BGP map for 177.21.16.0/20
177.21.16.0/20 is announced by AS28186 ITS TELECOMUNICACOES LTDA and seen by 336 peers of 23 RIPE RIS collectors, over 269 different AS paths. Its busiest upstreams are AS3356 Level 3 Parent, LLC (63%), AS12956 TELXIUS (20%) and AS6939 Hurricane Electric LLC (6%). The most common path, used by 6 peers, is AS8218 AS6461 AS3356 AS28186.
Routes checked 05:43:51 UTC. This page checks again every 30 seconds while it is open.
No change in the origin, the upstreams or the number of peers since 05:43 UTC, when this site first looked at 177.21.16.0/20.
origin Tier 1Tier 2edge network prefix best path: chosen by 6 of 336 peers (2%) number on a line = peers using that link RIS data up to 05:43 UTC what the colours mean 12 of 269 paths drawn 2 quieter networks left out
Upstreams
Networks directly in front of the origin.
| Network | Peers | Share |
|---|---|---|
| AS3356 Level 3 Parent, LLC | 210 | 63% |
| AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL | 66 | 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 | 210 | 63% |
| AS12956 TELXIUS TELEFONICA GLOBAL SOLUTIONS SL | 65 | 19% |
| AS1299 TWELVE99 Arelion Sweden AB | 43 | 13% |
| AS2914 NTT America, Inc. | 33 | 10% |
| AS6939 Hurricane Electric LLC | 19 | 6% |
| AS174 Cogent Communications, LLC | 15 | 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.
50 of 269 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, 05:43 UTC, fetched just now.