BGP map for 220.128.48.0/21

220.128.48.0/21 is announced by AS9505 Taiwan Internet Gateway and seen by 331 peers of 23 RIPE RIS collectors, over 267 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (30%), AS174 Cogent Communications, LLC (21%) and AS3356 Level 3 Parent, LLC (15%). The most common path, used by 10 peers, is AS24482 AS9505.

Routes checked 15:29:00 UTC

No change in the origin, the upstreams or the number of peers since 09:24 UTC on 26 Oct, when this site first looked at 220.128.48.0/21.

AS-path graph toward 220.128.48.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 10 of 331 peers (3%) number on a line = peers using that link RIS data up to 15:28 UTC what the colours mean 12 of 267 paths drawn 3 quieter networks left out

View JSON Raw upstream

331collector peers

23RIS collectors

267distinct AS paths

3.2average AS hops, 2 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	100	30%
AS174 Cogent Communications, LLC	71	21%
AS3356 Level 3 Parent, LLC	51	15%
AS9002 RETN-AS RETN Limited	16	5%
AS6939 Hurricane Electric LLC	15	5%
AS24482 SG.GS	10	3%
AS33891 CORE-BACKBONE Core-Backbone GmbH	6	2%
AS20485 TRANSTELECOM Joint Stock Company TransTeleCom	4	1%
AS48185 team_blue team.blue NV	3	<1%
AS49544 i3Dnet i3D.net B.V	3	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	98	30%
AS174 Cogent Communications, LLC	71	21%
AS3356 Level 3 Parent, LLC	51	15%
AS6939 Hurricane Electric LLC	15	5%
AS9002 RETN-AS RETN Limited	12	4%
AS6461 Zayo Bandwidth	8	2%
AS33891 CORE-BACKBONE Core-Backbone GmbH	6	2%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	5	2%
AS34549 MEER-AS meerfarbig GmbH & Co. KG	4	1%
AS20485 TRANSTELECOM Joint Stock Company TransTeleCom	4	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	AS24482 AS9505	10	3%	10
2	AS8218 AS6461 AS174 AS9505	6	2%	5
3	AS9002 AS9505	4	1%	4
4	AS13030 AS1299 AS9505	4	1%	4
5	AS14840 AS3356 AS9505	4	1%	2
6	AS48185 AS9505	3	<1%	3
7	AS49544 AS9505	3	<1%	3
8	AS12779 AS174 AS9505	3	<1%	3
9	AS34927 AS1299 AS9505	3	<1%	3
10	AS49544 AS3356 AS9505	3	<1%	2
11	AS6461 AS174 AS9505	3	<1%	3
12	AS47147 AS1299 AS9505	3	<1%	3
13	AS199524 AS174 AS9505	3	<1%	3
14	AS1299 AS9505	2	<1%	2
15	AS2497 AS9505	2	<1%	2
16	AS19151 AS9505	2	<1%	2
17	AS3257 AS174 AS9505	2	<1%	2
18	AS6461 AS1299 AS9505	2	<1%	2
19	AS3320 AS1299 AS9505	2	<1%	2
20	AS2914 AS3356 AS9505	2	<1%	2
21	AS25160 AS174 AS9505	2	<1%	2
22	AS142289 AS9583 AS9505	2	<1%	1
23	AS31027 AS12552 AS9505	2	<1%	1
24	AS14907 AS1299 AS9505	2	<1%	2
25	AS15547 AS174 AS9505	2	<1%	2
26	AS25091 AS1299 AS9505	2	<1%	2
27	AS48362 AS9002 AS9505	2	<1%	2
28	AS199524 AS1299 AS9505	2	<1%	2
29	AS47692 AS33891 AS9505	2	<1%	2
30	AS59890 AS3356 AS9505	2	<1%	2
31	AS271253 AS3356 AS9505	2	<1%	1
32	AS35280 AS3356 AS9505	2	<1%	2
33	AS917 AS60068 AS174 AS9505	2	<1%	2
34	AS58057 AS34549 AS1299 AS9505	2	<1%	2
35	AS35710 AS3320 AS1299 AS9505	2	<1%	2
36	AS51184 AS47692 AS33891 AS9505	2	<1%	2
37	AS51185 AS6762 AS174 AS9505	2	<1%	2
38	AS20612 AS8758 AS9002 AS9505	2	<1%	1
39	AS1828 AS9505	1	<1%	1
40	AS207841 AS9505	1	<1%	1
41	AS271253 AS9505	1	<1%	1
42	AS17639 AS9505	1	<1%	1
43	AS38001 AS9505	1	<1%	1
44	AS45489 AS9505	1	<1%	1
45	AS38008 AS9505	1	<1%	1
46	AS36236 AS9505	1	<1%	1
47	AS8529 AS9505	1	<1%	1
48	AS134823 AS9505	1	<1%	1
49	AS51185 AS9505	1	<1%	1
50	AS18106 AS9505	1	<1%	1

50 of 267 paths shown. All of them are in the JSON.

More prefixes from AS9505

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 15:28 UTC, fetched just now.