BGP map for 170.251.180.0/23

170.251.180.0/23 is announced by AS3573 Accenture LLP and seen by 357 peers of 23 RIPE RIS collectors, over 261 different AS paths. Its busiest upstreams are AS8220 COLT (50%) and AS13237 LAMBDANET-AS (50%). The most common path, used by 14 peers, is AS8220 AS3573.

Routes checked 10:47:04 UTC

No change in the origin, the upstreams or the number of peers since 18:45 UTC on 28 Oct, when this site first looked at 170.251.180.0/23.

AS-path graph toward 170.251.180.0/23

origin Tier 1Tier 2transitedge network prefix best path: chosen by 14 of 357 peers (4%) number on a line = peers using that link RIS data up to 10:46 UTC what the colours mean 12 of 261 paths drawn 5 quieter networks left out

View JSON Raw upstream

357collector peers

23RIS collectors

261distinct AS paths

3.4average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS8220 COLT COLT Technology Services Group Limited	180	50%
AS13237 LAMBDANET-AS euNetworks GmbH	177	50%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS13237 LAMBDANET-AS euNetworks GmbH	171	48%
AS8220 COLT COLT Technology Services Group Limited	166	46%
AS3356 Level 3 Parent, LLC	21	6%
AS3257 GTT-BACKBONE GTT Communications Inc.	14	4%
AS1299 TWELVE99 Arelion Sweden AB	14	4%
AS6939 Hurricane Electric LLC	9	3%
AS3491 PCCW Global (HK) Ltd.	5	1%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	4	1%
AS174 Cogent Communications, LLC	4	1%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	3	<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	AS8220 AS3573	14	4%	13
2	AS8218 AS8220 AS3573	7	2%	6
3	AS24482 AS8220 AS3573	7	2%	7
4	AS13237 AS3573	6	2%	6
5	AS6461 AS8220 AS3573	5	1%	5
6	AS14907 AS8220 AS3573	4	1%	4
7	AS14840 AS13237 AS3573	4	1%	2
8	AS49544 AS8220 AS3573	4	1%	4
9	AS199524 AS8220 AS3573	4	1%	4
10	AS47147 AS8220 AS3573	4	1%	4
11	AS9002 AS3257 AS13237 AS3573	4	1%	4
12	AS3491 AS8220 AS3573	3	<1%	3
13	AS13030 AS8220 AS3573	3	<1%	3
14	AS48185 AS13237 AS3573	3	<1%	3
15	AS34927 AS13237 AS3573	3	<1%	3
16	AS3214 AS13237 AS3573	3	<1%	3
17	AS51185 AS8220 AS3573	3	<1%	3
18	AS35280 AS8220 AS3573	3	<1%	3
19	AS34019 AS13237 AS3573	3	<1%	3
20	AS25091 AS13237 AS3573	3	<1%	3
21	AS48362 AS13237 AS3573	3	<1%	3
22	AS6830 AS8220 AS3573	2	<1%	2
23	AS62167 AS13237 AS3573	2	<1%	2
24	AS25160 AS8220 AS3573	2	<1%	2
25	AS12779 AS8220 AS3573	2	<1%	2
26	AS42473 AS8220 AS3573	2	<1%	2
27	AS51185 AS13237 AS3573	2	<1%	2
28	AS50628 AS13237 AS3573	2	<1%	2
29	AS35710 AS13237 AS3573	2	<1%	2
30	AS8529 AS8220 AS3573	2	<1%	2
31	AS212483 AS13237 AS3573	2	<1%	1
32	AS15547 AS13237 AS3573	2	<1%	2
33	AS24482 AS13237 AS3573	2	<1%	2
34	AS51184 AS13237 AS3573	2	<1%	2
35	AS47692 AS8220 AS3573	2	<1%	2
36	AS58057 AS13237 AS3573	2	<1%	2
37	AS59890 AS13237 AS3573	2	<1%	2
38	AS20612 AS13237 AS3573	2	<1%	1
39	AS202032 AS13237 AS3573	2	<1%	2
40	AS2497 AS8220 AS3573	2	<1%	2
41	AS19151 AS8220 AS3573	2	<1%	2
42	AS2914 AS3356 AS8220 AS3573	2	<1%	2
43	AS49544 AS3356 AS8220 AS3573	2	<1%	1
44	AS271253 AS3356 AS8220 AS3573	2	<1%	1
45	AS142289 AS9583 AS4755 AS6453 AS8220 AS3573	2	<1%	1
46	AS48070 AS13237 AS3573	1	<1%	1
47	AS6894 AS13237 AS3573	1	<1%	1
48	AS31742 AS13237 AS3573	1	<1%	1
49	AS35266 AS13237 AS3573	1	<1%	1
50	AS1828 AS13237 AS3573	1	<1%	1

50 of 261 paths shown. All of them are in the JSON.

More prefixes from AS3573

Routes seen by RIPE RIS in the 24 hours up to 1 Nov 2026, 10:46 UTC, fetched just now.