BGP map for 2607:f438::/32

2607:f438::/32 is announced by AS23520 Columbus Networks USA, Inc. and seen by 335 peers of 23 RIPE RIS collectors, over 251 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (39%), AS6830 LibertyGlobal (34%) and AS174 Cogent Communications, LLC (23%). The most common path, used by 11 peers, is AS24482 AS2914 AS6830 AS23520.

Routes checked 02:50:00 UTC

No change in the origin, the upstreams or the number of peers since 02:50 UTC, when this site first looked at 2607:f438::/32.

AS-path graph toward 2607:f438::/32

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 335 peers (3%) number on a line = peers using that link RIS data up to 02:49 UTC what the colours mean 12 of 251 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

335collector peers

23RIS collectors

251distinct AS paths

3.5average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	130	39%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.	113	34%
AS174 Cogent Communications, LLC	76	23%
AS3303 SWISSCOM Swisscom (Schweiz) AG	8	2%
AS60068 CDN77 Datacamp Limited	4	1%
AS7195 EDGEUNO S.A.S	2	<1%
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S.	1	<1%
AS199524 GCORE G-Core Labs S.A.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	128	38%
AS6830 LibertyGlobal Liberty Global Europe Holding B.V.	111	33%
AS174 Cogent Communications, LLC	76	23%
AS6939 Hurricane Electric LLC	43	13%
AS2914 NTT America, Inc.	15	4%
AS3303 SWISSCOM Swisscom (Schweiz) AG	8	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS3356 Level 3 Parent, LLC	5	1%
AS60068 CDN77 Datacamp Limited	4	1%
AS3257 GTT-BACKBONE GTT Communications Inc.	4	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	AS24482 AS2914 AS6830 AS23520	11	3%	11
2	AS8218 AS6830 AS23520	7	2%	6
3	AS199524 AS1299 AS23520	6	2%	6
4	AS6939 AS1299 AS23520	5	1%	5
5	AS9002 AS6830 AS23520	5	1%	5
6	AS6939 AS6830 AS23520	4	1%	4
7	AS13030 AS1299 AS23520	4	1%	4
8	AS14840 AS174 AS23520	4	1%	2
9	AS12779 AS174 AS23520	4	1%	4
10	AS14907 AS1299 AS23520	3	<1%	3
11	AS48185 AS1299 AS23520	3	<1%	3
12	AS6461 AS174 AS23520	3	<1%	3
13	AS15547 AS3303 AS23520	3	<1%	3
14	AS25091 AS6830 AS23520	3	<1%	3
15	AS1299 AS23520	2	<1%	2
16	AS6830 AS23520	2	<1%	2
17	AS2497 AS174 AS23520	2	<1%	2
18	AS19151 AS174 AS23520	2	<1%	2
19	AS6762 AS1299 AS23520	2	<1%	2
20	AS852 AS1299 AS23520	2	<1%	2
21	AS37721 AS6830 AS23520	2	<1%	1
22	AS31027 AS1299 AS23520	2	<1%	1
23	AS8529 AS1299 AS23520	2	<1%	2
24	AS2914 AS6830 AS23520	2	<1%	2
25	AS6667 AS6830 AS23520	2	<1%	2
26	AS34019 AS6830 AS23520	2	<1%	2
27	AS3320 AS1299 AS23520	2	<1%	2
28	AS25160 AS174 AS23520	2	<1%	2
29	AS47147 AS1299 AS23520	2	<1%	2
30	AS49544 AS6830 AS23520	2	<1%	2
31	AS42473 AS1299 AS23520	2	<1%	2
32	AS917 AS60068 AS23520	2	<1%	2
33	AS59890 AS60068 AS23520	2	<1%	2
34	AS48362 AS1299 AS23520	2	<1%	2
35	AS3491 AS174 AS23520	2	<1%	2
36	AS1403 AS577 AS6830 AS23520	2	<1%	1
37	AS58057 AS34549 AS1299 AS23520	2	<1%	2
38	AS49544 AS3356 AS1299 AS23520	2	<1%	1
39	AS142289 AS9583 AS1299 AS23520	2	<1%	1
40	AS3214 AS6939 AS6830 AS23520	2	<1%	2
41	AS47692 AS6939 AS6830 AS23520	2	<1%	2
42	AS51184 AS6939 AS6830 AS23520	2	<1%	2
43	AS62167 AS6939 AS1299 AS23520	2	<1%	2
44	AS202032 AS6939 AS6830 AS23520	2	<1%	2
45	AS28917 AS3257 AS174 AS23520	2	<1%	1
46	AS58057 AS6939 AS6830 AS23520	2	<1%	1
47	AS206271 AS60707 AS12735 AS9121 AS1299 AS23520	2	<1%	1
48	AS52320 AS23520	1	<1%	1
49	AS199524 AS23520	1	<1%	1
50	AS21700 AS174 AS23520	1	<1%	1

50 of 251 paths shown. All of them are in the JSON.

More prefixes from AS23520

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 02:49 UTC, fetched just now.