AS/BGP Report -> United States -> as174

book Summary for as174

The Autonomous System (AS) number 174 is assigned to Cogent Communications. AS174 is assigned on 1996-05-16 by the Regional Internet Registry arin. The country of registration is United States. At least 1,188,857 domains are hosted on AS174. Examples of domains are openstreetmap.org and fedoraproject.org. At least 11,859 name servers are hosted on AS174. Examples of name servers are ns.conficker-sinkhole.net and ns.conficker-sinkhole.org. There are 3241 IPv4 prefixes announced by AS174. Examples of prefixes are and There are 669 IPv6 prefixes announced by AS174. Examples of prefixes are 2001:550::/32 and 2001:550:103::/48.

book General Information

AS number174 (AS174 / ASN174)
OrganizationCogent Communications
CountryUnited States (US) us flag
Allocation date1996-05-16 by ARIN
Number of IPv4 addresses27,330,304
ASRank (based on number of IPs)17
Number of IP prefixes3,241 (IPv4) 669 (IPv6)
Number of peers270 (IPv4) 137 (IPv6)

trending_up Hosting Summary

Number of domains hosted1,188,857
Number of adult domains hosted1,295
Number of name servers hosted11,859
Number of SPAM hosts hosted212
Number of open proxies hosted11
Number of mail servers hosted83,783
Number of IDN domains hosted157
Number of domains in Alexa top million536

import_export IP Prefixes and Peers

Number of prefixes and peers for the last 360 days.


dns Hosting Details

timeline History Graphs

Number of domains, mail and name server hosted in the past on this AS.

Hosting history of domains break down by Top Level Domain (TLD) category.

AS Ranking history based on number of IPv4 addresses.


business Whois Information

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flag Country Information

CountryUnited States us flag
Area9,629,091 km²
Map of country us

announcement About this Report

The AS/BGP Report is calculated for every allocated AS number. The report is updated on a weekly basis, last updated on 2021-12-05.

The underlying DNS data is updated every 3 weeks, the Whois data is cached for about one month.

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