BGP map for 151.101.204.0/22

151.101.204.0/22 is announced by AS54113 Fastly, Inc. and seen by 337 peers of 23 RIPE RIS collectors, over 266 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (15%), AS9002 RETN-AS (12%) and AS174 Cogent Communications, LLC (12%). The most common path, used by 11 peers, is AS24482 AS54113.

Routes checked 10:57:01 UTC

No change in the origin, the upstreams or the number of peers since 10:12 UTC on 27 Oct, when this site first looked at 151.101.204.0/22.

AS-path graph toward 151.101.204.0/22

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 337 peers (3%) number on a line = peers using that link RIS data up to 07:59 UTC what the colours mean 12 of 266 paths drawn 7 quieter networks left out

View JSON Raw upstream

337collector peers

23RIS collectors

266distinct AS paths

2.9average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	50	15%
AS9002 RETN-AS RETN Limited	41	12%
AS174 Cogent Communications, LLC	40	12%
AS3257 GTT-BACKBONE GTT Communications Inc.	20	6%
AS6939 Hurricane Electric LLC	14	4%
AS24482 SG.GS	11	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS13030 INIT7 Init7 (Switzerland) Ltd.	7	2%
AS33891 CORE-BACKBONE Core-Backbone GmbH	6	2%
AS6461 Zayo Bandwidth	5	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	48	14%
AS174 Cogent Communications, LLC	40	12%
AS9002 RETN-AS RETN Limited	37	11%
AS3257 GTT-BACKBONE GTT Communications Inc.	19	6%
AS6939 Hurricane Electric LLC	14	4%
AS3356 Level 3 Parent, LLC	10	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	6	2%
AS2914 NTT America, Inc.	5	1%
AS8758 IWAY Iway AG	4	1%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	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 AS54113	11	3%	11
2	AS8218 AS54113	7	2%	6
3	AS6461 AS54113	5	1%	5
4	AS13030 AS54113	4	1%	4
5	AS9002 AS54113	4	1%	4
6	AS12779 AS54113	4	1%	4
7	AS47147 AS54113	4	1%	4
8	AS14840 AS174 AS54113	4	1%	2
9	AS48185 AS54113	3	<1%	3
10	AS34019 AS54113	3	<1%	3
11	AS25091 AS54113	3	<1%	3
12	AS48362 AS54113	3	<1%	3
13	AS199524 AS1299 AS54113	3	<1%	3
14	AS34927 AS54113	2	<1%	2
15	AS6830 AS54113	2	<1%	2
16	AS25160 AS54113	2	<1%	2
17	AS1299 AS54113	2	<1%	2
18	AS212483 AS54113	2	<1%	1
19	AS49544 AS54113	2	<1%	2
20	AS8529 AS54113	2	<1%	2
21	AS15547 AS54113	2	<1%	2
22	AS51184 AS54113	2	<1%	2
23	AS34927 AS1299 AS54113	2	<1%	2
24	AS14907 AS1299 AS54113	2	<1%	2
25	AS62167 AS174 AS54113	2	<1%	2
26	AS47692 AS33891 AS54113	2	<1%	2
27	AS59890 AS6939 AS54113	2	<1%	2
28	AS19151 AS9002 AS54113	2	<1%	2
29	AS6762 AS9002 AS54113	2	<1%	2
30	AS271253 AS174 AS54113	2	<1%	1
31	AS199524 AS174 AS54113	2	<1%	2
32	AS3491 AS174 AS54113	2	<1%	2
33	AS20612 AS8758 AS54113	2	<1%	1
34	AS31027 AS6797 AS54113	2	<1%	1
35	AS58057 AS34549 AS1299 AS54113	2	<1%	2
36	AS51185 AS6762 AS9002 AS54113	2	<1%	2
37	AS35710 AS3320 AS3257 AS54113	2	<1%	2
38	AS49544 AS3356 AS9002 AS54113	2	<1%	1
39	AS142289 AS9583 AS4755 AS6453 AS9002 AS54113	2	<1%	1
40	AS54113	1	<1%	1
41	AS37721 AS54113	1	<1%	1
42	AS50300 AS54113	1	<1%	1
43	AS3333 AS54113	1	<1%	1
44	AS1828 AS54113	1	<1%	1
45	AS12969 AS54113	1	<1%	1
46	AS39122 AS54113	1	<1%	1
47	AS14630 AS54113	1	<1%	1
48	AS271253 AS54113	1	<1%	1
49	AS12859 AS54113	1	<1%	1
50	AS1103 AS54113	1	<1%	1

50 of 266 paths shown. All of them are in the JSON.

More prefixes from AS54113

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