BGP map for 57.145.0.0/23

57.145.0.0/23 is announced by AS32934 Facebook, Inc. and seen by 328 peers of 23 RIPE RIS collectors, over 256 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (40%), AS174 Cogent Communications, LLC (29%) and AS2914 NTT America, Inc. (25%). The most common path, used by 11 peers, is AS24482 AS2914 AS32934.

Routes checked 23:13:59 UTC

No change in the origin, the upstreams or the number of peers since 23:13 UTC, when this site first looked at 57.145.0.0/23.

AS-path graph toward 57.145.0.0/23

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 23:13 UTC what the colours mean 12 of 256 paths drawn 5 quieter networks left out

Download PNG View JSON Raw upstream

328collector peers

23RIS collectors

256distinct AS paths

3.4average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	130	40%
AS174 Cogent Communications, LLC	94	29%
AS2914 NTT America, Inc.	82	25%
AS3356 Level 3 Parent, LLC	21	6%
AS1828 Unitas Global	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	128	39%
AS174 Cogent Communications, LLC	94	29%
AS2914 NTT America, Inc.	79	24%
AS3356 Level 3 Parent, LLC	26	8%
AS6461 Zayo Bandwidth	8	2%
AS25091 IP-Max IP-Max SA	5	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS3320 DTAG Deutsche Telekom AG	4	1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	4	1%
AS9002 RETN-AS RETN Limited	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 AS2914 AS32934	11	3%	11
2	AS8218 AS6461 AS174 AS32934	6	2%	5
3	AS199524 AS1299 AS32934	5	2%	5
4	AS13030 AS1299 AS32934	4	1%	4
5	AS9002 AS2914 AS32934	4	1%	4
6	AS14840 AS3356 AS32934	4	1%	2
7	AS199524 AS174 AS32934	4	1%	4
8	AS47147 AS1299 AS32934	4	1%	4
9	AS2914 AS32934	3	<1%	3
10	AS34927 AS1299 AS32934	3	<1%	3
11	AS49544 AS2914 AS32934	3	<1%	3
12	AS35280 AS2914 AS32934	3	<1%	3
13	AS6461 AS174 AS32934	3	<1%	3
14	AS48362 AS1299 AS32934	3	<1%	3
15	AS1299 AS32934	2	<1%	2
16	AS3320 AS1299 AS32934	2	<1%	2
17	AS62167 AS174 AS32934	2	<1%	2
18	AS25160 AS2914 AS32934	2	<1%	2
19	AS12779 AS174 AS32934	2	<1%	2
20	AS42473 AS1299 AS32934	2	<1%	2
21	AS48185 AS2914 AS32934	2	<1%	2
22	AS49544 AS3356 AS32934	2	<1%	1
23	AS31027 AS1299 AS32934	2	<1%	1
24	AS8529 AS1299 AS32934	2	<1%	2
25	AS3491 AS174 AS32934	2	<1%	2
26	AS14907 AS1299 AS32934	2	<1%	2
27	AS15547 AS174 AS32934	2	<1%	2
28	AS47692 AS2914 AS32934	2	<1%	2
29	AS12779 AS2914 AS32934	2	<1%	2
30	AS59890 AS174 AS32934	2	<1%	2
31	AS25091 AS1299 AS32934	2	<1%	2
32	AS271253 AS3356 AS32934	2	<1%	1
33	AS19151 AS2914 AS32934	2	<1%	2
34	AS917 AS60068 AS174 AS32934	2	<1%	2
35	AS58057 AS34549 AS1299 AS32934	2	<1%	2
36	AS35710 AS3320 AS1299 AS32934	2	<1%	2
37	AS51184 AS47692 AS2914 AS32934	2	<1%	2
38	AS34019 AS25091 AS2914 AS32934	2	<1%	2
39	AS20612 AS9044 AS174 AS32934	2	<1%	1
40	AS142289 AS9583 AS6453 AS174 AS32934	2	<1%	1
41	AS1828 AS32934	1	<1%	1
42	AS15692 AS2914 AS32934	1	<1%	1
43	AS36924 AS1299 AS32934	1	<1%	1
44	AS6894 AS174 AS32934	1	<1%	1
45	AS31742 AS1299 AS32934	1	<1%	1
46	AS35266 AS2914 AS32934	1	<1%	1
47	AS3257 AS174 AS32934	1	<1%	1
48	AS6461 AS2914 AS32934	1	<1%	1
49	AS6830 AS1299 AS32934	1	<1%	1
50	AS3491 AS1299 AS32934	1	<1%	1

50 of 256 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, 23:13 UTC, fetched just now.