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 177.35.0.0/20 valid
v4 177.35.112.0/20 valid
v4 177.35.128.0/19 valid
v4 177.35.16.0/20 valid
v4 177.35.160.0/19 valid
v4 177.35.192.0/20 valid
v4 177.35.208.0/20 valid
v4 177.35.224.0/21 valid
v4 177.35.232.0/21 valid
v4 177.35.240.0/21 valid
v4 177.35.248.0/21 valid
v4 177.35.32.0/21 valid
v4 177.35.40.0/21 valid
v4 177.35.48.0/21 valid
v4 177.35.56.0/21 valid
v4 177.35.58.0/24 valid
v4 177.35.60.0/23 valid
v4 177.35.62.0/23 valid
v4 177.35.64.0/20 valid
v4 177.35.80.0/21 valid
v4 177.35.88.0/21 valid
v4 177.35.96.0/20 valid
v4 177.64.0.0/18 valid
v4 177.64.112.0/21 valid
v4 177.64.128.0/19 valid
v4 177.64.160.0/19 valid
v4 177.64.192.0/21 valid
v4 177.64.200.0/21 valid
v4 177.64.208.0/21 valid
v4 177.64.216.0/21 valid
v4 177.64.224.0/19 valid
v4 177.64.64.0/19 valid
v4 177.64.96.0/20 valid
v4 177.65.0.0/18 valid
v4 177.65.128.0/20 valid
v4 177.65.144.0/20 valid
v4 177.65.160.0/19 valid
v4 177.65.192.0/21 valid
v4 177.65.200.0/21 valid
v4 177.65.208.0/21 valid
v4 177.65.216.0/21 valid
v4 177.65.224.0/20 valid
v4 177.65.240.0/20 valid
v4 177.65.96.0/20 valid
v4 177.80.0.0/16 valid
v4 177.81.0.0/16 valid
v4 177.82.0.0/20 valid
v4 177.82.128.0/21 valid
v4 177.82.136.0/21 valid
v4 177.82.144.0/20 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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