	AS6447 IPv6 BGP Table Data
	BGP data obtained from AS6447. Report last updated at Wed Feb 8 16:40:00 2012 (Australian Eastern Time).		Other BGP Metrics

Active BGP entries (FIB)

Table Size Metrics

The trend of the size of the BGP Forwarding Table (FIB) and 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)	7952	Change in FIB Size	-2	Change (%)	-0.025
All BGP entries (RIB)	7953
RIB/FIB ratio (7953/7952)	1.0001
Valid entries	7953

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 (/64 equiv)	249726845648904
Total address space advertised (prefix)	16.1727
Percentage of IPv6 space advertised (249726845648904/18446744073709551615)	0.001354
Average address span	31404281394
Average address span (as prefix size)	29.1298
Average prefix length	38.9889

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	1979	Specifics as % of FIB entries (1979/7952)	24.8868
Specifics as % of address span (1790080187980/249726845648904)	0.7168
Specifics where AS prepended Path matches aggregate	817	AS-P_Path-Match % (817/1979)	41.28
AS Path matches aggregate	850	AS-Path-Match % (850/1979)	42.9510
AS Origin matches aggregate	1192	AS-Origin-Match % (1192/1979)	60.2324
Root Prefixes	5973
Root Prefix Tree Depth	(data)
Root Prefixes with depth 0	5931
Root Prefixes with depth 1	34
Root Prefixes with depth 2	7
Root Prefixes with depth 3	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	5139	ASes visible in only one AS path	4031
Origin only ASes	4020	Origin ASs announced via a single AS path	3801
Transit only ASes	89	Originating AS ATOM count	5050
Mixed ASes	1030	Originating AS ATOM compression	0.6351
Multi-Origin Prefixes	55
ASes originating a single prefix	4064
Average entries per origin AS	1.5747	Maximum entries for an origin AS (AS20940)	99
Average address range span for an origin AS	49450860524.5354
Maximum address range for an origin AS (AS5511)	35188667121664
Maximum address range (prefix length) for an origin AS (AS5511)	19.00
Average address range span for an origin AS (pfx length)	28.4747

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	65918	Unique AS prepended Paths	66257
AS Paths used in FIB	5455	AS Paths using prepending	4632
AS paths associated with a single FIB entry	4550	AS Paths using private ASs	11
Average AS path length	3.6666	Maximum AS Path length	12
Average address weighted AS path length	3.4232	Maximum prepended AS Path length	16
Average entries per AS Path	0.1206	Average entries per FIB AS Path	1.4577
AS Paths per origin AS	13.0531	FIB AS Paths per origin AS	1.0802
AS PATH ATOM compression	0.6860

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 /19	2	% Prefix /19	0.03
Prefix count /20	5	% Prefix /20	0.06
Prefix count /21	3	% Prefix /21	0.04
Prefix count /22	5	% Prefix /22	0.06
Prefix count /23	5	% Prefix /23	0.06
Prefix count /24	7	% Prefix /24	0.09
Prefix count /25	4	% Prefix /25	0.05
Prefix count /26	8	% Prefix /26	0.10
Prefix count /27	12	% Prefix /27	0.15
Prefix count /28	28	% Prefix /28	0.35
Prefix count /29	16	% Prefix /29	0.20
Prefix count /30	14	% Prefix /30	0.18
Prefix count /31	12	% Prefix /31	0.15
Prefix count /32	3926	% Prefix /32	49.37
Prefix count /33	92	% Prefix /33	1.16
Prefix count /34	67	% Prefix /34	0.84
Prefix count /35	92	% Prefix /35	1.16
Prefix count /36	230	% Prefix /36	2.89
Prefix count /37	6	% Prefix /37	0.08
Prefix count /38	33	% Prefix /38	0.41
Prefix count /39	14	% Prefix /39	0.18
Prefix count /40	328	% Prefix /40	4.12
Prefix count /41	10	% Prefix /41	0.13
Prefix count /42	21	% Prefix /42	0.26
Prefix count /43	27	% Prefix /43	0.34
Prefix count /44	118	% Prefix /44	1.48
Prefix count /45	14	% Prefix /45	0.18
Prefix count /46	60	% Prefix /46	0.75
Prefix count /47	40	% Prefix /47	0.50
Prefix count /48	2642	% Prefix /48	33.22
Prefix count /49	4	% Prefix /49	0.05
Prefix count /50	1	% Prefix /50	0.01
Prefix count /51	3	% Prefix /51	0.04
Prefix count /52	5	% Prefix /52	0.06
Prefix count /56	14	% Prefix /56	0.18
Prefix count /64	42	% Prefix /64	0.53
Prefix count /80	1	% Prefix /80	0.01
Prefix count /126	1	% Prefix /126	0.01
Prefix count /127	2	% Prefix /127	0.03
Prefix count /128	38	% Prefix /128	0.48

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 /19	2	% Prefix /19	0.05
Prefix count /20	5	% Prefix /20	0.13
Prefix count /21	3	% Prefix /21	0.08
Prefix count /22	5	% Prefix /22	0.13
Prefix count /23	5	% Prefix /23	0.13
Prefix count /24	7	% Prefix /24	0.18
Prefix count /25	3	% Prefix /25	0.08
Prefix count /26	7	% Prefix /26	0.18
Prefix count /27	12	% Prefix /27	0.30
Prefix count /28	23	% Prefix /28	0.58
Prefix count /29	14	% Prefix /29	0.35
Prefix count /30	11	% Prefix /30	0.28
Prefix count /31	7	% Prefix /31	0.18
Prefix count /32	3873	% Prefix /32	97.38
Prefix count /33	29	% Prefix /33	0.00
Prefix count /34	37	% Prefix /34	0.00
Prefix count /35	39	% Prefix /35	0.00
Prefix count /36	124	% Prefix /36	0.00
Prefix count /37	2	% Prefix /37	0.00
Prefix count /38	4	% Prefix /38	0.00
Prefix count /39	1	% Prefix /39	0.00
Prefix count /40	128	% Prefix /40	0.00
Prefix count /41	6	% Prefix /41	0.00
Prefix count /42	2	% Prefix /42	0.00
Prefix count /43	4	% Prefix /43	0.00
Prefix count /44	49	% Prefix /44	0.00
Prefix count /45	11	% Prefix /45	0.00
Prefix count /46	31	% Prefix /46	0.00
Prefix count /47	24	% Prefix /47	0.00
Prefix count /48	1497	% Prefix /48	0.00
Prefix count /64	7	% Prefix /64	0.00
Prefix count /128	1	% Prefix /128	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	0	% Addresses at AS distance 0	0
Addresses at AS distance 1	2564800905217	% Addresses at AS distance 1	1
Addresses at AS distance 2	157355515579200	% Addresses at AS distance 2	62
Addresses at AS distance 3	80747797442832	% Addresses at AS distance 3	32
Addresses at AS distance 4	10476184502787	% Addresses at AS distance 4	4
Addresses at AS distance 5	333703151616	% Addresses at AS distance 5	0
Addresses at AS distance 6	30334255104	% Addresses at AS distance 6	0
Addresses at AS distance 7	4295032832	% Addresses at AS distance 7	0
Addresses at AS distance 8	4294967296	% Addresses at AS distance 8	0
Addresses at AS distance 9	0	% Addresses at AS distance 9	0
Addresses at AS distance 10	0	% Addresses at AS distance 10	0
Addresses at AS distance 11	0	% Addresses at AS distance 11	0

Cumulative Address by AS distance	(data)	Cumulative % Address by AS distance	(data)
Addresses reachable within 0 AS hops	0	% Addresses reachable within 0 AS hops	0
Addresses reachable within 1 AS hops	2564800905217	% Addresses reachable within 1 AS hops	1
Addresses reachable within 2 AS hops	159920316484417	% Addresses reachable within 2 AS hops	63
Addresses reachable within 3 AS hops	240668113927249	% Addresses reachable within 3 AS hops	95
Addresses reachable within 4 AS hops	251144298430036	% Addresses reachable within 4 AS hops	99
Addresses reachable within 5 AS hops	251478001581652	% Addresses reachable within 5 AS hops	99
Addresses reachable within 6 AS hops	251508335836756	% Addresses reachable within 6 AS hops	99
Addresses reachable within 7 AS hops	251512630869588	% Addresses reachable within 7 AS hops	99
Addresses reachable within 8 AS hops	251516925836884	% Addresses reachable within 8 AS hops	100
Addresses reachable within 9 AS hops	251516925836884	% Addresses reachable within 9 AS hops	100
Addresses reachable within 10 AS hops	251516925836884	% Addresses reachable within 10 AS hops	100
Addresses reachable within 11 AS hops	251516925836884	% Addresses reachable within 11 AS hops	100

ASes by AS distance	(data)	% ASes by AS hops	(data)
ASes reachable at 0 AS hops	3	% ASes reachable at 0 AS hops	0
ASes reachable at 1 AS hops	12	% ASes reachable at 1 AS hops	0
ASes reachable at 2 AS hops	2203	% ASes reachable at 2 AS hops	42
ASes reachable at 3 AS hops	2300	% ASes reachable at 3 AS hops	44
ASes reachable at 4 AS hops	531	% ASes reachable at 4 AS hops	10
ASes reachable at 5 AS hops	74	% ASes reachable at 5 AS hops	1
ASes reachable at 6 AS hops	13	% ASes reachable at 6 AS hops	0
ASes reachable at 7 AS hops	2	% ASes reachable at 7 AS hops	0
ASes reachable at 8 AS hops	1	% ASes reachable at 8 AS hops	0
ASes reachable at 9 AS hops	0	% ASes reachable at 9 AS hops	0
ASes reachable at 10 AS hops	0	% ASes reachable at 10 AS hops	0
ASes reachable at 11 AS hops	0	% ASes reachable at 11 AS hops	0

Cumulative ASes by AS hops	(data)	Cumulative % ASes by AS hops	(data)
ASes reachable by 0 AS hops	3	Cumulative % ASes by AS hops 0	0
ASes reachable by 1 AS hops	15	Cumulative % ASes by AS hops 1	0
ASes reachable by 2 AS hops	2218	Cumulative % ASes by AS hops 2	43
ASes reachable by 3 AS hops	4518	Cumulative % ASes by AS hops 3	87
ASes reachable by 4 AS hops	5049	Cumulative % ASes by AS hops 4	98
ASes reachable by 5 AS hops	5123	Cumulative % ASes by AS hops 5	99
ASes reachable by 6 AS hops	5136	Cumulative % ASes by AS hops 6	99
ASes reachable by 7 AS hops	5138	Cumulative % ASes by AS hops 7	99
ASes reachable by 8 AS hops	5139	Cumulative % ASes by AS hops 8	100
ASes reachable by 9 AS hops	5139	Cumulative % ASes by AS hops 9	100
ASes reachable by 10 AS hops	5139	Cumulative % ASes by AS hops 10	100
ASes reachable by 11 AS hops	5139	Cumulative % ASes by AS hops 11	100

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 /18	1	% AS's announcing span of /18	0.0002
AS's announcing span of /19	4	% AS's announcing span of /19	0.0008
AS's announcing span of /20	4	% AS's announcing span of /20	0.0008
AS's announcing span of /21	5	% AS's announcing span of /21	0.0010
AS's announcing span of /22	5	% AS's announcing span of /22	0.0010
AS's announcing span of /23	6	% AS's announcing span of /23	0.0012
AS's announcing span of /24	6	% AS's announcing span of /24	0.0012
AS's announcing span of /25	3	% AS's announcing span of /25	0.0006
AS's announcing span of /26	10	% AS's announcing span of /26	0.0020
AS's announcing span of /27	18	% AS's announcing span of /27	0.0036
AS's announcing span of /28	23	% AS's announcing span of /28	0.0046
AS's announcing span of /29	23	% AS's announcing span of /29	0.0046
AS's announcing span of /30	84	% AS's announcing span of /30	0.0167
AS's announcing span of /31	501	% AS's announcing span of /31	0.0997
AS's announcing span of /32	2886	% AS's announcing span of /32	0.5742
AS's announcing span of /33	27	% AS's announcing span of /33	0.0054
AS's announcing span of /34	32	% AS's announcing span of /34	0.0064
AS's announcing span of /35	37	% AS's announcing span of /35	0.0074
AS's announcing span of /36	45	% AS's announcing span of /36	0.0090
AS's announcing span of /37	5	% AS's announcing span of /37	0.0010
AS's announcing span of /38	9	% AS's announcing span of /38	0.0018
AS's announcing span of /39	24	% AS's announcing span of /39	0.0048
AS's announcing span of /40	46	% AS's announcing span of /40	0.0092
AS's announcing span of /41	8	% AS's announcing span of /41	0.0016
AS's announcing span of /42	10	% AS's announcing span of /42	0.0020
AS's announcing span of /43	26	% AS's announcing span of /43	0.0052
AS's announcing span of /44	41	% AS's announcing span of /44	0.0082
AS's announcing span of /45	28	% AS's announcing span of /45	0.0056
AS's announcing span of /46	83	% AS's announcing span of /46	0.0165
AS's announcing span of /47	103	% AS's announcing span of /47	0.0205
AS's announcing span of /48	917	% AS's announcing span of /48	0.1825
AS's announcing span of /50	2	% AS's announcing span of /50	0.0004
AS's announcing span of /54	1	% AS's announcing span of /54	0.0002
AS's announcing span of /63	1	% AS's announcing span of /63	0.0002
AS's announcing span of /64	2	% AS's announcing span of /64	0.0004

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 roiginating 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.

AS Connectivity Report	Data
Average AS Connectivity Degree (20458/5139)	3.9809
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.

Route Aggregation Reports	Data
Aggregation Potential Summary	(data)
Aggregation using prepended AS Path	6803	Report (sort by %reduction)	Report (sort by reduction)
Aggregation using AS Path	6773	Report (sort by %reduction)	Report (sort by reduction)
Aggregation using AS Origin	6386	Report (sort by %reduction)	Report (sort by reduction)

AS6447 IPv6 BGP Table Data