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Autonomous System

AS263935

I5 TELECOM

Announced IPs
1,536
CIDR prefixes
2
ASN
AS263935

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 20-50Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS263935

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
138.219.176.0/22 1.0K
69.5%
I5 TELECOM BR Maranhão Balsas
45.226.136.0/23 512
64.5%
I5 TELECOM BR Piauí Uruçuí

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS263935 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
138.219.179.0/24 171,836 2026-07-24 20:28:30
138.219.176.0/24 168,062 2026-07-24 20:28:30
138.219.177.0/24 168,031 2026-07-24 20:28:30
45.226.136.0/24 167,672 2026-07-24 20:28:30
45.226.137.0/24 167,112 2026-07-24 20:28:30
138.219.178.0/24 137,149 2026-07-24 20:28:02

Frequently Asked Questions

What is AS263935?

AS263935 is an Autonomous System Number assigned to I5 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 AS263935 announce?

AS263935 announces 1.5K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS263935?

AS263935 is operated by I5 TELECOM. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS263935 registered in?

AS263935 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 20:40:31 UTC
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