BGP map for 2001:370:a::/48

2001:370:a::/48 is announced by AS9607 BroadBand Tower, Inc. and seen by 374 peers of 23 RIPE RIS collectors, over 258 different AS paths. Its busiest upstreams are AS4637 Telstra Global (55%), AS8220 COLT (32%) and AS2497 Internet Initiative Japan Inc. (11%). The most common path, used by 20 peers, is AS6939 AS4637 AS9607.

Routes checked 06:25:10 UTC

No change in the origin, the upstreams or the number of peers since 06:25 UTC, when this site first looked at 2001:370:a::/48.

AS-path graph toward 2001:370:a::/48

origin Tier 1Tier 2edge network prefix best path: chosen by 20 of 374 peers (5%) number on a line = peers using that link RIS data up to 06:24 UTC what the colours mean 12 of 258 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

374collector peers

23RIS collectors

258distinct AS paths

3.5average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS4637 Telstra Global	206	55%
AS8220 COLT COLT Technology Services Group Limited	119	32%
AS2497 Internet Initiative Japan Inc.	43	11%
AS36236 NetActuate, Inc	1	<1%
AS1828 Unitas Global	1	<1%
AS35280 F5 F5 Networks SARL	1	<1%
AS49544 i3Dnet i3D.net B.V	1	<1%
AS7473 Singapore Telecommunications Ltd	1	<1%
AS23764 CTGNet	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS4637 Telstra Global	206	55%
AS6939 Hurricane Electric LLC	145	39%
AS8220 COLT COLT Technology Services Group Limited	105	28%
AS2497 Internet Initiative Japan Inc.	41	11%
AS1299 TWELVE99 Arelion Sweden AB	7	2%
AS5511 Opentransit Orange S.A.	5	1%
AS3356 Level 3 Parent, LLC	5	1%
AS9002 RETN-AS RETN Limited	4	1%
AS174 Cogent Communications, LLC	3	<1%
AS9583 Sify Limited	2	<1%

AS paths

Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.

#	Path, collector peer to origin	Peers	Share	Collectors
1	AS6939 AS4637 AS9607	20	5%	16
2	AS8220 AS9607	14	4%	13
3	AS24482 AS8220 AS9607	11	3%	11
4	AS8218 AS8220 AS9607	7	2%	6
5	AS9002 AS4637 AS9607	5	1%	5
6	AS6461 AS4637 AS9607	5	1%	5
7	AS12779 AS8220 AS9607	4	1%	4
8	AS58057 AS6939 AS4637 AS9607	4	1%	3
9	AS34927 AS6939 AS4637 AS9607	4	1%	3
10	AS14840 AS6939 AS4637 AS9607	4	1%	2
11	AS51185 AS8220 AS9607	3	<1%	3
12	AS2914 AS2497 AS9607	3	<1%	3
13	AS3491 AS8220 AS9607	3	<1%	3
14	AS15547 AS8220 AS9607	3	<1%	3
15	AS48185 AS6939 AS4637 AS9607	3	<1%	3
16	AS3214 AS6939 AS4637 AS9607	3	<1%	3
17	AS48362 AS6939 AS4637 AS9607	3	<1%	3
18	AS2497 AS9607	2	<1%	2
19	AS13030 AS2497 AS9607	2	<1%	2
20	AS199524 AS8220 AS9607	2	<1%	2
21	AS6762 AS4637 AS9607	2	<1%	2
22	AS852 AS8220 AS9607	2	<1%	2
23	AS14907 AS8220 AS9607	2	<1%	2
24	AS49544 AS8220 AS9607	2	<1%	2
25	AS31027 AS4637 AS9607	2	<1%	1
26	AS8529 AS4637 AS9607	2	<1%	2
27	AS1299 AS2497 AS9607	2	<1%	2
28	AS3257 AS4637 AS9607	2	<1%	2
29	AS6667 AS2497 AS9607	2	<1%	2
30	AS47147 AS4637 AS9607	2	<1%	2
31	AS47692 AS8220 AS9607	2	<1%	2
32	AS199524 AS4637 AS9607	2	<1%	2
33	AS3320 AS2497 AS9607	2	<1%	2
34	AS6830 AS2497 AS9607	2	<1%	2
35	AS14907 AS4637 AS9607	2	<1%	2
36	AS25160 AS8220 AS9607	2	<1%	2
37	AS42473 AS8220 AS9607	2	<1%	2
38	AS47147 AS8220 AS9607	2	<1%	2
39	AS1403 AS6939 AS4637 AS9607	2	<1%	1
40	AS50628 AS6939 AS4637 AS9607	2	<1%	2
41	AS37721 AS5511 AS2497 AS9607	2	<1%	1
42	AS142289 AS9583 AS8220 AS9607	2	<1%	1
43	AS34019 AS6939 AS4637 AS9607	2	<1%	2
44	AS51184 AS6939 AS4637 AS9607	2	<1%	2
45	AS62167 AS6939 AS4637 AS9607	2	<1%	2
46	AS202032 AS6939 AS4637 AS9607	2	<1%	2
47	AS199524 AS1299 AS2497 AS9607	2	<1%	2
48	AS28917 AS6939 AS4637 AS9607	2	<1%	1
49	AS59890 AS6939 AS4637 AS9607	2	<1%	2
50	AS20612 AS9044 AS8220 AS9607	2	<1%	1

50 of 258 paths shown. All of them are in the JSON.

More prefixes from AS9607

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 06:24 UTC, fetched just now.