BGP map for 81.0.0.0/18

81.0.0.0/18 is announced by AS15704 AS15704 and seen by 330 peers of 23 RIPE RIS collectors, over 271 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (29%), AS174 Cogent Communications, LLC (23%) and AS3356 Level 3 Parent, LLC (20%). The most common path, used by 5 peers, is AS8218 AS6461 AS174 AS15704.

Routes checked 12:06:15 UTC

Recent route changes

8 Nov 12:06 UTCAS6939 Hurricane Electric LLC became an upstream, used by 5% of peers

AS-path graph toward 81.0.0.0/18

origin Tier 1Tier 2edge network prefix best path: chosen by 5 of 330 peers (2%) number on a line = peers using that link RIS data up to 09:59 UTC what the colours mean 12 of 271 paths drawn 3 quieter networks left out

View JSON Raw upstream

330collector peers

23RIS collectors

271distinct AS paths

3.4average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	97	29%
AS174 Cogent Communications, LLC	76	23%
AS3356 Level 3 Parent, LLC	66	20%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	36	11%
AS6939 Hurricane Electric LLC	17	5%
AS5511 Opentransit Orange S.A.	12	4%
AS13030 INIT7 Init7 (Switzerland) Ltd.	8	2%
AS33891 CORE-BACKBONE Core-Backbone GmbH	5	2%
AS212483 level86 LEVEL EIGHTY-SIX COMMUNICATIONS LTD	2	<1%
AS49544 i3Dnet i3D.net B.V	2	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	95	29%
AS174 Cogent Communications, LLC	76	23%
AS3356 Level 3 Parent, LLC	66	20%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	35	11%
AS2914 NTT America, Inc.	17	5%
AS6939 Hurricane Electric LLC	17	5%
AS5511 Opentransit Orange S.A.	11	3%
AS6461 Zayo Bandwidth	8	2%
AS33891 CORE-BACKBONE Core-Backbone GmbH	5	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	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 AS174 AS15704	5	2%	5
2	AS13030 AS15704	4	1%	4
3	AS12779 AS174 AS15704	4	1%	4
4	AS47147 AS1299 AS15704	4	1%	4
5	AS199524 AS1299 AS15704	4	1%	4
6	AS14840 AS3356 AS15704	4	1%	2
7	AS24482 AS2914 AS3356 AS15704	4	1%	4
8	AS24482 AS2914 AS6453 AS15704	4	1%	4
9	AS34927 AS1299 AS15704	3	<1%	3
10	AS199524 AS174 AS15704	3	<1%	3
11	AS48362 AS1299 AS15704	3	<1%	3
12	AS6461 AS174 AS15704	3	<1%	3
13	AS49544 AS3356 AS15704	3	<1%	2
14	AS1299 AS15704	2	<1%	2
15	AS212483 AS15704	2	<1%	1
16	AS49544 AS15704	2	<1%	2
17	AS48185 AS3356 AS15704	2	<1%	2
18	AS9002 AS6453 AS15704	2	<1%	2
19	AS6830 AS1299 AS15704	2	<1%	2
20	AS25160 AS174 AS15704	2	<1%	2
21	AS42473 AS1299 AS15704	2	<1%	2
22	AS8529 AS6453 AS15704	2	<1%	2
23	AS15547 AS174 AS15704	2	<1%	2
24	AS47692 AS33891 AS15704	2	<1%	2
25	AS59890 AS3356 AS15704	2	<1%	2
26	AS35280 AS3356 AS15704	2	<1%	2
27	AS19151 AS174 AS15704	2	<1%	2
28	AS2914 AS6453 AS15704	2	<1%	2
29	AS271253 AS3356 AS15704	2	<1%	1
30	AS31027 AS1299 AS15704	2	<1%	1
31	AS58057 AS34549 AS1299 AS15704	2	<1%	2
32	AS34019 AS25091 AS5511 AS15704	2	<1%	2
33	AS51184 AS1764 AS174 AS15704	2	<1%	2
34	AS24482 AS2914 AS1299 AS15704	2	<1%	2
35	AS35710 AS3320 AS1299 AS15704	2	<1%	2
36	AS20612 AS9044 AS1299 AS15704	2	<1%	1
37	AS142289 AS9583 AS4755 AS6453 AS15704	2	<1%	1
38	AS37721 AS15704	1	<1%	1
39	AS5511 AS15704	1	<1%	1
40	AS6453 AS15704	1	<1%	1
41	AS29680 AS15704	1	<1%	1
42	AS8426 AS15704	1	<1%	1
43	AS51185 AS15704	1	<1%	1
44	AS198150 AS15704	1	<1%	1
45	AS55720 AS6939 AS15704	1	<1%	1
46	AS7018 AS1299 AS15704	1	<1%	1
47	AS61218 AS6939 AS15704	1	<1%	1
48	AS852 AS1299 AS15704	1	<1%	1
49	AS50300 AS3356 AS15704	1	<1%	1
50	AS58057 AS174 AS15704	1	<1%	1

50 of 271 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, 09:59 UTC, fetched just now.