BGP map for 66.220.144.0/21

66.220.144.0/21 is announced by AS32934 Facebook, Inc. and seen by 346 peers of 23 RIPE RIS collectors, over 253 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (4%), AS24482 SG.GS (3%) and AS9002 RETN-AS (3%). The most common path, used by 10 peers, is AS24482 AS32934.

Routes checked 15:26:35 UTC

No change in the origin, the upstreams or the number of peers since 07:29 UTC on 27 Oct, 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 10 of 346 peers (3%) number on a line = peers using that link RIS data up to 15:25 UTC what the colours mean 12 of 253 paths drawn 5 quieter networks left out

View JSON Raw upstream

346collector peers

23RIS collectors

253distinct AS paths

2.4average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	15	4%
AS24482 SG.GS	10	3%
AS9002 RETN-AS RETN Limited	10	3%
AS3356 Level 3 Parent, LLC	9	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	8	2%
AS13030 INIT7 Init7 (Switzerland) Ltd.	7	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	7	2%
AS199524 GCORE G-Core Labs S.A.	6	2%
AS2914 NTT America, Inc.	6	2%
AS6461 Zayo Bandwidth	5	1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	15	4%
AS3356 Level 3 Parent, LLC	9	3%
AS9002 RETN-AS RETN Limited	6	2%
AS1299 TWELVE99 Arelion Sweden AB	6	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	1%
AS60068 CDN77 Datacamp Limited	4	1%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS3257 GTT-BACKBONE GTT Communications Inc.	4	1%
AS6939 Hurricane Electric LLC	4	1%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	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	10	3%	10
2	AS8218 AS32934	7	2%	6
3	AS32934	6	2%	4
4	AS199524 AS32934	6	2%	6
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	AS14907 AS32934	4	1%	4
10	AS14840 AS32934	4	1%	2
11	AS47147 AS9002 AS32934	4	1%	4
12	AS2914 AS32934	3	<1%	3
13	AS12779 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	AS35710 AS32934	2	<1%	2
28	AS8529 AS32934	2	<1%	2
29	AS212483 AS32934	2	<1%	1
30	AS15547 AS32934	2	<1%	2
31	AS6762 AS32934	2	<1%	2
32	AS51184 AS32934	2	<1%	2
33	AS47692 AS32934	2	<1%	2
34	AS2497 AS32934	2	<1%	2
35	AS19151 AS32934	2	<1%	2
36	AS917 AS60068 AS32934	2	<1%	2
37	AS3320 AS6762 AS32934	2	<1%	2
38	AS1299 AS174 AS32934	2	<1%	2
39	AS58057 AS1836 AS32934	2	<1%	2
40	AS58057 AS34549 AS32934	2	<1%	2
41	AS49544 AS3356 AS32934	2	<1%	1
42	AS31027 AS6797 AS32934	2	<1%	1
43	AS59890 AS60068 AS32934	2	<1%	2
44	AS20612 AS9044 AS32934	2	<1%	1
45	AS271253 AS3356 AS32934	2	<1%	1
46	AS142289 AS9583 AS4755 AS6453 AS32934	2	<1%	1
47	AS48070 AS32934	1	<1%	1
48	AS6894 AS32934	1	<1%	1
49	AS31742 AS32934	1	<1%	1
50	AS35266 AS32934	1	<1%	1

50 of 253 paths shown. All of them are in the JSON.

More prefixes from AS32934

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 15:25 UTC, fetched 3 hours ago.