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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Thu Oct 9 03:01:09 2025 (UTC+1000).

Active BGP entries (FIB)

Table Size Metrics

The trend of the size of the BGP Forwarding Table (FIB). Also the underlying BGP Routing Table (RIB). The RIB/FIB ratio is a function of the number of BGP peering sessions at the sample point. Some RIB entries are marked as unusable as an outcome of protocol operation, and these categories of unusable advertisements are tracked.

FIB / RIB Table Reports (plots)	Data Sets(txt)
Active BGP entries (FIB)	1033366	Change in FIB Size	151	Change (%)	0.015
All BGP entries (RIB)	3061271
RIB/FIB ratio (3061271/1033366)	2.9624
Valid entries	3061271
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)	3112231168
Total address space advertised (prefix length)	0.46469792
Percentage of IPv4 space advertised (3112231168/4294967295)	72.462279
Total address space advertised - corrected to 19 /8s	(data)
Average address span	3012
Average address span (as prefix size)	20.4440
Average prefix length	22.9307

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	537485	Specifics as % of FIB entries (537485/1033366)	52.0130
Specifics as % of address span (1109059553/3112231168)	35.6355
Specifics where AS prepended Path matches aggregate	243863	AS-P_Path-Match % (243863/537485)	45.37
AS Path matches aggregate	264569	AS-Path-Match % (264569/537485)	49.2235
AS Origin matches aggregate	413333	AS-Origin-Match % (413333/537485)	76.9013
Root Prefixes	495881
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	438003
Root Prefixes with depth 1	46705
Root Prefixes with depth 2	9091
Root Prefixes with depth 3	1590
Root Prefixes with depth 4	385
Root Prefixes with depth 5	74
Root Prefixes with depth 6	25
Root Prefixes with depth 7	7
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	77616	ASes visible in only one AS path	47200
Origin only ASes	66276	Origin ASs announced via a single AS path	46691
Transit only ASes	582	Originating AS ATOM count	77034
Mixed ASes	10758	Originating AS ATOM compression	0.0745
Multi-Origin Prefixes	2086
ASes originating a single prefix	26922
Average FIB entries per Origin AS	13.4144	Maximum entries for an origin AS (AS7713)	3711
Average address range span for an origin AS	40400.7473	Maximum address range for an origin AS (AS749)	227886080

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	261282	Unique AS prepended Paths	277520
AS Paths used in FIB	126272	AS Paths using prepending	61799
AS paths associated with a single FIB entry	59527	AS Paths using private ASs	30
Average AS path length	5.1771	Number of Prefixes with Selected AS Prepending Paths	137644
Maximum AS Path length	16	Number of Prefixes with AS Prepending Paths	137644
Average address weighted AS path length	6.4874	Maximum prepended AS Path length	92
Average entries per AS Path	3.9550	Average entries per FIB AS Path	8.1837
AS Paths per origin AS	3.3918	FIB AS Paths per origin AS	1.6392
AS PATH ATOM compression	0.1222

Prefix Length Distributions

The time trend of the distribution of BGP Table entries by address prefix length.

Prefix Length Reports (plots)	Data Sets(txt)	Percentage Reports (plots)	Data Sets(txt)
Prefix Count	(data)	% Prefix distribution	(data)
Prefix count /8	16	% Prefix /8	0.00
Prefix count /9	14	% Prefix /9	0.00
Prefix count /10	41	% Prefix /10	0.00
Prefix count /11	93	% Prefix /11	0.01
Prefix count /12	301	% Prefix /12	0.03
Prefix count /13	583	% Prefix /13	0.06
Prefix count /14	1204	% Prefix /14	0.12
Prefix count /15	2137	% Prefix /15	0.21
Prefix count /16	13852	% Prefix /16	1.34
Prefix count /17	8369	% Prefix /17	0.81
Prefix count /18	13755	% Prefix /18	1.33
Prefix count /19	25209	% Prefix /19	2.44
Prefix count /20	46333	% Prefix /20	4.48
Prefix count /21	53503	% Prefix /21	5.18
Prefix count /22	114725	% Prefix /22	11.10
Prefix count /23	109148	% Prefix /23	10.56
Prefix count /24	643275	% Prefix /24	62.25
Prefix count /25	787	% Prefix /25	0.08
Prefix count /26	0	% Prefix /26	0.00
Prefix count /27	1	% Prefix /27	0.00
Prefix count /28	3	% 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	17	% 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	41	% Prefix /10	0.01
Prefix count /11	86	% Prefix /11	0.02
Prefix count /12	263	% Prefix /12	0.05
Prefix count /13	487	% Prefix /13	0.10
Prefix count /14	1027	% Prefix /14	0.21
Prefix count /15	1662	% Prefix /15	0.34
Prefix count /16	11037	% Prefix /16	2.23
Prefix count /17	4446	% Prefix /17	0.90
Prefix count /18	6942	% Prefix /18	1.40
Prefix count /19	14875	% Prefix /19	3.00
Prefix count /20	20466	% Prefix /20	4.13
Prefix count /21	22773	% Prefix /21	4.59
Prefix count /22	59989	% Prefix /22	12.10
Prefix count /23	43992	% Prefix /23	8.87
Prefix count /24	307760	% Prefix /24	62.06
Prefix count /25	10	% 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	237257239	% Addresses at AS distance 2	5.6
Addresses at AS distance 3	1339013674	% Addresses at AS distance 3	31.7
Addresses at AS distance 4	1942730272	% Addresses at AS distance 4	46.0
Addresses at AS distance 5	537937408	% Addresses at AS distance 5	12.7
Addresses at AS distance 6	142497664	% Addresses at AS distance 6	3.4
Addresses at AS distance 7	13339392	% Addresses at AS distance 7	0.3
Addresses at AS distance 8	8255488	% Addresses at AS distance 8	0.2
Addresses at AS distance 9	243200	% Addresses at AS distance 9	0.0
Addresses at AS distance 10	8960	% 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	256	% Addresses at AS distance 12	0.0
Addresses at AS distance 13	0	% Addresses at AS distance 13	0.0
Addresses at AS distance 14	0	% Addresses at AS distance 14	0.0
Addresses at AS distance 15	1280	% Addresses at AS distance 15	0.0

Cumulative Address by AS distance	(data)	Cumulative % Address by AS distance	(data)
Addresses reachable within 0 AS hops	256	% Addresses reachable within 0 AS hops	0
Addresses reachable within 1 AS hops	5120	% Addresses reachable within 1 AS hops	0
Addresses reachable within 2 AS hops	237262359	% Addresses reachable within 2 AS hops	5
Addresses reachable within 3 AS hops	1576276033	% Addresses reachable within 3 AS hops	37
Addresses reachable within 4 AS hops	3519006305	% Addresses reachable within 4 AS hops	83
Addresses reachable within 5 AS hops	4056943713	% Addresses reachable within 5 AS hops	96
Addresses reachable within 6 AS hops	4199441377	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	4212780769	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	4221036257	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	4221279457	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	4221288417	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	4221289185	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	4221289441	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	4221289441	% Addresses reachable within 13 AS hops	99
Addresses reachable within 14 AS hops	4221289441	% Addresses reachable within 14 AS hops	99
Addresses reachable within 15 AS hops	4221290721	% 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	374	% ASes reachable at 2 AS hops	0
ASes reachable at 3 AS hops	9629	% ASes reachable at 3 AS hops	12
ASes reachable at 4 AS hops	32751	% ASes reachable at 4 AS hops	42
ASes reachable at 5 AS hops	27312	% ASes reachable at 5 AS hops	35
ASes reachable at 6 AS hops	6024	% ASes reachable at 6 AS hops	7
ASes reachable at 7 AS hops	1164	% ASes reachable at 7 AS hops	1
ASes reachable at 8 AS hops	288	% 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	1	% ASes reachable at 11 AS hops	0
ASes reachable at 12 AS hops	4	% ASes reachable at 12 AS hops	0
ASes reachable at 13 AS hops	4	% ASes reachable at 13 AS hops	0
ASes reachable at 14 AS hops	4	% ASes reachable at 14 AS hops	0
ASes reachable at 15 AS hops	4	% ASes reachable at 15 AS hops	0

Cumulative ASes by AS hops	(data)	Cumulative % ASes by AS hops	(data)
ASes reachable by 0 AS hops	1	Cumulative % ASes by AS hops 0	0.0
ASes reachable by 1 AS hops	3	Cumulative % ASes by AS hops 1	0.0
ASes reachable by 2 AS hops	377	Cumulative % ASes by AS hops 2	0.5
ASes reachable by 3 AS hops	10006	Cumulative % ASes by AS hops 3	12.9
ASes reachable by 4 AS hops	42757	Cumulative % ASes by AS hops 4	55.1
ASes reachable by 5 AS hops	70069	Cumulative % ASes by AS hops 5	90.3
ASes reachable by 6 AS hops	76093	Cumulative % ASes by AS hops 6	98.0
ASes reachable by 7 AS hops	77257	Cumulative % ASes by AS hops 7	99.5
ASes reachable by 8 AS hops	77545	Cumulative % ASes by AS hops 8	99.9
ASes reachable by 9 AS hops	77593	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	77599	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	77600	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	77604	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	77608	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	77612	Cumulative % ASes by AS hops 14	100.0
ASes reachable by 15 AS hops	77616	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	2467	New Entries	290	Removed Entries	129	Updated Entries	2048
		Report		Report		Report
Address Span	2760960	Address Span	112128	Address Span	47104	Address Span	2601728
Average address span per update	1119	Avg Span	386	Avg Span	365	Avg Span	1270
Average prefix size updated	23.44	Average prefix size	23.72	Average prefix size	23.72	Average prefix size	23.38
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /14 total	1	Prefix /14 announcements	0	Prefix /14 withdrawals	0	Prefix /14 path updates	1
Prefix /15 total	0	Prefix /15 announcements	0	Prefix /15 withdrawals	0	Prefix /15 path updates	0
Prefix /16 total	9	Prefix /16 announcements	0	Prefix /16 withdrawals	0	Prefix /16 path updates	9
Prefix /17 total	2	Prefix /17 announcements	0	Prefix /17 withdrawals	0	Prefix /17 path updates	2
Prefix /18 total	33	Prefix /18 announcements	0	Prefix /18 withdrawals	0	Prefix /18 path updates	33
Prefix /19 total	9	Prefix /19 announcements	0	Prefix /19 withdrawals	0	Prefix /19 path updates	9
Prefix /20 total	45	Prefix /20 announcements	3	Prefix /20 withdrawals	0	Prefix /20 path updates	42
Prefix /21 total	118	Prefix /21 announcements	4	Prefix /21 withdrawals	3	Prefix /21 path updates	111
Prefix /22 total	245	Prefix /22 announcements	19	Prefix /22 withdrawals	7	Prefix /22 path updates	219
Prefix /23 total	286	Prefix /23 announcements	18	Prefix /23 withdrawals	13	Prefix /23 path updates	255
Prefix /24 total	1451	Prefix /24 announcements	246	Prefix /24 withdrawals	106	Prefix /24 path updates	1099
Prefix /25 total	268	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	268
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	0.35	Prefix /14 announcements	0.00	Prefix /14 withdrawals	0.00	Prefix /14 path updates	0.42
Prefix /15 total	0.00	Prefix /15 announcements	0.00	Prefix /15 withdrawals	0.00	Prefix /15 path updates	0.00
Prefix /16 total	0.27	Prefix /16 announcements	0.00	Prefix /16 withdrawals	0.00	Prefix /16 path updates	0.33
Prefix /17 total	0.10	Prefix /17 announcements	0.00	Prefix /17 withdrawals	0.00	Prefix /17 path updates	0.12
Prefix /18 total	1.00	Prefix /18 announcements	0.00	Prefix /18 withdrawals	0.00	Prefix /18 path updates	1.21
Prefix /19 total	0.15	Prefix /19 announcements	0.00	Prefix /19 withdrawals	0.00	Prefix /19 path updates	0.18
Prefix /20 total	0.41	Prefix /20 announcements	0.23	Prefix /20 withdrawals	0.00	Prefix /20 path updates	0.46
Prefix /21 total	0.92	Prefix /21 announcements	0.27	Prefix /21 withdrawals	0.45	Prefix /21 path updates	1.05
Prefix /22 total	0.89	Prefix /22 announcements	0.59	Prefix /22 withdrawals	0.49	Prefix /22 path updates	0.96
Prefix /23 total	1.10	Prefix /23 announcements	0.59	Prefix /23 withdrawals	0.95	Prefix /23 path updates	1.18
Prefix /24 total	0.94	Prefix /24 announcements	1.36	Prefix /24 withdrawals	1.32	Prefix /24 path updates	0.86
Prefix /25 total	142.64	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	171.82
Prefix /26 total	0.00	Prefix /26 announcements	100.00	Prefix /26 withdrawals	100.00	Prefix /26 path updates	100.00
Prefix /27 total	0.00	Prefix /27 announcements	0.00	Prefix /27 withdrawals	0.00	Prefix /27 path updates	0.00
Prefix /28 total	0.00	Prefix /28 announcements	0.00	Prefix /28 withdrawals	0.00	Prefix /28 path updates	0.00
Prefix /29 total	0.00	Prefix /29 announcements	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	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	2467.686	New Entries	290.081	Removed Entries	129.036	Updated Entries	2048.569
Address Span	2761727.250	Address Span	112159.156	Address Span	47117.090	Address Span	2602451.000
Average address span per update	1119.311	Avg Span	386.107	Avg Span	365.101	Avg Span	1270.353
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	1.000	Prefix /14 announcements	0.000	Prefix /14 withdrawals	0.000	Prefix /14 path updates	1.000
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	9.003	Prefix /16 announcements	0.000	Prefix /16 withdrawals	0.000	Prefix /16 path updates	9.003
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	33.009	Prefix /18 announcements	0.000	Prefix /18 withdrawals	0.000	Prefix /18 path updates	33.009
Prefix /19 update rate	9.003	Prefix /19 announcements	0.000	Prefix /19 withdrawals	0.000	Prefix /19 path updates	9.003
Prefix /20 update rate	45.013	Prefix /20 announcements	3.001	Prefix /20 withdrawals	0.000	Prefix /20 path updates	42.012
Prefix /21 update rate	118.033	Prefix /21 announcements	4.001	Prefix /21 withdrawals	3.001	Prefix /21 path updates	111.031
Prefix /22 update rate	245.068	Prefix /22 announcements	19.005	Prefix /22 withdrawals	7.002	Prefix /22 path updates	219.061
Prefix /23 update rate	286.079	Prefix /23 announcements	18.005	Prefix /23 withdrawals	13.004	Prefix /23 path updates	255.071
Prefix /24 update rate	1451.403	Prefix /24 announcements	246.068	Prefix /24 withdrawals	106.029	Prefix /24 path updates	1099.305
Prefix /25 update rate	268.074	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	268.074
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	697	Origin Paths	62	NextHop Paths	209	Transit Paths	261	Paths	150	Paths	15
Report
/14 Tot	1	/14 Org	0	/14 Nxt	0	/14 Trn	1	/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	9	/16 Org	0	/16 Nxt	0	/16 Trn	5	/16 Fst	4	/16 Prp	0
/17 Tot	2	/17 Org	0	/17 Nxt	0	/17 Trn	2	/17 Fst	0	/17 Prp	0
/18 Tot	33	/18 Org	0	/18 Nxt	2	/18 Trn	2	/18 Fst	29	/18 Prp	0
/19 Tot	9	/19 Org	0	/19 Nxt	3	/19 Trn	3	/19 Fst	3	/19 Prp	0
/20 Tot	42	/20 Org	0	/20 Nxt	21	/20 Trn	12	/20 Fst	9	/20 Prp	0
/21 Tot	111	/21 Org	0	/21 Nxt	52	/21 Trn	18	/21 Fst	41	/21 Prp	0
/22 Tot	219	/22 Org	2	/22 Nxt	116	/22 Trn	44	/22 Fst	57	/22 Prp	0
/23 Tot	255	/23 Org	2	/23 Nxt	119	/23 Trn	50	/23 Fst	84	/23 Prp	0
/24 Tot	1099	/24 Org	5	/24 Nxt	531	/24 Trn	247	/24 Fst	301	/24 Prp	15
/25 Tot	268	/25 Org	60	/25 Nxt	18	/25 Trn	0	/25 Fst	190	/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	43	% AS's announcing span of /8	0.0006
AS's announcing span of /9	73	% AS's announcing span of /9	0.0009
AS's announcing span of /10	99	% AS's announcing span of /10	0.0013
AS's announcing span of /11	170	% AS's announcing span of /11	0.0022
AS's announcing span of /12	244	% AS's announcing span of /12	0.0032
AS's announcing span of /13	408	% AS's announcing span of /13	0.0053
AS's announcing span of /14	850	% AS's announcing span of /14	0.0110
AS's announcing span of /15	1639	% AS's announcing span of /15	0.0213
AS's announcing span of /16	1772	% AS's announcing span of /16	0.0230
AS's announcing span of /17	2439	% AS's announcing span of /17	0.0317
AS's announcing span of /18	3769	% AS's announcing span of /18	0.0490
AS's announcing span of /19	5146	% AS's announcing span of /19	0.0668
AS's announcing span of /20	7618	% AS's announcing span of /20	0.0989
AS's announcing span of /21	10435	% AS's announcing span of /21	0.1355
AS's announcing span of /22	12833	% AS's announcing span of /22	0.1667
AS's announcing span of /23	10056	% AS's announcing span of /23	0.1306
AS's announcing span of /24	19345	% AS's announcing span of /24	0.2513
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.

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AS Connectivity Report	Data
AS Adjacency Count	128631
Average AS Connectivity Degree (257262/77616)	3.3145
Average AS Connectivity IN:OUT Degree	0.1558
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	567892	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	552938	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	394687	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	394710	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 Thu Oct 9 03:01:09 2025 (UTC+1000).

Data prior to 11 April 97 interpreted from data gathered by Erik-Jan Bos, SURFnet.

BGP table analyser written and maintained by Geoff Huston.

Footnote

The name is a reference to a graph of the data. If the data is a single series then this is a simple time-series plot. If the data is a multi-series vector, the first graph is a compound graph of the time series of each element in the vector, the second is a relative plot using a common start point and looking at the relative change in the value of each element of the vector. The third is a relative plot, normalizing the start point to zero and looking at the absolute change in each element of the vector. The last isa distribution graph.
The value is a reference to the text raw data file. The text file uses a column format, with the first column representing the measurement time. The time base is the number of seconds since 1 January 1970 UTC. If you wish to convert this to Microsoft Excel time format, then divide this time