BGP map for 51.163.16.0/21

51.163.16.0/21 is announced by AS15830 Equinix and seen by 355 peers of 23 RIPE RIS collectors, over 271 different AS paths. Its busiest upstreams are AS3356 Level 3 Parent, LLC (10%), AS1299 TWELVE99 (9%) and AS3257 GTT-BACKBONE (7%). The most common path, used by 11 peers, is AS24482 AS15830.

Routes checked 11:13:37 UTC

No change in the origin, the upstreams or the number of peers since 11:09 UTC on 26 Oct, when this site first looked at 51.163.16.0/21.

AS-path graph toward 51.163.16.0/21

origin Tier 2edge network prefix best path: chosen by 11 of 355 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 271 paths drawn 6 quieter networks left out

View JSON Raw upstream

355collector peers

23RIS collectors

271distinct AS paths

2.5average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS3356 Level 3 Parent, LLC	35	10%
AS1299 TWELVE99 Arelion Sweden AB	31	9%
AS3257 GTT-BACKBONE GTT Communications Inc.	24	7%
AS24482 SG.GS	11	3%
AS6939 Hurricane Electric LLC	9	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS14840 BR.Digital Telecom	5	1%
AS13030 INIT7 Init7 (Switzerland) Ltd.	4	1%
AS12779 ITGATE IT.Gate S.p.A.	4	1%
AS47147 AS-ANX Anexia Cloud Solutions GmbH	4	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS3356 Level 3 Parent, LLC	35	10%
AS1299 TWELVE99 Arelion Sweden AB	29	8%
AS3257 GTT-BACKBONE GTT Communications Inc.	23	6%
AS6939 Hurricane Electric LLC	9	3%
AS2914 NTT America, Inc.	6	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	1%
AS174 Cogent Communications, LLC	4	1%
AS37468 Angola Cables	3	<1%
AS6797 GLOBALCONNECT-NET GlobalConnect AB	2	<1%
AS9583 Sify Limited	2	<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 AS15830	11	3%	11
2	AS15830	9	3%	8
3	AS8218 AS15830	7	2%	6
4	AS13030 AS15830	4	1%	4
5	AS12779 AS15830	4	1%	4
6	AS47147 AS15830	4	1%	4
7	AS14840 AS15830	4	1%	2
8	AS9002 AS3257 AS15830	4	1%	4
9	AS48185 AS15830	3	<1%	3
10	AS34927 AS15830	3	<1%	3
11	AS3214 AS15830	3	<1%	3
12	AS51185 AS15830	3	<1%	3
13	AS34019 AS15830	3	<1%	3
14	AS25091 AS15830	3	<1%	3
15	AS48362 AS15830	3	<1%	3
16	AS199524 AS1299 AS15830	3	<1%	3
17	AS6461 AS3356 AS15830	3	<1%	3
18	AS49544 AS3356 AS15830	3	<1%	2
19	AS50628 AS15830	2	<1%	2
20	AS6830 AS15830	2	<1%	2
21	AS25160 AS15830	2	<1%	2
22	AS62167 AS15830	2	<1%	2
23	AS42473 AS15830	2	<1%	2
24	AS1299 AS15830	2	<1%	2
25	AS212483 AS15830	2	<1%	1
26	AS49544 AS15830	2	<1%	2
27	AS199524 AS15830	2	<1%	2
28	AS8529 AS15830	2	<1%	2
29	AS15547 AS15830	2	<1%	2
30	AS47692 AS15830	2	<1%	2
31	AS51184 AS15830	2	<1%	2
32	AS59890 AS15830	2	<1%	2
33	AS202032 AS15830	2	<1%	2
34	AS58057 AS15830	2	<1%	2
35	AS35710 AS15830	2	<1%	2
36	AS20612 AS15830	2	<1%	1
37	AS2914 AS3356 AS15830	2	<1%	2
38	AS3491 AS1299 AS15830	2	<1%	2
39	AS6461 AS1299 AS15830	2	<1%	2
40	AS6762 AS3356 AS15830	2	<1%	2
41	AS35280 AS3356 AS15830	2	<1%	2
42	AS31027 AS6797 AS15830	2	<1%	1
43	AS142289 AS9583 AS6453 AS1299 AS15830	2	<1%	1
44	AS37721 AS15830	1	<1%	1
45	AS50300 AS15830	1	<1%	1
46	AS3333 AS15830	1	<1%	1
47	AS38001 AS15830	1	<1%	1
48	AS17639 AS15830	1	<1%	1
49	AS50304 AS15830	1	<1%	1
50	AS59919 AS15830	1	<1%	1

50 of 271 paths shown. All of them are in the JSON.

More prefixes from AS15830

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 07:59 UTC, fetched just now.