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Autonomous System

AS28187

Stratus Telecomunicacoes Ltda

Announced IPs
9,216
CIDR prefixes
3
ASN
AS28187

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 AS28187:AS-GLOBAL

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

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS28187 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
187.60.132.0/24 59,411 2026-07-26 13:34:32
189.89.218.0/24 7,716 2026-07-26 13:34:33
189.89.217.0/24 7,706 2026-07-26 13:34:33
189.89.208.0/20 7,657 2026-07-26 13:27:02
189.89.213.0/24 7,634 2026-07-26 13:34:33
189.89.214.0/24 7,621 2026-07-26 13:34:33
189.89.219.0/24 7,620 2026-07-26 13:34:33
189.89.215.0/24 7,618 2026-07-26 13:34:33
189.89.220.0/24 7,616 2026-07-26 13:34:33
187.60.142.0/24 7,593 2026-07-26 13:34:33
189.89.210.0/24 7,586 2026-07-26 13:34:33
189.89.209.0/24 7,585 2026-07-26 13:34:33
189.89.216.0/24 7,582 2026-07-26 13:34:33
189.89.208.0/24 7,578 2026-07-26 13:34:33
189.89.212.0/24 7,553 2026-07-26 13:34:33
189.89.211.0/24 7,546 2026-07-26 13:34:33
189.89.222.0/24 7,478 2026-07-26 13:34:33
187.60.133.0/24 7,465 2026-07-26 13:34:33
187.60.128.0/24 7,442 2026-07-26 13:34:33
187.60.130.0/24 7,437 2026-07-26 13:34:33
189.89.221.0/24 7,422 2026-07-26 13:34:33
189.89.223.0/24 7,404 2026-07-26 13:34:33
187.60.128.0/20 7,042 2026-07-26 13:27:02
138.185.168.0/22 7,032 2026-07-26 13:27:02

Frequently Asked Questions

What is AS28187?

AS28187 is an Autonomous System Number assigned to Stratus Telecomunicacoes 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 AS28187 announce?

AS28187 announces 9.2K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Brazil.

Who operates AS28187?

AS28187 is operated by Stratus Telecomunicacoes Ltda. The organization is based in Brazil. You can view all IP ranges and related ASNs on the organization page.

What country is AS28187 registered in?

AS28187 is registered in Brazil. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-26 13:40:31 UTC
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