BGP map for 157.250.72.0/21

157.250.72.0/21 is announced by AS2519 ARTERIA Networks Corporation and seen by 329 peers of 23 RIPE RIS collectors, over 267 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (26%), AS3356 Level 3 Parent, LLC (17%) and AS4637 Telstra Global (16%). The most common path, used by 10 peers, is AS24482 AS2519.

Routes checked 14:57:34 UTC

No change in the origin, the upstreams or the number of peers since 02:56 UTC on 27 Oct, when this site first looked at 157.250.72.0/21.

AS-path graph toward 157.250.72.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 329 peers (3%) number on a line = peers using that link RIS data up to 14:57 UTC what the colours mean 12 of 267 paths drawn 5 quieter networks left out

View JSON Raw upstream

329collector peers

23RIS collectors

267distinct AS paths

3.3average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	84	26%
AS3356 Level 3 Parent, LLC	56	17%
AS4637 Telstra Global	53	16%
AS174 Cogent Communications, LLC	50	15%
AS2497 Internet Initiative Japan Inc.	29	9%
AS6939 Hurricane Electric LLC	16	5%
AS24482 SG.GS	10	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	8	2%
AS8220 COLT COLT Technology Services Group Limited	4	1%
AS49544 i3Dnet i3D.net B.V	3	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	82	25%
AS3356 Level 3 Parent, LLC	56	17%
AS4637 Telstra Global	52	16%
AS174 Cogent Communications, LLC	50	15%
AS2497 Internet Initiative Japan Inc.	27	8%
AS6939 Hurricane Electric LLC	16	5%
AS6461 Zayo Bandwidth	8	2%
AS33891 CORE-BACKBONE Core-Backbone GmbH	8	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS701 Verizon Business	4	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 AS2519	10	3%	10
2	AS8218 AS6461 AS4637 AS2519	7	2%	6
3	AS6461 AS4637 AS2519	5	2%	5
4	AS47147 AS4637 AS2519	4	1%	4
5	AS14840 AS701 AS2497 AS2519	4	1%	2
6	AS49544 AS2519	3	<1%	3
7	AS2914 AS2497 AS2519	3	<1%	3
8	AS13030 AS4637 AS2519	3	<1%	3
9	AS9002 AS4637 AS2519	3	<1%	3
10	AS12779 AS174 AS2519	3	<1%	3
11	AS34927 AS1299 AS2519	3	<1%	3
12	AS49544 AS3356 AS2519	3	<1%	2
13	AS48362 AS1299 AS2519	3	<1%	3
14	AS1299 AS2519	2	<1%	2
15	AS199524 AS2519	2	<1%	2
16	AS2497 AS2519	2	<1%	2
17	AS3491 AS2497 AS2519	2	<1%	2
18	AS25160 AS174 AS2519	2	<1%	2
19	AS42473 AS1299 AS2519	2	<1%	2
20	AS48185 AS3356 AS2519	2	<1%	2
21	AS142289 AS9583 AS2519	2	<1%	1
22	AS15547 AS174 AS2519	2	<1%	2
23	AS25091 AS1299 AS2519	2	<1%	2
24	AS47692 AS33891 AS2519	2	<1%	2
25	AS59890 AS3356 AS2519	2	<1%	2
26	AS271253 AS3356 AS2519	2	<1%	1
27	AS199524 AS174 AS2519	2	<1%	2
28	AS199524 AS1299 AS2519	2	<1%	2
29	AS19151 AS2497 AS2519	2	<1%	2
30	AS58057 AS34549 AS1299 AS2519	2	<1%	2
31	AS31027 AS6797 AS4637 AS2519	2	<1%	1
32	AS35710 AS3320 AS1299 AS2519	2	<1%	2
33	AS51184 AS47692 AS33891 AS2519	2	<1%	2
34	AS20612 AS8758 AS8220 AS2519	2	<1%	1
35	AS1828 AS2519	1	<1%	1
36	AS4637 AS2519	1	<1%	1
37	AS36236 AS2519	1	<1%	1
38	AS18106 AS2519	1	<1%	1
39	AS14907 AS2519	1	<1%	1
40	AS9002 AS2519	1	<1%	1
41	AS35280 AS2519	1	<1%	1
42	AS15692 AS174 AS2519	1	<1%	1
43	AS6894 AS2497 AS2519	1	<1%	1
44	AS31742 AS1299 AS2519	1	<1%	1
45	AS35266 AS1299 AS2519	1	<1%	1
46	AS3257 AS4637 AS2519	1	<1%	1
47	AS5511 AS2497 AS2519	1	<1%	1
48	AS6830 AS2497 AS2519	1	<1%	1
49	AS3320 AS2497 AS2519	1	<1%	1
50	AS62167 AS3356 AS2519	1	<1%	1

50 of 267 paths shown. All of them are in the JSON.

More prefixes from AS2519

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 14:57 UTC, fetched just now.