BGP map for 144.178.136.0/21

144.178.136.0/21 is announced by AS15704 AS15704 and seen by 328 peers of 23 RIPE RIS collectors, over 254 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (29%), AS3356 Level 3 Parent, LLC (26%) and AS174 Cogent Communications, LLC (10%). The most common path, used by 10 peers, is AS24482 AS15704.

Routes checked 14:12:20 UTC

No change in the origin, the upstreams or the number of peers since 03:26 UTC on 29 Oct, when this site first looked at 144.178.136.0/21.

AS-path graph toward 144.178.136.0/21

origin Tier 1edge network prefix best path: chosen by 10 of 328 peers (3%) number on a line = peers using that link RIS data up to 14:12 UTC what the colours mean 12 of 254 paths drawn 5 quieter networks left out

View JSON Raw upstream

328collector peers

23RIS collectors

254distinct AS paths

3.2average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	96	29%
AS3356 Level 3 Parent, LLC	85	26%
AS174 Cogent Communications, LLC	34	10%
AS6939 Hurricane Electric LLC	16	5%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	11	3%
AS24482 SG.GS	10	3%
AS8218 NEO-ASN Zayo Infrastructure France SA	8	2%
AS6461 Zayo Bandwidth	8	2%
AS13030 INIT7 Init7 (Switzerland) Ltd.	8	2%
AS25091 IP-Max IP-Max SA	8	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	94	29%
AS3356 Level 3 Parent, LLC	85	26%
AS174 Cogent Communications, LLC	34	10%
AS6939 Hurricane Electric LLC	16	5%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	10	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	6	2%
AS2914 NTT America, Inc.	6	2%
AS25091 IP-Max IP-Max SA	5	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	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 AS15704	10	3%	10
2	AS8218 AS15704	7	2%	6
3	AS199524 AS1299 AS15704	6	2%	6
4	AS6461 AS15704	5	2%	5
5	AS13030 AS15704	4	1%	4
6	AS14840 AS3356 AS15704	4	1%	2
7	AS47147 AS1299 AS15704	4	1%	4
8	AS25091 AS15704	3	<1%	3
9	AS2914 AS3356 AS15704	3	<1%	3
10	AS12779 AS174 AS15704	3	<1%	3
11	AS49544 AS3356 AS15704	3	<1%	2
12	AS35280 AS3356 AS15704	3	<1%	3
13	AS48362 AS1299 AS15704	3	<1%	3
14	AS1299 AS15704	2	<1%	2
15	AS212483 AS15704	2	<1%	1
16	AS49544 AS15704	2	<1%	2
17	AS3257 AS3356 AS15704	2	<1%	2
18	AS6830 AS1299 AS15704	2	<1%	2
19	AS3320 AS1299 AS15704	2	<1%	2
20	AS3491 AS1299 AS15704	2	<1%	2
21	AS9002 AS6453 AS15704	2	<1%	2
22	AS62167 AS3356 AS15704	2	<1%	2
23	AS25160 AS1299 AS15704	2	<1%	2
24	AS42473 AS1299 AS15704	2	<1%	2
25	AS34927 AS1299 AS15704	2	<1%	2
26	AS58057 AS34549 AS15704	2	<1%	2
27	AS48185 AS3356 AS15704	2	<1%	2
28	AS31027 AS1299 AS15704	2	<1%	1
29	AS14907 AS1299 AS15704	2	<1%	2
30	AS34019 AS25091 AS15704	2	<1%	2
31	AS15547 AS174 AS15704	2	<1%	2
32	AS6762 AS3356 AS15704	2	<1%	2
33	AS47692 AS33891 AS15704	2	<1%	2
34	AS59890 AS3356 AS15704	2	<1%	2
35	AS271253 AS3356 AS15704	2	<1%	1
36	AS2497 AS3356 AS15704	2	<1%	2
37	AS19151 AS174 AS15704	2	<1%	2
38	AS35710 AS3320 AS1299 AS15704	2	<1%	2
39	AS51184 AS1764 AS3356 AS15704	2	<1%	2
40	AS51185 AS6762 AS3356 AS15704	2	<1%	2
41	AS20612 AS9044 AS1299 AS15704	2	<1%	1
42	AS142289 AS9583 AS4755 AS6453 AS15704	2	<1%	1
43	AS5511 AS15704	1	<1%	1
44	AS37680 AS15704	1	<1%	1
45	AS34549 AS15704	1	<1%	1
46	AS37721 AS15704	1	<1%	1
47	AS6057 AS15704	1	<1%	1
48	AS198150 AS15704	1	<1%	1
49	AS36236 AS15704	1	<1%	1
50	AS51185 AS15704	1	<1%	1

50 of 254 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, 14:12 UTC, fetched just now.