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AS174

AS174 is Cogent Communications.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (3 Nov 2026)

Short answer

AS174 belongs to Cogent Communications. DB-IP Lite attributes 24,201,232 IPv4 addresses in 4,599 ranges and 93 IPv6 ranges to it, 85% of the IPv4 space in United States. The number is registered with ARIN in United States on 16 May 1996.

Facts for AS174
Operator (DB-IP)Cogent Communications
IPv4 addresses24,201,232
IPv4 ranges4,599
IPv6 ranges93
RegistryARIN
Registered16 May 1996
Registry countryUnited States (US)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Cogent Communications hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 93 IPv6 ranges for AS174, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

US85%
CA5%
GB1%
FR0.86%
HK0.74%
BR0.71%
DE0.59%
ES0.58%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
2.58.4.0 – 2.58.7.2552.58.4.0/221,024
5.83.219.0 – 5.83.219.2555.83.219.0/24256
5.157.72.0 – 5.157.79.2555.157.72.0/212,048
8.24.64.0 – 8.24.65.2558.24.64.0/23512
8.24.72.0 – 8.24.73.2558.24.72.0/23512
16.5.198.0 – 16.5.198.25516.5.198.0/24256
23.26.130.0 – 23.26.130.25523.26.130.0/24256
23.135.116.0 – 23.135.116.25523.135.116.0/24256
23.135.124.0 – 23.135.124.25523.135.124.0/24256
23.141.196.0 – 23.141.196.25523.141.196.0/24256
23.141.204.0 – 23.141.204.25523.141.204.0/24256
23.141.212.0 – 23.141.212.25523.141.212.0/24256
23.141.228.0 – 23.141.228.25523.141.228.0/24256
23.142.100.0 – 23.142.100.25523.142.100.0/24256
23.144.28.0 – 23.144.28.25523.144.28.0/24256
23.144.60.0 – 23.144.60.25523.144.60.0/24256
23.146.76.0 – 23.146.76.25523.146.76.0/24256
23.146.116.0 – 23.146.116.25523.146.116.0/24256
23.148.44.0 – 23.148.44.25523.148.44.0/24256
23.148.60.0 – 23.148.60.25523.148.60.0/24256
23.148.68.0 – 23.148.68.25523.148.68.0/24256
23.148.92.0 – 23.148.92.25523.148.92.0/24256
23.148.116.0 – 23.148.116.25523.148.116.0/24256
23.148.124.0 – 23.148.124.25523.148.124.0/24256
23.148.164.0 – 23.148.164.25523.148.164.0/24256
23.151.196.0 – 23.151.196.25523.151.196.0/24256
23.161.96.0 – 23.161.96.25523.161.96.0/24256
23.167.168.0 – 23.167.168.25523.167.168.0/24256
23.227.92.0 – 23.227.95.25523.227.92.0/221,024
23.234.144.0 – 23.234.147.25523.234.144.0/221,024
23.237.93.0 – 23.237.93.25523.237.93.0/24256
37.34.88.0 – 37.34.95.25537.34.88.0/212,048
37.49.150.0 – 37.49.150.25537.49.150.0/24256
38.0.0.0 – 38.1.255.25538.0.0.0/15131,072
38.2.128.0 – 38.2.135.25538.2.128.0/212,048
38.2.143.0 – 38.2.143.25538.2.143.0/24256
38.2.229.0 – 38.2.229.25538.2.229.0/24256
38.3.0.0 – 38.3.15.25538.3.0.0/204,096
38.3.32.0 – 38.3.63.25538.3.32.0/198,192
38.3.128.0 – 38.3.129.25538.3.128.0/23512
38.3.144.0 – 38.3.147.25538.3.144.0/221,024
38.3.161.0 – 38.3.161.25538.3.161.0/24256
38.3.171.0 – 38.3.171.25538.3.171.0/24256
38.3.180.0 – 38.3.183.25538.3.180.0/221,024
38.3.187.0 – 38.3.187.25538.3.187.0/24256
38.3.191.0 – 38.3.191.25538.3.191.0/24256
38.3.202.0 – 38.3.207.25538.3.202.0/23, 38.3.204.0/221,536
38.3.223.0 – 38.3.223.25538.3.223.0/24256
38.4.4.0 – 38.4.4.25538.4.4.0/24256
38.4.6.0 – 38.4.15.25538.4.6.0/23, 38.4.8.0/212,560
2001:550:: – 2001:550:108:ffff:ffff:ffff:ffff:ffff2001:550::/40IPv6
2001:550:10a:: – 2001:550:300:ffff:ffff:ffff:ffff:ffff2001:550:10a::/47IPv6
2001:550:302:: – 2001:550:408:ffff:ffff:ffff:ffff:ffff2001:550:302::/47IPv6
2001:550:40a:: – 2001:550:410:ffff:ffff:ffff:ffff:ffff2001:550:40a::/47IPv6
2001:550:412:: – 2001:550:500:ffff:ffff:ffff:ffff:ffff2001:550:412::/47IPv6
2001:550:502:: – 2001:550:600:ffff:ffff:ffff:ffff:ffff2001:550:502::/47IPv6
2001:550:602:: – 2001:550:906:ffff:ffff:ffff:ffff:ffff2001:550:602::/47IPv6
2001:550:908:: – 2001:550:a00:ffff:ffff:ffff:ffff:ffff2001:550:908::/45IPv6
2001:550:a02:: – 2001:550:a07:ffff:ffff:ffff:ffff:ffff2001:550:a02::/47IPv6
2001:550:a09:: – 2001:550:a26:ffff:ffff:ffff:ffff:ffff2001:550:a09::/48IPv6
2001:550:a28:: – 2001:550:d0b:ffff:ffff:ffff:ffff:ffff2001:550:a28::/45IPv6
2001:550:d0d:: – 2001:550:1403:ffff:ffff:ffff:ffff:ffff2001:550:d0d::/48IPv6
2001:550:1405:: – 2001:550:1600:ffff:ffff:ffff:ffff:ffff2001:550:1405::/48IPv6
2001:550:1602:: – 2001:550:17ff:ffff:ffff:ffff:ffff:ffff2001:550:1602::/47IPv6
2001:550:1801:: – 2001:550:1b09:ffff:ffff:ffff:ffff:ffff2001:550:1801::/48IPv6
2001:550:1b0b:: – 2001:550:1d04:ffff:ffff:ffff:ffff:ffff2001:550:1b0b::/48IPv6
2001:550:1d06:: – 2001:550:2003:ffff:ffff:ffff:ffff:ffff2001:550:1d06::/47IPv6
2001:550:2005:: – 2001:550:220c:ffff:ffff:ffff:ffff:ffff2001:550:2005::/48IPv6
2001:550:220e:: – 2001:550:2704:ffff:ffff:ffff:ffff:ffff2001:550:220e::/47IPv6
2001:550:2707:: – 2001:550:2800:ffff:ffff:ffff:ffff:ffff2001:550:2707::/48IPv6
Showing 50 of 4,599 IPv4 and 20 of 93 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 4 Nov 2026