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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Mon Mar 9 23:01:09 2026 (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)	1061105	Change in FIB Size	134	Change (%)	0.013
All BGP entries (RIB)	3148633
RIB/FIB ratio (3148633/1061105)	2.9673
Valid entries	3148633
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)	3115508608
Total address space advertised (prefix length)	0.46317944
Percentage of IPv4 space advertised (3115508608/4294967295)	72.538587
Total address space advertised - corrected to 19 /8s	(data)
Average address span	2936
Average address span (as prefix size)	20.4804
Average prefix length	22.9448

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	551529	Specifics as % of FIB entries (551529/1061105)	51.9769
Specifics as % of address span (1121473028/3115508608)	35.9965
Specifics where AS prepended Path matches aggregate	234451	AS-P_Path-Match % (234451/551529)	42.51
AS Path matches aggregate	254119	AS-Path-Match % (254119/551529)	46.0754
AS Origin matches aggregate	423913	AS-Origin-Match % (423913/551529)	76.8614
Root Prefixes	509576
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	450875
Root Prefixes with depth 1	47376
Root Prefixes with depth 2	9245
Root Prefixes with depth 3	1580
Root Prefixes with depth 4	391
Root Prefixes with depth 5	75
Root Prefixes with depth 6	27
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	78365	ASes visible in only one AS path	46335
Origin only ASes	66895	Origin ASs announced via a single AS path	45789
Transit only ASes	604	Originating AS ATOM count	77761
Mixed ASes	10866	Originating AS ATOM compression	0.0733
Multi-Origin Prefixes	1680
ASes originating a single prefix	27151
Average FIB entries per Origin AS	13.6457	Maximum entries for an origin AS (AS7713)	3680
Average address range span for an origin AS	40065.1819	Maximum address range for an origin AS (AS749)	227731712

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	268526	Unique AS prepended Paths	285667
AS Paths used in FIB	133962	AS Paths using prepending	64281
AS paths associated with a single FIB entry	64255	AS Paths using private ASs	21
Average AS path length	5.1974	Number of Prefixes with Selected AS Prepending Paths	141076
Maximum AS Path length	15	Number of Prefixes with AS Prepending Paths	141076
Average address weighted AS path length	6.5430	Maximum prepended AS Path length	97
Average entries per AS Path	3.9516	Average entries per FIB AS Path	7.9209
AS Paths per origin AS	3.4532	FIB AS Paths per origin AS	1.7227
AS PATH ATOM compression	0.1262

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	40	% Prefix /10	0.00
Prefix count /11	95	% Prefix /11	0.01
Prefix count /12	298	% Prefix /12	0.03
Prefix count /13	587	% Prefix /13	0.06
Prefix count /14	1206	% Prefix /14	0.11
Prefix count /15	2124	% Prefix /15	0.20
Prefix count /16	13765	% Prefix /16	1.30
Prefix count /17	8465	% Prefix /17	0.80
Prefix count /18	13799	% Prefix /18	1.30
Prefix count /19	26009	% Prefix /19	2.45
Prefix count /20	47389	% Prefix /20	4.47
Prefix count /21	53892	% Prefix /21	5.08
Prefix count /22	115785	% Prefix /22	10.91
Prefix count /23	112021	% Prefix /23	10.56
Prefix count /24	664894	% Prefix /24	62.66
Prefix count /25	690	% Prefix /25	0.07
Prefix count /26	1	% Prefix /26	0.00
Prefix count /27	1	% Prefix /27	0.00
Prefix count /28	1	% Prefix /28	0.00
Prefix count /29	1	% Prefix /29	0.00
Prefix count /30	0	% Prefix /30	0.00
Prefix count /31	0	% Prefix /31	0.00
Prefix count /32	12	% 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	40	% Prefix /10	0.01
Prefix count /11	90	% Prefix /11	0.02
Prefix count /12	264	% Prefix /12	0.05
Prefix count /13	491	% Prefix /13	0.10
Prefix count /14	1028	% Prefix /14	0.20
Prefix count /15	1634	% Prefix /15	0.32
Prefix count /16	10905	% Prefix /16	2.14
Prefix count /17	4477	% Prefix /17	0.88
Prefix count /18	7073	% Prefix /18	1.39
Prefix count /19	14911	% Prefix /19	2.93
Prefix count /20	20522	% Prefix /20	4.03
Prefix count /21	22817	% Prefix /21	4.48
Prefix count /22	60454	% Prefix /22	11.86
Prefix count /23	45530	% Prefix /23	8.93
Prefix count /24	319308	% Prefix /24	62.66
Prefix count /25	7	% 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	233405284	% Addresses at AS distance 2	5.5
Addresses at AS distance 3	1294562688	% Addresses at AS distance 3	30.6
Addresses at AS distance 4	1973338656	% Addresses at AS distance 4	46.6
Addresses at AS distance 5	549369728	% Addresses at AS distance 5	13.0
Addresses at AS distance 6	161731328	% Addresses at AS distance 6	3.8
Addresses at AS distance 7	12982528	% Addresses at AS distance 7	0.3
Addresses at AS distance 8	9564672	% Addresses at AS distance 8	0.2
Addresses at AS distance 9	1762304	% Addresses at AS distance 9	0.0
Addresses at AS distance 10	27392	% Addresses at AS distance 10	0.0
Addresses at AS distance 11	17664	% 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	180224	% Addresses at AS distance 13	0.0
Addresses at AS distance 14	34048	% 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	233410404	% Addresses reachable within 2 AS hops	5
Addresses reachable within 3 AS hops	1527973092	% Addresses reachable within 3 AS hops	36
Addresses reachable within 4 AS hops	3501311748	% Addresses reachable within 4 AS hops	82
Addresses reachable within 5 AS hops	4050681476	% Addresses reachable within 5 AS hops	95
Addresses reachable within 6 AS hops	4212412804	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	4225395332	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	4234960004	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	4236722308	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	4236749700	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	4236767364	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	4236767364	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	4236947588	% Addresses reachable within 13 AS hops	99
Addresses reachable within 14 AS hops	4236981636	% 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	378	% ASes reachable at 2 AS hops	0
ASes reachable at 3 AS hops	9226	% ASes reachable at 3 AS hops	11
ASes reachable at 4 AS hops	33001	% ASes reachable at 4 AS hops	42
ASes reachable at 5 AS hops	28048	% ASes reachable at 5 AS hops	35
ASes reachable at 6 AS hops	6093	% ASes reachable at 6 AS hops	7
ASes reachable at 7 AS hops	1235	% ASes reachable at 7 AS hops	1
ASes reachable at 8 AS hops	300	% ASes reachable at 8 AS hops	0
ASes reachable at 9 AS hops	53	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	9	% ASes reachable at 10 AS hops	0
ASes reachable at 11 AS hops	7	% 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

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	381	Cumulative % ASes by AS hops 2	0.5
ASes reachable by 3 AS hops	9607	Cumulative % ASes by AS hops 3	12.3
ASes reachable by 4 AS hops	42608	Cumulative % ASes by AS hops 4	54.4
ASes reachable by 5 AS hops	70656	Cumulative % ASes by AS hops 5	90.2
ASes reachable by 6 AS hops	76749	Cumulative % ASes by AS hops 6	97.9
ASes reachable by 7 AS hops	77984	Cumulative % ASes by AS hops 7	99.5
ASes reachable by 8 AS hops	78284	Cumulative % ASes by AS hops 8	99.9
ASes reachable by 9 AS hops	78337	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	78346	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	78353	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	78357	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	78361	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	78365	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	1940	New Entries	179	Removed Entries	36	Updated Entries	1725
		Report		Report		Report
Address Span	1455872	Address Span	126464	Address Span	21760	Address Span	1307648
Average address span per update	750	Avg Span	706	Avg Span	604	Avg Span	758
Average prefix size updated	23.45	Average prefix size	23.76	Average prefix size	23.28	Average prefix size	23.42
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /16 total	2	Prefix /16 announcements	1	Prefix /16 withdrawals	0	Prefix /16 path updates	1
Prefix /17 total	2	Prefix /17 announcements	0	Prefix /17 withdrawals	0	Prefix /17 path updates	2
Prefix /18 total	2	Prefix /18 announcements	0	Prefix /18 withdrawals	0	Prefix /18 path updates	2
Prefix /19 total	20	Prefix /19 announcements	0	Prefix /19 withdrawals	0	Prefix /19 path updates	20
Prefix /20 total	41	Prefix /20 announcements	1	Prefix /20 withdrawals	1	Prefix /20 path updates	39
Prefix /21 total	141	Prefix /21 announcements	2	Prefix /21 withdrawals	1	Prefix /21 path updates	138
Prefix /22 total	182	Prefix /22 announcements	6	Prefix /22 withdrawals	8	Prefix /22 path updates	168
Prefix /23 total	203	Prefix /23 announcements	13	Prefix /23 withdrawals	3	Prefix /23 path updates	187
Prefix /24 total	1119	Prefix /24 announcements	156	Prefix /24 withdrawals	23	Prefix /24 path updates	940
Prefix /25 total	228	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	228
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	0	Prefix /32 announcements	0	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	0.08	Prefix /16 announcements	0.43	Prefix /16 withdrawals	0.00	Prefix /16 path updates	0.04
Prefix /17 total	0.13	Prefix /17 announcements	0.00	Prefix /17 withdrawals	0.00	Prefix /17 path updates	0.15
Prefix /18 total	0.08	Prefix /18 announcements	0.00	Prefix /18 withdrawals	0.00	Prefix /18 path updates	0.09
Prefix /19 total	0.42	Prefix /19 announcements	0.00	Prefix /19 withdrawals	0.00	Prefix /19 path updates	0.47
Prefix /20 total	0.47	Prefix /20 announcements	0.13	Prefix /20 withdrawals	0.62	Prefix /20 path updates	0.51
Prefix /21 total	1.43	Prefix /21 announcements	0.22	Prefix /21 withdrawals	0.55	Prefix /21 path updates	1.58
Prefix /22 total	0.86	Prefix /22 announcements	0.31	Prefix /22 withdrawals	2.04	Prefix /22 path updates	0.89
Prefix /23 total	0.99	Prefix /23 announcements	0.69	Prefix /23 withdrawals	0.79	Prefix /23 path updates	1.03
Prefix /24 total	0.92	Prefix /24 announcements	1.39	Prefix /24 withdrawals	1.02	Prefix /24 path updates	0.87
Prefix /25 total	180.74	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	203.26
Prefix /26 total	0.00	Prefix /26 announcements	0.00	Prefix /26 withdrawals	0.00	Prefix /26 path updates	0.00
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	0.00	Prefix /32 announcements	0.00	Prefix /32 withdrawals	0.00	Prefix /32 path updates	0.00

FIB Update Rate Reports Updates per hour (Measurement Period 0 hrs 59 mins)	Data	Announce Rate	Data	Withdraw Rate	Data	Path Chg Rate	Data
Table Updates	1940.539	New Entries	179.050	Removed Entries	36.010	Updated Entries	1725.479
Address Span	1456276.500	Address Span	126499.141	Address Span	21766.047	Address Span	1308011.375
Average address span per update	750.208	Avg Span	706.196	Avg Span	604.168	Avg Span	758.211
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	2.001	Prefix /16 announcements	1.000	Prefix /16 withdrawals	0.000	Prefix /16 path updates	1.000
Prefix /17 update rate	2.001	Prefix /17 announcements	0.000	Prefix /17 withdrawals	0.000	Prefix /17 path updates	2.001
Prefix /18 update rate	2.001	Prefix /18 announcements	0.000	Prefix /18 withdrawals	0.000	Prefix /18 path updates	2.001
Prefix /19 update rate	20.006	Prefix /19 announcements	0.000	Prefix /19 withdrawals	0.000	Prefix /19 path updates	20.006
Prefix /20 update rate	41.011	Prefix /20 announcements	1.000	Prefix /20 withdrawals	1.000	Prefix /20 path updates	39.011
Prefix /21 update rate	141.039	Prefix /21 announcements	2.001	Prefix /21 withdrawals	1.000	Prefix /21 path updates	138.038
Prefix /22 update rate	182.051	Prefix /22 announcements	6.002	Prefix /22 withdrawals	8.002	Prefix /22 path updates	168.047
Prefix /23 update rate	203.056	Prefix /23 announcements	13.004	Prefix /23 withdrawals	3.001	Prefix /23 path updates	187.052
Prefix /24 update rate	1119.311	Prefix /24 announcements	156.043	Prefix /24 withdrawals	23.006	Prefix /24 path updates	940.261
Prefix /25 update rate	228.063	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	228.063
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	0.000	Prefix /32 announcements	0.000	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	726	Origin Paths	59	NextHop Paths	204	Transit Paths	219	Paths	233	Paths	11
Report
/16 Tot	1	/16 Org	0	/16 Nxt	0	/16 Trn	1	/16 Fst	0	/16 Prp	0
/17 Tot	2	/17 Org	0	/17 Nxt	2	/17 Trn	0	/17 Fst	0	/17 Prp	0
/18 Tot	2	/18 Org	0	/18 Nxt	0	/18 Trn	1	/18 Fst	1	/18 Prp	0
/19 Tot	20	/19 Org	1	/19 Nxt	3	/19 Trn	7	/19 Fst	9	/19 Prp	0
/20 Tot	39	/20 Org	0	/20 Nxt	12	/20 Trn	11	/20 Fst	16	/20 Prp	0
/21 Tot	138	/21 Org	0	/21 Nxt	17	/21 Trn	58	/21 Fst	59	/21 Prp	4
/22 Tot	168	/22 Org	0	/22 Nxt	46	/22 Trn	52	/22 Fst	62	/22 Prp	8
/23 Tot	187	/23 Org	0	/23 Nxt	72	/23 Trn	68	/23 Fst	46	/23 Prp	1
/24 Tot	940	/24 Org	4	/24 Nxt	264	/24 Trn	372	/24 Fst	297	/24 Prp	3
/25 Tot	228	/25 Org	56	/25 Nxt	17	/25 Trn	0	/25 Fst	155	/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	42	% AS's announcing span of /8	0.0005
AS's announcing span of /9	74	% AS's announcing span of /9	0.0010
AS's announcing span of /10	103	% AS's announcing span of /10	0.0013
AS's announcing span of /11	173	% AS's announcing span of /11	0.0022
AS's announcing span of /12	242	% AS's announcing span of /12	0.0031
AS's announcing span of /13	402	% AS's announcing span of /13	0.0052
AS's announcing span of /14	851	% AS's announcing span of /14	0.0110
AS's announcing span of /15	1626	% AS's announcing span of /15	0.0209
AS's announcing span of /16	1759	% AS's announcing span of /16	0.0226
AS's announcing span of /17	2454	% AS's announcing span of /17	0.0316
AS's announcing span of /18	3779	% AS's announcing span of /18	0.0486
AS's announcing span of /19	5174	% AS's announcing span of /19	0.0666
AS's announcing span of /20	7645	% AS's announcing span of /20	0.0984
AS's announcing span of /21	10502	% AS's announcing span of /21	0.1352
AS's announcing span of /22	12879	% AS's announcing span of /22	0.1657
AS's announcing span of /23	10272	% AS's announcing span of /23	0.1322
AS's announcing span of /24	19673	% AS's announcing span of /24	0.2532
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.

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AS Connectivity Report	Data
AS Adjacency Count	130301
Average AS Connectivity Degree (260602/78365)	3.3255
Average AS Connectivity IN:OUT Degree	0.1584
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	597331	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	582821	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	401225	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	401250	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 Mon Mar 9 23:01:09 2026 (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