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Autonomous System

AS28254

Arganet Comunicacao e Monitoramento Digital Ltda

Announced IPs
6,144
CIDR prefixes
2
ASN
AS28254

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.

65/100
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 Balanced
Peering policy Selective
IRR record AS28254: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 AS28254 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
177.71.18.0/23 121,108 2026-07-24 15:53:35
177.71.16.0/23 120,592 2026-07-24 15:53:35
177.71.16.0/21 116,373 2026-07-24 15:53:35
187.16.136.0/23 24,601 2026-07-24 15:53:40
187.16.140.0/23 22,783 2026-07-24 15:53:40
177.71.22.0/23 22,769 2026-07-24 15:53:32
177.71.20.0/23 22,725 2026-07-24 15:53:32
187.16.128.0/20 22,557 2026-07-24 15:53:40
187.16.134.0/23 21,965 2026-07-24 15:53:40
187.16.128.0/23 21,887 2026-07-24 15:53:40
187.16.130.0/23 21,887 2026-07-24 15:53:40
187.16.132.0/23 21,809 2026-07-24 15:53:40
187.16.138.0/23 21,676 2026-07-24 15:53:40
187.16.142.0/23 21,627 2026-07-24 15:53:40
187.16.129.0/24 1,524 2026-07-24 15:53:40
187.16.132.0/24 1,519 2026-07-24 15:53:40
187.16.131.0/24 1,518 2026-07-24 15:53:40
187.16.134.0/24 1,515 2026-07-24 15:53:40
187.16.130.0/24 1,511 2026-07-24 15:53:40
177.71.23.0/24 1,508 2026-07-24 15:53:32
187.16.128.0/24 1,508 2026-07-24 15:53:40
187.16.140.0/24 1,506 2026-07-24 15:53:40
187.16.143.0/24 1,505 2026-07-24 15:53:40
187.16.133.0/24 1,501 2026-07-24 15:53:40
177.71.17.0/24 1,500 2026-07-24 15:53:32
177.71.21.0/24 1,496 2026-07-24 15:53:32
187.16.142.0/24 1,492 2026-07-24 15:53:40
177.71.19.0/24 1,492 2026-07-24 15:53:32
177.71.22.0/24 1,490 2026-07-24 15:53:32
187.16.137.0/24 1,490 2026-07-24 15:53:40
177.71.20.0/24 1,490 2026-07-24 15:53:32
187.16.135.0/24 1,489 2026-07-24 15:53:40
187.16.138.0/24 1,487 2026-07-24 15:53:40
177.71.16.0/24 1,482 2026-07-24 15:53:32
187.16.141.0/24 1,481 2026-07-24 15:53:40
187.16.136.0/24 1,480 2026-07-24 15:53:40
177.71.18.0/24 1,477 2026-07-24 15:53:32
187.16.139.0/24 1,465 2026-07-24 15:53:40

Frequently Asked Questions

What is AS28254?

AS28254 is an Autonomous System Number assigned to Arganet Comunicacao e Monitoramento Digital 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 AS28254 announce?

AS28254 announces 6.1K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS28254?

AS28254 is operated by Arganet Comunicacao e Monitoramento Digital Ltda. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS28254 registered in?

AS28254 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 15:55:31 UTC
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