5.27
Prefix count /22	114291	% Prefix /22	11.30
Prefix count /23	107649	% Prefix /23	10.64
Prefix count /24	624313	% Prefix /24	61.70
Prefix count /25	796	% 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	58	% Prefix /32	0.01

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	265	% Prefix /12	0.05
Prefix count /13	489	% Prefix /13	0.10
Prefix count /14	1031	% Prefix /14	0.21
Prefix count /15	1657	% Prefix /15	0.34
Prefix count /16	11041	% Prefix /16	2.29
Prefix count /17	4443	% Prefix /17	0.92
Prefix count /18	6963	% Prefix /18	1.44
Prefix count /19	14780	% Prefix /19	3.06
Prefix count /20	20123	% Prefix /20	4.17
Prefix count /21	22373	% Prefix /21	4.64
Prefix count /22	59435	% Prefix /22	12.32
Prefix count /23	43135	% Prefix /23	8.94
Prefix count /24	296534	% Prefix /24	61.47
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	241085605	% Addresses at AS distance 2	5.7
Addresses at AS distance 3	1131924509	% Addresses at AS distance 3	26.8
Addresses at AS distance 4	1997885240	% Addresses at AS distance 4	47.4
Addresses at AS distance 5	640849792	% Addresses at AS distance 5	15.2
Addresses at AS distance 6	171724032	% Addresses at AS distance 6	4.1
Addresses at AS distance 7	25071104	% Addresses at AS distance 7	0.6
Addresses at AS distance 8	8272128	% Addresses at AS distance 8	0.2
Addresses at AS distance 9	1169664	% Addresses at AS distance 9	0.0
Addresses at AS distance 10	102656	% Addresses at AS distance 10	0.0
Addresses at AS distance 11	1792	% Addresses at AS distance 11	0.0
Addresses at AS distance 12	0	% 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	0	% Addresses at AS distance 14	0.0
Addresses at AS distance 15	1280	% Addresses at AS distance 15	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	241090725	% Addresses reachable within 2 AS hops	5
Addresses reachable within 3 AS hops	1373015234	% Addresses reachable within 3 AS hops	32
Addresses reachable within 4 AS hops	3370900474	% Addresses reachable within 4 AS hops	79
Addresses reachable within 5 AS hops	4011750266	% Addresses reachable within 5 AS hops	95
Addresses reachable within 6 AS hops	4183474298	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	4208545402	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	4216817530	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	4217987194	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	4218089850	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	4218091642	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	4218091642	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	4218091642	% Addresses reachable within 13 AS hops	99
Addresses reachable within 14 AS hops	4218091642	% Addresses reachable within 14 AS hops	99
Addresses reachable within 15 AS hops	4218092922	% Addresses reachable within 15 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	363	% ASes reachable at 2 AS hops	0
ASes reachable at 3 AS hops	9572	% ASes reachable at 3 AS hops	12
ASes reachable at 4 AS hops	28857	% ASes reachable at 4 AS hops	37
ASes reachable at 5 AS hops	28921	% ASes reachable at 5 AS hops	37
ASes reachable at 6 AS hops	7450	% ASes reachable at 6 AS hops	9
ASes reachable at 7 AS hops	1566	% ASes reachable at 7 AS hops	2
ASes reachable at 8 AS hops	332	% ASes reachable at 8 AS hops	0
ASes reachable at 9 AS hops	71	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	14	% ASes reachable at 10 AS hops	0
ASes reachable at 11 AS hops	1	% ASes reachable at 11 AS hops	0
ASes reachable at 12 AS hops	4	% ASes reachable at 12 AS hops	0
ASes reachable at 13 AS hops	4	% ASes reachable at 13 AS hops	0
ASes reachable at 14 AS hops	4	% ASes reachable at 14 AS hops	0
ASes reachable at 15 AS hops	4	% ASes reachable at 15 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	366	Cumulative % ASes by AS hops 2	0.5
ASes reachable by 3 AS hops	9938	Cumulative % ASes by AS hops 3	12.9
ASes reachable by 4 AS hops	38795	Cumulative % ASes by AS hops 4	50.3
ASes reachable by 5 AS hops	67716	Cumulative % ASes by AS hops 5	87.8
ASes reachable by 6 AS hops	75166	Cumulative % ASes by AS hops 6	97.4
ASes reachable by 7 AS hops	76732	Cumulative % ASes by AS hops 7	99.4
ASes reachable by 8 AS hops	77064	Cumulative % ASes by AS hops 8	99.9
ASes reachable by 9 AS hops	77135	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	77149	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	77150	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	77154	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	77158	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	77162	Cumulative % ASes by AS hops 14	100.0
ASes reachable by 15 AS hops	77166	Cumulative % ASes by AS hops 15	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	2258	New Entries	317	Removed Entries	251	Updated Entries	1690
		Report		Report		Report
Address Span	1363841	Address Span	196609	Address Span	261632	Address Span	905600
Average address span per update	604	Avg Span	620	Avg Span	1042	Avg Span	535
Average prefix size updated	23.67	Average prefix size	23.58	Average prefix size	23.20	Average prefix size	23.76
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /16 total	2	Prefix /16 announcements	0	Prefix /16 withdrawals	1	Prefix /16 path updates	1
Prefix /17 total	5	Prefix /17 announcements	1	Prefix /17 withdrawals	0	Prefix /17 path updates	4
Prefix /18 total	2	Prefix /18 announcements	1	Prefix /18 withdrawals	0	Prefix /18 path updates	1
Prefix /19 total	7	Prefix /19 announcements	2	Prefix /19 withdrawals	2	Prefix /19 path updates	3
Prefix /20 total	40	Prefix /20 announcements	2	Prefix /20 withdrawals	18	Prefix /20 path updates	20
Prefix /21 total	43	Prefix /21 announcements	8	Prefix /21 withdrawals	13	Prefix /21 path updates	22
Prefix /22 total	189	Prefix /22 announcements	29	Prefix /22 withdrawals	21	Prefix /22 path updates	139
Prefix /23 total	249	Prefix /23 announcements	27	Prefix /23 withdrawals	30	Prefix /23 path updates	192
Prefix /24 total	1451	Prefix /24 announcements	246	Prefix /24 withdrawals	166	Prefix /24 path updates	1039
Prefix /25 total	269	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	269
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	0.00	Prefix /12 announcements	0.00	Prefix /12 withdrawals	0.00	Prefix /12 path updates	0.00
Prefix /13 total	0.00	Prefix /13 announcements	0.00	Prefix /13 withdrawals	0.00	Prefix /13 path updates	0.00
Prefix /14 total	0.00	Prefix /14 announcements	0.00	Prefix /14 withdrawals	0.00	Prefix /14 path updates	0.00
Prefix /15 total	0.00	Prefix /15 announcements	0.00	Prefix /15 withdrawals	0.00	Prefix /15 path updates	0.00
Prefix /16 total	0.06	Prefix /16 announcements	0.00	Prefix /16 withdrawals	0.29	Prefix /16 path updates	0.04
Prefix /17 total	0.27	Prefix /17 announcements	0.38	Prefix /17 withdrawals	0.00	Prefix /17 path updates	0.29
Prefix /18 total	0.06	Prefix /18 announcements	0.23	Prefix /18 withdrawals	0.00	Prefix /18 path updates	0.04
Prefix /19 total	0.13	Prefix /19 announcements	0.25	Prefix /19 withdrawals	0.32	Prefix /19 path updates	0.07
Prefix /20 total	0.39	Prefix /20 announcements	0.14	Prefix /20 withdrawals	1.58	Prefix /20 path updates	0.26
Prefix /21 total	0.36	Prefix /21 announcements	0.48	Prefix /21 withdrawals	0.98	Prefix /21 path updates	0.25
Prefix /22 total	0.74	Prefix /22 announcements	0.81	Prefix /22 withdrawals	0.74	Prefix /22 path updates	0.73
Prefix /23 total	1.04	Prefix /23 announcements	0.80	Prefix /23 withdrawals	1.12	Prefix /23 path updates	1.07
Prefix /24 total	1.04	Prefix /24 announcements	1.26	Prefix /24 withdrawals	1.07	Prefix /24 path updates	1.00
Prefix /25 total	151.43	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	202.33
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	7.73	Prefix /32 announcements	55.03	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	2258.000	New Entries	317.000	Removed Entries	251.000	Updated Entries	1690.000
Address Span	1363841.000	Address Span	196609.000	Address Span	261632.000	Address Span	905600.000
Average address span per update	604.000	Avg Span	620.000	Avg Span	1042.000	Avg Span	535.000
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	0.000	Prefix /12 announcements	0.000	Prefix /12 withdrawals	0.000	Prefix /12 path updates	0.000
Prefix /13 update rate	0.000	Prefix /13 announcements	0.000	Prefix /13 withdrawals	0.000	Prefix /13 path updates	0.000
Prefix /14 update rate	0.000	Prefix /14 announcements	0.000	Prefix /14 withdrawals	0.000	Prefix /14 path updates	0.000
Prefix /15 update rate	0.000	Prefix /15 announcements	0.000	Prefix /15 withdrawals	0.000	Prefix /15 path updates	0.000
Prefix /16 update rate	2.000	Prefix /16 announcements	0.000	Prefix /16 withdrawals	1.000	Prefix /16 path updates	1.000
Prefix /17 update rate	5.000	Prefix /17 announcements	1.000	Prefix /17 withdrawals	0.000	Prefix /17 path updates	4.000
Prefix /18 update rate	2.000	Prefix /18 announcements	1.000	Prefix /18 withdrawals	0.000	Prefix /18 path updates	1.000
Prefix /19 update rate	7.000	Prefix /19 announcements	2.000	Prefix /19 withdrawals	2.000	Prefix /19 path updates	3.000
Prefix /20 update rate	40.000	Prefix /20 announcements	2.000	Prefix /20 withdrawals	18.000	Prefix /20 path updates	20.000
Prefix /21 update rate	43.000	Prefix /21 announcements	8.000	Prefix /21 withdrawals	13.000	Prefix /21 path updates	22.000
Prefix /22 update rate	189.000	Prefix /22 announcements	29.000	Prefix /22 withdrawals	21.000	Prefix /22 path updates	139.000
Prefix /23 update rate	249.000	Prefix /23 announcements	27.000	Prefix /23 withdrawals	30.000	Prefix /23 path updates	192.000
Prefix /24 update rate	1451.000	Prefix /24 announcements	246.000	Prefix /24 withdrawals	166.000	Prefix /24 path updates	1039.000
Prefix /25 update rate	269.000	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	269.000
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	657	Origin Paths	62	NextHop Paths	173	Transit Paths	252	Paths	152	Paths	18
Report
/16 Tot	1	/16 Org	0	/16 Nxt	1	/16 Trn	0	/16 Fst	0	/16 Prp	0
/17 Tot	4	/17 Org	0	/17 Nxt	4	/17 Trn	0	/17 Fst	0	/17 Prp	0
/18 Tot	1	/18 Org	0	/18 Nxt	1	/18 Trn	0	/18 Fst	0	/18 Prp	0
/19 Tot	3	/19 Org	0	/19 Nxt	2	/19 Trn	0	/19 Fst	1	/19 Prp	0
/20 Tot	20	/20 Org	0	/20 Nxt	14	/20 Trn	4	/20 Fst	2	/20 Prp	0
/21 Tot	22	/21 Org	0	/21 Nxt	12	/21 Trn	6	/21 Fst	4	/21 Prp	0
/22 Tot	139	/22 Org	0	/22 Nxt	49	/22 Trn	42	/22 Fst	45	/22 Prp	3
/23 Tot	192	/23 Org	0	/23 Nxt	47	/23 Trn	41	/23 Fst	94	/23 Prp	10
/24 Tot	1039	/24 Org	11	/24 Nxt	360	/24 Trn	321	/24 Fst	283	/24 Prp	64
/25 Tot	269	/25 Org	59	/25 Nxt	17	/25 Trn	0	/25 Fst	193	/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	20	% 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	71	% AS's announcing span of /9	0.0009
AS's announcing span of /10	105	% 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	394	% AS's announcing span of /13	0.0051
AS's announcing span of /14	851	% AS's announcing span of /14	0.0111
AS's announcing span of /15	1652	% AS's announcing span of /15	0.0216
AS's announcing span of /16	1773	% AS's announcing span of /16	0.0232
AS's announcing span of /17	2425	% AS's announcing span of /17	0.0317
AS's announcing span of /18	3760	% AS's announcing span of /18	0.0491
AS's announcing span of /19	5121	% AS's announcing span of /19	0.0669
AS's announcing span of /20	7581	% AS's announcing span of /20	0.0991
AS's announcing span of /21	10468	% AS's announcing span of /21	0.1368
AS's announcing span of /22	12750	% AS's announcing span of /22	0.1666
AS's announcing span of /23	9939	% AS's announcing span of /23	0.1299
AS's announcing span of /24	19109	% AS's announcing span of /24	0.2497
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.

`1@= `1@= `1@=

AS Connectivity Report	Data
AS Adjacency Count	129234
Average AS Connectivity Degree (258468/77166)	3.3495
Average AS Connectivity IN:OUT Degree	0.1576
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	575913	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	559975	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	384462	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	384485	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 Tue Jun 17 05:01:09 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