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AS28573 AS28573 - Claro NXT Telecomunicacoes Ltda

Everything the routing table and the registries say about AS28573: who holds it, which registry issued it, and which address blocks it advertises.

Consumer and business ISPsAS28573

1712 IPv4 and 1719 IPv6 prefixes announced.

Registry facts

Refreshed daily
AS number
AS28573
Holder
AS28573 - Claro NXT Telecomunicacoes Ltda
Country
Not published
Regional registry
LACNIC — Latin America and Caribbean Network Information Centre
Registry block
27648-28671 (IANA 16-bit Autonomous System (AS) Numbers Registry)
Announced today
Yes
IPv4 prefixes
1712
IPv6 prefixes
1719
Observed at
2026-09-05T16:00:00

Data: RIPEstat. Prefix and holder data comes from the RIPEstat Data API and is cached for 24 hours. The regional registry is derived from the IANA AS number allocation table. Authoritative registry records are served by LACNIC RDAP.

Announced prefixes

1712 IPv4 · 1719 IPv6
  • 100 IPv4 shown
  • 100 IPv6 shown
  • 177.32.0.0/16
  • 177.32.0.0/19
  • 177.32.32.0/19
  • 177.32.32.0/22
  • 177.32.64.0/19
  • 177.32.96.0/19
  • 177.32.128.0/19
  • 177.32.160.0/19
  • 177.32.192.0/19
  • 177.32.224.0/19
  • 177.33.0.0/16
  • 177.33.0.0/19
  • 177.33.32.0/19
  • 177.33.64.0/19
  • 177.33.84.0/22
  • 177.33.96.0/19
  • 177.33.128.0/19
  • 177.33.136.0/22
  • 177.33.140.0/22
  • 177.33.160.0/19
  • 177.33.192.0/19
  • 177.33.224.0/19
  • 177.34.0.0/20
  • 177.34.16.0/21
  • 177.34.24.0/21
  • 177.34.32.0/20
  • 177.34.40.0/21
  • 177.34.48.0/20
  • 177.34.64.0/20
  • 177.34.80.0/20
  • 177.34.96.0/20
  • 177.34.112.0/21
  • 177.34.128.0/20
  • 177.34.144.0/20
  • 177.34.160.0/20
  • 177.34.176.0/20
  • 177.34.192.0/19
  • 177.34.224.0/20
  • 177.34.240.0/21
  • 177.34.248.0/21
  • 177.35.0.0/20
  • 177.35.16.0/20
  • 177.35.32.0/21
  • 177.35.40.0/21
  • 177.35.48.0/21
  • 177.35.56.0/21
  • 177.35.58.0/24
  • 177.35.60.0/23
  • 177.35.62.0/23
  • 177.35.64.0/20
  • 177.35.80.0/21
  • 177.35.88.0/21
  • 177.35.96.0/20
  • 177.35.112.0/20
  • 177.35.128.0/19
  • 177.35.160.0/19
  • 177.35.192.0/20
  • 177.35.208.0/20
  • 177.35.224.0/21
  • 177.35.232.0/21
  • 177.35.240.0/21
  • 177.35.248.0/21
  • 177.64.0.0/18
  • 177.64.64.0/19
  • 177.64.96.0/20
  • 177.64.112.0/21
  • 177.64.128.0/19
  • 177.64.160.0/19
  • 177.64.192.0/21
  • 177.64.200.0/21
  • 177.64.208.0/21
  • 177.64.216.0/21
  • 177.64.224.0/19
  • 177.65.0.0/18
  • 177.65.96.0/20
  • 177.65.96.0/24
  • 177.65.97.0/24
  • 177.65.98.0/24
  • 177.65.99.0/24
  • 177.65.100.0/23
  • 177.65.102.0/24
  • 177.65.103.0/24
  • 177.65.110.0/24
  • 177.65.111.0/24
  • 177.65.128.0/20
  • 177.65.144.0/20
  • 177.65.160.0/19
  • 177.65.192.0/21
  • 177.65.200.0/21
  • 177.65.208.0/21
  • 177.65.216.0/21
  • 177.65.224.0/20
  • 177.65.240.0/20
  • 177.80.0.0/16
  • 177.81.0.0/16
  • 177.81.0.0/19
  • 177.81.32.0/19
  • 177.81.64.0/19
  • 177.81.72.0/22
  • 177.81.76.0/22
  • 2804:14c::/40
  • 2804:14c:100::/40
  • 2804:14c:100::/44
  • 2804:14c:110::/44
  • 2804:14c:120::/44
  • 2804:14c:130::/44
  • 2804:14c:140::/44
  • 2804:14c:150::/44
  • 2804:14c:160::/44
  • 2804:14c:170::/44
  • 2804:14c:180::/44
  • 2804:14c:190::/44
  • 2804:14c:1a0::/44
  • 2804:14c:1b0::/44
  • 2804:14c:1c0::/44
  • 2804:14c:1d0::/44
  • 2804:14c:1f0::/44
  • 2804:14c:1f0::/45
  • 2804:14c:1f8::/45
  • 2804:14c:20::/44
  • 2804:14c:200::/40
  • 2804:14c:210::/44
  • 2804:14c:220::/44
  • 2804:14c:230::/44
  • 2804:14c:240::/44
  • 2804:14c:250::/44
  • 2804:14c:260::/44
  • 2804:14c:270::/44
  • 2804:14c:280::/44
  • 2804:14c:290::/44
  • 2804:14c:2a0::/44
  • 2804:14c:2b0::/44
  • 2804:14c:2c0::/44
  • 2804:14c:2d0::/44
  • 2804:14c:2e0::/44
  • 2804:14c:30::/44
  • 2804:14c:300::/40
  • 2804:14c:300::/44
  • 2804:14c:310::/44
  • 2804:14c:320::/44
  • 2804:14c:330::/44
  • 2804:14c:340::/44
  • 2804:14c:350::/44
  • 2804:14c:360::/44
  • 2804:14c:370::/44
  • 2804:14c:380::/44
  • 2804:14c:390::/44
  • 2804:14c:3a0::/44
  • 2804:14c:3b0::/44
  • 2804:14c:3b00::/40
  • 2804:14c:3c0::/44
  • 2804:14c:3d0::/44
  • 2804:14c:3d00::/40
  • 2804:14c:3df0::/44
  • 2804:14c:3f00::/40
  • 2804:14c:3f81::/48
  • 2804:14c:3f83::/48
  • 2804:14c:3f84::/48
  • 2804:14c:3f85::/48
  • 2804:14c:3f86::/48
  • 2804:14c:3f87::/48
  • 2804:14c:3f89::/48
  • 2804:14c:3f8a::/48
  • 2804:14c:3f8b::/48
  • 2804:14c:3f8c::/48
  • 2804:14c:3f8d::/48
  • 2804:14c:3f8e::/48
  • 2804:14c:40::/44
  • 2804:14c:400::/40
  • 2804:14c:4100::/40
  • 2804:14c:4182::/48
  • 2804:14c:4183::/48
  • 2804:14c:4184::/48
  • 2804:14c:4185::/48
  • 2804:14c:4188::/48
  • 2804:14c:4189::/48
  • 2804:14c:418a::/48
  • 2804:14c:418e::/48
  • 2804:14c:418f::/48
  • 2804:14c:4190::/48
  • 2804:14c:4191::/48
  • 2804:14c:4300::/40
  • 2804:14c:4380::/48
  • 2804:14c:4381::/48
  • 2804:14c:4382::/48
  • 2804:14c:4383::/48
  • 2804:14c:4384::/48
  • 2804:14c:4385::/48
  • 2804:14c:4386::/48
  • 2804:14c:4388::/48
  • 2804:14c:4391::/48
  • 2804:14c:4392::/48
  • 2804:14c:4393::/48
  • 2804:14c:4394::/48
  • 2804:14c:4395::/48
  • 2804:14c:4396::/48
  • 2804:14c:4397::/48
  • 2804:14c:4398::/48
  • 2804:14c:4399::/48
  • 2804:14c:439a::/48

A prefix here is a block this AS was seen originating in BGP, not a block it is guaranteed to own. Announcement and allocation are different facts, and they disagree more often than people expect.

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