BGP map for 177.21.0.0/20

177.21.0.0/20 is announced by AS28186 ITS TELECOMUNICACOES LTDA and seen by 335 peers of 23 RIPE RIS collectors, over 268 different AS paths. Its busiest upstreams are AS3356 Level 3 Parent, LLC (62%), AS12956 TELXIUS (20%) and AS6939 Hurricane Electric LLC (6%). The most common path, used by 6 peers, is AS8218 AS6461 AS3356 AS28186.

Routes checked 19:49:29 UTC

No change in the origin, the upstreams or the number of peers since 19:49 UTC, when this site first looked at 177.21.0.0/20.

AS-path graph toward 177.21.0.0/20

origin Tier 1Tier 2edge network prefix best path: chosen by 6 of 335 peers (2%) number on a line = peers using that link RIS data up to 19:48 UTC what the colours mean 12 of 268 paths drawn 2 quieter networks left out

Download PNG View JSON Raw upstream

335collector peers

23RIS collectors

268distinct AS paths

3.6average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS3356 Level 3 Parent, LLC	208	62%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	67	20%
AS6939 Hurricane Electric LLC	19	6%
AS14840 BR.Digital Telecom	4	1%
AS137409 GSL Networks Pty LTD	3	<1%
AS37468 Angola Cables	3	<1%
AS24482 SG.GS	2	<1%
AS51185 MAINSTREAMING-AS MainStreaming SpA	2	<1%
AS271253 LINK BRASIL TELECOMUNICACOES LTDA	2	<1%
AS28634 Life Tecnologia Ltda.	2	<1%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS3356 Level 3 Parent, LLC	208	62%
AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL	66	20%
AS1299 TWELVE99 Arelion Sweden AB	44	13%
AS2914 NTT America, Inc.	34	10%
AS6939 Hurricane Electric LLC	19	6%
AS174 Cogent Communications, LLC	14	4%
AS6461 Zayo Bandwidth	10	3%
AS3257 GTT-BACKBONE GTT Communications Inc.	10	3%
AS3320 DTAG Deutsche Telekom AG	6	2%
AS1764 NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH	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	AS8218 AS6461 AS3356 AS28186	6	2%	5
2	AS6461 AS3356 AS28186	5	1%	5
3	AS24482 AS2914 AS12956 AS28186	5	1%	5
4	AS14840 AS28186	4	1%	2
5	AS49544 AS12956 AS28186	4	1%	3
6	AS13030 AS1299 AS12956 AS28186	4	1%	4
7	AS24482 AS2914 AS3356 AS28186	4	1%	4
8	AS199524 AS1299 AS3356 AS28186	4	1%	4
9	AS48185 AS3356 AS28186	3	<1%	3
10	AS25091 AS3356 AS28186	3	<1%	3
11	AS12779 AS3257 AS3356 AS28186	3	<1%	3
12	AS24482 AS28186	2	<1%	2
13	AS51185 AS28186	2	<1%	2
14	AS271253 AS28186	2	<1%	1
15	AS28634 AS28186	2	<1%	1
16	AS199524 AS28186	2	<1%	2
17	AS3257 AS3356 AS28186	2	<1%	2
18	AS6830 AS12956 AS28186	2	<1%	2
19	AS3320 AS3356 AS28186	2	<1%	2
20	AS2914 AS12956 AS28186	2	<1%	2
21	AS9002 AS12956 AS28186	2	<1%	2
22	AS62167 AS3356 AS28186	2	<1%	2
23	AS50628 AS3356 AS28186	2	<1%	2
24	AS31027 AS3356 AS28186	2	<1%	1
25	AS3491 AS3356 AS28186	2	<1%	2
26	AS35280 AS3356 AS28186	2	<1%	2
27	AS6762 AS3356 AS28186	2	<1%	2
28	AS59890 AS3356 AS28186	2	<1%	2
29	AS2497 AS3356 AS28186	2	<1%	2
30	AS25160 AS2914 AS12956 AS28186	2	<1%	2
31	AS58057 AS1836 AS3356 AS28186	2	<1%	2
32	AS34927 AS1299 AS3356 AS28186	2	<1%	2
33	AS35710 AS3320 AS12956 AS28186	2	<1%	2
34	AS14907 AS2914 AS3356 AS28186	2	<1%	2
35	AS34019 AS35625 AS3356 AS28186	2	<1%	2
36	AS15547 AS174 AS3356 AS28186	2	<1%	2
37	AS51184 AS1764 AS3356 AS28186	2	<1%	2
38	AS48362 AS1764 AS3356 AS28186	2	<1%	2
39	AS51185 AS6762 AS3356 AS28186	2	<1%	2
40	AS47147 AS1299 AS3356 AS28186	2	<1%	2
41	AS19151 AS2914 AS3356 AS28186	2	<1%	2
42	AS58057 AS34549 AS2914 AS12956 AS28186	2	<1%	2
43	AS20612 AS8758 AS15576 AS3356 AS28186	2	<1%	1
44	AS142289 AS9583 AS4755 AS6453 AS3356 AS28186	2	<1%	1
45	AS28186	1	<1%	1
46	AS1828 AS28186	1	<1%	1
47	AS37721 AS28186	1	<1%	1
48	AS61573 AS28186	1	<1%	1
49	AS6057 AS28186	1	<1%	1
50	AS36236 AS28186	1	<1%	1

50 of 268 paths shown. All of them are in the JSON.

More prefixes from AS28186

Routes seen by RIPE RIS in the 24 hours up to 16 Sep 2026, 19:48 UTC, fetched just now.