BGP map for 190.242.136.0/23

190.242.136.0/23 is announced by AS23520 Columbus Networks USA, Inc. and seen by 325 peers of 23 RIPE RIS collectors, over 256 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (36%), AS174 Cogent Communications, LLC (28%) and AS6762 SEABONE-NET (19%). The most common path, used by 9 peers, is AS24482 AS2914 AS6762 AS23520.

Routes checked 10:47:10 UTC

No change in the origin, the upstreams or the number of peers since 00:54 UTC on 29 Oct, when this site first looked at 190.242.136.0/23.

AS-path graph toward 190.242.136.0/23

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 325 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 256 paths drawn 5 quieter networks left out

View JSON Raw upstream

325collector peers

23RIS collectors

256distinct AS paths

3.4average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	117	36%
AS174 Cogent Communications, LLC	90	28%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	63	19%
AS3257 GTT-BACKBONE GTT Communications Inc.	36	11%
AS3303 SWISSCOM Swisscom (Schweiz) AG	9	3%
AS60068 CDN77 Datacamp Limited	4	1%
AS22356 Durand do Brasil Ltda	3	<1%
AS199524 GCORE G-Core Labs S.A.	1	<1%
AS286 KPN GTT Communications Inc.	1	<1%
AS64126 DOMINICAN TELECOM PRIME, DTP, S.R.L.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	115	35%
AS174 Cogent Communications, LLC	90	28%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	61	19%
AS3257 GTT-BACKBONE GTT Communications Inc.	35	11%
AS2914 NTT America, Inc.	21	6%
AS3303 SWISSCOM Swisscom (Schweiz) AG	9	3%
AS6461 Zayo Bandwidth	7	2%
AS3356 Level 3 Parent, LLC	7	2%
AS6939 Hurricane Electric LLC	5	2%
AS60068 CDN77 Datacamp Limited	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 AS6762 AS23520	9	3%	9
2	AS13030 AS1299 AS23520	4	1%	4
3	AS9002 AS3257 AS23520	4	1%	4
4	AS12779 AS3257 AS23520	4	1%	4
5	AS47147 AS1299 AS23520	4	1%	4
6	AS199524 AS1299 AS23520	4	1%	4
7	AS8218 AS6461 AS174 AS23520	4	1%	4
8	AS34927 AS1299 AS23520	3	<1%	3
9	AS48185 AS1299 AS23520	3	<1%	3
10	AS2914 AS6762 AS23520	3	<1%	3
11	AS6461 AS174 AS23520	3	<1%	3
12	AS34019 AS3303 AS23520	3	<1%	3
13	AS48362 AS1299 AS23520	3	<1%	3
14	AS51185 AS6762 AS23520	3	<1%	3
15	AS14840 AS6762 AS23520	3	<1%	2
16	AS1299 AS23520	2	<1%	2
17	AS6762 AS23520	2	<1%	2
18	AS14907 AS1299 AS23520	2	<1%	2
19	AS3320 AS1299 AS23520	2	<1%	2
20	AS25160 AS174 AS23520	2	<1%	2
21	AS62167 AS174 AS23520	2	<1%	2
22	AS42473 AS1299 AS23520	2	<1%	2
23	AS917 AS60068 AS23520	2	<1%	2
24	AS49544 AS1299 AS23520	2	<1%	2
25	AS199524 AS174 AS23520	2	<1%	2
26	AS15547 AS174 AS23520	2	<1%	2
27	AS59890 AS60068 AS23520	2	<1%	2
28	AS35280 AS1299 AS23520	2	<1%	2
29	AS19151 AS174 AS23520	2	<1%	2
30	AS3491 AS174 AS23520	2	<1%	2
31	AS25091 AS1299 AS23520	2	<1%	2
32	AS31027 AS1299 AS23520	2	<1%	1
33	AS58057 AS34549 AS1299 AS23520	2	<1%	2
34	AS8218 AS6461 AS6762 AS23520	2	<1%	2
35	AS47692 AS2914 AS6762 AS23520	2	<1%	2
36	AS51184 AS1764 AS174 AS23520	2	<1%	2
37	AS24482 AS2914 AS1299 AS23520	2	<1%	2
38	AS35710 AS3320 AS3257 AS23520	2	<1%	2
39	AS20612 AS9044 AS174 AS23520	2	<1%	1
40	AS49544 AS2914 AS6762 AS23520	2	<1%	2
41	AS49544 AS3356 AS1299 AS23520	2	<1%	1
42	AS142289 AS9583 AS4755 AS6453 AS174 AS23520	2	<1%	1
43	AS3257 AS23520	1	<1%	1
44	AS199524 AS23520	1	<1%	1
45	AS7018 AS1299 AS23520	1	<1%	1
46	AS852 AS3257 AS23520	1	<1%	1
47	AS37721 AS6762 AS23520	1	<1%	1
48	AS50300 AS3257 AS23520	1	<1%	1
49	AS3333 AS6762 AS23520	1	<1%	1
50	AS58057 AS174 AS23520	1	<1%	1

50 of 256 paths shown. All of them are in the JSON.

More prefixes from AS23520

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched just now.