Cogent Communications operates AS174: 8,780 IPv4 prefixes covering 24,525,584 addresses, most of them in 
United States.
By IPv4 addresses the network ranks #15 worldwide and #9 of 18,202 networks in United States. That is 1.7% of the country’s IPv4 space.
The network spreads across six or more countries: United States 91%, Canada 4.7%, United Kingdom 1.7%.
The largest block is 38.213.243.0 to 38.221.207.255 with 515,328 addresses, geolocated to Dallas.
- IPv4 addresses
- 24,525,584
- IPv4 prefixes
- 8,780
- World rank
- #15
- Country share
- 1.7%
- IPv6 ranges
- 91
Addresses by country
- United States 91%
Canada 4.7%
United Kingdom 1.7%
France 0.93%
Hong Kong 0.92%
Germany 0.90%
Largest blocks
- 38.213.243.0 Dallas515,328
- 38.229.253.0 Lake Mary393,984
- 149.91.128.0 Cleveland294,912
- 206.3.203.0 Cleveland275,712
- 204.204.0.0 Washington D.C. (Northwest Washington)262,144
- 38.150.120.0 Hong Kong231,424
- 206.232.182.0 Cleveland213,504
- 154.24.0.0 Toronto162,304
Networks of similar size
- AS3320 Deutsche Telekom AG34,157,568
- AS4713 NTT Communications Corporation
28,623,872 - AS721 DoD Network Information Center28,432,896
- AS3356 Level 3 Communications, Inc.27,456,516
- AS396982 Google LLC21,963,008
- AS14618 Amazon.com, Inc.21,566,208
- AS3215 Orange S.A.20,081,408
- AS3269 Telecom Italia S.p.A.
19,828,480
IPv4 prefixes
- 2.58.4.0/22
- 5.83.219.0/24
- 5.157.72.0/21
- 8.24.64.0/23
- 8.24.72.0/23
- 16.5.198.0/24
- 23.26.130.0/24
- 23.135.116.0/24
- 23.135.124.0/24
- 23.141.196.0/24
- 23.141.204.0/24
- 23.141.212.0/24
- 23.141.228.0/24
- 23.142.100.0/24
- 23.144.28.0/24
- 23.144.60.0/24
- 23.146.76.0/24
- 23.146.116.0/24
- 23.148.44.0/24
- 23.148.60.0/24
- 23.148.68.0/24
- 23.148.92.0/24
- 23.148.116.0/24
- 23.148.124.0/24
- 23.148.164.0/24
- 23.151.196.0/24
- 23.161.96.0/24
- 23.227.92.0/22
- 23.234.144.0/22
- 23.237.93.0/24
- 37.34.88.0/21
- 37.49.150.0/24
- 38.0.0.0/15
- 38.2.42.0/23
- 38.2.128.0/21
- 38.2.143.0/24
- 38.2.229.0/24
- 38.3.0.0/20
- 38.3.32.0/19
- 38.3.128.0/23
- 38.3.144.0/22
- 38.3.161.0/24
- 38.3.171.0/24
- 38.3.180.0/22
- 38.3.187.0/24
- 38.3.191.0/24
- 38.3.202.0/23
- 38.3.204.0/22
- 38.3.223.0/24
- 38.4.3.0/24
- 38.4.4.0/22
- 38.4.8.0/21
- 38.4.32.0/24
- 38.4.34.0/23
- 38.4.36.0/22
- 38.4.40.0/21
- 38.4.50.0/23
- 38.4.52.0/22
- 38.4.96.0/20
- 38.4.119.0/24
- 38.4.120.0/21
- 38.4.144.0/20
- 38.4.160.0/19
- 38.4.192.0/18
- 38.5.0.0/16
- 38.7.64.0/20
- 38.7.96.0/23
- 38.7.99.0/24
- 38.7.108.0/23
- 38.7.119.0/24
- 38.7.120.0/21
- 38.7.129.0/24
- 38.7.130.0/23
- 38.7.160.0/19
- 38.7.224.0/19
- 38.8.0.0/16
- 38.9.32.0/23
- 38.9.41.0/24
- 38.9.42.0/23
- 38.9.51.0/24
- 38.9.52.0/24
- 38.9.54.0/23
- 38.9.121.0/24
- 38.9.177.0/24
- 38.9.210.0/23
- 38.9.214.0/23
- 38.10.0.0/24
- 38.10.2.0/23
- 38.10.4.0/22
- 38.10.8.0/21
- 38.10.16.0/21
- 38.10.25.0/24
- 38.10.26.0/23
- 38.10.28.0/22
- 38.10.93.0/24
- 38.10.94.0/24
- 38.10.100.0/23
- 38.10.117.0/24
- 38.10.120.0/21
- 38.10.150.0/23
- 38.10.156.0/22
- 38.10.160.0/20
- 38.10.192.0/19
- 38.10.244.0/23
- 38.12.0.0/18
- 38.13.128.0/21
- 38.13.140.0/22
- 38.13.144.0/20
- 38.13.160.0/19
- 38.15.0.0/20
- 38.15.16.0/24
- 38.15.22.0/24
- 38.15.31.0/24
- 38.15.146.128/25
- 38.15.147.0/24
- 38.15.148.0/22
- 38.15.160.0/21
- 38.15.190.0/23
- 38.16.0.0/16
- 38.17.16.0/20
- 38.17.32.0/21
- 38.17.40.0/22
- 38.17.48.0/21
- 38.17.64.0/18
- 38.18.0.0/19
- 38.18.160.0/19
- 38.18.236.0/22
- 38.19.0.0/21
- 38.19.12.0/23
- 38.19.15.0/24
- 38.19.32.0/24
- 38.19.45.0/24
- 38.19.48.0/24
- 38.19.58.0/24
- 38.19.95.0/24
- 38.19.112.0/20
- 38.19.128.0/20
- 38.19.160.0/21
- 38.19.172.0/22
- 38.19.188.0/24
- 38.19.190.0/23
- 38.19.192.0/23
- 38.19.197.0/24
- 38.19.198.0/23
- 38.19.214.0/24
- 38.19.224.0/23
- 38.19.234.0/23
- 38.19.236.0/24
- 38.19.242.0/23
- 38.19.245.0/24
- 38.19.246.0/24
- 38.19.251.0/24
- 38.19.255.0/24
- 38.20.5.0/24
- 38.20.12.0/24
- 38.20.16.0/20
- 38.20.32.0/19
- 38.20.64.0/19
- 38.20.130.0/23
- 38.20.136.0/22
- 38.20.152.0/22
- 38.20.160.0/20
- 38.20.184.0/21
- 38.20.200.0/22
- 38.20.228.0/22
- 38.20.232.0/21
- 38.21.64.0/22
- 38.21.96.0/21
- 38.21.114.0/24
- 38.21.176.0/21
- 38.21.193.0/24
- 38.21.194.0/23
- 38.21.196.0/24
- 38.21.205.0/24
- 38.22.8.0/22
- 38.22.16.0/24
- 38.22.18.0/23
- 38.22.20.0/22
- 38.22.26.0/24
- 38.22.33.0/24
- 38.22.36.0/22
- 38.22.40.0/22
- 38.22.46.0/23
- 38.22.56.0/22
- 38.22.66.0/23
- 38.22.73.0/24
- 38.22.74.0/23
- 38.22.76.0/23
- 38.22.78.0/24
- 38.22.80.0/21
- 38.22.106.0/23
- 38.22.108.0/24
- 38.22.110.0/23
- 38.22.122.0/23
- 38.22.125.0/24
- 38.22.126.0/23
- 38.22.168.0/24
- 38.22.171.0/24
- 38.22.173.0/24
- 38.22.174.0/24
- 38.22.176.0/24
- 38.22.186.0/24
- 38.22.218.0/24
- 38.22.220.0/22
- 38.22.224.0/22
- 38.22.230.0/23
- 38.22.232.0/23
- 38.22.236.0/22
- 38.22.255.0/24
- 38.23.64.0/19
- 38.24.0.0/16
- 38.26.0.0/16
- 38.27.0.0/24
- 38.27.4.0/22
- 38.27.8.0/21
- 38.27.16.0/20
- 38.27.32.0/22
- 38.27.38.0/23
- 38.27.40.0/21
- 38.27.48.0/20
- 38.27.64.0/19
- 38.27.107.0/24
- 38.27.108.0/24
- 38.27.111.0/24
- 38.27.116.0/23
- 38.27.119.0/24
- 38.27.120.0/24
- 38.27.122.0/24
- 38.27.136.0/22
- 38.27.144.0/20
- 38.27.160.0/24
- 38.27.163.0/24
- 38.27.166.0/23
- 38.27.168.0/21
- 38.27.176.0/20
- 38.27.193.0/24
- 38.27.194.0/23
- 38.27.196.0/22
- 38.27.200.0/21
- 38.27.208.0/20
- 38.27.224.0/19
- 38.28.0.0/18
- 38.28.64.0/21
- 38.29.0.0/20
- 38.29.16.0/21
- 38.29.24.0/23
- 38.29.64.0/18
- 38.29.144.0/23
- 38.29.147.0/24
- 38.29.150.0/24
- 38.29.168.0/23
- 38.29.171.0/24
- 38.29.172.0/24
- 38.29.174.0/24
- 38.29.186.0/23
- 38.29.188.0/24
- 38.29.190.0/24
- 38.29.194.0/24
- 38.29.200.0/23
- 38.29.202.0/24
- 38.29.214.0/24
- 38.29.216.0/23
- 38.29.220.0/22
- 38.29.224.0/23
- 38.29.230.0/23
- 38.29.232.0/21
- 38.30.0.0/17
- 38.31.0.0/18
- 38.31.130.0/24
- 38.31.231.0/24
- 38.31.232.0/22
- 38.31.236.0/23
- 38.31.243.0/24
- 38.32.0.0/16
- 38.34.0.0/21
- 38.34.8.0/22
- 38.34.12.0/24
- 38.34.14.0/23
- 38.34.16.0/20
- 38.34.167.0/24
- 38.34.168.0/22
- 38.35.64.0/19
- 38.35.160.0/19
- 38.35.234.0/23
- 38.35.243.0/24
- 38.35.244.0/24
- 38.35.252.0/23
- 38.35.254.0/24
- 38.36.0.0/15
- 38.39.16.0/21
- 38.39.32.0/19
- 38.39.96.0/19
- 38.39.224.0/19
- 38.40.128.0/17
- 38.41.65.0/24
- 38.41.66.0/24
- 38.41.69.0/24
- 38.41.71.0/24
- 38.41.74.0/23
- 38.41.76.0/23
and 8,480 more prefixes
Questions and answers
Who owns AS174?
Autonomous system AS174 is operated by Cogent Communications.
How many IP addresses does AS174 have?
The network holds 24,525,584 IPv4 addresses in 8,780 prefixes, plus 91 IPv6 ranges.
Which country is AS174 in?
The main country is United States, with addresses in 5 more countries.
How big is AS174?
By IPv4 addresses it ranks #15 worldwide.
What is the largest address block of AS174?
38.213.243.0 to 38.221.207.255, 515,328 addresses.