BGP map for 131.153.144.0/21

131.153.144.0/21 is announced by AS19437 SECURED SERVERS LLC and seen by 356 peers of 23 RIPE RIS collectors, over 270 different AS paths. All of those routes reach it through one upstream, AS12189 PhoenixNAP LLC. The most common path, used by 10 peers, is AS24482 AS137409 AS12189 AS19437.

Routes checked 14:49:50 UTC

No change in the origin, the upstreams or the number of peers since 14:49 UTC, when this site first looked at 131.153.144.0/21.

AS-path graph toward 131.153.144.0/21

origin Tier 1Tier 2transitedge network prefix best path: chosen by 10 of 356 peers (3%) number on a line = peers using that link RIS data up to 14:49 UTC what the colours mean 12 of 270 paths drawn 6 quieter networks left out

Download PNG View JSON Raw upstream

356collector peers

23RIS collectors

270distinct AS paths

4.1average AS hops, 3 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS12189 PhoenixNAP LLC	356	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS12189 PhoenixNAP LLC	356	100%
AS137409 GSL Networks Pty LTD	234	66%
AS174 Cogent Communications, LLC	28	8%
AS1299 TWELVE99 Arelion Sweden AB	28	8%
AS6939 Hurricane Electric LLC	14	4%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	12	3%
AS2914 NTT America, Inc.	8	2%
AS3303 SWISSCOM Swisscom (Schweiz) AG	6	2%
AS3356 Level 3 Parent, LLC	5	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 AS137409 AS12189 AS19437	10	3%	10
2	AS137409 AS12189 AS19437	7	2%	7
3	AS8218 AS137409 AS12189 AS19437	7	2%	6
4	AS199524 AS137409 AS12189 AS19437	7	2%	7
5	AS6461 AS137409 AS12189 AS19437	5	1%	5
6	AS13030 AS137409 AS12189 AS19437	4	1%	4
7	AS12779 AS137409 AS12189 AS19437	4	1%	4
8	AS51185 AS137409 AS12189 AS19437	4	1%	4
9	AS34927 AS137409 AS12189 AS19437	4	1%	3
10	AS14907 AS137409 AS12189 AS19437	4	1%	4
11	AS14840 AS137409 AS12189 AS19437	4	1%	2
12	AS47147 AS137409 AS12189 AS19437	4	1%	4
13	AS2914 AS12189 AS19437	3	<1%	3
14	AS48185 AS137409 AS12189 AS19437	3	<1%	3
15	AS3214 AS137409 AS12189 AS19437	3	<1%	3
16	AS271253 AS137409 AS12189 AS19437	3	<1%	2
17	AS25091 AS137409 AS12189 AS19437	3	<1%	3
18	AS48362 AS137409 AS12189 AS19437	3	<1%	3
19	AS1299 AS12189 AS19437	2	<1%	2
20	AS49544 AS12189 AS19437	2	<1%	2
21	AS9002 AS6453 AS12189 AS19437	2	<1%	2
22	AS62167 AS137409 AS12189 AS19437	2	<1%	2
23	AS25160 AS137409 AS12189 AS19437	2	<1%	2
24	AS31027 AS137409 AS12189 AS19437	2	<1%	1
25	AS35710 AS137409 AS12189 AS19437	2	<1%	2
26	AS49544 AS137409 AS12189 AS19437	2	<1%	2
27	AS3491 AS174 AS12189 AS19437	2	<1%	2
28	AS9002 AS137409 AS12189 AS19437	2	<1%	2
29	AS34019 AS137409 AS12189 AS19437	2	<1%	2
30	AS15547 AS174 AS12189 AS19437	2	<1%	2
31	AS51184 AS137409 AS12189 AS19437	2	<1%	2
32	AS47692 AS137409 AS12189 AS19437	2	<1%	2
33	AS59890 AS6939 AS12189 AS19437	2	<1%	2
34	AS28634 AS137409 AS12189 AS19437	2	<1%	1
35	AS199524 AS1299 AS12189 AS19437	2	<1%	2
36	AS19151 AS137409 AS12189 AS19437	2	<1%	2
37	AS917 AS60068 AS137409 AS12189 AS19437	2	<1%	2
38	AS49544 AS3356 AS1299 AS12189 AS19437	2	<1%	1
39	AS20612 AS8758 AS137409 AS12189 AS19437	2	<1%	1
40	AS142289 AS9583 AS4755 AS6453 AS12189 AS19437	2	<1%	1
41	AS1828 AS12189 AS19437	1	<1%	1
42	AS37721 AS12189 AS19437	1	<1%	1
43	AS24482 AS12189 AS19437	1	<1%	1
44	AS6057 AS12189 AS19437	1	<1%	1
45	AS36236 AS12189 AS19437	1	<1%	1
46	AS6453 AS12189 AS19437	1	<1%	1
47	AS35280 AS12189 AS19437	1	<1%	1
48	AS13786 AS12189 AS19437	1	<1%	1
49	AS52320 AS12189 AS19437	1	<1%	1
50	AS15692 AS2914 AS12189 AS19437	1	<1%	1

50 of 270 paths shown. All of them are in the JSON.

More prefixes from AS19437

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 14:49 UTC, fetched just now.