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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Tue Jan 21 07:01:09 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)	997408	Change in FIB Size	51	Change (%)	0.005
All BGP entries (RIB)	2955248
RIB/FIB ratio (2955248/997408)	2.9629
Valid entries	2955248
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)	3118073472
Total address space advertised (prefix length)	0.46199222
Percentage of IPv4 space advertised (3118073472/4294967295)	72.598305
Total address space advertised - corrected to 19 /8s	(data)
Average address span	3126
Average address span (as prefix size)	20.3899
Average prefix length	22.8965

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	524989	Specifics as % of FIB entries (524989/997408)	52.6353
Specifics as % of address span (1149458552/3118073472)	36.8644
Specifics where AS prepended Path matches aggregate	224617	AS-P_Path-Match % (224617/524989)	42.79
AS Path matches aggregate	245276	AS-Path-Match % (245276/524989)	46.7202
AS Origin matches aggregate	404356	AS-Origin-Match % (404356/524989)	77.0218
Root Prefixes	472419
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	415061
Root Prefixes with depth 1	46180
Root Prefixes with depth 2	9034
Root Prefixes with depth 3	1619
Root Prefixes with depth 4	408
Root Prefixes with depth 5	83
Root Prefixes with depth 6	28
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	76772	ASes visible in only one AS path	46173
Origin only ASes	65400	Origin ASs announced via a single AS path	45648
Transit only ASes	553	Originating AS ATOM count	76219
Mixed ASes	10819	Originating AS ATOM compression	0.0764
Multi-Origin Prefixes	1812
ASes originating a single prefix	26736
Average FIB entries per Origin AS	13.0861	Maximum entries for an origin AS (AS7713)	3694
Average address range span for an origin AS	40909.3989	Maximum address range for an origin AS (AS749)	228418048

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	249310	Unique AS prepended Paths	268693
AS Paths used in FIB	126676	AS Paths using prepending	71289
AS paths associated with a single FIB entry	59987	AS Paths using private ASs	53
Average AS path length	5.2682	Number of Prefixes with Selected AS Prepending Paths	153492
Maximum AS Path length	15	Number of Prefixes with AS Prepending Paths	153492
Average address weighted AS path length	6.6705	Maximum prepended AS Path length	91
Average entries per AS Path	4.0007	Average entries per FIB AS Path	7.8737
AS Paths per origin AS	3.2710	FIB AS Paths per origin AS	1.6620
AS PATH ATOM compression	0.1270

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	16	% Prefix /9	0.00
Prefix count /10	42	% Prefix /10	0.00
Prefix count /11	93	% Prefix /11	0.01
Prefix count /12	310	% Prefix /12	0.03
Prefix count /13	589	% Prefix /13	0.06
Prefix count /14	1229	% Prefix /14	0.12
Prefix count /15	2181	% Prefix /15	0.22
Prefix count /16	14002	% Prefix /16	1.40
Prefix count /17	8390	% Prefix /17	0.84
Prefix count /18	13990	% Prefix /18	1.40
Prefix count /19	25092	% Prefix /19	2.52
Prefix count /20	45750	% Prefix /20	4.59
Prefix count /21	53446	% Prefix /21	5.36
Prefix count /22	114114	% Prefix /22	11.44
Prefix count /23	105475	% Prefix /23	10.57
Prefix count /24	611940	% Prefix /24	61.35
Prefix count /25	697	% Prefix /25	0.07
Prefix count /26	0	% Prefix /26	0.00
Prefix count /27	2	% 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	32	% 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	42	% Prefix /10	0.01
Prefix count /11	86	% Prefix /11	0.02
Prefix count /12	273	% Prefix /12	0.06
Prefix count /13	491	% Prefix /13	0.10
Prefix count /14	1043	% Prefix /14	0.22
Prefix count /15	1670	% Prefix /15	0.35
Prefix count /16	11014	% Prefix /16	2.33
Prefix count /17	4442	% Prefix /17	0.94
Prefix count /18	6903	% Prefix /18	1.46
Prefix count /19	14823	% Prefix /19	3.14
Prefix count /20	18992	% Prefix /20	4.02
Prefix count /21	22411	% Prefix /21	4.74
Prefix count /22	59120	% Prefix /22	12.51
Prefix count /23	41992	% Prefix /23	8.89
Prefix count /24	289081	% Prefix /24	61.19
Prefix count /25	11	% 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	70400	% Addresses at AS distance 1	0.0
Addresses at AS distance 2	252984498	% Addresses at AS distance 2	5.9
Addresses at AS distance 3	1157688710	% Addresses at AS distance 3	27.1
Addresses at AS distance 4	1986294176	% Addresses at AS distance 4	46.5
Addresses at AS distance 5	660163872	% Addresses at AS distance 5	15.5
Addresses at AS distance 6	176384256	% Addresses at AS distance 6	4.1
Addresses at AS distance 7	24171776	% Addresses at AS distance 7	0.6
Addresses at AS distance 8	9175296	% Addresses at AS distance 8	0.2
Addresses at AS distance 9	536576	% Addresses at AS distance 9	0.0
Addresses at AS distance 10	52992	% Addresses at AS distance 10	0.0
Addresses at AS distance 11	8960	% 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	256	% Addresses at AS distance 13	0.0
Addresses at AS distance 14	0	% 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	70656	% Addresses reachable within 1 AS hops	0
Addresses reachable within 2 AS hops	253055154	% Addresses reachable within 2 AS hops	5
Addresses reachable within 3 AS hops	1410743864	% Addresses reachable within 3 AS hops	33
Addresses reachable within 4 AS hops	3397038040	% Addresses reachable within 4 AS hops	79
Addresses reachable within 5 AS hops	4057201912	% Addresses reachable within 5 AS hops	95
Addresses reachable within 6 AS hops	4233586168	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	4257757944	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	4266933240	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	4267469816	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	4267522808	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	4267531768	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	4267531768	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	4267532024	% Addresses reachable within 13 AS hops	100
Addresses reachable within 14 AS hops	4267532024	% 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	360	% ASes reachable at 2 AS hops	0
ASes reachable at 3 AS hops	9437	% ASes reachable at 3 AS hops	12
ASes reachable at 4 AS hops	28925	% ASes reachable at 4 AS hops	37
ASes reachable at 5 AS hops	28479	% ASes reachable at 5 AS hops	37
ASes reachable at 6 AS hops	7576	% ASes reachable at 6 AS hops	9
ASes reachable at 7 AS hops	1578	% ASes reachable at 7 AS hops	2
ASes reachable at 8 AS hops	336	% ASes reachable at 8 AS hops	0
ASes reachable at 9 AS hops	59	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	17	% ASes reachable at 10 AS hops	0
ASes reachable at 11 AS hops	2	% ASes reachable at 11 AS hops	0
ASes reachable at 12 AS hops	0	% ASes reachable at 12 AS hops	0
ASes reachable at 13 AS hops	0	% ASes reachable at 13 AS hops	0
ASes reachable at 14 AS hops	0	% 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	363	Cumulative % ASes by AS hops 2	0.5
ASes reachable by 3 AS hops	9800	Cumulative % ASes by AS hops 3	12.8
ASes reachable by 4 AS hops	38725	Cumulative % ASes by AS hops 4	50.4
ASes reachable by 5 AS hops	67204	Cumulative % ASes by AS hops 5	87.5
ASes reachable by 6 AS hops	74780	Cumulative % ASes by AS hops 6	97.4
ASes reachable by 7 AS hops	76358	Cumulative % ASes by AS hops 7	99.5
ASes reachable by 8 AS hops	76694	Cumulative % ASes by AS hops 8	99.9
ASes reachable by 9 AS hops	76753	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	76770	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	76772	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	76772	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	76772	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	76772	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	5515	New Entries	236	Removed Entries	181	Updated Entries	5098
		Report		Report		Report
Address Span	13293345	Address Span	158209	Address Span	726272	Address Span	12408864
Average address span per update	2410	Avg Span	670	Avg Span	4012	Avg Span	2434
Average prefix size updated	23.17	Average prefix size	23.72	Average prefix size	23.52	Average prefix size	23.13
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /13 total	1	Prefix /13 announcements	0	Prefix /13 withdrawals	1	Prefix /13 path updates	0
Prefix /14 total	3	Prefix /14 announcements	0	Prefix /14 withdrawals	0	Prefix /14 path updates	3
Prefix /15 total	13	Prefix /15 announcements	0	Prefix /15 withdrawals	0	Prefix /15 path updates	13
Prefix /16 total	56	Prefix /16 announcements	0	Prefix /16 withdrawals	2	Prefix /16 path updates	54
Prefix /17 total	44	Prefix /17 announcements	1	Prefix /17 withdrawals	0	Prefix /17 path updates	43
Prefix /18 total	83	Prefix /18 announcements	1	Prefix /18 withdrawals	0	Prefix /18 path updates	82
Prefix /19 total	102	Prefix /19 announcements	3	Prefix /19 withdrawals	0	Prefix /19 path updates	99
Prefix /20 total	222	Prefix /20 announcements	3	Prefix /20 withdrawals	1	Prefix /20 path updates	218
Prefix /21 total	174	Prefix /21 announcements	3	Prefix /21 withdrawals	4	Prefix /21 path updates	167
Prefix /22 total	453	Prefix /22 announcements	8	Prefix /22 withdrawals	12	Prefix /22 path updates	433
Prefix /23 total	608	Prefix /23 announcements	10	Prefix /23 withdrawals	20	Prefix /23 path updates	578
Prefix /24 total	3516	Prefix /24 announcements	206	Prefix /24 withdrawals	141	Prefix /24 path updates	3169
Prefix /25 total	238	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	238
Prefix /26 total	0	Prefix /26 announcements	0	Prefix /26 withdrawals	0	Prefix /26 path updates	0
Prefix /27 total	1	Prefix /27 announcements	0	Prefix /27 withdrawals	0	Prefix /27 path updates	1
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	1	Prefix /32 announcements	1	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	0.31	Prefix /13 announcements	0.00	Prefix /13 withdrawals	9.36	Prefix /13 path updates	0.00
Prefix /14 total	0.44	Prefix /14 announcements	0.00	Prefix /14 withdrawals	0.00	Prefix /14 path updates	0.48
Prefix /15 total	1.08	Prefix /15 announcements	0.00	Prefix /15 withdrawals	0.00	Prefix /15 path updates	1.17
Prefix /16 total	0.72	Prefix /16 announcements	0.00	Prefix /16 withdrawals	0.79	Prefix /16 path updates	0.75
Prefix /17 total	0.95	Prefix /17 announcements	0.50	Prefix /17 withdrawals	0.00	Prefix /17 path updates	1.00
Prefix /18 total	1.07	Prefix /18 announcements	0.30	Prefix /18 withdrawals	0.00	Prefix /18 path updates	1.15
Prefix /19 total	0.74	Prefix /19 announcements	0.51	Prefix /19 withdrawals	0.00	Prefix /19 path updates	0.77
Prefix /20 total	0.88	Prefix /20 announcements	0.28	Prefix /20 withdrawals	0.12	Prefix /20 path updates	0.93
Prefix /21 total	0.59	Prefix /21 announcements	0.24	Prefix /21 withdrawals	0.41	Prefix /21 path updates	0.61
Prefix /22 total	0.72	Prefix /22 announcements	0.30	Prefix /22 withdrawals	0.58	Prefix /22 path updates	0.74
Prefix /23 total	1.04	Prefix /23 announcements	0.40	Prefix /23 withdrawals	1.04	Prefix /23 path updates	1.07
Prefix /24 total	1.04	Prefix /24 announcements	1.42	Prefix /24 withdrawals	1.27	Prefix /24 path updates	1.01
Prefix /25 total	61.75	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	66.81
Prefix /26 total	0.00	Prefix /26 announcements	100.00	Prefix /26 withdrawals	100.00	Prefix /26 path updates	100.00
Prefix /27 total	90.43	Prefix /27 announcements	0.00	Prefix /27 withdrawals	0.00	Prefix /27 path updates	97.82
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	5.65	Prefix /32 announcements	132.07	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	5515.000	New Entries	236.000	Removed Entries	181.000	Updated Entries	5098.000
Address Span	13293345.000	Address Span	158209.000	Address Span	726272.000	Address Span	12408864.000
Average address span per update	2410.000	Avg Span	670.000	Avg Span	4012.000	Avg Span	2434.000
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	1.000	Prefix /13 announcements	0.000	Prefix /13 withdrawals	1.000	Prefix /13 path updates	0.000
Prefix /14 update rate	3.000	Prefix /14 announcements	0.000	Prefix /14 withdrawals	0.000	Prefix /14 path updates	3.000
Prefix /15 update rate	13.000	Prefix /15 announcements	0.000	Prefix /15 withdrawals	0.000	Prefix /15 path updates	13.000
Prefix /16 update rate	56.000	Prefix /16 announcements	0.000	Prefix /16 withdrawals	2.000	Prefix /16 path updates	54.000
Prefix /17 update rate	44.000	Prefix /17 announcements	1.000	Prefix /17 withdrawals	0.000	Prefix /17 path updates	43.000
Prefix /18 update rate	83.000	Prefix /18 announcements	1.000	Prefix /18 withdrawals	0.000	Prefix /18 path updates	82.000
Prefix /19 update rate	102.000	Prefix /19 announcements	3.000	Prefix /19 withdrawals	0.000	Prefix /19 path updates	99.000
Prefix /20 update rate	222.000	Prefix /20 announcements	3.000	Prefix /20 withdrawals	1.000	Prefix /20 path updates	218.000
Prefix /21 update rate	174.000	Prefix /21 announcements	3.000	Prefix /21 withdrawals	4.000	Prefix /21 path updates	167.000
Prefix /22 update rate	453.000	Prefix /22 announcements	8.000	Prefix /22 withdrawals	12.000	Prefix /22 path updates	433.000
Prefix /23 update rate	608.000	Prefix /23 announcements	10.000	Prefix /23 withdrawals	20.000	Prefix /23 path updates	578.000
Prefix /24 update rate	3516.000	Prefix /24 announcements	206.000	Prefix /24 withdrawals	141.000	Prefix /24 path updates	3169.000
Prefix /25 update rate	238.000	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	238.000
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	1.000	Prefix /27 announcements	0.000	Prefix /27 withdrawals	0.000	Prefix /27 path updates	1.000
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	1.000	Prefix /32 announcements	1.000	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

1268

378

531

276

Report

/14 Tot

/14 Org

/14 Nxt

/14 Trn

/14 Fst

/14 Prp

/15 Tot

/15 Org

/15 Nxt

/15 Trn

/15 Fst

/15 Prp

/16 Tot

/16 Org

/16 Nxt

/16 Trn

/16 Fst

/16 Prp

/17 Tot

/17 Org

/17 Nxt

/17 Trn

/17 Fst

/17 Prp

/18 Tot

/18 Org

/18 Nxt

/18 Trn

/18 Fst

/18 Prp

/19 Tot

/19 Org

/19 Nxt

/19 Trn

/19 Fst

/19 Prp

/20 Tot

218

/20 Org

/20 Nxt

/20 Trn

/20 Fst

/20 Prp

/21 Tot

167

/21 Org

/21 Nxt

/21 Trn

/21 Fst

/21 Prp

/22 Tot

433

/22 Org

/22 Nxt

136

/22 Trn

/22 Fst

219

/22 Prp

/23 Tot

578

/23 Org

/23 Nxt

169

/23 Trn

125

/23 Fst

280

/23 Prp

/24 Tot

3169

/24 Org

/24 Nxt

1386

/24 Trn

632

/24 Fst

1089

/24 Prp

/25 Tot

238

/25 Org

/25 Nxt

/25 Trn

/25 Fst

160

/25 Prp

/26 Tot

/26 Org

/26 Nxt

/26 Trn

/26 Fst

/26 Prp

/27 Tot

/27 Org

/27 Nxt

/27 Trn

/27 Fst

/27 Prp

/28 Tot

/28 Org

/28 Nxt

/28 Trn

/28 Fst

/28 Prp

/29 Tot

/29 Org

/29 Nxt

/29 Trn

/29 Fst

/29 Prp

/30 Tot

/30 Org

/30 Nxt

/30 Trn

/30 Fst

/30 Prp

/31 Tot

/31 Org

/31 Nxt

/31 Trn

/31 Fst

/31 Prp

/32 Tot

/32 Org

/32 Nxt

/32 Trn

/32 Fst

/32 Prp

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	10	% AS's announcing span of /6	0.0001
AS's announcing span of /7	22	% AS's announcing span of /7	0.0003
AS's announcing span of /8	45	% AS's announcing span of /8	0.0006
AS's announcing span of /9	73	% AS's announcing span of /9	0.0010
AS's announcing span of /10	103	% AS's announcing span of /10	0.0014
AS's announcing span of /11	169	% AS's announcing span of /11	0.0022
AS's announcing span of /12	241	% AS's announcing span of /12	0.0032
AS's announcing span of /13	402	% AS's announcing span of /13	0.0053
AS's announcing span of /14	836	% AS's announcing span of /14	0.0110
AS's announcing span of /15	1675	% AS's announcing span of /15	0.0220
AS's announcing span of /16	1763	% AS's announcing span of /16	0.0232
AS's announcing span of /17	2466	% AS's announcing span of /17	0.0324
AS's announcing span of /18	3743	% AS's announcing span of /18	0.0492
AS's announcing span of /19	5114	% AS's announcing span of /19	0.0672
AS's announcing span of /20	7545	% AS's announcing span of /20	0.0991
AS's announcing span of /21	10493	% AS's announcing span of /21	0.1378
AS's announcing span of /22	12803	% AS's announcing span of /22	0.1682
AS's announcing span of /23	9730	% AS's announcing span of /23	0.1278
AS's announcing span of /24	18876	% AS's announcing span of /24	0.2479
AS's announcing span of /25	17	% 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.

`¡¶R` `¡¶R` `¡¶R`

AS Connectivity Report	Data
AS Adjacency Count	128074
Average AS Connectivity Degree (256148/76772)	3.3365
Average AS Connectivity IN:OUT Degree	0.1560
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	557431	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	540456	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	374733	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	374757	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 Jan 21 07:01:09 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