BGP map for 37.157.227.0/24

37.157.227.0/24 is announced by AS42845 Bretagnetelecom and seen by 325 peers of 23 RIPE RIS collectors, over 262 different AS paths. Its busiest upstreams are AS3257 GTT-BACKBONE (39%), AS6762 SEABONE-NET (23%) and AS6939 Hurricane Electric LLC (8%). The most common path, used by 9 peers, is AS24482 AS42845.

Routes checked 17:26:42 UTC

No change in the origin, the upstreams or the number of peers since 02:22 UTC on 29 Oct, when this site first looked at 37.157.227.0/24.

AS-path graph toward 37.157.227.0/24

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 325 peers (3%) number on a line = peers using that link RIS data up to 17:26 UTC what the colours mean 12 of 262 paths drawn 4 quieter networks left out

View JSON Raw upstream

325collector peers

23RIS collectors

262distinct AS paths

3.3average AS hops, 1 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS3257 GTT-BACKBONE GTT Communications Inc.	128	39%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	75	23%
AS6939 Hurricane Electric LLC	26	8%
AS24482 SG.GS	9	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	9	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS5405 INTERDOTLINK Inter.link GmbH	6	2%
AS25091 IP-Max IP-Max SA	5	2%
AS12779 ITGATE IT.Gate S.p.A.	4	1%
AS8220 COLT COLT Technology Services Group Limited	4	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS3257 GTT-BACKBONE GTT Communications Inc.	127	39%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	73	22%
AS1299 TWELVE99 Arelion Sweden AB	33	10%
AS6939 Hurricane Electric LLC	26	8%
AS3356 Level 3 Parent, LLC	18	6%
AS2914 NTT America, Inc.	13	4%
AS174 Cogent Communications, LLC	10	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	9	3%
AS9002 RETN-AS RETN Limited	8	2%
AS3491 PCCW Global (HK) Ltd.	6	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 AS42845	9	3%	9
2	AS8218 AS42845	7	2%	6
3	AS6461 AS6762 AS42845	5	2%	5
4	AS9002 AS3257 AS42845	4	1%	4
5	AS14840 AS6762 AS42845	4	1%	2
6	AS199524 AS3257 AS42845	4	1%	4
7	AS12779 AS42845	3	<1%	3
8	AS34019 AS42845	3	<1%	3
9	AS25091 AS42845	3	<1%	3
10	AS3491 AS3257 AS42845	3	<1%	3
11	AS13030 AS1299 AS3257 AS42845	3	<1%	3
12	AS25160 AS42845	2	<1%	2
13	AS50628 AS42845	2	<1%	2
14	AS8529 AS42845	2	<1%	2
15	AS15547 AS42845	2	<1%	2
16	AS6762 AS42845	2	<1%	2
17	AS49544 AS42845	2	<1%	2
18	AS6830 AS3257 AS42845	2	<1%	2
19	AS2914 AS6762 AS42845	2	<1%	2
20	AS62167 AS3257 AS42845	2	<1%	2
21	AS1299 AS3257 AS42845	2	<1%	2
22	AS47692 AS33891 AS42845	2	<1%	2
23	AS51185 AS6762 AS42845	2	<1%	2
24	AS59890 AS6939 AS42845	2	<1%	2
25	AS199524 AS6762 AS42845	2	<1%	2
26	AS2497 AS3257 AS42845	2	<1%	2
27	AS34927 AS1299 AS3257 AS42845	2	<1%	2
28	AS49544 AS3356 AS3257 AS42845	2	<1%	1
29	AS35710 AS3320 AS3257 AS42845	2	<1%	2
30	AS49544 AS2914 AS6762 AS42845	2	<1%	2
31	AS51184 AS47692 AS33891 AS42845	2	<1%	2
32	AS48362 AS9002 AS3257 AS42845	2	<1%	2
33	AS47147 AS1299 AS6762 AS42845	2	<1%	2
34	AS20612 AS8758 AS8220 AS42845	2	<1%	1
35	AS19151 AS2914 AS6762 AS42845	2	<1%	2
36	AS58057 AS34549 AS174 AS6762 AS42845	2	<1%	2
37	AS142289 AS9583 AS4755 AS6453 AS6762 AS42845	2	<1%	1
38	AS42845	1	<1%	1
39	AS1828 AS42845	1	<1%	1
40	AS34927 AS42845	1	<1%	1
41	AS204092 AS42845	1	<1%	1
42	AS37721 AS42845	1	<1%	1
43	AS6057 AS42845	1	<1%	1
44	AS207910 AS42845	1	<1%	1
45	AS36236 AS42845	1	<1%	1
46	AS51185 AS42845	1	<1%	1
47	AS44097 AS42845	1	<1%	1
48	AS2027 AS42845	1	<1%	1
49	AS34177 AS42845	1	<1%	1
50	AS16347 AS42845	1	<1%	1

50 of 262 paths shown. All of them are in the JSON.

More prefixes from AS42845

Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 17:26 UTC, fetched just now.