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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Tue Feb 17 00:01:13 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)	1058877	Change in FIB Size	118	Change (%)	0.011
All BGP entries (RIB)	3138280
RIB/FIB ratio (3138280/1058877)	2.9638
Valid entries	3138280
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)	3113833600
Total address space advertised (prefix length)	0.46395530
Percentage of IPv4 space advertised (3113833600/4294967295)	72.499588
Total address space advertised - corrected to 19 /8s	(data)
Average address span	2941
Average address span (as prefix size)	20.4784
Average prefix length	22.9470

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	549610	Specifics as % of FIB entries (549610/1058877)	51.9050
Specifics as % of address span (1116152447/3113833600)	35.8450
Specifics where AS prepended Path matches aggregate	237439	AS-P_Path-Match % (237439/549610)	43.20
AS Path matches aggregate	256360	AS-Path-Match % (256360/549610)	46.6440
AS Origin matches aggregate	422009	AS-Origin-Match % (422009/549610)	76.7834
Root Prefixes	509267
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	450715
Root Prefixes with depth 1	47293
Root Prefixes with depth 2	9176
Root Prefixes with depth 3	1598
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	78204	ASes visible in only one AS path	46495
Origin only ASes	66749	Origin ASs announced via a single AS path	45935
Transit only ASes	596	Originating AS ATOM count	77608
Mixed ASes	10859	Originating AS ATOM compression	0.0733
Multi-Origin Prefixes	2226
ASes originating a single prefix	27117
Average FIB entries per Origin AS	13.6439	Maximum entries for an origin AS (AS34984)	2447
Average address range span for an origin AS	40122.5853	Maximum address range for an origin AS (AS749)	227731968

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	267824	Unique AS prepended Paths	284954
AS Paths used in FIB	133290	AS Paths using prepending	64797
AS paths associated with a single FIB entry	63947	AS Paths using private ASs	22
Average AS path length	5.2183	Number of Prefixes with Selected AS Prepending Paths	139120
Maximum AS Path length	15	Number of Prefixes with AS Prepending Paths	139120
Average address weighted AS path length	6.5599	Maximum prepended AS Path length	97
Average entries per AS Path	3.9536	Average entries per FIB AS Path	7.9442
AS Paths per origin AS	3.4510	FIB AS Paths per origin AS	1.7175
AS PATH ATOM compression	0.1259

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	303	% Prefix /12	0.03
Prefix count /13	584	% Prefix /13	0.06
Prefix count /14	1204	% Prefix /14	0.11
Prefix count /15	2105	% Prefix /15	0.20
Prefix count /16	13755	% Prefix /16	1.30
Prefix count /17	8430	% Prefix /17	0.80
Prefix count /18	13782	% Prefix /18	1.30
Prefix count /19	25471	% Prefix /19	2.41
Prefix count /20	47303	% Prefix /20	4.47
Prefix count /21	53820	% Prefix /21	5.08
Prefix count /22	115526	% Prefix /22	10.91
Prefix count /23	111650	% Prefix /23	10.54
Prefix count /24	664085	% Prefix /24	62.72
Prefix count /25	683	% 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	90	% Prefix /11	0.02
Prefix count /12	265	% Prefix /12	0.05
Prefix count /13	488	% Prefix /13	0.10
Prefix count /14	1028	% Prefix /14	0.20
Prefix count /15	1631	% Prefix /15	0.32
Prefix count /16	10905	% Prefix /16	2.14
Prefix count /17	4473	% Prefix /17	0.88
Prefix count /18	7052	% Prefix /18	1.38
Prefix count /19	14905	% Prefix /19	2.93
Prefix count /20	20519	% Prefix /20	4.03
Prefix count /21	22830	% Prefix /21	4.48
Prefix count /22	60276	% Prefix /22	11.84
Prefix count /23	45381	% Prefix /23	8.91
Prefix count /24	319350	% Prefix /24	62.71
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	208082015	% Addresses at AS distance 2	4.9
Addresses at AS distance 3	1276969856	% Addresses at AS distance 3	30.2
Addresses at AS distance 4	1992524320	% Addresses at AS distance 4	47.1
Addresses at AS distance 5	569149952	% Addresses at AS distance 5	13.5
Addresses at AS distance 6	160381440	% Addresses at AS distance 6	3.8
Addresses at AS distance 7	12844288	% Addresses at AS distance 7	0.3
Addresses at AS distance 8	8826624	% Addresses at AS distance 8	0.2
Addresses at AS distance 9	1181952	% Addresses at AS distance 9	0.0
Addresses at AS distance 10	18432	% 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	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	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	208087135	% Addresses reachable within 2 AS hops	4
Addresses reachable within 3 AS hops	1485056991	% Addresses reachable within 3 AS hops	35
Addresses reachable within 4 AS hops	3477581311	% Addresses reachable within 4 AS hops	82
Addresses reachable within 5 AS hops	4046731263	% Addresses reachable within 5 AS hops	95
Addresses reachable within 6 AS hops	4207112703	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	4219956991	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	4228783615	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	4229965567	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	4229983999	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	4229984767	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	4229984767	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	4229984767	% Addresses reachable within 13 AS hops	99
Addresses reachable within 14 AS hops	4229986047	% 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	8224	% ASes reachable at 3 AS hops	10
ASes reachable at 4 AS hops	33807	% ASes reachable at 4 AS hops	43
ASes reachable at 5 AS hops	28297	% ASes reachable at 5 AS hops	36
ASes reachable at 6 AS hops	6072	% ASes reachable at 6 AS hops	7
ASes reachable at 7 AS hops	1216	% 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	44	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	4	% ASes reachable at 10 AS hops	0
ASes reachable at 11 AS hops	6	% 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	222	Cumulative % ASes by AS hops 2	0.3
ASes reachable by 3 AS hops	8446	Cumulative % ASes by AS hops 3	10.8
ASes reachable by 4 AS hops	42253	Cumulative % ASes by AS hops 4	54.0
ASes reachable by 5 AS hops	70550	Cumulative % ASes by AS hops 5	90.2
ASes reachable by 6 AS hops	76622	Cumulative % ASes by AS hops 6	98.0
ASes reachable by 7 AS hops	77838	Cumulative % ASes by AS hops 7	99.5
ASes reachable by 8 AS hops	78138	Cumulative % ASes by AS hops 8	99.9
ASes reachable by 9 AS hops	78182	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	78186	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	78192	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	78196	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	78200	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	78204	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	2616	New Entries	250	Removed Entries	124	Updated Entries	2242
		Report		Report		Report
Address Span	5798272	Address Span	99584	Address Span	295936	Address Span	5402752
Average address span per update	2216	Avg Span	398	Avg Span	2386	Avg Span	2409
Average prefix size updated	23.14	Average prefix size	23.74	Average prefix size	23.25	Average prefix size	23.06
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	0	Prefix /13 announcements	0	Prefix /13 withdrawals	0	Prefix /13 path updates	0
Prefix /14 total	0	Prefix /14 announcements	0	Prefix /14 withdrawals	0	Prefix /14 path updates	0
Prefix /15 total	0	Prefix /15 announcements	0	Prefix /15 withdrawals	0	Prefix /15 path updates	0
Prefix /16 total	22	Prefix /16 announcements	0	Prefix /16 withdrawals	3	Prefix /16 path updates	19
Prefix /17 total	14	Prefix /17 announcements	0	Prefix /17 withdrawals	0	Prefix /17 path updates	14
Prefix /18 total	37	Prefix /18 announcements	0	Prefix /18 withdrawals	2	Prefix /18 path updates	35
Prefix /19 total	75	Prefix /19 announcements	1	Prefix /19 withdrawals	1	Prefix /19 path updates	73
Prefix /20 total	163	Prefix /20 announcements	2	Prefix /20 withdrawals	3	Prefix /20 path updates	158
Prefix /21 total	95	Prefix /21 announcements	4	Prefix /21 withdrawals	4	Prefix /21 path updates	87
Prefix /22 total	234	Prefix /22 announcements	10	Prefix /22 withdrawals	9	Prefix /22 path updates	215
Prefix /23 total	198	Prefix /23 announcements	20	Prefix /23 withdrawals	10	Prefix /23 path updates	168
Prefix /24 total	1546	Prefix /24 announcements	213	Prefix /24 withdrawals	92	Prefix /24 path updates	1241
Prefix /25 total	231	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	231
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	1.34	Prefix /12 announcements	0.00	Prefix /12 withdrawals	0.00	Prefix /12 path updates	1.56
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	0.65	Prefix /16 announcements	0.00	Prefix /16 withdrawals	1.86	Prefix /16 path updates	0.65
Prefix /17 total	0.67	Prefix /17 announcements	0.00	Prefix /17 withdrawals	0.00	Prefix /17 path updates	0.78
Prefix /18 total	1.09	Prefix /18 announcements	0.00	Prefix /18 withdrawals	1.24	Prefix /18 path updates	1.20
Prefix /19 total	1.19	Prefix /19 announcements	0.17	Prefix /19 withdrawals	0.34	Prefix /19 path updates	1.35
Prefix /20 total	1.39	Prefix /20 announcements	0.18	Prefix /20 withdrawals	0.54	Prefix /20 path updates	1.58
Prefix /21 total	0.71	Prefix /21 announcements	0.31	Prefix /21 withdrawals	0.63	Prefix /21 path updates	0.76
Prefix /22 total	0.82	Prefix /22 announcements	0.37	Prefix /22 withdrawals	0.67	Prefix /22 path updates	0.88
Prefix /23 total	0.72	Prefix /23 announcements	0.76	Prefix /23 withdrawals	0.76	Prefix /23 path updates	0.71
Prefix /24 total	0.94	Prefix /24 announcements	1.36	Prefix /24 withdrawals	1.18	Prefix /24 path updates	0.88
Prefix /25 total	136.90	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	159.74
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 1 hrs 0 mins)	Data	Announce Rate	Data	Withdraw Rate	Data	Path Chg Rate	Data
Table Updates	2613.822	New Entries	249.792	Removed Entries	123.897	Updated Entries	2240.133
Address Span	5793444.000	Address Span	99501.086	Address Span	295689.594	Address Span	5398253.500
Average address span per update	2214.155	Avg Span	397.669	Avg Span	2384.013	Avg Span	2406.994
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	0.999	Prefix /12 announcements	0.000	Prefix /12 withdrawals	0.000	Prefix /12 path updates	0.999
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	21.982	Prefix /16 announcements	0.000	Prefix /16 withdrawals	2.998	Prefix /16 path updates	18.984
Prefix /17 update rate	13.988	Prefix /17 announcements	0.000	Prefix /17 withdrawals	0.000	Prefix /17 path updates	13.988
Prefix /18 update rate	36.969	Prefix /18 announcements	0.000	Prefix /18 withdrawals	1.998	Prefix /18 path updates	34.971
Prefix /19 update rate	74.938	Prefix /19 announcements	0.999	Prefix /19 withdrawals	0.999	Prefix /19 path updates	72.939
Prefix /20 update rate	162.864	Prefix /20 announcements	1.998	Prefix /20 withdrawals	2.998	Prefix /20 path updates	157.868
Prefix /21 update rate	94.921	Prefix /21 announcements	3.997	Prefix /21 withdrawals	3.997	Prefix /21 path updates	86.928
Prefix /22 update rate	233.805	Prefix /22 announcements	9.992	Prefix /22 withdrawals	8.993	Prefix /22 path updates	214.821
Prefix /23 update rate	197.835	Prefix /23 announcements	19.983	Prefix /23 withdrawals	9.992	Prefix /23 path updates	167.860
Prefix /24 update rate	1544.713	Prefix /24 announcements	212.823	Prefix /24 withdrawals	91.923	Prefix /24 path updates	1239.967
Prefix /25 update rate	230.808	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	230.808
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	759	Origin Paths	63	NextHop Paths	125	Transit Paths	143	Paths	412	Paths	16
Report
/12 Tot	1	/12 Org	0	/12 Nxt	0	/12 Trn	1	/12 Fst	0	/12 Prp	0
/13 Tot	0	/13 Org	0	/13 Nxt	0	/13 Trn	0	/13 Fst	0	/13 Prp	0
/14 Tot	0	/14 Org	0	/14 Nxt	0	/14 Trn	0	/14 Fst	0	/14 Prp	0
/15 Tot	0	/15 Org	0	/15 Nxt	0	/15 Trn	0	/15 Fst	0	/15 Prp	0
/16 Tot	19	/16 Org	0	/16 Nxt	16	/16 Trn	2	/16 Fst	1	/16 Prp	0
/17 Tot	14	/17 Org	0	/17 Nxt	5	/17 Trn	9	/17 Fst	0	/17 Prp	0
/18 Tot	35	/18 Org	0	/18 Nxt	9	/18 Trn	22	/18 Fst	4	/18 Prp	0
/19 Tot	73	/19 Org	0	/19 Nxt	52	/19 Trn	16	/19 Fst	3	/19 Prp	2
/20 Tot	158	/20 Org	0	/20 Nxt	19	/20 Trn	127	/20 Fst	11	/20 Prp	1
/21 Tot	87	/21 Org	0	/21 Nxt	13	/21 Trn	47	/21 Fst	8	/21 Prp	19
/22 Tot	215	/22 Org	1	/22 Nxt	36	/22 Trn	146	/22 Fst	13	/22 Prp	19
/23 Tot	168	/23 Org	2	/23 Nxt	47	/23 Trn	83	/23 Fst	12	/23 Prp	24
/24 Tot	1241	/24 Org	7	/24 Nxt	183	/24 Trn	866	/24 Fst	139	/24 Prp	46
/25 Tot	231	/25 Org	57	/25 Nxt	17	/25 Trn	0	/25 Fst	157	/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	41	% AS's announcing span of /8	0.0005
AS's announcing span of /9	75	% 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	243	% AS's announcing span of /12	0.0031
AS's announcing span of /13	400	% AS's announcing span of /13	0.0052
AS's announcing span of /14	845	% AS's announcing span of /14	0.0109
AS's announcing span of /15	1629	% AS's announcing span of /15	0.0210
AS's announcing span of /16	1764	% AS's announcing span of /16	0.0227
AS's announcing span of /17	2461	% AS's announcing span of /17	0.0317
AS's announcing span of /18	3767	% AS's announcing span of /18	0.0486
AS's announcing span of /19	5160	% AS's announcing span of /19	0.0665
AS's announcing span of /20	7637	% AS's announcing span of /20	0.0985
AS's announcing span of /21	10500	% AS's announcing span of /21	0.1354
AS's announcing span of /22	12899	% AS's announcing span of /22	0.1663
AS's announcing span of /23	10164	% AS's announcing span of /23	0.1311
AS's announcing span of /24	19633	% 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	130128
Average AS Connectivity Degree (260256/78204)	3.3279
Average AS Connectivity IN:OUT Degree	0.1580
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	594000	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	580315	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	400773	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	400797	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 Feb 17 00:01:13 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