Skip to main content
Autonomous System

AS19889

Cooperativa Telefonica Del Viso

Announced IPs
40,960
CIDR prefixes
5
ASN
AS19889

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
Traffic level 100-200Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS19889:AS-TELVISO

Present at 1 internet exchange: AR-IX Cabase - Argentina

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS19889 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
181.118.234.0/23 91,116 2026-07-24 07:31:23
181.118.226.0/23 90,991 2026-07-24 07:31:23
181.118.240.0/23 90,666 2026-07-24 07:31:23
181.118.236.0/23 90,493 2026-07-24 07:31:23
181.118.232.0/23 90,398 2026-07-24 07:31:23
181.118.238.0/23 90,387 2026-07-24 07:31:23
181.118.242.0/23 90,372 2026-07-24 07:31:23
181.118.248.0/23 90,335 2026-07-24 07:31:23
181.118.244.0/23 90,329 2026-07-24 07:31:23
181.118.246.0/23 90,327 2026-07-24 07:31:23
181.118.252.0/23 90,271 2026-07-24 07:31:23
181.118.230.0/23 90,239 2026-07-24 07:31:23
181.118.228.0/23 90,233 2026-07-24 07:31:23
181.118.224.0/23 90,224 2026-07-24 07:31:23
181.118.254.0/23 90,196 2026-07-24 07:31:23
181.118.250.0/23 90,165 2026-07-24 07:31:23
190.57.200.0/22 12,488 2026-07-24 07:21:37
190.3.128.0/23 12,467 2026-07-24 07:21:37
190.57.220.0/22 12,444 2026-07-24 07:21:37
190.57.208.0/22 12,402 2026-07-24 07:21:37
190.3.136.0/22 12,402 2026-07-24 07:21:37
190.3.148.0/22 12,401 2026-07-24 07:21:37
190.57.196.0/22 12,400 2026-07-24 07:21:37
190.3.144.0/22 12,400 2026-07-24 07:21:37
190.57.216.0/22 12,399 2026-07-24 07:21:37
190.3.156.0/22 12,398 2026-07-24 07:21:37
190.3.140.0/22 12,390 2026-07-24 07:21:37
190.3.152.0/22 12,390 2026-07-24 07:21:37
190.57.212.0/22 12,388 2026-07-24 07:21:37
190.3.132.0/22 12,383 2026-07-24 07:21:37
190.57.204.0/22 12,380 2026-07-24 07:21:37
190.57.192.0/22 12,373 2026-07-24 07:21:37
190.3.148.0/23 12,245 2026-07-24 07:21:37
190.3.158.0/23 12,242 2026-07-24 07:21:37
190.3.138.0/23 12,242 2026-07-24 07:21:37
190.3.140.0/23 12,230 2026-07-24 07:21:37
190.3.152.0/23 12,229 2026-07-24 07:21:37
190.3.142.0/23 12,227 2026-07-24 07:21:37
190.3.150.0/23 12,227 2026-07-24 07:21:37
190.3.132.0/23 12,223 2026-07-24 07:21:37
190.3.146.0/23 12,223 2026-07-24 07:21:37
190.3.134.0/23 12,223 2026-07-24 07:21:37
190.3.144.0/23 12,222 2026-07-24 07:21:37
190.3.156.0/23 12,222 2026-07-24 07:21:37
190.3.136.0/23 12,222 2026-07-24 07:21:37
190.3.154.0/23 12,221 2026-07-24 07:21:37
190.3.130.0/23 12,214 2026-07-24 07:21:37
161.22.16.0/22 6,818 2026-07-24 07:21:35
161.22.20.0/22 6,808 2026-07-24 07:21:35
161.22.28.0/22 6,807 2026-07-24 07:21:35

Showing top 50 of 248 announced prefixes by sample volume.

Frequently Asked Questions

What is AS19889?

AS19889 is an Autonomous System Number assigned to Cooperativa Telefonica Del Viso. 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 AS19889 announce?

AS19889 announces 41.0K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Argentina.

Who operates AS19889?

AS19889 is operated by Cooperativa Telefonica Del Viso. The organization is based in Argentina. You can view all IP ranges and related ASNs on the organization page.

What country is AS19889 registered in?

AS19889 is registered in Argentina. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 07:40:30 UTC
Share