BGP map for 66.81.168.0/21

66.81.168.0/21 is announced by AS15704 AS15704 and seen by 328 peers of 23 RIPE RIS collectors, over 261 different AS paths. Its busiest upstreams are AS5511 Opentransit (72%), AS6461 Zayo Bandwidth (7%) and AS6939 Hurricane Electric LLC (7%). The most common path, used by 10 peers, is AS24482 AS2914 AS5511 AS15704.

Routes checked 18:49:13 UTC

No change in the origin, the upstreams or the number of peers since 03:22 UTC on 29 Oct, when this site first looked at 66.81.168.0/21.

AS-path graph toward 66.81.168.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 328 peers (3%) number on a line = peers using that link RIS data up to 18:48 UTC what the colours mean 12 of 261 paths drawn 2 quieter networks left out

View JSON Raw upstream

328collector peers

23RIS collectors

261distinct AS paths

3.8average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS5511 Opentransit Orange S.A.	237	72%
AS6461 Zayo Bandwidth	23	7%
AS6939 Hurricane Electric LLC	23	7%
AS13030 INIT7 Init7 (Switzerland) Ltd.	11	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	11	3%
AS8220 COLT COLT Technology Services Group Limited	6	2%
AS22356 Durand do Brasil Ltda	3	<1%
AS212483 level86 LEVEL EIGHTY-SIX COMMUNICATIONS LTD	2	<1%
AS49544 i3Dnet i3D.net B.V	2	<1%
AS37721 Virtual Technologies & Solutions	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS5511 Opentransit Orange S.A.	236	72%
AS1299 TWELVE99 Arelion Sweden AB	44	13%
AS3356 Level 3 Parent, LLC	27	8%
AS2914 NTT America, Inc.	26	8%
AS6939 Hurricane Electric LLC	23	7%
AS174 Cogent Communications, LLC	19	6%
AS6461 Zayo Bandwidth	18	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	12	4%
AS33891 CORE-BACKBONE Core-Backbone GmbH	11	3%
AS3257 GTT-BACKBONE GTT Communications Inc.	10	3%

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 AS5511 AS15704	10	3%	10
2	AS8218 AS6461 AS15704	7	2%	6
3	AS6461 AS15704	5	2%	5
4	AS13030 AS15704	4	1%	4
5	AS9002 AS5511 AS15704	4	1%	4
6	AS2914 AS5511 AS15704	3	<1%	3
7	AS3491 AS5511 AS15704	3	<1%	3
8	AS25091 AS5511 AS15704	3	<1%	3
9	AS14840 AS3356 AS5511 AS15704	3	<1%	2
10	AS212483 AS15704	2	<1%	1
11	AS49544 AS15704	2	<1%	2
12	AS3257 AS5511 AS15704	2	<1%	2
13	AS6830 AS5511 AS15704	2	<1%	2
14	AS3320 AS5511 AS15704	2	<1%	2
15	AS1299 AS5511 AS15704	2	<1%	2
16	AS8529 AS6939 AS15704	2	<1%	2
17	AS199524 AS5511 AS15704	2	<1%	2
18	AS15547 AS8220 AS15704	2	<1%	2
19	AS6762 AS5511 AS15704	2	<1%	2
20	AS47692 AS33891 AS15704	2	<1%	2
21	AS59890 AS6939 AS15704	2	<1%	2
22	AS2497 AS5511 AS15704	2	<1%	2
23	AS25160 AS2914 AS5511 AS15704	2	<1%	2
24	AS34927 AS1299 AS5511 AS15704	2	<1%	2
25	AS58057 AS1836 AS5511 AS15704	2	<1%	2
26	AS58057 AS34549 AS5511 AS15704	2	<1%	2
27	AS49544 AS3356 AS5511 AS15704	2	<1%	1
28	AS31027 AS1299 AS5511 AS15704	2	<1%	1
29	AS35710 AS3320 AS5511 AS15704	2	<1%	2
30	AS49544 AS2914 AS5511 AS15704	2	<1%	2
31	AS199524 AS1299 AS5511 AS15704	2	<1%	2
32	AS35280 AS3356 AS5511 AS15704	2	<1%	2
33	AS34019 AS25091 AS5511 AS15704	2	<1%	2
34	AS47147 AS1299 AS5511 AS15704	2	<1%	2
35	AS12779 AS3257 AS5511 AS15704	2	<1%	2
36	AS51184 AS47692 AS33891 AS15704	2	<1%	2
37	AS48362 AS9002 AS5511 AS15704	2	<1%	2
38	AS51185 AS6762 AS5511 AS15704	2	<1%	2
39	AS47147 AS3320 AS5511 AS15704	2	<1%	2
40	AS20612 AS8758 AS8220 AS15704	2	<1%	1
41	AS271253 AS3356 AS5511 AS15704	2	<1%	1
42	AS19151 AS2914 AS5511 AS15704	2	<1%	2
43	AS142289 AS9583 AS4755 AS6453 AS5511 AS15704	2	<1%	1
44	AS5511 AS15704	1	<1%	1
45	AS37721 AS15704	1	<1%	1
46	AS198150 AS15704	1	<1%	1
47	AS51185 AS15704	1	<1%	1
48	AS8426 AS15704	1	<1%	1
49	AS29680 AS15704	1	<1%	1
50	AS1828 AS6461 AS15704	1	<1%	1

50 of 261 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, 18:48 UTC, fetched just now.