BGP map for 203.178.128.0/17

203.178.128.0/17 is announced by AS2500 WIDE Project and seen by 327 peers of 23 RIPE RIS collectors, over 253 different AS paths. Its busiest upstreams are AS2914 NTT America, Inc. (51%), AS17676 SoftBank Corp. (27%) and AS6939 Hurricane Electric LLC (12%). The most common path, used by 11 peers, is AS24482 AS2500.

Routes checked 17:12:24 UTC

No change in the origin, the upstreams or the number of peers since 17:12 UTC, when this site first looked at 203.178.128.0/17.

AS-path graph toward 203.178.128.0/17

origin Tier 1Tier 2edge network prefix best path: chosen by 11 of 327 peers (3%) number on a line = peers using that link RIS data up to 17:11 UTC what the colours mean 12 of 253 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

327collector peers

23RIS collectors

253distinct AS paths

3.8average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS2914 NTT America, Inc.	167	51%
AS17676 SoftBank Corp.	87	27%
AS6939 Hurricane Electric LLC	39	12%
AS24482 SG.GS	11	3%
AS7660 Asia Pacific Advanced Network - Japan	5	2%
AS2497 Internet Initiative Japan Inc.	2	<1%
AS9583 Sify Limited	2	<1%
AS9002 RETN-AS RETN Limited	2	<1%
AS18106 Viewqwest Pte Ltd	1	<1%
AS14907 Wikimedia Foundation Inc.	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS2914 NTT America, Inc.	164	50%
AS17676 SoftBank Corp.	87	27%
AS1299 TWELVE99 Arelion Sweden AB	49	15%
AS6939 Hurricane Electric LLC	39	12%
AS3356 Level 3 Parent, LLC	21	6%
AS3303 SWISSCOM Swisscom (Schweiz) AG	16	5%
AS701 Verizon Business	15	5%
AS6461 Zayo Bandwidth	11	3%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	9	3%
AS9002 RETN-AS RETN Limited	9	3%

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 AS2500	11	3%	11
2	AS8218 AS6461 AS2914 AS2500	7	2%	6
3	AS6461 AS2914 AS2500	5	2%	5
4	AS12779 AS2914 AS2500	4	1%	4
5	AS13030 AS1299 AS17676 AS2500	4	1%	4
6	AS14840 AS701 AS17676 AS2500	4	1%	2
7	AS2914 AS2500	3	<1%	3
8	AS9002 AS2914 AS2500	3	<1%	3
9	AS48185 AS2914 AS2500	3	<1%	3
10	AS25091 AS2914 AS2500	3	<1%	3
11	AS34927 AS1299 AS17676 AS2500	3	<1%	3
12	AS51185 AS6762 AS2914 AS2500	3	<1%	3
13	AS34019 AS3303 AS6939 AS2500	3	<1%	3
14	AS199524 AS1299 AS17676 AS2500	3	<1%	3
15	AS2497 AS2500	2	<1%	2
16	AS3257 AS17676 AS2500	2	<1%	2
17	AS6830 AS2914 AS2500	2	<1%	2
18	AS3320 AS2914 AS2500	2	<1%	2
19	AS3491 AS2914 AS2500	2	<1%	2
20	AS25160 AS2914 AS2500	2	<1%	2
21	AS1299 AS17676 AS2500	2	<1%	2
22	AS14907 AS2914 AS2500	2	<1%	2
23	AS142289 AS9583 AS2500	2	<1%	1
24	AS8529 AS6939 AS2500	2	<1%	2
25	AS6762 AS2914 AS2500	2	<1%	2
26	AS199524 AS2914 AS2500	2	<1%	2
27	AS47692 AS2914 AS2500	2	<1%	2
28	AS49544 AS17676 AS2500	2	<1%	2
29	AS59890 AS6939 AS2500	2	<1%	2
30	AS35280 AS2914 AS2500	2	<1%	2
31	AS19151 AS17676 AS2500	2	<1%	2
32	AS62167 AS3356 AS2914 AS2500	2	<1%	2
33	AS49544 AS3356 AS2914 AS2500	2	<1%	1
34	AS31027 AS1299 AS17676 AS2500	2	<1%	1
35	AS35710 AS3320 AS2914 AS2500	2	<1%	2
36	AS15547 AS3303 AS6939 AS2500	2	<1%	2
37	AS51184 AS47692 AS2914 AS2500	2	<1%	2
38	AS48362 AS1764 AS2914 AS2500	2	<1%	2
39	AS47147 AS1299 AS17676 AS2500	2	<1%	2
40	AS271253 AS3356 AS2914 AS2500	2	<1%	1
41	AS58057 AS1836 AS3356 AS2914 AS2500	2	<1%	2
42	AS20612 AS8758 AS3303 AS6939 AS2500	2	<1%	1
43	AS58057 AS34549 AS174 AS701 AS17676 AS2500	2	<1%	2
44	AS2500	1	<1%	1
45	AS18106 AS2500	1	<1%	1
46	AS14907 AS2500	1	<1%	1
47	AS199524 AS2500	1	<1%	1
48	AS9002 AS2500	1	<1%	1
49	AS49544 AS2500	1	<1%	1
50	AS35280 AS2500	1	<1%	1

50 of 253 paths shown. All of them are in the JSON.

More prefixes from AS2500

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 17:11 UTC, fetched 3 hours ago.