BGP map for 155.204.40.0/21

155.204.40.0/21 is announced by AS15830 Equinix and seen by 329 peers of 23 RIPE RIS collectors, over 260 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (53%), AS2914 NTT America, Inc. (23%) and AS3257 GTT-BACKBONE (22%). The most common path, used by 11 peers, is AS24482 AS2914 AS15830.

Routes checked 01:04:32 UTC

No change in the origin, the upstreams or the number of peers since 01:04 UTC, when this site first looked at 155.204.40.0/21.

AS-path graph toward 155.204.40.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 329 peers (3%) number on a line = peers using that link RIS data up to 01:04 UTC what the colours mean 12 of 260 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

329collector peers

23RIS collectors

260distinct 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	176	53%
AS2914 NTT America, Inc.	75	23%
AS3257 GTT-BACKBONE GTT Communications Inc.	73	22%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS35280 F5 F5 Networks SARL	1	<1%
AS262427 Invista Net Provedor de Acesso Ltda	1	<1%
AS286 KPN GTT Communications Inc.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	174	53%
AS2914 NTT America, Inc.	72	22%
AS3257 GTT-BACKBONE GTT Communications Inc.	72	22%
AS3356 Level 3 Parent, LLC	17	5%
AS174 Cogent Communications, LLC	15	5%
AS6461 Zayo Bandwidth	8	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	5	2%
AS9002 RETN-AS RETN Limited	5	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	2%
AS35625 EUROFIBER-FRANCE Eurofiber France SAS	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 AS15830	11	3%	11
2	AS199524 AS1299 AS15830	6	2%	6
3	AS13030 AS1299 AS15830	4	1%	4
4	AS47147 AS1299 AS15830	4	1%	4
5	AS8218 AS6461 AS3257 AS15830	4	1%	3
6	AS14840 AS3356 AS1299 AS15830	4	1%	2
7	AS2914 AS15830	3	<1%	3
8	AS9002 AS3257 AS15830	3	<1%	3
9	AS12779 AS3257 AS15830	3	<1%	3
10	AS34927 AS1299 AS15830	3	<1%	3
11	AS14907 AS1299 AS15830	3	<1%	3
12	AS48362 AS1299 AS15830	3	<1%	3
13	AS6461 AS1299 AS15830	3	<1%	3
14	AS8218 AS6461 AS1299 AS15830	3	<1%	3
15	AS1299 AS15830	2	<1%	2
16	AS49544 AS15830	2	<1%	2
17	AS3491 AS1299 AS15830	2	<1%	2
18	AS62167 AS3257 AS15830	2	<1%	2
19	AS25160 AS2914 AS15830	2	<1%	2
20	AS42473 AS1299 AS15830	2	<1%	2
21	AS48185 AS2914 AS15830	2	<1%	2
22	AS31027 AS1299 AS15830	2	<1%	1
23	AS49544 AS2914 AS15830	2	<1%	2
24	AS8529 AS1299 AS15830	2	<1%	2
25	AS35280 AS2914 AS15830	2	<1%	2
26	AS6762 AS1299 AS15830	2	<1%	2
27	AS47692 AS2914 AS15830	2	<1%	2
28	AS199524 AS3257 AS15830	2	<1%	2
29	AS19151 AS2914 AS15830	2	<1%	2
30	AS58057 AS1836 AS1299 AS15830	2	<1%	2
31	AS58057 AS34549 AS1299 AS15830	2	<1%	2
32	AS49544 AS3356 AS1299 AS15830	2	<1%	1
33	AS35710 AS3320 AS3257 AS15830	2	<1%	2
34	AS34019 AS35625 AS3257 AS15830	2	<1%	2
35	AS15547 AS174 AS3257 AS15830	2	<1%	2
36	AS51184 AS47692 AS2914 AS15830	2	<1%	2
37	AS59890 AS60068 AS1299 AS15830	2	<1%	2
38	AS20612 AS9044 AS1299 AS15830	2	<1%	1
39	AS271253 AS3356 AS1299 AS15830	2	<1%	1
40	AS142289 AS9583 AS6453 AS1299 AS15830	2	<1%	1
41	AS3257 AS15830	1	<1%	1
42	AS35280 AS15830	1	<1%	1
43	AS262427 AS15830	1	<1%	1
44	AS15692 AS2914 AS15830	1	<1%	1
45	AS36924 AS1299 AS15830	1	<1%	1
46	AS6894 AS3257 AS15830	1	<1%	1
47	AS31742 AS1299 AS15830	1	<1%	1
48	AS35266 AS2914 AS15830	1	<1%	1
49	AS286 AS3257 AS15830	1	<1%	1
50	AS6461 AS2914 AS15830	1	<1%	1

50 of 260 paths shown. All of them are in the JSON.

More prefixes from AS15830

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 01:04 UTC, fetched just now.