BGP map for 37.49.152.0/21

37.49.152.0/21 is announced by AS25291 SYSELEVEN and seen by 353 peers of 23 RIPE RIS collectors, over 267 different AS paths. Its busiest upstreams are AS5405 INTERDOTLINK (53%), AS1299 TWELVE99 (25%) and AS33891 CORE-BACKBONE (22%). The most common path, used by 9 peers, is AS24482 AS5405 AS25291.

Routes checked 08:41:23 UTC

No change in the origin, the upstreams or the number of peers since 08:41 UTC, when this site first looked at 37.49.152.0/21.

AS-path graph toward 37.49.152.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 9 of 353 peers (3%) number on a line = peers using that link RIS data up to 08:40 UTC what the colours mean 12 of 267 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

353collector peers

23RIS collectors

267distinct AS paths

3.3average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS5405 INTERDOTLINK Inter.link GmbH	186	53%
AS1299 TWELVE99 Arelion Sweden AB	89	25%
AS33891 CORE-BACKBONE Core-Backbone GmbH	78	22%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS5405 INTERDOTLINK Inter.link GmbH	180	51%
AS1299 TWELVE99 Arelion Sweden AB	87	25%
AS33891 CORE-BACKBONE Core-Backbone GmbH	77	22%
AS3356 Level 3 Parent, LLC	13	4%
AS174 Cogent Communications, LLC	10	3%
AS2914 NTT America, Inc.	6	2%
AS6939 Hurricane Electric LLC	5	1%
AS9002 RETN-AS RETN Limited	4	1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	3	<1%
AS3257 GTT-BACKBONE GTT Communications Inc.	3	<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 AS5405 AS25291	9	3%	9
2	AS5405 AS25291	6	2%	5
3	AS6461 AS33891 AS25291	5	1%	5
4	AS199524 AS1299 AS25291	5	1%	5
5	AS8218 AS33891 AS25291	4	1%	3
6	AS9002 AS1299 AS25291	4	1%	4
7	AS14840 AS5405 AS25291	4	1%	2
8	AS47147 AS1299 AS25291	4	1%	4
9	AS3491 AS5405 AS25291	3	<1%	3
10	AS48185 AS33891 AS25291	3	<1%	3
11	AS51185 AS5405 AS25291	3	<1%	3
12	AS34927 AS5405 AS25291	3	<1%	3
13	AS3214 AS5405 AS25291	3	<1%	3
14	AS14907 AS33891 AS25291	3	<1%	3
15	AS13030 AS33891 AS25291	3	<1%	3
16	AS34019 AS5405 AS25291	3	<1%	3
17	AS199524 AS5405 AS25291	3	<1%	3
18	AS25091 AS5405 AS25291	3	<1%	3
19	AS8218 AS5405 AS25291	3	<1%	3
20	AS48362 AS5405 AS25291	3	<1%	3
21	AS1299 AS25291	2	<1%	2
22	AS6830 AS1299 AS25291	2	<1%	2
23	AS3320 AS1299 AS25291	2	<1%	2
24	AS62167 AS5405 AS25291	2	<1%	2
25	AS25160 AS5405 AS25291	2	<1%	2
26	AS12779 AS5405 AS25291	2	<1%	2
27	AS42473 AS1299 AS25291	2	<1%	2
28	AS50628 AS33891 AS25291	2	<1%	2
29	AS35710 AS5405 AS25291	2	<1%	2
30	AS8529 AS1299 AS25291	2	<1%	2
31	AS49544 AS33891 AS25291	2	<1%	2
32	AS212483 AS5405 AS25291	2	<1%	1
33	AS15547 AS33891 AS25291	2	<1%	2
34	AS12779 AS33891 AS25291	2	<1%	2
35	AS6762 AS5405 AS25291	2	<1%	2
36	AS51184 AS5405 AS25291	2	<1%	2
37	AS47692 AS5405 AS25291	2	<1%	2
38	AS58057 AS5405 AS25291	2	<1%	2
39	AS59890 AS5405 AS25291	2	<1%	2
40	AS20612 AS5405 AS25291	2	<1%	1
41	AS202032 AS5405 AS25291	2	<1%	2
42	AS24482 AS33891 AS25291	2	<1%	2
43	AS35280 AS1299 AS25291	2	<1%	2
44	AS2497 AS1299 AS25291	2	<1%	2
45	AS19151 AS33891 AS25291	2	<1%	2
46	AS2914 AS3356 AS33891 AS25291	2	<1%	2
47	AS49544 AS3356 AS33891 AS25291	2	<1%	1
48	AS271253 AS3356 AS33891 AS25291	2	<1%	1
49	AS142289 AS9583 AS6453 AS1299 AS25291	2	<1%	1
50	AS33891 AS25291	1	<1%	1

50 of 267 paths shown. All of them are in the JSON.

More prefixes from AS25291

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 08:40 UTC, fetched just now.