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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Fri Jun 12 18:01:10 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)	1061263	Change in FIB Size	-90	Change (%)	-0.008
All BGP entries (RIB)	3165585
RIB/FIB ratio (3165585/1061263)	2.9828
Valid entries	3165585
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)	3121148672
Total address space advertised (prefix length)	0.46057007
Percentage of IPv4 space advertised (3121148672/4294967295)	72.669905
Total address space advertised - corrected to 19 /8s	(data)
Average address span	2941
Average address span (as prefix size)	20.4784
Average prefix length	22.9570

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	538480	Specifics as % of FIB entries (538480/1061263)	50.7395
Specifics as % of address span (1098045450/3121148672)	35.1808
Specifics where AS prepended Path matches aggregate	255333	AS-P_Path-Match % (255333/538480)	47.42
AS Path matches aggregate	275955	AS-Path-Match % (275955/538480)	51.2470
AS Origin matches aggregate	409241	AS-Origin-Match % (409241/538480)	75.9993
Root Prefixes	522783
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	465638
Root Prefixes with depth 1	46837
Root Prefixes with depth 2	8458
Root Prefixes with depth 3	1416
Root Prefixes with depth 4	334
Root Prefixes with depth 5	68
Root Prefixes with depth 6	26
Root Prefixes with depth 7	5
Root Prefixes with depth 8	1

AS Numbers

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

AS Reports (plots)	Data Sets(txt)	Additional Reports (plots)	Data Sets(txt)
Unique ASes	78843	ASes visible in only one AS path	48093
Origin only ASes	67324	Origin ASs announced via a single AS path	47521
Transit only ASes	613	Originating AS ATOM count	78230
Mixed ASes	10906	Originating AS ATOM compression	0.0737
Multi-Origin Prefixes	1160
ASes originating a single prefix	27749
Average FIB entries per Origin AS	13.5659	Maximum entries for an origin AS (AS7713)	3731
Average address range span for an origin AS	39897.0813	Maximum address range for an origin AS (AS749)	227729152

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	270599	Unique AS prepended Paths	288782
AS Paths used in FIB	129753	AS Paths using prepending	66419
AS paths associated with a single FIB entry	62133	AS Paths using private ASs	19
Average AS path length	5.3041	Number of Prefixes with Selected AS Prepending Paths	144103
Maximum AS Path length	16	Number of Prefixes with AS Prepending Paths	144103
Average address weighted AS path length	6.5340	Maximum prepended AS Path length	70
Average entries per AS Path	3.9219	Average entries per FIB AS Path	8.1791
AS Paths per origin AS	3.4590	FIB AS Paths per origin AS	1.6586
AS PATH ATOM compression	0.1223

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	39	% Prefix /10	0.00
Prefix count /11	97	% Prefix /11	0.01
Prefix count /12	299	% Prefix /12	0.03
Prefix count /13	589	% Prefix /13	0.06
Prefix count /14	1192	% Prefix /14	0.11
Prefix count /15	2126	% Prefix /15	0.20
Prefix count /16	13716	% Prefix /16	1.29
Prefix count /17	8400	% Prefix /17	0.79
Prefix count /18	13472	% Prefix /18	1.27
Prefix count /19	25800	% Prefix /19	2.43
Prefix count /20	47075	% Prefix /20	4.44
Prefix count /21	53200	% Prefix /21	5.01
Prefix count /22	114271	% Prefix /22	10.77
Prefix count /23	109412	% Prefix /23	10.31
Prefix count /24	670843	% Prefix /24	63.21
Prefix count /25	696	% Prefix /25	0.07
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	4	% Prefix /31	0.00
Prefix count /32	2	% 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	39	% Prefix /10	0.01
Prefix count /11	92	% Prefix /11	0.02
Prefix count /12	264	% Prefix /12	0.05
Prefix count /13	491	% Prefix /13	0.09
Prefix count /14	1014	% Prefix /14	0.19
Prefix count /15	1631	% Prefix /15	0.31
Prefix count /16	10907	% Prefix /16	2.09
Prefix count /17	4528	% Prefix /17	0.87
Prefix count /18	7182	% Prefix /18	1.37
Prefix count /19	14943	% Prefix /19	2.86
Prefix count /20	20986	% Prefix /20	4.01
Prefix count /21	22962	% Prefix /21	4.39
Prefix count /22	60787	% Prefix /22	11.63
Prefix count /23	46390	% Prefix /23	8.87
Prefix count /24	330536	% Prefix /24	63.23
Prefix count /25	6	% 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	234101514	% Addresses at AS distance 2	5.5
Addresses at AS distance 3	1238681344	% Addresses at AS distance 3	29.4
Addresses at AS distance 4	1961025664	% Addresses at AS distance 4	46.5
Addresses at AS distance 5	597121920	% Addresses at AS distance 5	14.2
Addresses at AS distance 6	165821568	% Addresses at AS distance 6	3.9
Addresses at AS distance 7	14258944	% Addresses at AS distance 7	0.3
Addresses at AS distance 8	7872640	% Addresses at AS distance 8	0.2
Addresses at AS distance 9	270336	% Addresses at AS distance 9	0.0
Addresses at AS distance 10	32256	% Addresses at AS distance 10	0.0
Addresses at AS distance 11	512	% Addresses at AS distance 11	0.0
Addresses at AS distance 12	1024	% 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
Addresses at AS distance 15	0	% 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	234106634	% Addresses reachable within 2 AS hops	5
Addresses reachable within 3 AS hops	1472787978	% Addresses reachable within 3 AS hops	34
Addresses reachable within 4 AS hops	3433813642	% Addresses reachable within 4 AS hops	81
Addresses reachable within 5 AS hops	4030935562	% Addresses reachable within 5 AS hops	95
Addresses reachable within 6 AS hops	4196757130	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	4211016074	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	4218888714	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	4219159050	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	4219191306	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	4219191818	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	4219192842	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	4219192842	% Addresses reachable within 13 AS hops	99
Addresses reachable within 14 AS hops	4219194122	% Addresses reachable within 14 AS hops	100
Addresses reachable within 15 AS hops	4219194122	% 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	304	% ASes reachable at 2 AS hops	0
ASes reachable at 3 AS hops	6524	% ASes reachable at 3 AS hops	8
ASes reachable at 4 AS hops	30944	% ASes reachable at 4 AS hops	39
ASes reachable at 5 AS hops	31426	% ASes reachable at 5 AS hops	39
ASes reachable at 6 AS hops	7859	% ASes reachable at 6 AS hops	9
ASes reachable at 7 AS hops	1397	% ASes reachable at 7 AS hops	1
ASes reachable at 8 AS hops	314	% ASes reachable at 8 AS hops	0
ASes reachable at 9 AS hops	45	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	10	% ASes reachable at 10 AS hops	0
ASes reachable at 11 AS hops	5	% 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	0	% 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	307	Cumulative % ASes by AS hops 2	0.4
ASes reachable by 3 AS hops	6831	Cumulative % ASes by AS hops 3	8.7
ASes reachable by 4 AS hops	37775	Cumulative % ASes by AS hops 4	47.9
ASes reachable by 5 AS hops	69201	Cumulative % ASes by AS hops 5	87.8
ASes reachable by 6 AS hops	77060	Cumulative % ASes by AS hops 6	97.7
ASes reachable by 7 AS hops	78457	Cumulative % ASes by AS hops 7	99.5
ASes reachable by 8 AS hops	78771	Cumulative % ASes by AS hops 8	99.9
ASes reachable by 9 AS hops	78816	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	78826	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	78831	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	78835	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	78839	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	78843	Cumulative % ASes by AS hops 14	100.0
ASes reachable by 15 AS hops	78843	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	2566	New Entries	301	Removed Entries	398	Updated Entries	1867
		Report		Report		Report
Address Span	2159744	Address Span	201728	Address Span	215296	Address Span	1742720
Average address span per update	841	Avg Span	670	Avg Span	540	Avg Span	933
Average prefix size updated	23.56	Average prefix size	23.63	Average prefix size	23.64	Average prefix size	23.54
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /16 total	1	Prefix /16 announcements	1	Prefix /16 withdrawals	0	Prefix /16 path updates	0
Prefix /17 total	3	Prefix /17 announcements	0	Prefix /17 withdrawals	0	Prefix /17 path updates	3
Prefix /18 total	38	Prefix /18 announcements	0	Prefix /18 withdrawals	1	Prefix /18 path updates	37
Prefix /19 total	25	Prefix /19 announcements	2	Prefix /19 withdrawals	3	Prefix /19 path updates	20
Prefix /20 total	74	Prefix /20 announcements	3	Prefix /20 withdrawals	10	Prefix /20 path updates	61
Prefix /21 total	64	Prefix /21 announcements	8	Prefix /21 withdrawals	10	Prefix /21 path updates	46
Prefix /22 total	139	Prefix /22 announcements	12	Prefix /22 withdrawals	14	Prefix /22 path updates	113
Prefix /23 total	208	Prefix /23 announcements	33	Prefix /23 withdrawals	25	Prefix /23 path updates	150
Prefix /24 total	1779	Prefix /24 announcements	242	Prefix /24 withdrawals	335	Prefix /24 path updates	1202
Prefix /25 total	235	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	235
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	0.03	Prefix /16 announcements	0.26	Prefix /16 withdrawals	0.00	Prefix /16 path updates	0.00
Prefix /17 total	0.15	Prefix /17 announcements	0.00	Prefix /17 withdrawals	0.00	Prefix /17 path updates	0.20
Prefix /18 total	1.17	Prefix /18 announcements	0.00	Prefix /18 withdrawals	0.20	Prefix /18 path updates	1.56
Prefix /19 total	0.40	Prefix /19 announcements	0.27	Prefix /19 withdrawals	0.31	Prefix /19 path updates	0.44
Prefix /20 total	0.65	Prefix /20 announcements	0.22	Prefix /20 withdrawals	0.57	Prefix /20 path updates	0.74
Prefix /21 total	0.50	Prefix /21 announcements	0.53	Prefix /21 withdrawals	0.50	Prefix /21 path updates	0.49
Prefix /22 total	0.50	Prefix /22 announcements	0.37	Prefix /22 withdrawals	0.33	Prefix /22 path updates	0.56
Prefix /23 total	0.79	Prefix /23 announcements	1.06	Prefix /23 withdrawals	0.61	Prefix /23 path updates	0.78
Prefix /24 total	1.10	Prefix /24 announcements	1.27	Prefix /24 withdrawals	1.33	Prefix /24 path updates	1.02
Prefix /25 total	139.64	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	191.93
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	100.00	Prefix /27 withdrawals	100.00	Prefix /27 path updates	100.00
Prefix /28 total	0.00	Prefix /28 announcements	100.00	Prefix /28 withdrawals	100.00	Prefix /28 path updates	100.00
Prefix /29 total	0.00	Prefix /29 announcements	100.00	Prefix /29 withdrawals	100.00	Prefix /29 path updates	100.00
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	0.00	Prefix /31 withdrawals	0.00	Prefix /31 path updates	0.00
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	2566.000	New Entries	301.000	Removed Entries	398.000	Updated Entries	1867.000
Address Span	2159744.000	Address Span	201728.000	Address Span	215296.000	Address Span	1742720.000
Average address span per update	841.000	Avg Span	670.000	Avg Span	540.000	Avg Span	933.000
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	1.000	Prefix /16 announcements	1.000	Prefix /16 withdrawals	0.000	Prefix /16 path updates	0.000
Prefix /17 update rate	3.000	Prefix /17 announcements	0.000	Prefix /17 withdrawals	0.000	Prefix /17 path updates	3.000
Prefix /18 update rate	38.000	Prefix /18 announcements	0.000	Prefix /18 withdrawals	1.000	Prefix /18 path updates	37.000
Prefix /19 update rate	25.000	Prefix /19 announcements	2.000	Prefix /19 withdrawals	3.000	Prefix /19 path updates	20.000
Prefix /20 update rate	74.000	Prefix /20 announcements	3.000	Prefix /20 withdrawals	10.000	Prefix /20 path updates	61.000
Prefix /21 update rate	64.000	Prefix /21 announcements	8.000	Prefix /21 withdrawals	10.000	Prefix /21 path updates	46.000
Prefix /22 update rate	139.000	Prefix /22 announcements	12.000	Prefix /22 withdrawals	14.000	Prefix /22 path updates	113.000
Prefix /23 update rate	208.000	Prefix /23 announcements	33.000	Prefix /23 withdrawals	25.000	Prefix /23 path updates	150.000
Prefix /24 update rate	1779.000	Prefix /24 announcements	242.000	Prefix /24 withdrawals	335.000	Prefix /24 path updates	1202.000
Prefix /25 update rate	235.000	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	235.000
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	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	668	Origin Paths	65	NextHop Paths	199	Transit Paths	196	Paths	191	Paths	17
Report
/17 Tot	3	/17 Org	0	/17 Nxt	1	/17 Trn	1	/17 Fst	1	/17 Prp	0
/18 Tot	37	/18 Org	0	/18 Nxt	0	/18 Trn	37	/18 Fst	0	/18 Prp	0
/19 Tot	20	/19 Org	0	/19 Nxt	5	/19 Trn	12	/19 Fst	3	/19 Prp	0
/20 Tot	61	/20 Org	0	/20 Nxt	7	/20 Trn	44	/20 Fst	10	/20 Prp	0
/21 Tot	46	/21 Org	0	/21 Nxt	9	/21 Trn	14	/21 Fst	22	/21 Prp	1
/22 Tot	113	/22 Org	4	/22 Nxt	43	/22 Trn	39	/22 Fst	26	/22 Prp	1
/23 Tot	150	/23 Org	0	/23 Nxt	58	/23 Trn	58	/23 Fst	29	/23 Prp	5
/24 Tot	1202	/24 Org	6	/24 Nxt	502	/24 Trn	363	/24 Fst	209	/24 Prp	122
/25 Tot	235	/25 Org	60	/25 Nxt	18	/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	6	% AS's announcing span of /5	0.0001
AS's announcing span of /6	10	% 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	74	% AS's announcing span of /9	0.0009
AS's announcing span of /10	103	% AS's announcing span of /10	0.0013
AS's announcing span of /11	172	% 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	396	% AS's announcing span of /13	0.0051
AS's announcing span of /14	841	% AS's announcing span of /14	0.0108
AS's announcing span of /15	1629	% AS's announcing span of /15	0.0208
AS's announcing span of /16	1741	% AS's announcing span of /16	0.0223
AS's announcing span of /17	2435	% AS's announcing span of /17	0.0311
AS's announcing span of /18	3775	% AS's announcing span of /18	0.0483
AS's announcing span of /19	5107	% AS's announcing span of /19	0.0653
AS's announcing span of /20	7569	% AS's announcing span of /20	0.0968
AS's announcing span of /21	10426	% AS's announcing span of /21	0.1334
AS's announcing span of /22	13164	% AS's announcing span of /22	0.1684
AS's announcing span of /23	10476	% AS's announcing span of /23	0.1340
AS's announcing span of /24	19939	% AS's announcing span of /24	0.2550
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	1	% 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.

ÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿÿ ÿÿÿÿÿÿÿÿ

AS Connectivity Report	Data
AS Adjacency Count	127931
Average AS Connectivity Degree (255862/78843)	3.2452
Average AS Connectivity IN:OUT Degree	0.1514
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	584125	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	569748	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	410183	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	410202	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 Jun 12 18:01:10 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