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Autonomous System

AS263335

Alternativa Telecom

Announced IPs
2,048
CIDR prefixes
1
ASN
AS263335

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 →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
191.36.136.0/21 2.0K
85.5%
Alternativa Telecom BR Pará Paragominas

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS263335 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
191.36.136.0/23 273,434 2026-07-30 07:27:22
191.36.136.0/22 238,469 2026-07-30 07:34:55
191.36.138.0/23 231,834 2026-07-30 07:27:11
191.36.136.0/21 192,925 2026-07-30 07:27:47
191.36.140.0/22 183,670 2026-07-30 07:34:55
191.36.142.0/23 145,134 2026-07-30 07:27:22
191.36.140.0/23 115,973 2026-07-30 07:27:22
191.36.142.0/24 15,212 2026-07-03 20:47:12

Frequently Asked Questions

What is AS263335?

AS263335 is an Autonomous System Number assigned to Alternativa 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 AS263335 announce?

AS263335 announces 2.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS263335?

AS263335 is operated by Alternativa Telecom. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS263335 registered in?

AS263335 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-30 07:40:31 UTC
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