BGP map for 72.20.132.0/24

72.20.132.0/24 is announced by AS394437 PS Lightwave and seen by 325 peers of 23 RIPE RIS collectors, over 252 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (55%), AS3257 GTT-BACKBONE (35%) and AS6939 Hurricane Electric LLC (10%). The most common path, used by 11 peers, is AS24482 AS2914 AS3257 AS394437.

Routes checked 11:29:57 UTC

No change in the origin, the upstreams or the number of peers since 11:29 UTC, when this site first looked at 72.20.132.0/24.

AS-path graph toward 72.20.132.0/24

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 325 peers (3%) number on a line = peers using that link RIS data up to 11:28 UTC what the colours mean 12 of 252 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

325collector peers

23RIS collectors

252distinct AS paths

3.7average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	180	55%
AS3257 GTT-BACKBONE GTT Communications Inc.	113	35%
AS6939 Hurricane Electric LLC	31	10%
AS286 KPN GTT Communications Inc.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	180	55%
AS3257 GTT-BACKBONE GTT Communications Inc.	112	34%
AS1299 TWELVE99 Arelion Sweden AB	44	14%
AS6939 Hurricane Electric LLC	31	10%
AS2914 NTT America, Inc.	25	8%
AS3356 Level 3 Parent, LLC	12	4%
AS6461 Zayo Bandwidth	9	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	7	2%
AS9002 RETN-AS RETN Limited	7	2%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	7	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 AS3257 AS394437	11	3%	11
2	AS8218 AS6461 AS174 AS394437	6	2%	5
3	AS6461 AS174 AS394437	5	2%	5
4	AS199524 AS174 AS394437	5	2%	5
5	AS9002 AS3257 AS394437	4	1%	4
6	AS12779 AS3257 AS394437	4	1%	4
7	AS14840 AS174 AS394437	4	1%	2
8	AS199524 AS3257 AS394437	4	1%	4
9	AS13030 AS1299 AS174 AS394437	4	1%	4
10	AS2914 AS3257 AS394437	3	<1%	3
11	AS25091 AS3257 AS394437	3	<1%	3
12	AS49544 AS2914 AS3257 AS394437	3	<1%	3
13	AS14907 AS1299 AS174 AS394437	3	<1%	3
14	AS47147 AS1299 AS174 AS394437	3	<1%	3
15	AS6830 AS174 AS394437	2	<1%	2
16	AS3320 AS174 AS394437	2	<1%	2
17	AS3491 AS3257 AS394437	2	<1%	2
18	AS62167 AS174 AS394437	2	<1%	2
19	AS25160 AS174 AS394437	2	<1%	2
20	AS1299 AS174 AS394437	2	<1%	2
21	AS8529 AS6939 AS394437	2	<1%	2
22	AS15547 AS174 AS394437	2	<1%	2
23	AS6762 AS174 AS394437	2	<1%	2
24	AS59890 AS6939 AS394437	2	<1%	2
25	AS271253 AS174 AS394437	2	<1%	1
26	AS19151 AS174 AS394437	2	<1%	2
27	AS917 AS60068 AS174 AS394437	2	<1%	2
28	AS34927 AS1299 AS174 AS394437	2	<1%	2
29	AS58057 AS34549 AS174 AS394437	2	<1%	2
30	AS49544 AS3356 AS3257 AS394437	2	<1%	1
31	AS31027 AS1299 AS3257 AS394437	2	<1%	1
32	AS35710 AS3320 AS3257 AS394437	2	<1%	2
33	AS51185 AS6762 AS174 AS394437	2	<1%	2
34	AS34019 AS3303 AS6939 AS394437	2	<1%	2
35	AS51184 AS1764 AS174 AS394437	2	<1%	2
36	AS48362 AS9002 AS3257 AS394437	2	<1%	2
37	AS47692 AS2914 AS3257 AS394437	2	<1%	2
38	AS20612 AS9044 AS174 AS394437	2	<1%	1
39	AS142289 AS9583 AS4755 AS6453 AS174 AS394437	2	<1%	1
40	AS3257 AS394437	1	<1%	1
41	AS6894 AS174 AS394437	1	<1%	1
42	AS31742 AS174 AS394437	1	<1%	1
43	AS35266 AS3257 AS394437	1	<1%	1
44	AS286 AS3257 AS394437	1	<1%	1
45	AS6424 AS174 AS394437	1	<1%	1
46	AS39122 AS174 AS394437	1	<1%	1
47	AS3170 AS174 AS394437	1	<1%	1
48	AS7018 AS174 AS394437	1	<1%	1
49	AS132825 AS174 AS394437	1	<1%	1
50	AS55720 AS3257 AS394437	1	<1%	1

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

More prefixes from AS394437

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 11:28 UTC, fetched just now.