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Autonomous System

AS263903

INFORBARRA TELECOM

Announced IPs
6,144
CIDR prefixes
4
ASN
AS263903

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 NSP
Traffic level 1-5Tbps
Geographic scope Regional
Peering policy Open
IRR record AS263903:AS-INFORBARRA

Present at 9 internet exchanges: IX.br (PTT.br) Salvador: ATM/MPLA, IX.br (PTT.br) São Paulo: ATM/MPLA, IX.br (PTT.br) Rio de Janeiro: ATM/MPLA, AMS-IX, IX.br (PTT.br) Vitória: ATM/MPLA, Equinix São Paulo: Equinix IX - SP Metro, IX.br (PTT.br) Fortaleza: ATM/MPLA, IX.br (PTT.br) Brasília: ATM/MPLA, NYIIX New York

AS263903 — global IP footprint

Cities where AS263903 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS263903 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
170.247.115.0/24 46,485 2026-07-18 10:52:00
170.247.112.0/24 40,879 2026-07-18 10:52:00
170.247.114.0/24 37,639 2026-07-18 10:52:00
149.78.179.0/24 33,780 2026-07-18 10:52:00
138.204.140.0/23 33,637 2026-07-18 10:52:00
149.78.176.0/23 32,818 2026-07-18 10:52:00
191.128.0.0/23 32,278 2026-07-18 10:52:00
191.128.2.0/23 32,260 2026-07-18 10:52:00
191.128.1.0/24 32,236 2026-07-17 01:56:24
138.204.142.0/23 31,364 2026-07-18 10:52:00
191.128.6.0/23 28,647 2026-07-18 11:39:13
191.128.4.0/23 28,541 2026-07-18 11:39:13
149.78.182.0/23 26,343 2026-07-18 10:51:58
149.78.180.0/23 23,208 2026-07-18 10:52:00
138.204.141.0/24 22,568 2026-07-18 09:48:21
191.128.7.0/24 16,295 2026-07-15 01:17:51
191.128.4.0/24 12,169 2026-07-14 18:40:03
138.204.140.0/24 9,200 2026-07-18 09:48:21
191.128.0.0/24 8,205 2026-06-27 20:16:15
138.204.142.0/24 7,901 2026-07-18 06:47:49
138.204.143.0/24 7,698 2026-07-18 06:47:49
191.128.6.0/24 5,634 2026-07-12 14:40:54
170.247.113.0/24 5,005 2026-07-18 10:51:58
149.78.178.0/24 3,268 2026-07-18 10:51:58
191.128.5.0/24 2,794 2026-06-16 13:20:26

Frequently Asked Questions

What is AS263903?

AS263903 is an Autonomous System Number assigned to INFORBARRA TELECOM. 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 AS263903 announce?

AS263903 announces 6.1K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS263903?

AS263903 is operated by INFORBARRA TELECOM. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS263903 registered in?

AS263903 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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