BGP map for 154.205.176.0/21

154.205.176.0/21 is announced by AS131274 Cypresstel Global Network and seen by 333 peers of 23 RIPE RIS collectors, over 252 different AS paths. All of those routes reach it through one upstream, AS9002 RETN-AS. The most common path, used by 11 peers, is AS24482 AS9002 AS131274.

Routes checked 03:23:14 UTC

No change in the origin, the upstreams or the number of peers since 03:23 UTC, when this site first looked at 154.205.176.0/21.

AS-path graph toward 154.205.176.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 333 peers (3%) number on a line = peers using that link RIS data up to 03:22 UTC what the colours mean 12 of 252 paths drawn 4 quieter networks left out

Download PNG View JSON Raw upstream

333collector peers

23RIS collectors

252distinct AS paths

3.9average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	333	100%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	329	99%
AS3356 Level 3 Parent, LLC	69	21%
AS1299 TWELVE99 Arelion Sweden AB	47	14%
AS3257 GTT-BACKBONE GTT Communications Inc.	22	7%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	11	3%
AS6939 Hurricane Electric LLC	10	3%
AS174 Cogent Communications, LLC	8	2%
AS25091 IP-Max IP-Max SA	5	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	2%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	5	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 AS9002 AS131274	11	3%	11
2	AS8218 AS9002 AS131274	7	2%	6
3	AS6461 AS9002 AS131274	5	2%	5
4	AS9002 AS131274	4	1%	4
5	AS47147 AS9002 AS131274	4	1%	4
6	AS13030 AS1299 AS9002 AS131274	4	1%	4
7	AS12779 AS3257 AS9002 AS131274	4	1%	4
8	AS14840 AS3356 AS9002 AS131274	4	1%	2
9	AS199524 AS1299 AS9002 AS131274	4	1%	4
10	AS3491 AS9002 AS131274	3	<1%	3
11	AS3214 AS9002 AS131274	3	<1%	3
12	AS199524 AS9002 AS131274	3	<1%	3
13	AS49544 AS9002 AS131274	3	<1%	3
14	AS25091 AS9002 AS131274	3	<1%	3
15	AS48362 AS9002 AS131274	3	<1%	3
16	AS2914 AS3356 AS9002 AS131274	3	<1%	3
17	AS49544 AS3356 AS9002 AS131274	3	<1%	2
18	AS6830 AS9002 AS131274	2	<1%	2
19	AS42473 AS9002 AS131274	2	<1%	2
20	AS1299 AS9002 AS131274	2	<1%	2
21	AS31027 AS9002 AS131274	2	<1%	1
22	AS8529 AS9002 AS131274	2	<1%	2
23	AS14907 AS9002 AS131274	2	<1%	2
24	AS35280 AS9002 AS131274	2	<1%	2
25	AS19151 AS9002 AS131274	2	<1%	2
26	AS3320 AS3356 AS9002 AS131274	2	<1%	2
27	AS62167 AS3356 AS9002 AS131274	2	<1%	2
28	AS25160 AS6453 AS9002 AS131274	2	<1%	2
29	AS48185 AS1299 AS9002 AS131274	2	<1%	2
30	AS34927 AS1299 AS9002 AS131274	2	<1%	2
31	AS58057 AS1836 AS9002 AS131274	2	<1%	2
32	AS142289 AS9583 AS9002 AS131274	2	<1%	1
33	AS15547 AS3303 AS9002 AS131274	2	<1%	2
34	AS6762 AS3356 AS9002 AS131274	2	<1%	2
35	AS51184 AS1764 AS9002 AS131274	2	<1%	2
36	AS34019 AS25091 AS9002 AS131274	2	<1%	2
37	AS59890 AS3356 AS9002 AS131274	2	<1%	2
38	AS20612 AS9044 AS9002 AS131274	2	<1%	1
39	AS271253 AS3356 AS9002 AS131274	2	<1%	1
40	AS2497 AS3356 AS9002 AS131274	2	<1%	2
41	AS58057 AS34549 AS6453 AS9002 AS131274	2	<1%	2
42	AS35710 AS3320 AS3356 AS9002 AS131274	2	<1%	2
43	AS47692 AS2914 AS3356 AS9002 AS131274	2	<1%	2
44	AS51185 AS6762 AS3356 AS9002 AS131274	2	<1%	2
45	AS12969 AS9002 AS131274	1	<1%	1
46	AS59919 AS9002 AS131274	1	<1%	1
47	AS213241 AS9002 AS131274	1	<1%	1
48	AS50300 AS9002 AS131274	1	<1%	1
49	AS3333 AS9002 AS131274	1	<1%	1
50	AS17639 AS9002 AS131274	1	<1%	1

50 of 252 paths shown. All of them are in the JSON.

More prefixes from AS131274

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 03:22 UTC, fetched just now.