BGP map for 66.81.176.0/21

66.81.176.0/21 is announced by AS15704 AS15704 and seen by 326 peers of 23 RIPE RIS collectors, over 262 different AS paths. Its busiest upstreams are AS5511 Opentransit (70%), AS174 Cogent Communications, LLC (24%) and AS6453 TATA COMMUNICATIONS (AMERICA) INC (5%). The most common path, used by 7 peers, is AS8218 AS6461 AS5511 AS15704.

Routes checked 17:40:03 UTC

No change in the origin, the upstreams or the number of peers since 03:23 UTC on 29 Oct, when this site first looked at 66.81.176.0/21.

AS-path graph toward 66.81.176.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 7 of 326 peers (2%) number on a line = peers using that link RIS data up to 17:39 UTC what the colours mean 12 of 262 paths drawn 4 quieter networks left out

View JSON Raw upstream

326collector peers

23RIS collectors

262distinct AS paths

3.8average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS5511 Opentransit Orange S.A.	228	70%
AS174 Cogent Communications, LLC	77	24%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	16	5%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS51185 MAINSTREAMING-AS MainStreaming SpA	1	<1%
AS29680 VOZTELECOM Gamma Operadora de Comunicaciones S.A.	1	<1%
AS60068 CDN77 Datacamp Limited	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS5511 Opentransit Orange S.A.	227	70%
AS174 Cogent Communications, LLC	77	24%
AS1299 TWELVE99 Arelion Sweden AB	76	23%
AS6939 Hurricane Electric LLC	20	6%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	18	6%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	15	5%
AS2914 NTT America, Inc.	14	4%
AS6461 Zayo Bandwidth	11	3%
AS9002 RETN-AS RETN Limited	10	3%
AS3320 DTAG Deutsche Telekom AG	8	2%

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	AS8218 AS6461 AS5511 AS15704	7	2%	6
2	AS24482 AS2914 AS6453 AS15704	7	2%	7
3	AS6461 AS5511 AS15704	5	2%	5
4	AS9002 AS5511 AS15704	4	1%	4
5	AS13030 AS1299 AS5511 AS15704	4	1%	4
6	AS3491 AS174 AS15704	3	<1%	3
7	AS25091 AS5511 AS15704	3	<1%	3
8	AS48185 AS1299 AS5511 AS15704	3	<1%	3
9	AS14907 AS1299 AS5511 AS15704	3	<1%	3
10	AS14840 AS6762 AS5511 AS15704	3	<1%	2
11	AS199524 AS1299 AS5511 AS15704	3	<1%	3
12	AS49544 AS15704	2	<1%	2
13	AS3257 AS174 AS15704	2	<1%	2
14	AS6830 AS5511 AS15704	2	<1%	2
15	AS3320 AS5511 AS15704	2	<1%	2
16	AS2914 AS6453 AS15704	2	<1%	2
17	AS25160 AS174 AS15704	2	<1%	2
18	AS1299 AS5511 AS15704	2	<1%	2
19	AS15547 AS174 AS15704	2	<1%	2
20	AS12779 AS174 AS15704	2	<1%	2
21	AS6762 AS5511 AS15704	2	<1%	2
22	AS199524 AS5511 AS15704	2	<1%	2
23	AS2497 AS5511 AS15704	2	<1%	2
24	AS19151 AS174 AS15704	2	<1%	2
25	AS34927 AS1299 AS5511 AS15704	2	<1%	2
26	AS58057 AS1836 AS5511 AS15704	2	<1%	2
27	AS58057 AS34549 AS5511 AS15704	2	<1%	2
28	AS49544 AS3356 AS174 AS15704	2	<1%	1
29	AS31027 AS1299 AS5511 AS15704	2	<1%	1
30	AS35710 AS3320 AS5511 AS15704	2	<1%	2
31	AS8529 AS1299 AS5511 AS15704	2	<1%	2
32	AS51184 AS1764 AS174 AS15704	2	<1%	2
33	AS48362 AS9002 AS5511 AS15704	2	<1%	2
34	AS34019 AS25091 AS5511 AS15704	2	<1%	2
35	AS51185 AS6762 AS5511 AS15704	2	<1%	2
36	AS47147 AS3320 AS5511 AS15704	2	<1%	2
37	AS47147 AS1299 AS5511 AS15704	2	<1%	2
38	AS59890 AS6939 AS5511 AS15704	2	<1%	2
39	AS24482 AS2914 AS174 AS15704	2	<1%	2
40	AS142289 AS9583 AS4755 AS6453 AS15704	2	<1%	1
41	AS47692 AS33891 AS1299 AS5511 AS15704	2	<1%	2
42	AS5511 AS15704	1	<1%	1
43	AS51185 AS15704	1	<1%	1
44	AS6453 AS15704	1	<1%	1
45	AS29680 AS15704	1	<1%	1
46	AS15692 AS174 AS15704	1	<1%	1
47	AS6894 AS174 AS15704	1	<1%	1
48	AS39122 AS174 AS15704	1	<1%	1
49	AS14630 AS5511 AS15704	1	<1%	1
50	AS3170 AS174 AS15704	1	<1%	1

50 of 262 paths shown. All of them are in the JSON.

More prefixes from AS15704

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 17:39 UTC, fetched just now.