BGP map for 203.73.128.0/18

203.73.128.0/18 is announced by AS4780 Digital United Inc. and seen by 331 peers of 23 RIPE RIS collectors, over 259 different AS paths. Its busiest upstreams are AS9002 RETN-AS (42%), AS3491 PCCW Global (HK) Ltd. (19%) and AS2914 NTT America, Inc. (15%). The most common path, used by 9 peers, is AS24482 AS4780.

Routes checked 20:19:10 UTC

No change in the origin, the upstreams or the number of peers since 20:19 UTC, when this site first looked at 203.73.128.0/18.

AS-path graph toward 203.73.128.0/18

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 331 peers (3%) number on a line = peers using that link RIS data up to 20:18 UTC what the colours mean 12 of 259 paths drawn 3 quieter networks left out

Download PNG View JSON Raw upstream

331collector peers

23RIS collectors

259distinct AS paths

3.5average AS hops, 2 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	140	42%
AS3491 PCCW Global (HK) Ltd.	64	19%
AS2914 NTT America, Inc.	50	15%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	40	12%
AS6939 Hurricane Electric LLC	16	5%
AS24482 SG.GS	9	3%
AS8220 COLT COLT Technology Services Group Limited	6	2%
AS2497 Internet Initiative Japan Inc.	3	<1%
AS4635 Hong Kong Internet Exchange--Route Server 1	1	<1%
AS9304 HGC Global Communications Limited	1	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS9002 RETN-AS RETN Limited	136	41%
AS3491 PCCW Global (HK) Ltd.	61	18%
AS2914 NTT America, Inc.	47	14%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	39	12%
AS1299 TWELVE99 Arelion Sweden AB	27	8%
AS174 Cogent Communications, LLC	17	5%
AS6939 Hurricane Electric LLC	16	5%
AS3356 Level 3 Parent, LLC	15	5%
AS8220 COLT COLT Technology Services Group Limited	6	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	6	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 AS4780	9	3%	9
2	AS8218 AS9002 AS4780	7	2%	6
3	AS9002 AS4780	4	1%	4
4	AS13030 AS3491 AS4780	4	1%	4
5	AS12779 AS2914 AS4780	4	1%	4
6	AS6461 AS9002 AS4780	4	1%	4
7	AS47147 AS9002 AS4780	4	1%	4
8	AS2914 AS4780	3	<1%	3
9	AS3491 AS4780	3	<1%	3
10	AS48185 AS2914 AS4780	3	<1%	3
11	AS3214 AS9002 AS4780	3	<1%	3
12	AS199524 AS9002 AS4780	3	<1%	3
13	AS25091 AS9002 AS4780	3	<1%	3
14	AS48362 AS9002 AS4780	3	<1%	3
15	AS14840 AS3356 AS9002 AS4780	3	<1%	2
16	AS2497 AS4780	2	<1%	2
17	AS6830 AS2914 AS4780	2	<1%	2
18	AS25160 AS2914 AS4780	2	<1%	2
19	AS42473 AS9002 AS4780	2	<1%	2
20	AS1299 AS6453 AS4780	2	<1%	2
21	AS50628 AS6453 AS4780	2	<1%	2
22	AS31027 AS9002 AS4780	2	<1%	1
23	AS14907 AS3491 AS4780	2	<1%	2
24	AS49544 AS9002 AS4780	2	<1%	2
25	AS35280 AS2914 AS4780	2	<1%	2
26	AS15547 AS8220 AS4780	2	<1%	2
27	AS6762 AS9002 AS4780	2	<1%	2
28	AS47692 AS2914 AS4780	2	<1%	2
29	AS59890 AS6939 AS4780	2	<1%	2
30	AS24482 AS9002 AS4780	2	<1%	2
31	AS19151 AS9002 AS4780	2	<1%	2
32	AS199524 AS3491 AS4780	2	<1%	2
33	AS58057 AS1836 AS9002 AS4780	2	<1%	2
34	AS58057 AS34549 AS2914 AS4780	2	<1%	2
35	AS49544 AS3356 AS9002 AS4780	2	<1%	1
36	AS142289 AS9583 AS9002 AS4780	2	<1%	1
37	AS35710 AS3320 AS9002 AS4780	2	<1%	2
38	AS51184 AS47692 AS2914 AS4780	2	<1%	2
39	AS34019 AS25091 AS9002 AS4780	2	<1%	2
40	AS51185 AS6762 AS9002 AS4780	2	<1%	2
41	AS271253 AS3356 AS9002 AS4780	2	<1%	1
42	AS199524 AS174 AS3491 AS4780	2	<1%	2
43	AS6453 AS4780	1	<1%	1
44	AS31742 AS2914 AS4780	1	<1%	1
45	AS35266 AS2914 AS4780	1	<1%	1
46	AS3257 AS6453 AS4780	1	<1%	1
47	AS6461 AS6453 AS4780	1	<1%	1
48	AS1828 AS3491 AS4780	1	<1%	1
49	AS3320 AS6453 AS4780	1	<1%	1
50	AS6424 AS2914 AS4780	1	<1%	1

50 of 259 paths shown. All of them are in the JSON.

More prefixes from AS4780

Routes seen by RIPE RIS in the 24 hours up to 15 Sep 2026, 20:18 UTC, fetched just now.