BGP map for 151.101.40.0/22

151.101.40.0/22 is announced by AS54113 Fastly, Inc. and seen by 328 peers of 23 RIPE RIS collectors, over 261 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (33%), AS3356 Level 3 Parent, LLC (22%) and AS2914 NTT America, Inc. (16%). The most common path, used by 11 peers, is AS24482 AS54113.

Routes checked 22:50:51 UTC

No change in the origin, the upstreams or the number of peers since 22:50 UTC, when this site first looked at 151.101.40.0/22.

AS-path graph toward 151.101.40.0/22

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 328 peers (3%) number on a line = peers using that link RIS data up to 22:50 UTC what the colours mean 12 of 261 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

328collector peers

23RIS collectors

261distinct 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	109	33%
AS3356 Level 3 Parent, LLC	71	22%
AS2914 NTT America, Inc.	53	16%
AS174 Cogent Communications, LLC	52	16%
AS6939 Hurricane Electric LLC	15	5%
AS24482 SG.GS	11	3%
AS8220 COLT COLT Technology Services Group Limited	3	<1%
AS7922 Comcast Cable Communications, LLC	3	<1%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS19151 BroadbandONE, LLC	2	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	107	33%
AS3356 Level 3 Parent, LLC	71	22%
AS174 Cogent Communications, LLC	52	16%
AS2914 NTT America, Inc.	50	15%
AS6939 Hurricane Electric LLC	15	5%
AS6461 Zayo Bandwidth	8	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS35625 EUROFIBER-FRANCE Eurofiber France SAS	4	1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	4	1%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	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 AS6461 AS3356 AS54113	6	2%	5
3	AS199524 AS1299 AS54113	5	2%	5
4	AS13030 AS1299 AS54113	4	1%	4
5	AS9002 AS2914 AS54113	4	1%	4
6	AS14840 AS3356 AS54113	4	1%	2
7	AS47147 AS1299 AS54113	4	1%	4
8	AS2914 AS54113	3	<1%	3
9	AS34927 AS1299 AS54113	3	<1%	3
10	AS6461 AS3356 AS54113	3	<1%	3
11	AS48362 AS1299 AS54113	3	<1%	3
12	AS1299 AS54113	2	<1%	2
13	AS49544 AS54113	2	<1%	2
14	AS19151 AS54113	2	<1%	2
15	AS3257 AS3356 AS54113	2	<1%	2
16	AS6461 AS2914 AS54113	2	<1%	2
17	AS3320 AS1299 AS54113	2	<1%	2
18	AS25160 AS2914 AS54113	2	<1%	2
19	AS12779 AS174 AS54113	2	<1%	2
20	AS42473 AS1299 AS54113	2	<1%	2
21	AS49544 AS3356 AS54113	2	<1%	1
22	AS31027 AS1299 AS54113	2	<1%	1
23	AS49544 AS2914 AS54113	2	<1%	2
24	AS8529 AS3356 AS54113	2	<1%	2
25	AS35280 AS2914 AS54113	2	<1%	2
26	AS14907 AS1299 AS54113	2	<1%	2
27	AS15547 AS174 AS54113	2	<1%	2
28	AS47692 AS2914 AS54113	2	<1%	2
29	AS12779 AS2914 AS54113	2	<1%	2
30	AS199524 AS174 AS54113	2	<1%	2
31	AS59890 AS3356 AS54113	2	<1%	2
32	AS271253 AS3356 AS54113	2	<1%	1
33	AS917 AS60068 AS174 AS54113	2	<1%	2
34	AS58057 AS34549 AS1299 AS54113	2	<1%	2
35	AS35710 AS3320 AS3356 AS54113	2	<1%	2
36	AS34019 AS35625 AS3356 AS54113	2	<1%	2
37	AS51184 AS47692 AS2914 AS54113	2	<1%	2
38	AS20612 AS8758 AS8220 AS54113	2	<1%	1
39	AS142289 AS9583 AS6453 AS1299 AS54113	2	<1%	1
40	AS1828 AS54113	1	<1%	1
41	AS36236 AS54113	1	<1%	1
42	AS35280 AS54113	1	<1%	1
43	AS199524 AS54113	1	<1%	1
44	AS15692 AS2914 AS54113	1	<1%	1
45	AS36924 AS1299 AS54113	1	<1%	1
46	AS6894 AS174 AS54113	1	<1%	1
47	AS31742 AS1299 AS54113	1	<1%	1
48	AS35266 AS2914 AS54113	1	<1%	1
49	AS6830 AS1299 AS54113	1	<1%	1
50	AS3491 AS1299 AS54113	1	<1%	1

50 of 261 paths shown. All of them are in the JSON.

More prefixes from AS54113

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 22:50 UTC, fetched just now.