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Autonomous System

AS1790

Cogent Communications, LLC

Announced IPs
1,280
CIDR prefixes
5
ASN
AS1790

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
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About Cogent Communications

Cogent Communications Holdings, Inc. is a multinational internet service provider based in the United States.

Founded
1999
Headquarters
Washington, D.C.
Industry
telecommunications

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS1790 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
208.11.210.0/24 12,707 2026-07-18 12:18:45
208.7.91.0/24 7,619 2026-07-18 12:18:42
198.176.214.0/24 4,895 2026-07-18 10:52:49
198.176.213.0/24 4,886 2026-07-18 10:52:49

Frequently Asked Questions

What is AS1790?

AS1790 is an Autonomous System Number assigned to Cogent Communications, LLC. 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 AS1790 announce?

AS1790 announces 1.3K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.

Who operates AS1790?

AS1790 is operated by Cogent Communications, LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS1790 registered in?

AS1790 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 12:40:28 UTC
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