BGP map for 178.133.128.0/19

178.133.128.0/19 is announced by AS21497 UMC-AS and seen by 124 peers of 21 RIPE RIS collectors, over 98 different AS paths. Its busiest upstreams are AS6461 Zayo Bandwidth (27%), AS6939 Hurricane Electric LLC (23%) and AS8218 NEO-ASN (11%). The most common path, used by 7 peers, is AS8218 AS21497.

Routes checked 14:11:46 UTC

No change in the origin, the upstreams or the number of peers since 21:42 UTC on 29 Oct, when this site first looked at 178.133.128.0/19.

AS-path graph toward 178.133.128.0/19

origin Tier 1Tier 2transitedge network prefix best path: chosen by 7 of 124 peers (6%) number on a line = peers using that link RIS data up to 14:10 UTC what the colours mean 12 of 98 paths drawn 6 quieter networks left out

View JSON Raw upstream

124collector peers

21RIS collectors

98distinct AS paths

3.5average AS hops, 2 to 7

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	34	27%
AS6939 Hurricane Electric LLC	28	23%
AS8218 NEO-ASN Zayo Infrastructure France SA	14	11%
AS3303 SWISSCOM Swisscom (Schweiz) AG	12	10%
AS22356 Durand do Brasil Ltda	8	6%
AS8966 Etisalat-AS EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC	7	6%
AS14840 BR.Digital Telecom	5	4%
AS20562 OPEN-PEERING-AS Broadband Hosting B.V.	5	4%
AS212483 level86 LEVEL EIGHTY-SIX COMMUNICATIONS LTD	2	2%
AS49544 i3Dnet i3D.net B.V	2	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	29	23%
AS6939 Hurricane Electric LLC	28	23%
AS3303 SWISSCOM Swisscom (Schweiz) AG	12	10%
AS22356 Durand do Brasil Ltda	8	6%
AS8966 Etisalat-AS EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC	7	6%
AS8218 NEO-ASN Zayo Infrastructure France SA	7	6%
AS4637 Telstra Global	7	6%
AS20562 OPEN-PEERING-AS Broadband Hosting B.V.	5	4%
AS8758 IWAY Iway AG	5	4%
AS7473 Singapore Telecommunications Ltd	5	4%

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	AS8218 AS21497	7	6%	6
2	AS6461 AS21497	5	4%	5
3	AS14840 AS21497	4	3%	2
4	AS35280 AS8966 AS21497	3	2%	3
5	AS34019 AS8218 AS21497	3	2%	3
6	AS212483 AS21497	2	2%	1
7	AS49544 AS21497	2	2%	2
8	AS8529 AS6939 AS21497	2	2%	2
9	AS15547 AS3303 AS21497	2	2%	2
10	AS59890 AS6939 AS21497	2	2%	2
11	AS62167 AS24785 AS20562 AS21497	2	2%	2
12	AS20612 AS8758 AS3303 AS21497	2	2%	1
13	AS35710 AS48200 AS23764 AS6939 AS21497	2	2%	2
14	AS142289 AS9583 AS55836 AS64049 AS4637 AS6461 AS21497	2	2%	1
15	AS59514 AS21497	1	<1%	1
16	AS198150 AS21497	1	<1%	1
17	AS48919 AS21497	1	<1%	1
18	AS6667 AS21497	1	<1%	1
19	AS48070 AS6461 AS21497	1	<1%	1
20	AS1828 AS6461 AS21497	1	<1%	1
21	AS3212 AS6939 AS21497	1	<1%	1
22	AS13781 AS6939 AS21497	1	<1%	1
23	AS212271 AS39120 AS21497	1	<1%	1
24	AS28910 AS6461 AS21497	1	<1%	1
25	AS20205 AS6939 AS21497	1	<1%	1
26	AS55720 AS6939 AS21497	1	<1%	1
27	AS61218 AS6939 AS21497	1	<1%	1
28	AS37721 AS6461 AS21497	1	<1%	1
29	AS17639 AS6939 AS21497	1	<1%	1
30	AS18106 AS6939 AS21497	1	<1%	1
31	AS1103 AS20562 AS21497	1	<1%	1
32	AS21412 AS6939 AS21497	1	<1%	1
33	AS56430 AS6663 AS21497	1	<1%	1
34	AS15623 AS3303 AS21497	1	<1%	1
35	AS59414 AS3303 AS21497	1	<1%	1
36	AS51873 AS6939 AS21497	1	<1%	1
37	AS6057 AS6461 AS21497	1	<1%	1
38	AS200612 AS8966 AS21497	1	<1%	1
39	AS13786 AS22356 AS21497	1	<1%	1
40	AS263237 AS6939 AS21497	1	<1%	1
41	AS29222 AS3303 AS21497	1	<1%	1
42	AS35369 AS8218 AS21497	1	<1%	1
43	AS1280 AS6939 AS21497	1	<1%	1
44	AS52320 AS6461 AS21497	1	<1%	1
45	AS25152 AS6939 AS21497	1	<1%	1
46	AS15605 AS6461 AS21497	1	<1%	1
47	AS207841 AS137409 AS6461 AS21497	1	<1%	1
48	AS207910 AS34019 AS8218 AS21497	1	<1%	1
49	AS15397 AS15958 AS6461 AS21497	1	<1%	1
50	AS6881 AS15685 AS6939 AS21497	1	<1%	1

50 of 98 paths shown. All of them are in the JSON.

More prefixes from AS21497

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 14:10 UTC, fetched just now.