Cogent

Cogent - Hosting

The following page provides details on the Cogent cloud host: network maps, network ranges, PoPs, IPs and applications using the cloud host.

What Is Cogent?

Cogent Communications is a multinational internet service provider based in the US. The company's primary services consist of Internet access and data transport, offered on a fiber optic, IP data-only network, along with colocation in data centers.

Category	Hosting
Web Link	Home Page

Cloud Hosting

The Cloud Hosting information shown here is available in our Netify Data Feeds solution. The data is accessible via our IP API as well as downloadable datasets.

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Cogent - Network Ranges

IPv4 Network Ranges

2.58.4.0/22
5.157.72.0/21
5.182.110.0/24
and 14717 more

IPv6 Network Ranges

2a0c:9e06::/32
2a0c:71c0:1::/48
2a0c:71c0:2::/48
and 2032 more

Network Ranges and Routes
The networks listed here are low-level detailed routes - either BGP or internal.

Cogent - ASNs

AS2649	Cogent
AS1239	Cogent (Sprint)
AS2149	Cogent - C-root
	and 2 more

What is an ASN?
An Autonomous System Number (ASN) is a unique identifier assigned to a collection of IP networks managed by an organization.

Cogent - Domains

cogentco.com is the primary domain associated with Cogent.

Cogent - Active Applications

Name	Category
Tor	VPN and Proxy	App Info
Root Servers	Technology	App Info
SpamExperts	Cybersecurity	App Info
SolarWinds	Business	App Info
SonicWall	Cybersecurity	App Info
SURBL	Cybersecurity	App Info

... and 30 more

The adjacent list of applications use Cogent.

Cogent - Decentralized Apps

Name	IP Info	Sample IP
Tor Relay	13 IPs	185.142.238.67
Tor Exit	1 IPs	185.142.239.49

Decentralized App?
Some applications, by their very nature, are distributed around various corners of the Internet. Examples: Tor nodes, speed test servers, and mobile gateways.

Cogent - Network Map

Cogent is deployed across 31 cities in 10 countries and territories.

Geography
Cities	31
Countries	10
Continents	3
Anycast

Network
Total Ranges	16,755
IPv4 Ranges	14,720
IPv6 Ranges	2,035
Anycast Ranges	2

Only the locations of important networks exchanges and edge cache systems are provided.

Anycast makes it possible to route a single IP address to a variety of different geographic points-of-presence. Nifty.