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Autonomous System

AS273490

FIBRION INTERNET LTDA

Announced IPs
23,040
CIDR prefixes
15
ASN
AS273490

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
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Selective
IRR record AS273490:AS-ALL

Present at 1 internet exchange: IX.br (PTT.br) São Paulo: ATM/MPLA

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS273490 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
200.15.32.0/20 7,955 2026-07-29 16:52:27
200.229.228.0/22 7,295 2026-07-29 16:52:27
138.59.148.0/23 7,259 2026-07-29 16:52:13
170.81.170.0/23 7,189 2026-07-29 16:52:13
187.62.208.0/20 7,168 2026-07-29 16:52:27
191.240.152.0/22 7,119 2026-07-29 16:52:27
177.184.200.0/22 7,115 2026-07-29 16:52:13
131.255.100.0/22 6,862 2026-07-29 16:52:13
177.222.16.0/21 6,726 2026-07-29 16:52:13
138.204.92.0/22 6,697 2026-07-29 16:52:13
200.229.232.0/21 6,694 2026-07-29 16:52:27
177.184.196.0/22 6,633 2026-07-29 16:52:13
191.240.156.0/23 6,619 2026-07-29 16:52:27
191.240.144.0/21 6,615 2026-07-29 16:52:27
177.222.28.0/22 6,587 2026-07-29 16:52:13
170.81.170.0/24 4,608 2026-07-29 13:52:38
187.62.223.0/24 4,603 2026-07-29 15:43:28
177.184.203.0/24 4,596 2026-07-29 15:42:29
177.184.196.0/24 4,595 2026-07-29 15:42:29
191.240.154.0/24 4,582 2026-07-29 15:43:28
187.62.222.0/24 4,582 2026-07-29 15:43:28
177.184.202.0/24 4,580 2026-07-29 15:42:29
177.222.16.0/24 4,580 2026-07-29 15:42:29
138.59.149.0/24 4,576 2026-07-29 13:52:38
191.240.152.0/24 4,575 2026-07-29 15:43:28
138.204.95.0/24 4,572 2026-07-29 13:52:38
177.222.28.0/24 4,569 2026-07-29 15:42:29
187.62.218.0/24 4,566 2026-07-29 15:43:28
200.229.232.0/24 4,563 2026-07-29 13:52:38
200.229.233.0/24 4,559 2026-07-29 13:52:38
187.62.213.0/24 4,558 2026-07-29 15:43:28
200.229.231.0/24 4,550 2026-07-29 13:52:38
191.240.153.0/24 4,549 2026-07-29 15:43:28
191.240.149.0/24 4,548 2026-07-29 15:43:28
191.240.148.0/24 4,548 2026-07-29 15:43:28
177.222.17.0/24 4,547 2026-07-29 15:42:29
200.229.230.0/24 4,544 2026-07-29 13:52:38
200.229.239.0/24 4,543 2026-07-29 13:52:38
131.255.101.0/24 4,542 2026-07-29 13:52:38
138.59.148.0/24 4,539 2026-07-29 13:52:38
177.222.23.0/24 4,538 2026-07-29 15:42:29
177.184.200.0/24 4,538 2026-07-29 15:42:29
187.62.217.0/24 4,537 2026-07-29 15:43:28
177.184.201.0/24 4,535 2026-07-29 15:42:29
138.204.94.0/24 4,535 2026-07-29 13:52:38
131.255.100.0/24 4,533 2026-07-29 13:52:38
200.229.229.0/24 4,527 2026-07-29 13:52:38
177.184.199.0/24 4,527 2026-07-29 15:42:29
177.184.197.0/24 4,519 2026-07-29 15:42:29
170.81.171.0/24 4,519 2026-07-29 13:52:38

Showing top 50 of 127 announced prefixes by sample volume.

Frequently Asked Questions

What is AS273490?

AS273490 is an Autonomous System Number assigned to FIBRION 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 AS273490 announce?

AS273490 announces 23.0K IPv4 addresses distributed across 15 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS273490?

AS273490 is operated by FIBRION INTERNET LTDA. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS273490 registered in?

AS273490 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-29 17:25:31 UTC
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