MyIPScan

Autonomous System

AS174 — Cogent Communications

Transit
Organization
Cogent Communications
ASN
AS174
Country
United States
Category
Tier-1 Transit

By: Katia Belokon · Updated June 2026

IP Geolocation Lookup WHOIS Lookup VPN Leak Test

What is AS174 (Cogent Communications)?

AS174 is operated by Cogent Communications, a major tier-1 internet backbone provider headquartered in Washington D.C. Cogent provides high-speed transit to ISPs, enterprises, and data centers worldwide.

Privacy note

AS174 typically appears in traceroute and BGP paths rather than in direct IP lookups. Seeing Cogent in a routing path means your traffic passed through Cogent's backbone.

Check IPs in AS174 with MyIPScan tools

IP Geolocation LookupSee country, city, ISP, and ASN details for any IP address. IP Blacklist CheckerCheck if an IP appears on major spam and abuse blocklists. WHOIS LookupGet registrar and ownership information for this IP block. DNS LookupLook up PTR records and DNS data for specific IPs. DNS Leak TestCheck which DNS resolvers your browser is using right now. VPN Leak TestVerify your VPN is routing all traffic correctly. What Is an ASN?How autonomous systems identify networks.Cogent Communications IP rangesAnnounced prefixes for this network.

Frequently asked questions about AS174

Who owns AS174?

AS174 is registered to Cogent Communications, a Tier-1 Transit network based in United States.

What type of network is AS174?

AS174 is classified as a Tier-1 Transit. This type of network is responsible for routing traffic within its allocated IP address ranges.

How do I investigate IPs in AS174?

Use MyIPScan's IP Geolocation Lookup, WHOIS Lookup, or IP Blacklist Checker. You can also look up AS174 in public BGP databases such as bgp.he.net.

Related networks

Other transit and backbone autonomous systems.

AS3257 — GTT CommunicationsTransit · United States.AS1299 — Arelion (formerly Telia Carrier)Tier-1 Transit · Sweden.AS3356 — Lumen Technologies (Level 3)Tier-1 Transit · United States.AS2914 — NTT Global IP NetworkTier-1 Transit · Japan.AS6453 — Tata Communications (America)Transit · United States.

Related lookups

Use MyIPScan to look up any IP address, check your current public IP, or run a full privacy diagnostic.

Check My Current IP Full Exposure Report All ASN Pages