BGP map for 66.220.144.0/21

66.220.144.0/21 is announced by AS32934 Facebook, Inc. and seen by 348 peers of 23 RIPE RIS collectors, over 252 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (6%), AS2914 NTT America, Inc. (3%) and AS24482 SG.GS (3%). The most common path, used by 11 peers, is AS24482 AS32934.

Routes checked 23:35:50 UTC

No change in the origin, the upstreams or the number of peers since 23:35 UTC, when this site first looked at 66.220.144.0/21.

AS-path graph toward 66.220.144.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 348 peers (3%) number on a line = peers using that link RIS data up to 23:35 UTC what the colours mean 12 of 252 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

348collector peers

23RIS collectors

252distinct AS paths

2.4average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	20	6%
AS2914 NTT America, Inc.	12	3%
AS24482 SG.GS	11	3%
AS9002 RETN-AS RETN Limited	11	3%
AS3356 Level 3 Parent, LLC	10	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	2%
AS199524 GCORE G-Core Labs S.A.	7	2%
AS13030 INIT7 Init7 (Switzerland) Ltd.	7	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	2%
AS6461 Zayo Bandwidth	5	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	20	6%
AS3356 Level 3 Parent, LLC	10	3%
AS2914 NTT America, Inc.	9	3%
AS9002 RETN-AS RETN Limited	7	2%
AS60068 CDN77 Datacamp Limited	4	1%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	4	1%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS1299 TWELVE99 Arelion Sweden AB	4	1%
AS8758 IWAY Iway AG	3	<1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	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 AS32934	11	3%	11
2	AS8218 AS32934	7	2%	6
3	AS199524 AS32934	7	2%	7
4	AS32934	6	2%	4
5	AS6461 AS32934	5	1%	5
6	AS51185 AS32934	5	1%	5
7	AS13030 AS32934	4	1%	4
8	AS9002 AS32934	4	1%	4
9	AS12779 AS32934	4	1%	4
10	AS14907 AS32934	4	1%	4
11	AS14840 AS32934	4	1%	2
12	AS47147 AS9002 AS32934	4	1%	4
13	AS2914 AS32934	3	<1%	3
14	AS48185 AS32934	3	<1%	3
15	AS34927 AS32934	3	<1%	3
16	AS3214 AS32934	3	<1%	3
17	AS49544 AS32934	3	<1%	3
18	AS35280 AS32934	3	<1%	3
19	AS34019 AS32934	3	<1%	3
20	AS25091 AS32934	3	<1%	3
21	AS48362 AS32934	3	<1%	3
22	AS6830 AS32934	2	<1%	2
23	AS3491 AS32934	2	<1%	2
24	AS62167 AS32934	2	<1%	2
25	AS25160 AS32934	2	<1%	2
26	AS50628 AS32934	2	<1%	2
27	AS31027 AS32934	2	<1%	1
28	AS35710 AS32934	2	<1%	2
29	AS8529 AS32934	2	<1%	2
30	AS212483 AS32934	2	<1%	1
31	AS15547 AS32934	2	<1%	2
32	AS6762 AS32934	2	<1%	2
33	AS51184 AS32934	2	<1%	2
34	AS47692 AS32934	2	<1%	2
35	AS2497 AS32934	2	<1%	2
36	AS19151 AS32934	2	<1%	2
37	AS917 AS60068 AS32934	2	<1%	2
38	AS3320 AS6762 AS32934	2	<1%	2
39	AS1299 AS174 AS32934	2	<1%	2
40	AS58057 AS1836 AS32934	2	<1%	2
41	AS49544 AS3356 AS32934	2	<1%	1
42	AS59890 AS60068 AS32934	2	<1%	2
43	AS20612 AS8758 AS32934	2	<1%	1
44	AS271253 AS3356 AS32934	2	<1%	1
45	AS58057 AS34549 AS2914 AS32934	2	<1%	2
46	AS142289 AS9583 AS4755 AS6453 AS32934	2	<1%	1
47	AS36924 AS32934	1	<1%	1
48	AS48070 AS32934	1	<1%	1
49	AS6894 AS32934	1	<1%	1
50	AS31742 AS32934	1	<1%	1

50 of 252 paths shown. All of them are in the JSON.

More prefixes from AS32934

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 23:35 UTC, fetched just now.