BGP map for 37.19.128.0/18

37.19.128.0/18 is announced by AS8309 SIPARTECH and seen by 346 peers of 23 RIPE RIS collectors, over 265 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (11%), AS6762 SEABONE-NET (9%) and AS9002 RETN-AS (5%). The most common path, used by 11 peers, is AS24482 AS8309.

Routes checked 12:39:22 UTC

Recent route changes

3 Nov 00:10 UTCAS9002 RETN-AS became an upstream, used by 5% of peers

AS-path graph toward 37.19.128.0/18

origin Tier 2edge network prefix best path: chosen by 11 of 346 peers (3%) number on a line = peers using that link RIS data up to 09:59 UTC what the colours mean 12 of 265 paths drawn 6 quieter networks left out

View JSON Raw upstream

346collector peers

23RIS collectors

265distinct AS paths

2.6average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	38	11%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	30	9%
AS9002 RETN-AS RETN Limited	17	5%
AS24482 SG.GS	11	3%
AS6939 Hurricane Electric LLC	10	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS13030 INIT7 Init7 (Switzerland) Ltd.	7	2%
AS3356 Level 3 Parent, LLC	7	2%
AS1299 TWELVE99 Arelion Sweden AB	6	2%
AS12779 ITGATE IT.Gate S.p.A.	5	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	38	11%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	28	8%
AS9002 RETN-AS RETN Limited	13	4%
AS6939 Hurricane Electric LLC	10	3%
AS3356 Level 3 Parent, LLC	7	2%
AS1299 TWELVE99 Arelion Sweden AB	4	1%
AS5511 Opentransit Orange S.A.	4	1%
AS2914 NTT America, Inc.	4	1%
AS33891 CORE-BACKBONE Core-Backbone GmbH	3	<1%
AS13030 INIT7 Init7 (Switzerland) Ltd.	3	<1%

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 AS8309	11	3%	11
2	AS8218 AS8309	7	2%	6
3	AS8309	4	1%	3
4	AS13030 AS8309	4	1%	4
5	AS9002 AS8309	4	1%	4
6	AS12779 AS8309	4	1%	4
7	AS199524 AS8309	4	1%	4
8	AS47147 AS8309	4	1%	4
9	AS14840 AS8309	4	1%	2
10	AS48185 AS8309	3	<1%	3
11	AS34927 AS8309	3	<1%	3
12	AS3214 AS8309	3	<1%	3
13	AS51185 AS8309	3	<1%	3
14	AS34019 AS8309	3	<1%	3
15	AS25091 AS8309	3	<1%	3
16	AS48362 AS8309	3	<1%	3
17	AS2914 AS6762 AS8309	3	<1%	3
18	AS3491 AS174 AS8309	3	<1%	3
19	AS6461 AS6762 AS8309	3	<1%	3
20	AS50628 AS8309	2	<1%	2
21	AS25160 AS8309	2	<1%	2
22	AS62167 AS8309	2	<1%	2
23	AS1299 AS8309	2	<1%	2
24	AS212483 AS8309	2	<1%	1
25	AS49544 AS8309	2	<1%	2
26	AS14907 AS8309	2	<1%	2
27	AS8529 AS8309	2	<1%	2
28	AS15547 AS8309	2	<1%	2
29	AS47692 AS8309	2	<1%	2
30	AS51184 AS8309	2	<1%	2
31	AS35280 AS8309	2	<1%	2
32	AS6762 AS8309	2	<1%	2
33	AS35710 AS8309	2	<1%	2
34	AS3257 AS6762 AS8309	2	<1%	2
35	AS6830 AS174 AS8309	2	<1%	2
36	AS59890 AS6939 AS8309	2	<1%	2
37	AS2497 AS174 AS8309	2	<1%	2
38	AS19151 AS9002 AS8309	2	<1%	2
39	AS199524 AS174 AS8309	2	<1%	2
40	AS20612 AS9044 AS8309	2	<1%	1
41	AS49544 AS3356 AS8309	2	<1%	1
42	AS31027 AS6797 AS8309	2	<1%	1
43	AS142289 AS9583 AS4755 AS6453 AS9002 AS8309	2	<1%	1
44	AS37721 AS8309	1	<1%	1
45	AS50300 AS8309	1	<1%	1
46	AS3333 AS8309	1	<1%	1
47	AS17639 AS8309	1	<1%	1
48	AS50304 AS8309	1	<1%	1
49	AS22652 AS8309	1	<1%	1
50	AS34549 AS8309	1	<1%	1

50 of 265 paths shown. All of them are in the JSON.

More prefixes from AS8309

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 09:59 UTC, fetched 1 hour ago.