BGP map for 170.251.172.0/23

170.251.172.0/23 is announced by AS21433 AccentureFSSC and seen by 322 peers of 23 RIPE RIS collectors, over 247 different AS paths. Its busiest upstreams are AS174 Cogent Communications, LLC (99%) and AS7018 AT&T Enterprises, LLC (<1%). The most common path, used by 8 peers, is AS24482 AS2914 AS174 AS21433.

Routes checked 18:49:05 UTC

No change in the origin, the upstreams or the number of peers since 01:43 UTC on 26 Oct, when this site first looked at 170.251.172.0/23.

AS-path graph toward 170.251.172.0/23

origin Tier 1Tier 2edge network prefix best path: chosen by 8 of 322 peers (2%) number on a line = peers using that link RIS data up to 18:48 UTC what the colours mean 12 of 247 paths drawn 4 quieter networks left out

View JSON Raw upstream

322collector peers

23RIS collectors

247distinct AS paths

3.8average AS hops, 2 to 8

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	319	99%
AS7018 AT&T Enterprises, LLC	3	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS174 Cogent Communications, LLC	319	99%
AS1299 TWELVE99 Arelion Sweden AB	52	16%
AS2914 NTT America, Inc.	22	7%
AS3356 Level 3 Parent, LLC	20	6%
AS6461 Zayo Bandwidth	12	4%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	11	3%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	8	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	7	2%
AS3257 GTT-BACKBONE GTT Communications Inc.	7	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	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	AS24482 AS2914 AS174 AS21433	8	2%	8
2	AS199524 AS174 AS21433	7	2%	7
3	AS8218 AS6461 AS174 AS21433	7	2%	6
4	AS6461 AS174 AS21433	5	2%	5
5	AS14840 AS174 AS21433	4	1%	2
6	AS13030 AS1299 AS174 AS21433	4	1%	4
7	AS9002 AS3356 AS174 AS21433	4	1%	4
8	AS47147 AS1299 AS174 AS21433	4	1%	4
9	AS2914 AS174 AS21433	3	<1%	3
10	AS3491 AS174 AS21433	3	<1%	3
11	AS12779 AS174 AS21433	3	<1%	3
12	AS34927 AS1299 AS174 AS21433	3	<1%	3
13	AS51185 AS6762 AS174 AS21433	3	<1%	3
14	AS14907 AS1299 AS174 AS21433	3	<1%	3
15	AS3257 AS174 AS21433	2	<1%	2
16	AS6830 AS174 AS21433	2	<1%	2
17	AS3320 AS174 AS21433	2	<1%	2
18	AS62167 AS174 AS21433	2	<1%	2
19	AS6424 AS174 AS21433	2	<1%	2
20	AS25160 AS174 AS21433	2	<1%	2
21	AS1299 AS174 AS21433	2	<1%	2
22	AS15547 AS174 AS21433	2	<1%	2
23	AS6762 AS174 AS21433	2	<1%	2
24	AS59890 AS174 AS21433	2	<1%	2
25	AS271253 AS174 AS21433	2	<1%	1
26	AS2497 AS174 AS21433	2	<1%	2
27	AS19151 AS174 AS21433	2	<1%	2
28	AS917 AS60068 AS174 AS21433	2	<1%	2
29	AS42473 AS1299 AS174 AS21433	2	<1%	2
30	AS55720 AS2914 AS174 AS21433	2	<1%	1
31	AS58057 AS34549 AS174 AS21433	2	<1%	2
32	AS49544 AS3356 AS174 AS21433	2	<1%	1
33	AS35710 AS3320 AS174 AS21433	2	<1%	2
34	AS49544 AS2914 AS174 AS21433	2	<1%	2
35	AS8529 AS6453 AS174 AS21433	2	<1%	2
36	AS35280 AS3356 AS174 AS21433	2	<1%	2
37	AS51184 AS1764 AS174 AS21433	2	<1%	2
38	AS48362 AS1764 AS174 AS21433	2	<1%	2
39	AS49544 AS1299 AS174 AS21433	2	<1%	2
40	AS20612 AS9044 AS174 AS21433	2	<1%	1
41	AS47692 AS33891 AS1299 AS174 AS21433	2	<1%	2
42	AS142289 AS9583 AS4755 AS6453 AS174 AS21433	2	<1%	1
43	AS7018 AS21433	1	<1%	1
44	AS15692 AS174 AS21433	1	<1%	1
45	AS6894 AS174 AS21433	1	<1%	1
46	AS31742 AS174 AS21433	1	<1%	1
47	AS39122 AS174 AS21433	1	<1%	1
48	AS3170 AS174 AS21433	1	<1%	1
49	AS132825 AS174 AS21433	1	<1%	1
50	AS22652 AS174 AS21433	1	<1%	1

50 of 247 paths shown. All of them are in the JSON.

More prefixes from AS21433

Routes seen by RIPE RIS in the 24 hours up to 31 Oct 2026, 18:48 UTC, fetched 4 hours ago.