BGP map for 37.25.128.0/17

37.25.128.0/17 is announced by 2 networks, mostly AS1273 IDDQD-AS and seen by 328 peers of 23 RIPE RIS collectors, over 260 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (20%), AS174 Cogent Communications, LLC (13%) and AS1273 IDDQD-AS (13%). The most common path, used by 11 peers, is AS24482 AS2914 AS1273.

Routes checked 19:52:51 UTC

No change in the origin, the upstreams or the number of peers since 19:52 UTC, when this site first looked at 37.25.128.0/17.

AS-path graph toward 37.25.128.0/17

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 328 peers (3%) number on a line = peers using that link RIS data up to 19:51 UTC what the colours mean 12 of 260 paths drawn 7 quieter networks left out

Download PNG View JSON Raw upstream

328collector peers

23RIS collectors

260distinct AS paths

3.2average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	67	20%
AS174 Cogent Communications, LLC	44	13%
AS1273 IDDQD-AS	43	13%
AS2914 NTT America, Inc.	32	10%
AS3356 Level 3 Parent, LLC	20	6%
AS3257 GTT-BACKBONE GTT Communications Inc.	19	6%
AS9002 RETN-AS RETN Limited	15	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	15	5%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	14	4%
AS6939 Hurricane Electric LLC	13	4%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	70	21%
AS174 Cogent Communications, LLC	44	13%
AS1273 IDDQD-AS	43	13%
AS2914 NTT America, Inc.	32	10%
AS3356 Level 3 Parent, LLC	24	7%
AS3257 GTT-BACKBONE GTT Communications Inc.	17	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	13	4%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	13	4%
AS6939 Hurricane Electric LLC	13	4%
AS9002 RETN-AS RETN Limited	11	3%

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 AS1273	11	3%	11
2	AS8218 AS1273 AS12663	7	2%	6
3	AS6461 AS1273 AS12663	5	2%	5
4	AS13030 AS1273	4	1%	4
5	AS9002 AS1273	4	1%	4
6	AS12779 AS3257 AS1273	4	1%	4
7	AS3491 AS1273	3	<1%	3
8	AS14840 AS174 AS1273	3	<1%	2
9	AS51185 AS6762 AS1273	3	<1%	3
10	AS25091 AS1273 AS12663	3	<1%	3
11	AS199524 AS1299 AS1273	3	<1%	3
12	AS47147 AS1299 AS1273	3	<1%	3
13	AS3257 AS1273	2	<1%	2
14	AS2914 AS1273	2	<1%	2
15	AS1299 AS1273	2	<1%	2
16	AS6762 AS1273	2	<1%	2
17	AS49544 AS1273	2	<1%	2
18	AS2497 AS1273	2	<1%	2
19	AS6830 AS1273 AS12663	2	<1%	2
20	AS3320 AS1273 AS12663	2	<1%	2
21	AS25160 AS2914 AS1273	2	<1%	2
22	AS34927 AS1299 AS1273	2	<1%	2
23	AS31027 AS1299 AS1273	2	<1%	1
24	AS199524 AS3491 AS1273	2	<1%	2
25	AS35280 AS3356 AS1273	2	<1%	2
26	AS34019 AS1273 AS12663	2	<1%	2
27	AS15547 AS174 AS1273	2	<1%	2
28	AS48362 AS9002 AS1273	2	<1%	2
29	AS47692 AS2914 AS1273	2	<1%	2
30	AS59890 AS3356 AS1273	2	<1%	2
31	AS271253 AS174 AS1273	2	<1%	1
32	AS199524 AS174 AS1273	2	<1%	2
33	AS19151 AS174 AS1273	2	<1%	2
34	AS58057 AS34549 AS2914 AS1273	2	<1%	2
35	AS49544 AS3356 AS1273 AS12663	2	<1%	1
36	AS35710 AS3320 AS1273 AS12663	2	<1%	2
37	AS51184 AS47692 AS2914 AS1273	2	<1%	2
38	AS20612 AS9044 AS1299 AS1273	2	<1%	1
39	AS142289 AS9583 AS4755 AS6453 AS1273	2	<1%	1
40	AS37721 AS1273	1	<1%	1
41	AS12956 AS1273	1	<1%	1
42	AS6453 AS1273	1	<1%	1
43	AS15692 AS2914 AS1273	1	<1%	1
44	AS36924 AS1299 AS1273	1	<1%	1
45	AS6894 AS3257 AS1273	1	<1%	1
46	AS31742 AS1299 AS1273	1	<1%	1
47	AS35266 AS2914 AS1273	1	<1%	1
48	AS1828 AS1299 AS1273	1	<1%	1
49	AS62167 AS3356 AS1273	1	<1%	1
50	AS6424 AS1299 AS1273	1	<1%	1

50 of 260 paths shown. All of them are in the JSON.

More prefixes from AS1273

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 19:51 UTC, fetched just now.