BGP map for 2a00:1620::/32

2a00:1620::/32 is announced by AS137 ASGARR and seen by 345 peers of 23 RIPE RIS collectors, over 248 different AS paths. Its busiest upstreams are AS6762 SEABONE-NET (30%), AS174 Cogent Communications, LLC (29%) and AS21320 GEANT_IAS_VRF (6%). The most common path, used by 11 peers, is AS24482 AS137.

Routes checked 13:21:31 UTC

No change in the origin, the upstreams or the number of peers since 14:27 UTC on 28 Oct, when this site first looked at 2a00:1620::/32.

AS-path graph toward 2a00:1620::/32

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 345 peers (3%) number on a line = peers using that link RIS data up to 09:59 UTC what the colours mean 12 of 248 paths drawn 5 quieter networks left out

View JSON Raw upstream

345collector peers

23RIS collectors

248distinct AS paths

3.3average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	105	30%
AS174 Cogent Communications, LLC	99	29%
AS21320 GEANT_IAS_VRF GEANT Vereniging	21	6%
AS6461 Zayo Bandwidth	13	4%
AS3303 SWISSCOM Swisscom (Schweiz) AG	13	4%
AS5405 INTERDOTLINK Inter.link GmbH	13	4%
AS24482 SG.GS	12	3%
AS13030 INIT7 Init7 (Switzerland) Ltd.	9	3%
AS20965 GEANT GEANT Vereniging	9	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	103	30%
AS174 Cogent Communications, LLC	99	29%
AS6939 Hurricane Electric LLC	42	12%
AS1299 TWELVE99 Arelion Sweden AB	21	6%
AS21320 GEANT_IAS_VRF GEANT Vereniging	15	4%
AS3303 SWISSCOM Swisscom (Schweiz) AG	13	4%
AS5405 INTERDOTLINK Inter.link GmbH	12	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	10	3%
AS20965 GEANT GEANT Vereniging	9	3%
AS6461 Zayo Bandwidth	8	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 AS137	11	3%	11
2	AS6939 AS6762 AS137	9	3%	9
3	AS8218 AS137	7	2%	6
4	AS21320 AS137	6	2%	6
5	AS6461 AS137	5	1%	5
6	AS9002 AS6762 AS137	5	1%	5
7	AS12779 AS137	4	1%	4
8	AS13030 AS137	4	1%	4
9	AS14840 AS137	4	1%	2
10	AS2914 AS6762 AS137	3	<1%	3
11	AS3491 AS174 AS137	3	<1%	3
12	AS34019 AS3303 AS137	3	<1%	3
13	AS15547 AS3303 AS137	3	<1%	3
14	AS25091 AS6762 AS137	3	<1%	3
15	AS3214 AS6939 AS6762 AS137	3	<1%	3
16	AS48362 AS1764 AS5405 AS137	3	<1%	3
17	AS212483 AS137	2	<1%	1
18	AS8529 AS137	2	<1%	2
19	AS49544 AS137	2	<1%	2
20	AS51185 AS137	2	<1%	2
21	AS6762 AS137	2	<1%	2
22	AS852 AS174 AS137	2	<1%	2
23	AS1299 AS174 AS137	2	<1%	2
24	AS6830 AS174 AS137	2	<1%	2
25	AS25160 AS174 AS137	2	<1%	2
26	AS3257 AS6762 AS137	2	<1%	2
27	AS3320 AS174 AS137	2	<1%	2
28	AS199524 AS21320 AS137	2	<1%	2
29	AS2497 AS174 AS137	2	<1%	2
30	AS6667 AS174 AS137	2	<1%	2
31	AS19151 AS174 AS137	2	<1%	2
32	AS199524 AS6762 AS137	2	<1%	2
33	AS58057 AS34549 AS174 AS137	2	<1%	2
34	AS34927 AS6939 AS6762 AS137	2	<1%	1
35	AS42473 AS1299 AS174 AS137	2	<1%	2
36	AS62167 AS6939 AS6762 AS137	2	<1%	2
37	AS12859 AS1299 AS174 AS137	2	<1%	1
38	AS47147 AS1299 AS174 AS137	2	<1%	2
39	AS47147 AS3320 AS174 AS137	2	<1%	2
40	AS47692 AS33891 AS21320 AS137	2	<1%	2
41	AS51184 AS1764 AS5405 AS137	2	<1%	2
42	AS35280 AS3356 AS6762 AS137	2	<1%	2
43	AS202032 AS6939 AS6762 AS137	2	<1%	2
44	AS28917 AS3257 AS6762 AS137	2	<1%	1
45	AS20612 AS8758 AS3303 AS137	2	<1%	1
46	AS58057 AS6939 AS6762 AS137	2	<1%	1
47	AS49544 AS2914 AS6762 AS137	2	<1%	2
48	AS49544 AS3356 AS6762 AS137	2	<1%	1
49	AS206271 AS60707 AS12735 AS137	2	<1%	1
50	AS31027 AS1299 AS174 AS137	2	<1%	1

50 of 248 paths shown. All of them are in the JSON.

More prefixes from AS137

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 09:59 UTC, fetched just now.