BGP map for 77.52.128.0/18

77.52.128.0/18 is announced by AS21497 UMC-AS and seen by 220 peers of 21 RIPE RIS collectors, over 172 different AS paths. Its busiest upstreams are AS6461 Zayo Bandwidth (7%), AS6939 Hurricane Electric LLC (7%) and AS24482 SG.GS (5%). The most common path, used by 11 peers, is AS24482 AS21497.

Routes checked 15:07:43 UTC

Recent route changes

9 Nov 15:07 UTCAS24482 SG.GS became an upstream, used by 5% of peers

AS-path graph toward 77.52.128.0/18

origin Tier 1edge network prefix best path: chosen by 11 of 220 peers (5%) number on a line = peers using that link RIS data up to 15:07 UTC what the colours mean 12 of 172 paths drawn 7 quieter networks left out

View JSON Raw upstream

220collector peers

21RIS collectors

172distinct AS paths

2.7average AS hops, 1 to 5

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS6461 Zayo Bandwidth	15	7%
AS6939 Hurricane Electric LLC	15	7%
AS24482 SG.GS	11	5%
AS8218 NEO-ASN Zayo Infrastructure France SA	8	4%
AS5405 INTERDOTLINK Inter.link GmbH	7	3%
AS34019 HIVANE Hivane Association	6	3%
AS25091 IP-Max IP-Max SA	6	3%
AS35280 F5 F5 Networks SARL	6	3%
AS12779 ITGATE IT.Gate S.p.A.	5	2%
AS47147 AS-ANX Anexia Cloud Solutions GmbH	5	2%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS6939 Hurricane Electric LLC	15	7%
AS6461 Zayo Bandwidth	10	5%
AS5405 INTERDOTLINK Inter.link GmbH	6	3%
AS3303 SWISSCOM Swisscom (Schweiz) AG	5	2%
AS35280 F5 F5 Networks SARL	4	2%
AS7473 Singapore Telecommunications Ltd	4	2%
AS34019 HIVANE Hivane Association	3	1%
AS137409 GSL Networks Pty LTD	3	1%
AS50629 LWLCOM LWLcom GmbH	3	1%
AS25091 IP-Max IP-Max SA	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	AS24482 AS21497	11	5%	11
2	AS8218 AS21497	7	3%	6
3	AS6461 AS21497	5	2%	5
4	AS12779 AS21497	4	2%	4
5	AS47147 AS21497	4	2%	4
6	AS48185 AS21497	3	1%	3
7	AS34019 AS21497	3	1%	3
8	AS25091 AS21497	3	1%	3
9	AS48362 AS21497	3	1%	3
10	AS25160 AS21497	2	<1%	2
11	AS34927 AS21497	2	<1%	2
12	AS35280 AS21497	2	<1%	2
13	AS212483 AS21497	2	<1%	1
14	AS49544 AS21497	2	<1%	2
15	AS15547 AS21497	2	<1%	2
16	AS51184 AS21497	2	<1%	2
17	AS31027 AS6797 AS21497	2	<1%	1
18	AS35710 AS48200 AS21497	2	<1%	2
19	AS47692 AS5405 AS21497	2	<1%	2
20	AS59890 AS6939 AS21497	2	<1%	2
21	AS20612 AS9044 AS21497	2	<1%	1
22	AS62167 AS24785 AS20562 AS21497	2	<1%	2
23	AS142289 AS9583 AS55836 AS64049 AS21497	2	<1%	1
24	AS21497	1	<1%	1
25	AS1828 AS21497	1	<1%	1
26	AS39122 AS21497	1	<1%	1
27	AS12969 AS21497	1	<1%	1
28	AS14630 AS21497	1	<1%	1
29	AS271253 AS21497	1	<1%	1
30	AS37721 AS21497	1	<1%	1
31	AS50300 AS21497	1	<1%	1
32	AS3333 AS21497	1	<1%	1
33	AS59514 AS21497	1	<1%	1
34	AS198150 AS21497	1	<1%	1
35	AS45489 AS21497	1	<1%	1
36	AS36236 AS21497	1	<1%	1
37	AS51185 AS21497	1	<1%	1
38	AS44901 AS21497	1	<1%	1
39	AS18106 AS21497	1	<1%	1
40	AS1103 AS21497	1	<1%	1
41	AS1140 AS21497	1	<1%	1
42	AS12859 AS21497	1	<1%	1
43	AS14907 AS21497	1	<1%	1
44	AS50763 AS21497	1	<1%	1
45	AS199524 AS21497	1	<1%	1
46	AS199938 AS21497	1	<1%	1
47	AS50629 AS21497	1	<1%	1
48	AS39351 AS21497	1	<1%	1
49	AS212635 AS21497	1	<1%	1
50	AS42541 AS21497	1	<1%	1

50 of 172 paths shown. All of them are in the JSON.

More prefixes from AS21497

Routes seen by RIPE RIS in the 24 hours up to 9 Nov 2026, 15:07 UTC, fetched just now.