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AS65000 BGP Routing Table Analysis Report


	BGP data obtained from AS65000 Report last updated at Tue Sep 26 07:10:13 2017 (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)	683805	Change in FIB Size	35	Change (%)	0.005
All BGP entries (RIB)	1338255
RIB/FIB ratio (1338255/683805)	1.9571
Valid entries	1338255
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)	2854778260
Total address space advertised (prefix length)	0.58926845
Percentage of IPv4 space advertised (2854778260/4294967295)	66.467986
Total address space advertised - corrected to 19 /8s	(data)
Average address span	4175
Average address span (as prefix size)	19.9728
Average prefix length	22.6378

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	363824	Specifics as % of FIB entries (363824/683805)	53.2058
Specifics as % of address span (1043135939/2854778260)	36.5400
Specifics where AS prepended Path matches aggregate	157581	AS-P_Path-Match % (157581/363824)	43.31
AS Path matches aggregate	166686	AS-Path-Match % (166686/363824)	45.8150
AS Origin matches aggregate	275806	AS-Origin-Match % (275806/363824)	75.8075
Root Prefixes	319981
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	277347
Root Prefixes with depth 1	34024
Root Prefixes with depth 2	6794
Root Prefixes with depth 3	1381
Root Prefixes with depth 4	340
Root Prefixes with depth 5	64
Root Prefixes with depth 6	24
Root Prefixes with depth 7	7

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	58770	ASes visible in only one AS path	37030
Origin only ASes	50486	Origin ASs announced via a single AS path	36701
Transit only ASes	259	Originating AS ATOM count	58511
Mixed ASes	8025	Originating AS ATOM compression	0.0856
Multi-Origin Prefixes	1936
ASes originating a single prefix	22080
Average entries per origin AS	11.6868	Maximum entries for an origin AS (AS7545)	3998
Average address range span for an origin AS	48790.4541	Maximum address range for an origin AS (AS4134)	121701888

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	171940	Unique AS prepended Paths	182924
AS Paths used in FIB	90318	AS Paths using prepending	40087
AS paths associated with a single FIB entry	41959	AS Paths using private ASs	46
Average AS path length	5.7101	Maximum AS Path length	16
Average address weighted AS path length	7.0120	Maximum prepended AS Path length	57
Average entries per AS Path	3.9770	Average entries per FIB AS Path	7.5711
AS Paths per origin AS	2.9386	FIB AS Paths per origin AS	1.5436
AS PATH ATOM compression	0.1321

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	15	% Prefix /8	0.00
Prefix count /9	13	% Prefix /9	0.00
Prefix count /10	36	% Prefix /10	0.01
Prefix count /11	106	% Prefix /11	0.02
Prefix count /12	285	% Prefix /12	0.04
Prefix count /13	555	% Prefix /13	0.08
Prefix count /14	1055	% Prefix /14	0.15
Prefix count /15	1879	% Prefix /15	0.27
Prefix count /16	13473	% Prefix /16	1.97
Prefix count /17	7914	% Prefix /17	1.16
Prefix count /18	13895	% Prefix /18	2.03
Prefix count /19	25714	% Prefix /19	3.76
Prefix count /20	40035	% Prefix /20	5.85
Prefix count /21	43895	% Prefix /21	6.42
Prefix count /22	81771	% Prefix /22	11.96
Prefix count /23	68470	% Prefix /23	10.01
Prefix count /24	381987	% Prefix /24	55.86
Prefix count /25	908	% Prefix /25	0.13
Prefix count /26	664	% Prefix /26	0.10
Prefix count /27	719	% Prefix /27	0.11
Prefix count /28	75	% Prefix /28	0.01
Prefix count /29	55	% Prefix /29	0.01
Prefix count /30	247	% Prefix /30	0.04
Prefix count /31	12	% Prefix /31	0.00
Prefix count /32	27	% 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	15	% Prefix /8	0.00
Prefix count /9	5	% Prefix /9	0.00
Prefix count /10	36	% Prefix /10	0.01
Prefix count /11	99	% Prefix /11	0.03
Prefix count /12	256	% Prefix /12	0.08
Prefix count /13	448	% Prefix /13	0.14
Prefix count /14	907	% Prefix /14	0.28
Prefix count /15	1492	% Prefix /15	0.47
Prefix count /16	10067	% Prefix /16	3.15
Prefix count /17	4368	% Prefix /17	1.37
Prefix count /18	7190	% Prefix /18	2.25
Prefix count /19	15057	% Prefix /19	4.71
Prefix count /20	18818	% Prefix /20	5.88
Prefix count /21	21137	% Prefix /21	6.61
Prefix count /22	43479	% Prefix /22	13.59
Prefix count /23	26093	% Prefix /23	8.15
Prefix count /24	170480	% Prefix /24	53.28
Prefix count /25	8	% Prefix /25	0.00
Prefix count /26	7	% Prefix /26	0.00
Prefix count /27	13	% Prefix /27	0.00
Prefix count /28	2	% Prefix /28	0.00
Prefix count /29	1	% Prefix /29	0.00
Prefix count /30	3	% 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	11776	% Addresses at AS distance 1	0.0
Addresses at AS distance 2	124258752	% Addresses at AS distance 2	3.2
Addresses at AS distance 3	994396635	% Addresses at AS distance 3	25.5
Addresses at AS distance 4	1450893358	% Addresses at AS distance 4	37.2
Addresses at AS distance 5	989860557	% Addresses at AS distance 5	25.4
Addresses at AS distance 6	264671181	% Addresses at AS distance 6	6.8
Addresses at AS distance 7	50996916	% Addresses at AS distance 7	1.3
Addresses at AS distance 8	16285792	% Addresses at AS distance 8	0.4
Addresses at AS distance 9	5539488	% Addresses at AS distance 9	0.1
Addresses at AS distance 10	960064	% Addresses at AS distance 10	0.0
Addresses at AS distance 11	35072	% 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	4352	% 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	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	12032	% Addresses reachable within 1 AS hops	0
Addresses reachable within 2 AS hops	124270784	% Addresses reachable within 2 AS hops	3
Addresses reachable within 3 AS hops	1118667419	% Addresses reachable within 3 AS hops	28
Addresses reachable within 4 AS hops	2569560777	% Addresses reachable within 4 AS hops	65
Addresses reachable within 5 AS hops	3559421334	% Addresses reachable within 5 AS hops	91
Addresses reachable within 6 AS hops	3824092515	% Addresses reachable within 6 AS hops	98
Addresses reachable within 7 AS hops	3875089431	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	3891375223	% Addresses reachable within 8 AS hops	99
Addresses reachable within 9 AS hops	3896914711	% Addresses reachable within 9 AS hops	99
Addresses reachable within 10 AS hops	3897874775	% Addresses reachable within 10 AS hops	99
Addresses reachable within 11 AS hops	3897909847	% Addresses reachable within 11 AS hops	99
Addresses reachable within 12 AS hops	3897909847	% Addresses reachable within 12 AS hops	99
Addresses reachable within 13 AS hops	3897914199	% Addresses reachable within 13 AS hops	100
Addresses reachable within 14 AS hops	3897914199	% Addresses reachable within 14 AS hops	100
Addresses reachable within 15 AS hops	3897914199	% 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	4	% ASes reachable at 1 AS hops	0
ASes reachable at 2 AS hops	93	% ASes reachable at 2 AS hops	0
ASes reachable at 3 AS hops	1112	% ASes reachable at 3 AS hops	1
ASes reachable at 4 AS hops	19283	% ASes reachable at 4 AS hops	32
ASes reachable at 5 AS hops	25622	% ASes reachable at 5 AS hops	43
ASes reachable at 6 AS hops	10202	% ASes reachable at 6 AS hops	17
ASes reachable at 7 AS hops	1990	% ASes reachable at 7 AS hops	3
ASes reachable at 8 AS hops	339	% ASes reachable at 8 AS hops	0
ASes reachable at 9 AS hops	99	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	23	% 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	0	% ASes reachable at 12 AS hops	0
ASes reachable at 13 AS hops	1	% ASes reachable at 13 AS hops	0
ASes reachable at 14 AS hops	0	% 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	5	Cumulative % ASes by AS hops 1	0.0
ASes reachable by 2 AS hops	98	Cumulative % ASes by AS hops 2	0.2
ASes reachable by 3 AS hops	1210	Cumulative % ASes by AS hops 3	2.1
ASes reachable by 4 AS hops	20493	Cumulative % ASes by AS hops 4	34.9
ASes reachable by 5 AS hops	46115	Cumulative % ASes by AS hops 5	78.5
ASes reachable by 6 AS hops	56317	Cumulative % ASes by AS hops 6	95.8
ASes reachable by 7 AS hops	58307	Cumulative % ASes by AS hops 7	99.2
ASes reachable by 8 AS hops	58646	Cumulative % ASes by AS hops 8	99.8
ASes reachable by 9 AS hops	58745	Cumulative % ASes by AS hops 9	100.0
ASes reachable by 10 AS hops	58768	Cumulative % ASes by AS hops 10	100.0
ASes reachable by 11 AS hops	58769	Cumulative % ASes by AS hops 11	100.0
ASes reachable by 12 AS hops	58769	Cumulative % ASes by AS hops 12	100.0
ASes reachable by 13 AS hops	58770	Cumulative % ASes by AS hops 13	100.0
ASes reachable by 14 AS hops	58770	Cumulative % ASes by AS hops 14	100.0
ASes reachable by 15 AS hops	58770	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	10599	New Entries	262	Removed Entries	225	Updated Entries	10112
		Report		Report		Report
Address Span	17402232	Address Span	625952	Address Span	330752	Address Span	16445528
Average address span per update	1641	Avg Span	2389	Avg Span	1470	Avg Span	1626
Average prefix size updated	23.44	Average prefix size	22.84	Average prefix size	23.27	Average prefix size	23.46
Per-Prefix updates	(data)	Prefix announcements	(data)	Prefix withdrawals	(data)	Prefix path updates	(data)
Prefix /13 total	3	Prefix /13 announcements	0	Prefix /13 withdrawals	0	Prefix /13 path updates	3
Prefix /14 total	6	Prefix /14 announcements	0	Prefix /14 withdrawals	0	Prefix /14 path updates	6
Prefix /15 total	5	Prefix /15 announcements	0	Prefix /15 withdrawals	0	Prefix /15 path updates	5
Prefix /16 total	44	Prefix /16 announcements	2	Prefix /16 withdrawals	2	Prefix /16 path updates	40
Prefix /17 total	61	Prefix /17 announcements	10	Prefix /17 withdrawals	1	Prefix /17 path updates	50
Prefix /18 total	106	Prefix /18 announcements	0	Prefix /18 withdrawals	2	Prefix /18 path updates	104
Prefix /19 total	155	Prefix /19 announcements	1	Prefix /19 withdrawals	1	Prefix /19 path updates	153
Prefix /20 total	429	Prefix /20 announcements	5	Prefix /20 withdrawals	9	Prefix /20 path updates	415
Prefix /21 total	382	Prefix /21 announcements	7	Prefix /21 withdrawals	8	Prefix /21 path updates	367
Prefix /22 total	919	Prefix /22 announcements	73	Prefix /22 withdrawals	18	Prefix /22 path updates	828
Prefix /23 total	867	Prefix /23 announcements	30	Prefix /23 withdrawals	28	Prefix /23 path updates	809
Prefix /24 total	6747	Prefix /24 announcements	133	Prefix /24 withdrawals	156	Prefix /24 path updates	6458
Prefix /25 total	264	Prefix /25 announcements	0	Prefix /25 withdrawals	0	Prefix /25 path updates	264
Prefix /26 total	278	Prefix /26 announcements	0	Prefix /26 withdrawals	0	Prefix /26 path updates	278
Prefix /27 total	259	Prefix /27 announcements	1	Prefix /27 withdrawals	0	Prefix /27 path updates	258
Prefix /28 total	29	Prefix /28 announcements	0	Prefix /28 withdrawals	0	Prefix /28 path updates	29
Prefix /29 total	10	Prefix /29 announcements	0	Prefix /29 withdrawals	0	Prefix /29 path updates	10
Prefix /30 total	27	Prefix /30 announcements	0	Prefix /30 withdrawals	0	Prefix /30 path updates	27
Prefix /31 total	4	Prefix /31 announcements	0	Prefix /31 withdrawals	0	Prefix /31 path updates	4
Prefix /32 total	4	Prefix /32 announcements	0	Prefix /32 withdrawals	0	Prefix /32 path updates	4
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	0.35	Prefix /13 announcements	0.00	Prefix /13 withdrawals	0.00	Prefix /13 path updates	0.37
Prefix /14 total	0.37	Prefix /14 announcements	0.00	Prefix /14 withdrawals	0.00	Prefix /14 path updates	0.38
Prefix /15 total	0.17	Prefix /15 announcements	0.00	Prefix /15 withdrawals	0.00	Prefix /15 path updates	0.18
Prefix /16 total	0.21	Prefix /16 announcements	0.39	Prefix /16 withdrawals	0.45	Prefix /16 path updates	0.20
Prefix /17 total	0.50	Prefix /17 announcements	3.30	Prefix /17 withdrawals	0.38	Prefix /17 path updates	0.43
Prefix /18 total	0.49	Prefix /18 announcements	0.00	Prefix /18 withdrawals	0.44	Prefix /18 path updates	0.51
Prefix /19 total	0.39	Prefix /19 announcements	0.10	Prefix /19 withdrawals	0.12	Prefix /19 path updates	0.40
Prefix /20 total	0.69	Prefix /20 announcements	0.33	Prefix /20 withdrawals	0.68	Prefix /20 path updates	0.70
Prefix /21 total	0.56	Prefix /21 announcements	0.42	Prefix /21 withdrawals	0.55	Prefix /21 path updates	0.57
Prefix /22 total	0.73	Prefix /22 announcements	2.33	Prefix /22 withdrawals	0.67	Prefix /22 path updates	0.68
Prefix /23 total	0.82	Prefix /23 announcements	1.14	Prefix /23 withdrawals	1.24	Prefix /23 path updates	0.80
Prefix /24 total	1.14	Prefix /24 announcements	0.91	Prefix /24 withdrawals	1.24	Prefix /24 path updates	1.14
Prefix /25 total	18.76	Prefix /25 announcements	0.00	Prefix /25 withdrawals	0.00	Prefix /25 path updates	19.66
Prefix /26 total	27.01	Prefix /26 announcements	0.00	Prefix /26 withdrawals	0.00	Prefix /26 path updates	28.31
Prefix /27 total	23.24	Prefix /27 announcements	3.63	Prefix /27 withdrawals	0.00	Prefix /27 path updates	24.27
Prefix /28 total	24.95	Prefix /28 announcements	0.00	Prefix /28 withdrawals	0.00	Prefix /28 path updates	26.15
Prefix /29 total	11.73	Prefix /29 announcements	0.00	Prefix /29 withdrawals	0.00	Prefix /29 path updates	12.30
Prefix /30 total	7.05	Prefix /30 announcements	0.00	Prefix /30 withdrawals	0.00	Prefix /30 path updates	7.39
Prefix /31 total	21.51	Prefix /31 announcements	0.00	Prefix /31 withdrawals	0.00	Prefix /31 path updates	22.54
Prefix /32 total	9.56	Prefix /32 announcements	0.00	Prefix /32 withdrawals	0.00	Prefix /32 path updates	10.02

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	10596.057	New Entries	261.927	Removed Entries	224.938	Updated Entries	10109.191
Address Span	17397400.000	Address Span	625778.188	Address Span	330660.156	Address Span	16440961.000
Average address span per update	1640.544	Avg Span	2388.337	Avg Span	1469.592	Avg Span	1625.548
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	2.999	Prefix /13 announcements	0.000	Prefix /13 withdrawals	0.000	Prefix /13 path updates	2.999
Prefix /14 update rate	5.998	Prefix /14 announcements	0.000	Prefix /14 withdrawals	0.000	Prefix /14 path updates	5.998
Prefix /15 update rate	4.999	Prefix /15 announcements	0.000	Prefix /15 withdrawals	0.000	Prefix /15 path updates	4.999
Prefix /16 update rate	43.988	Prefix /16 announcements	1.999	Prefix /16 withdrawals	1.999	Prefix /16 path updates	39.989
Prefix /17 update rate	60.983	Prefix /17 announcements	9.997	Prefix /17 withdrawals	1.000	Prefix /17 path updates	49.986
Prefix /18 update rate	105.971	Prefix /18 announcements	0.000	Prefix /18 withdrawals	1.999	Prefix /18 path updates	103.971
Prefix /19 update rate	154.957	Prefix /19 announcements	1.000	Prefix /19 withdrawals	1.000	Prefix /19 path updates	152.958
Prefix /20 update rate	428.881	Prefix /20 announcements	4.999	Prefix /20 withdrawals	8.998	Prefix /20 path updates	414.885
Prefix /21 update rate	381.894	Prefix /21 announcements	6.998	Prefix /21 withdrawals	7.998	Prefix /21 path updates	366.898
Prefix /22 update rate	918.745	Prefix /22 announcements	72.980	Prefix /22 withdrawals	17.995	Prefix /22 path updates	827.770
Prefix /23 update rate	866.759	Prefix /23 announcements	29.992	Prefix /23 withdrawals	27.992	Prefix /23 path updates	808.775
Prefix /24 update rate	6745.126	Prefix /24 announcements	132.963	Prefix /24 withdrawals	155.957	Prefix /24 path updates	6456.207
Prefix /25 update rate	263.927	Prefix /25 announcements	0.000	Prefix /25 withdrawals	0.000	Prefix /25 path updates	263.927
Prefix /26 update rate	277.923	Prefix /26 announcements	0.000	Prefix /26 withdrawals	0.000	Prefix /26 path updates	277.923
Prefix /27 update rate	258.928	Prefix /27 announcements	1.000	Prefix /27 withdrawals	0.000	Prefix /27 path updates	257.928
Prefix /28 update rate	28.992	Prefix /28 announcements	0.000	Prefix /28 withdrawals	0.000	Prefix /28 path updates	28.992
Prefix /29 update rate	9.997	Prefix /29 announcements	0.000	Prefix /29 withdrawals	0.000	Prefix /29 path updates	9.997
Prefix /30 update rate	26.993	Prefix /30 announcements	0.000	Prefix /30 withdrawals	0.000	Prefix /30 path updates	26.993
Prefix /31 update rate	3.999	Prefix /31 announcements	0.000	Prefix /31 withdrawals	0.000	Prefix /31 path updates	3.999
Prefix /32 update rate	3.999	Prefix /32 announcements	0.000	Prefix /32 withdrawals	0.000	Prefix /32 path updates	3.999

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

1998

197

489

892

406

Report

/13 Tot

/13 Org

/13 Nxt

/13 Trn

/13 Fst

/13 Prp

/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

104

/18 Org

/18 Nxt

/18 Trn

/18 Fst

/18 Prp

/19 Tot

153

/19 Org

/19 Nxt

/19 Trn

/19 Fst

/19 Prp

/20 Tot

415

/20 Org

/20 Nxt

140

/20 Trn

/20 Fst

231

/20 Prp

/21 Tot

367

/21 Org

/21 Nxt

111

/21 Trn

/21 Fst

192

/21 Prp

/22 Tot

828

/22 Org

/22 Nxt

271

/22 Trn

175

/22 Fst

371

/22 Prp

/23 Tot

809

/23 Org

/23 Nxt

276

/23 Trn

151

/23 Fst

377

/23 Prp

/24 Tot

6458

/24 Org

/24 Nxt

2640

/24 Trn

1044

/24 Fst

2714

/24 Prp

/25 Tot

264

/25 Org

/25 Nxt

/25 Trn

/25 Fst

174

/25 Prp

/26 Tot

278

/26 Org

/26 Nxt

/26 Trn

/26 Fst

181

/26 Prp

/27 Tot

258

/27 Org

/27 Nxt

/27 Trn

/27 Fst

173

/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 /5	7	% AS's announcing span of /5	0.0001
AS's announcing span of /6	8	% AS's announcing span of /6	0.0001
AS's announcing span of /7	26	% AS's announcing span of /7	0.0004
AS's announcing span of /8	42	% AS's announcing span of /8	0.0007
AS's announcing span of /9	74	% AS's announcing span of /9	0.0013
AS's announcing span of /10	111	% AS's announcing span of /10	0.0019
AS's announcing span of /11	172	% AS's announcing span of /11	0.0029
AS's announcing span of /12	216	% AS's announcing span of /12	0.0037
AS's announcing span of /13	456	% AS's announcing span of /13	0.0078
AS's announcing span of /14	864	% AS's announcing span of /14	0.0148
AS's announcing span of /15	1732	% AS's announcing span of /15	0.0296
AS's announcing span of /16	1782	% AS's announcing span of /16	0.0305
AS's announcing span of /17	2284	% AS's announcing span of /17	0.0391
AS's announcing span of /18	3552	% AS's announcing span of /18	0.0608
AS's announcing span of /19	4646	% AS's announcing span of /19	0.0795
AS's announcing span of /20	6070	% AS's announcing span of /20	0.1039
AS's announcing span of /21	7584	% AS's announcing span of /21	0.1298
AS's announcing span of /22	9123	% AS's announcing span of /22	0.1561
AS's announcing span of /23	5949	% AS's announcing span of /23	0.1018
AS's announcing span of /24	13712	% AS's announcing span of /24	0.2347
AS's announcing span of /25	15	% AS's announcing span of /25	0.0003
AS's announcing span of /26	7	% AS's announcing span of /26	0.0001
AS's announcing span of /27	3	% AS's announcing span of /27	0.0001
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	95871
Average AS Connectivity Degree (191742/58770)	3.2626
Average AS Connectivity IN:OUT Degree	0.1452
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	377565	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Path	368671	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Aggregation using AS Origin	261094	Report (sort by %reduction)	Report (sort by reduction)	BGP Table
Maximal Aggregation	261111	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 Sep 26 07:10:13 2017 (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 measurement by 86400 and add 25569, and then add the local offset to UTC