BGP map for 178.237.232.0/21

178.237.232.0/21 is announced by AS15704 AS15704 and seen by 328 peers of 23 RIPE RIS collectors, over 250 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (92%), AS5511 Opentransit (3%) and AS6453 TATA COMMUNICATIONS (AMERICA) INC (2%). The most common path, used by 11 peers, is AS24482 AS2914 AS174 AS15704.

Routes checked 20:47:37 UTC

No change in the origin, the upstreams or the number of peers since 20:47 UTC, when this site first looked at 178.237.232.0/21.

AS-path graph toward 178.237.232.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 328 peers (3%) number on a line = peers using that link RIS data up to 20:46 UTC what the colours mean 12 of 250 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

328collector peers

23RIS collectors

250distinct AS paths

3.7average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	303	92%
AS5511 Opentransit Orange S.A.	10	3%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	7	2%
AS60068 CDN77 Datacamp Limited	4	1%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS51185 MAINSTREAMING-AS MainStreaming SpA	1	<1%
AS29680 VOZTELECOM Gamma Operadora de Comunicaciones S.A.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	303	92%
AS1299 TWELVE99 Arelion Sweden AB	50	15%
AS3356 Level 3 Parent, LLC	20	6%
AS2914 NTT America, Inc.	19	6%
AS6461 Zayo Bandwidth	12	4%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	11	3%
AS5511 Opentransit Orange S.A.	9	3%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	7	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	6	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	6	2%

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 AS174 AS15704	11	3%	11
2	AS199524 AS174 AS15704	9	3%	9
3	AS8218 AS6461 AS174 AS15704	7	2%	6
4	AS6461 AS174 AS15704	5	2%	5
5	AS12779 AS174 AS15704	4	1%	4
6	AS14840 AS174 AS15704	4	1%	2
7	AS13030 AS1299 AS174 AS15704	4	1%	4
8	AS47147 AS1299 AS174 AS15704	4	1%	4
9	AS3491 AS174 AS15704	3	<1%	3
10	AS9002 AS5511 AS15704	3	<1%	3
11	AS14907 AS1299 AS174 AS15704	3	<1%	3
12	AS49544 AS15704	2	<1%	2
13	AS917 AS60068 AS15704	2	<1%	2
14	AS3257 AS174 AS15704	2	<1%	2
15	AS6830 AS174 AS15704	2	<1%	2
16	AS3320 AS174 AS15704	2	<1%	2
17	AS2914 AS6453 AS15704	2	<1%	2
18	AS62167 AS174 AS15704	2	<1%	2
19	AS25160 AS174 AS15704	2	<1%	2
20	AS1299 AS174 AS15704	2	<1%	2
21	AS15547 AS174 AS15704	2	<1%	2
22	AS6762 AS174 AS15704	2	<1%	2
23	AS59890 AS60068 AS15704	2	<1%	2
24	AS271253 AS174 AS15704	2	<1%	1
25	AS2497 AS174 AS15704	2	<1%	2
26	AS19151 AS174 AS15704	2	<1%	2
27	AS42473 AS1299 AS174 AS15704	2	<1%	2
28	AS48185 AS1299 AS174 AS15704	2	<1%	2
29	AS34927 AS1299 AS174 AS15704	2	<1%	2
30	AS55720 AS2914 AS174 AS15704	2	<1%	1
31	AS58057 AS34549 AS174 AS15704	2	<1%	2
32	AS49544 AS3356 AS174 AS15704	2	<1%	1
33	AS31027 AS1299 AS174 AS15704	2	<1%	1
34	AS35710 AS3320 AS174 AS15704	2	<1%	2
35	AS49544 AS2914 AS174 AS15704	2	<1%	2
36	AS8529 AS3356 AS174 AS15704	2	<1%	2
37	AS35280 AS3356 AS174 AS15704	2	<1%	2
38	AS34019 AS3303 AS174 AS15704	2	<1%	2
39	AS51184 AS1764 AS174 AS15704	2	<1%	2
40	AS48362 AS1764 AS174 AS15704	2	<1%	2
41	AS51185 AS6762 AS174 AS15704	2	<1%	2
42	AS20612 AS9044 AS174 AS15704	2	<1%	1
43	AS142289 AS9583 AS4755 AS6453 AS15704	2	<1%	1
44	AS5511 AS15704	1	<1%	1
45	AS51185 AS15704	1	<1%	1
46	AS6453 AS15704	1	<1%	1
47	AS29680 AS15704	1	<1%	1
48	AS6894 AS174 AS15704	1	<1%	1
49	AS31742 AS174 AS15704	1	<1%	1
50	AS6424 AS174 AS15704	1	<1%	1

50 of 250 paths shown. All of them are in the JSON.

More prefixes from AS15704

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 20:46 UTC, fetched just now.