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Autonomous System

AS263390

FNT Telecomunicacoes e Acesso a Redes de Internet

Announced IPs
4,096
CIDR prefixes
1
ASN
AS263390

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 10-20Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS263390:AS-FNT-ALL

Present at 3 internet exchanges: IX.br (PTT.br) Rio de Janeiro: ATM/MPLA, LINX LON1: Main, PTT São João M.

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS263390 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
177.222.176.0/24 56,105 2026-07-18 11:17:55
177.222.184.0/21 51,891 2026-07-18 11:26:55
177.222.176.0/20 51,877 2026-07-18 11:26:55
177.222.176.0/21 51,865 2026-07-18 11:26:55
177.222.180.0/22 51,838 2026-07-18 11:26:55
177.222.176.0/22 51,814 2026-07-18 11:26:55
177.222.188.0/22 51,809 2026-07-18 11:26:55
177.222.184.0/22 51,790 2026-07-18 11:26:55
177.222.191.0/24 29,173 2026-07-18 11:09:07
177.222.190.0/24 27,483 2026-07-18 11:09:07
177.222.183.0/24 27,475 2026-07-18 11:09:07
177.222.185.0/24 27,473 2026-07-18 11:09:07
177.222.184.0/24 27,471 2026-07-18 11:09:07
177.222.180.0/24 27,470 2026-07-18 11:09:07
177.222.181.0/24 27,467 2026-07-18 11:09:07
177.222.182.0/24 27,459 2026-07-18 11:09:07
177.222.189.0/24 27,458 2026-07-18 11:09:07
177.222.179.0/24 27,450 2026-07-18 11:09:07
177.222.187.0/24 27,450 2026-07-18 11:09:07
177.222.178.0/24 27,443 2026-07-18 11:09:07
177.222.186.0/24 27,410 2026-07-18 11:09:07
177.222.177.0/24 27,400 2026-07-18 11:09:07
177.222.180.0/23 3,201 2026-07-18 09:49:04
177.222.178.0/23 3,184 2026-07-18 09:49:04
177.222.182.0/23 3,181 2026-07-18 09:49:04
177.222.176.0/23 3,168 2026-07-18 09:49:04
177.222.186.0/23 2,762 2026-07-18 09:49:04
177.222.184.0/23 2,758 2026-07-18 09:49:04
177.222.188.0/23 2,758 2026-07-18 09:49:04
177.222.190.0/23 2,712 2026-07-18 09:49:04

Frequently Asked Questions

What is AS263390?

AS263390 is an Autonomous System Number assigned to FNT Telecomunicacoes e Acesso a Redes de Internet. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS263390 announce?

AS263390 announces 4.1K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS263390?

AS263390 is operated by FNT Telecomunicacoes e Acesso a Redes de Internet. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS263390 registered in?

AS263390 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:40:32 UTC
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