AS28573

Name: AS28573 — Claro NXT Telecomunicacoes Ltda
Creator: ipdex

Claro NXT Telecomunicacoes Ltda ISP registered in Brazil

1,372IPv4 prefixes

1,688IPv6 prefixes

100%RPKI-valid

#24,548AS Rank

#2Rank in Brazil

2003-11-27Allocated

Claro NXT Telecomunicacoes Ltda (AS28573) — ISP, registered in Brazil. announces 1,372 IPv4 prefixes + 1,688 IPv6 prefixes. Rank in Brazil: #2. Allocated: 2003-11-27.

IPv4 1,372IPv6 1,688

Announced prefixes · 3,060

v4 177.183.248.0/21 valid
v4 177.183.32.0/21 valid
v4 177.183.40.0/21 valid
v4 177.183.48.0/21 valid
v4 177.183.56.0/21 valid
v4 177.183.64.0/18 valid
v4 177.192.0.0/16 valid
v4 177.193.0.0/20 valid
v4 177.193.112.0/20 valid
v4 177.193.128.0/18 valid
v4 177.193.16.0/20 valid
v4 177.193.192.0/19 valid
v4 177.193.224.0/20 valid
v4 177.193.240.0/21 valid
v4 177.193.248.0/21 valid
v4 177.193.32.0/19 valid
v4 177.193.64.0/19 valid
v4 177.193.96.0/20 valid
v4 177.194.0.0/17 valid
v4 177.194.128.0/18 valid
v4 177.194.192.0/19 valid
v4 177.194.224.0/19 valid
v4 177.195.0.0/20 valid
v4 177.195.128.0/18 valid
v4 177.195.16.0/20 valid
v4 177.195.208.0/20 valid
v4 177.195.224.0/20 valid
v4 177.195.240.0/20 valid
v4 177.195.32.0/19 valid
v4 177.195.64.0/18 valid
v4 177.235.0.0/16 valid
v4 177.32.0.0/16 valid
v4 177.33.0.0/16 valid
v4 177.34.0.0/20 valid
v4 177.34.112.0/21 valid
v4 177.34.128.0/20 valid
v4 177.34.144.0/20 valid
v4 177.34.16.0/21 valid
v4 177.34.160.0/20 valid
v4 177.34.176.0/20 valid
v4 177.34.192.0/19 valid
v4 177.34.224.0/20 valid
v4 177.34.24.0/21 valid
v4 177.34.240.0/21 valid
v4 177.34.248.0/21 valid
v4 177.34.32.0/20 valid
v4 177.34.48.0/20 valid
v4 177.34.64.0/20 valid
v4 177.34.80.0/20 valid
v4 177.34.96.0/20 valid

RPKI: rpki.cloudflare.com · 2026-06-20

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	3010
2026-06-13	3010
2026-06-14	3026
2026-06-16	3024
2026-06-17	3036
2026-06-19	3062
2026-06-20	3060

AS topology · Customer cone 1

Providers · 2

AS4230 CLARO S.A.
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A

Peers · 29

AS13786 Seabras 1 USA, LLC
AS22356 Durand do Brasil Ltda
AS7195 EDGEUNO S.A.S
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S.
AS16735 ALGAR TELECOM S/A
AS13335 Cloudflare, Inc.

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