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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Fri Feb 6 12:01:09 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)	1056479	Change in FIB Size	-4	Change (%)	-0.000
All BGP entries (RIB)	3131161
RIB/FIB ratio (3131161/1056479)	2.9638
Valid entries	3131161
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)	3104872832
Total address space advertised (prefix length)	0.46811297
Percentage of IPv4 space advertised (3104872832/4294967295)	72.290954
Total address space advertised - corrected to 19 /8s	(data)
Average address span	2939
Average address span (as prefix size)	20.4794
Average prefix length	22.9461

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	548450	Specifics as % of FIB entries (548450/1056479)	51.9130
Specifics as % of address span (1114082303/3104872832)	35.8817
Specifics where AS prepended Path matches aggregate	237271	AS-P_Path-Match % (237271/548450)	43.26
AS Path matches aggregate	256351	AS-Path-Match % (256351/548450)	46.7410
AS Origin matches aggregate	420967	AS-Origin-Match % (420967/548450)	76.7558
Root Prefixes	508029
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	449571
Root Prefixes with depth 1	47209
Root Prefixes with depth 2	9172
Root Prefixes with depth 3	1592
Root Prefixes with depth 4	375
Root Prefixes with depth 5	76
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	78111	ASes visible in only one AS path	46647
Origin only ASes	66689	Origin ASs announced via a single AS path	46094
Transit only ASes	587	Originating AS ATOM count	77524
Mixed ASes	10835	Originating AS ATOM compression	0.0734
Multi-Origin Prefixes	2201
ASes originating a single prefix	27038
Average FIB entries per Origin AS	13.6278	Maximum entries for an origin AS (AS7713)	3698
Average address range span for an origin AS	40050.4725	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	267005	Unique AS prepended Paths	284062
AS Paths used in FIB	131896	AS Paths using prepending	64029
AS paths associated with a single FIB entry	62887	AS Paths using private ASs	22
Average AS path length	5.2208	Number of Prefixes with Selected AS Prepending Paths	138349
Maximum AS Path length	15	Number of Prefixes with AS Prepending Paths	138349
Average address weighted AS path length	6.5634	Maximum prepended AS Path length	210
Average entries per AS Path	3.9568	Average entries per FIB AS Path	8.0099
AS Paths per origin AS	3.4442	FIB AS Paths per origin AS	1.7014
AS PATH ATOM compression	0.1248

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	92	% Prefix /11	0.01
Prefix count /12	302	% Prefix /12	0.03
Prefix count /13	582	% Prefix /13	0.06
Prefix count /14	1202	% Prefix /14	0.11
Prefix count /15	2101	% Prefix /15	0.20
Prefix count /16	13758	% Prefix /16	1.30
Prefix count /17	8428	% Prefix /17	0.80
Prefix count /18	13772	% Prefix /18	1.30
Prefix count /19	25442	% Prefix /19	2.41
Prefix count /20	47190	% Prefix /20	4.47
Prefix count /21	53746	% Prefix /21	5.09
Prefix count /22	115512	% Prefix /22	10.93
Prefix count /23	111085	% Prefix /23	10.51
Prefix count /24	662500	% Prefix /24	62.71
Prefix count /25	686	% Prefix /25	0.06
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	7	% 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	87	% Prefix /11	0.02
Prefix count /12	264	% Prefix /12	0.05
Prefix count /13	486	% Prefix /13	0.10
Prefix count /14	1026	% Prefix /14	0.20
Prefix count /15	1628	% Prefix /15	0.32
Prefix count /16	10916	% Prefix /16	2.15
Prefix count /17	4470	% Prefix /17	0.88
Prefix count /18	7058	% Prefix /18	1.39
Prefix count /19	14899	% Prefix /19	2.93
Prefix count /20	20527	% Prefix /20	4.04
Prefix count /21	22823	% Prefix /21	4.49
Prefix count /22	60308	% Prefix /22	11.87
Prefix count /23	45174	% Prefix /23	8.89
Prefix count /24	318289	% Prefix /24	62.65
Prefix count /25	9	% 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	208079199	% Addresses at AS distance 2	4.9
Addresses at AS distance 3	1270857344	% Addresses at AS distance 3	30.1
Addresses at AS distance 4	1988920352	% Addresses at AS distance 4	47.1
Addresses at AS distance 5	566985472	% Addresses at AS distance 5	13.4
Addresses at AS distance 6	161002880	% Addresses at AS distance 6	3.8
Addresses at AS distance 7	13062400	% Addresses at AS distance 7	0.3
Addresses at AS distance 8	8552960	% Addresses at AS distance 8	0.2
Addresses at AS distance 9	1220608	% Addresses at AS distance 9	0.0
Addresses at AS distance 10	20480	% Addresses at AS distance 10	0.0
Addresses at AS distance 11	66560	% 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	180224	% Addresses at AS distance 13	0.0
Addresses at AS distance 14	1280	% 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	208084319	% Addresses reachable within 2 AS hops	4
Addresses reachable within 3 AS hops	1478941663	% Addresses reachable within 3 AS hops	35
Addresses reachable within 4 AS hops	3467862015	% Addresses reachable within 4 AS hops	82
Addresses reachable within 5 AS hops	4034847487	% Addresses reachable within 5 AS hops	95
Addresses reachable within 6 AS hops	4195850367	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	4208912767	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	4217465727	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	4218686335	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	4218706815	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	4218773375	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	4218773631	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	4218953855	% Addresses reachable within 13 AS hops	99
Addresses reachable within 14 AS hops	4218955135	% 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	219	% ASes reachable at 2 AS hops	0
ASes reachable at 3 AS hops	8216	% ASes reachable at 3 AS hops	10
ASes reachable at 4 AS hops	33775	% ASes reachable at 4 AS hops	43
ASes reachable at 5 AS hops	28228	% ASes reachable at 5 AS hops	36
ASes reachable at 6 AS hops	6090	% ASes reachable at 6 AS hops	7
ASes reachable at 7 AS hops	1207	% ASes reachable at 7 AS hops	1
ASes reachable at 8 AS hops	298	% ASes reachable at 8 AS hops	0
ASes reachable at 9 AS hops	48	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	6	% ASes reachable at 10 AS hops	0
ASes reachable at 11 AS hops	8	% ASes reachable at 11 AS hops	0
ASes reachable at 12 AS hops	5	% 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	222	Cumulative % ASes by AS hops 2	0.3
ASes reachable by 3 AS hops	8438	Cumulative % ASes by AS hops 3	10.8
ASes reachable by 4 AS hops	42213	Cumulative % ASes by AS hops 4	54.0
ASes reachable by 5 AS hops	70441	Cumulative % ASes by AS hops 5	90.2
ASes reachable by 6 AS hops	76531	Cumulative % ASes by AS hops 6	98.0
ASes reachable by 7 AS hops	77738	Cumulative % ASes by AS hops 7	99.5
ASes reachable by 8 AS hops	78036	Cumulative % ASes by AS hops 8	99.9
ASes reachable by 9 AS hops	78084	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	78090	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	78098	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	78103	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	78107	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	78111	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	2265	New Entries	201	Removed Entries	206	Updated Entries	1858
		Report		Report		Report
Address Span	1520768	Address Span	127232	Address Span	151808	Address Span	1241728
Average address span per update	671	Avg Span	632	Avg Span	736	Avg Span	668
Average prefix size updated	23.59	Average prefix size	23.56	Average prefix size	23.41	Average prefix size	23.61
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /16 total	3	Prefix /16 announcements	0	Prefix /16 withdrawals	0	Prefix /16 path updates	3
Prefix /17 total	2	Prefix /17 announcements	0	Prefix /17 withdrawals	0	Prefix /17 path updates	2
Prefix /18 total	5	Prefix /18 announcements	2	Prefix /18 withdrawals	0	Prefix /18 path updates	3
Prefix /19 total	11	Prefix /19 announcements	1	Prefix /19 withdrawals	4	Prefix /19 path updates	6
Prefix /20 total	41	Prefix /20 announcements	2	Prefix /20 withdrawals	11	Prefix /20 path updates	28
Prefix /21 total	114	Prefix /21 announcements	9	Prefix /21 withdrawals	8	Prefix /21 path updates	97
Prefix /22 total	174	Prefix /22 announcements	9	Prefix /22 withdrawals	9	Prefix /22 path updates	156
Prefix /23 total	180	Prefix /23 announcements	19	Prefix /23 withdrawals	15	Prefix /23 path updates	146
Prefix /24 total	1506	Prefix /24 announcements	159	Prefix /24 withdrawals	159	Prefix /24 path updates	1188
Prefix /25 total	229	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	229
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	0.10	Prefix /16 announcements	0.00	Prefix /16 withdrawals	0.00	Prefix /16 path updates	0.12
Prefix /17 total	0.11	Prefix /17 announcements	0.00	Prefix /17 withdrawals	0.00	Prefix /17 path updates	0.13
Prefix /18 total	0.17	Prefix /18 announcements	0.76	Prefix /18 withdrawals	0.00	Prefix /18 path updates	0.12
Prefix /19 total	0.20	Prefix /19 announcements	0.21	Prefix /19 withdrawals	0.81	Prefix /19 path updates	0.13
Prefix /20 total	0.41	Prefix /20 announcements	0.22	Prefix /20 withdrawals	1.20	Prefix /20 path updates	0.34
Prefix /21 total	0.99	Prefix /21 announcements	0.88	Prefix /21 withdrawals	0.76	Prefix /21 path updates	1.03
Prefix /22 total	0.70	Prefix /22 announcements	0.41	Prefix /22 withdrawals	0.40	Prefix /22 path updates	0.77
Prefix /23 total	0.76	Prefix /23 announcements	0.90	Prefix /23 withdrawals	0.69	Prefix /23 path updates	0.75
Prefix /24 total	1.06	Prefix /24 announcements	1.26	Prefix /24 withdrawals	1.23	Prefix /24 path updates	1.02
Prefix /25 total	155.71	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	189.81
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	2265.629	New Entries	201.056	Removed Entries	206.057	Updated Entries	1858.516
Address Span	1521190.500	Address Span	127267.352	Address Span	151850.188	Address Span	1242073.000
Average address span per update	671.186	Avg Span	632.176	Avg Span	736.205	Avg Span	668.186
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	3.001	Prefix /16 announcements	0.000	Prefix /16 withdrawals	0.000	Prefix /16 path updates	3.001
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	5.001	Prefix /18 announcements	2.001	Prefix /18 withdrawals	0.000	Prefix /18 path updates	3.001
Prefix /19 update rate	11.003	Prefix /19 announcements	1.000	Prefix /19 withdrawals	4.001	Prefix /19 path updates	6.002
Prefix /20 update rate	41.011	Prefix /20 announcements	2.001	Prefix /20 withdrawals	11.003	Prefix /20 path updates	28.008
Prefix /21 update rate	114.032	Prefix /21 announcements	9.003	Prefix /21 withdrawals	8.002	Prefix /21 path updates	97.027
Prefix /22 update rate	174.048	Prefix /22 announcements	9.003	Prefix /22 withdrawals	9.003	Prefix /22 path updates	156.043
Prefix /23 update rate	180.050	Prefix /23 announcements	19.005	Prefix /23 withdrawals	15.004	Prefix /23 path updates	146.041
Prefix /24 update rate	1506.418	Prefix /24 announcements	159.044	Prefix /24 withdrawals	159.044	Prefix /24 path updates	1188.330
Prefix /25 update rate	229.064	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	229.064
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	722	Origin Paths	66	NextHop Paths	201	Transit Paths	176	Paths	265	Paths	14
Report
/16 Tot	3	/16 Org	0	/16 Nxt	1	/16 Trn	2	/16 Fst	0	/16 Prp	0
/17 Tot	2	/17 Org	0	/17 Nxt	0	/17 Trn	1	/17 Fst	1	/17 Prp	0
/18 Tot	3	/18 Org	0	/18 Nxt	2	/18 Trn	0	/18 Fst	1	/18 Prp	0
/19 Tot	6	/19 Org	0	/19 Nxt	5	/19 Trn	1	/19 Fst	0	/19 Prp	0
/20 Tot	28	/20 Org	2	/20 Nxt	15	/20 Trn	10	/20 Fst	1	/20 Prp	0
/21 Tot	97	/21 Org	0	/21 Nxt	23	/21 Trn	62	/21 Fst	11	/21 Prp	1
/22 Tot	156	/22 Org	0	/22 Nxt	34	/22 Trn	100	/22 Fst	18	/22 Prp	4
/23 Tot	146	/23 Org	0	/23 Nxt	32	/23 Trn	92	/23 Fst	18	/23 Prp	4
/24 Tot	1188	/24 Org	17	/24 Nxt	197	/24 Trn	778	/24 Fst	166	/24 Prp	30
/25 Tot	229	/25 Org	56	/25 Nxt	18	/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	40	% AS's announcing span of /8	0.0005
AS's announcing span of /9	76	% 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	171	% 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	847	% AS's announcing span of /14	0.0109
AS's announcing span of /15	1633	% AS's announcing span of /15	0.0211
AS's announcing span of /16	1762	% AS's announcing span of /16	0.0227
AS's announcing span of /17	2459	% AS's announcing span of /17	0.0317
AS's announcing span of /18	3770	% AS's announcing span of /18	0.0487
AS's announcing span of /19	5177	% AS's announcing span of /19	0.0668
AS's announcing span of /20	7625	% AS's announcing span of /20	0.0984
AS's announcing span of /21	10485	% AS's announcing span of /21	0.1354
AS's announcing span of /22	12915	% AS's announcing span of /22	0.1667
AS's announcing span of /23	10149	% AS's announcing span of /23	0.1310
AS's announcing span of /24	19556	% AS's announcing span of /24	0.2524
AS's announcing span of /25	15	% 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.

h h h

AS Connectivity Report	Data
AS Adjacency Count	129630
Average AS Connectivity Degree (259260/78111)	3.3191
Average AS Connectivity IN:OUT Degree	0.1563
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	590631	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	576447	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	399929	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	399955	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 Fri Feb 6 12:01:09 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