BGP map for 2001:500:202::/48

2001:500:202::/48 is announced by AS4 University of Southern California and seen by 350 peers of 23 RIPE RIS collectors, over 248 different AS paths. Its busiest upstreams are AS567 Los Nettos (66%) and AS226 Los Nettos (34%). The most common path, used by 14 peers, is AS6939 AS2152 AS567 AS4.

Routes checked 01:16:24 UTC

No change in the origin, the upstreams or the number of peers since 01:16 UTC, when this site first looked at 2001:500:202::/48.

AS-path graph toward 2001:500:202::/48

origin Tier 1Tier 2transitedge network prefix best path: chosen by 14 of 350 peers (4%) number on a line = peers using that link RIS data up to 01:15 UTC what the colours mean 12 of 248 paths drawn 1 quieter network left out

Download PNG View JSON Raw upstream

350collector peers

23RIS collectors

248distinct AS paths

4.9average AS hops, 3 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS567 Los Nettos	231	66%
AS226 Los Nettos	119	34%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS2152 CENIC	231	66%
AS567 Los Nettos	231	66%
AS6939 Hurricane Electric LLC	205	59%
AS226 Los Nettos	119	34%
AS2914 NTT America, Inc.	115	33%
AS174 Cogent Communications, LLC	7	2%
AS3356 Level 3 Parent, LLC	6	2%
AS9002 RETN-AS RETN Limited	5	1%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	1%
AS3303 SWISSCOM Swisscom (Schweiz) AG	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	AS6939 AS2152 AS567 AS4	14	4%	13
2	AS24482 AS6939 AS2152 AS567 AS4	11	3%	11
3	AS8218 AS6939 AS2152 AS567 AS4	7	2%	6
4	AS9002 AS2914 AS226 AS4	5	1%	5
5	AS6461 AS2914 AS226 AS4	5	1%	5
6	AS13030 AS2914 AS226 AS4	4	1%	4
7	AS34927 AS6939 AS2152 AS567 AS4	4	1%	3
8	AS14840 AS6939 AS2152 AS567 AS4	4	1%	2
9	AS12779 AS6939 AS2152 AS567 AS4	4	1%	4
10	AS2914 AS226 AS4	3	<1%	3
11	AS3491 AS2914 AS226 AS4	3	<1%	3
12	AS35280 AS2914 AS226 AS4	3	<1%	3
13	AS25091 AS2914 AS226 AS4	3	<1%	3
14	AS51185 AS6939 AS2152 AS567 AS4	3	<1%	3
15	AS48185 AS6939 AS2152 AS567 AS4	3	<1%	3
16	AS49544 AS6939 AS2152 AS567 AS4	3	<1%	3
17	AS3214 AS6939 AS2152 AS567 AS4	3	<1%	3
18	AS48362 AS6939 AS2152 AS567 AS4	3	<1%	3
19	AS58057 AS6939 AS2152 AS567 AS4	3	<1%	2
20	AS15547 AS3303 AS2914 AS226 AS4	3	<1%	3
21	AS2497 AS2914 AS226 AS4	2	<1%	2
22	AS11164 AS2152 AS567 AS4	2	<1%	2
23	AS19151 AS2152 AS567 AS4	2	<1%	2
24	AS6762 AS2914 AS226 AS4	2	<1%	2
25	AS37721 AS2914 AS226 AS4	2	<1%	1
26	AS3257 AS2914 AS226 AS4	2	<1%	2
27	AS47692 AS2914 AS226 AS4	2	<1%	2
28	AS199524 AS2914 AS226 AS4	2	<1%	2
29	AS3320 AS2914 AS226 AS4	2	<1%	2
30	AS6830 AS2914 AS226 AS4	2	<1%	2
31	AS12859 AS2914 AS226 AS4	2	<1%	1
32	AS25160 AS2914 AS226 AS4	2	<1%	2
33	AS49544 AS2152 AS567 AS4	2	<1%	2
34	AS852 AS6939 AS2152 AS567 AS4	2	<1%	2
35	AS1403 AS6939 AS2152 AS567 AS4	2	<1%	1
36	AS31027 AS6939 AS2152 AS567 AS4	2	<1%	1
37	AS1299 AS6939 AS2152 AS567 AS4	2	<1%	2
38	AS6667 AS6939 AS2152 AS567 AS4	2	<1%	2
39	AS34019 AS6939 AS2152 AS567 AS4	2	<1%	2
40	AS51184 AS47692 AS2914 AS226 AS4	2	<1%	2
41	AS14907 AS6939 AS2152 AS567 AS4	2	<1%	2
42	AS42473 AS6939 AS2152 AS567 AS4	2	<1%	2
43	AS62167 AS6939 AS2152 AS567 AS4	2	<1%	2
44	AS202032 AS6939 AS2152 AS567 AS4	2	<1%	2
45	AS199524 AS6939 AS2152 AS567 AS4	2	<1%	2
46	AS28917 AS6939 AS2152 AS567 AS4	2	<1%	1
47	AS59890 AS6939 AS2152 AS567 AS4	2	<1%	2
48	AS206271 AS60707 AS6939 AS2152 AS567 AS4	2	<1%	1
49	AS142289 AS9583 AS6939 AS2152 AS567 AS4	2	<1%	1
50	AS47147 AS1299 AS6939 AS2152 AS567 AS4	2	<1%	2

50 of 248 paths shown. All of them are in the JSON.

More prefixes from AS4

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 01:15 UTC, fetched just now.