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Autonomous System

AS271557

TOP FIBRA TV E INTERNET LTDA

Announced IPs
1,024
CIDR prefixes
1
ASN
AS271557

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 100-1000Mbps
Geographic scope Not Disclosed
Traffic ratio Not Disclosed
Peering policy Open
IRR record RADB::AS-CUSTOMERS-TAGSNET

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
181.233.188.0/22 1.0K
77.9%
TOP FIBRA TV E INTERNET LTDA BR São Paulo Itapevi

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS271557 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
181.233.188.0/24 39,069 2026-07-28 14:49:48
181.233.189.0/24 28,519 2026-07-28 14:49:46
181.233.191.0/24 28,506 2026-07-28 14:49:46
181.233.190.0/24 28,471 2026-07-28 14:49:46
181.233.190.0/23 28,424 2026-07-28 14:49:46

Frequently Asked Questions

What is AS271557?

AS271557 is an Autonomous System Number assigned to TOP FIBRA TV E INTERNET LTDA. 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 AS271557 announce?

AS271557 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS271557?

AS271557 is operated by TOP FIBRA TV E INTERNET LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS271557 registered in?

AS271557 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-28 14:55:35 UTC
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