IDC, China Telecommunications Corporation operates AS23724: 486 IPv4 prefixes covering 1,951,232 addresses, most of them in 
China.
By IPv4 addresses the network ranks #196 worldwide and #14 of 587 networks in China. That is 0.55% of the country’s IPv4 space.
The network spreads across 3 countries: China 99%, United States 0.46%, Japan 0.28%.
The largest block is 221.122.0.0 to 221.122.255.255 with 65,536 addresses, geolocated to Chaowai (Chaoyang).
- IPv4 addresses
- 1,951,232
- IPv4 prefixes
- 486
- World rank
- #196
- Country share
- 0.55%
- IPv6 ranges
- 16
Addresses by country
- China 99%
United States 0.46%
Japan 0.28%
Largest blocks
- 221.122.0.0 Chaowai (Chaoyang)65,536
- 123.59.0.0 Beijing65,536
- 115.102.0.0 Beijing65,536
- 114.64.0.0 Beijing65,536
- 49.7.0.0 Beijing (Dongcheng District)65,536
- 42.158.0.0 Chaowai (Chaoyang)65,536
- 120.135.1.0 Chaowai (Chaoyang)65,280
- 183.84.8.0 Beijing63,488
Networks of similar size
- AS22085 Claro S/A
1,972,736 - AS9304 HGC Global Communications Limited
1,958,912 - AS6799 Ote SA (Hellenic Telecommunications Organisation)
1,957,632 - AS13999 Mega Cable, S.A. de C.V.
1,957,632 - AS81 MCNC1,946,624
- AS10013 FreeBit Co.,Ltd.1,944,064
- AS37492 Orange Tunisie
1,942,016 - AS56045 China Mobile Communications Corporation1,929,984
IPv4 prefixes
- 1.203.94.0/23
- 1.203.115.0/24
- 1.203.124.0/22
- 36.110.128.0/18
- 36.110.192.0/20
- 36.110.208.0/22
- 36.110.212.0/24
- 36.110.214.0/23
- 36.110.224.0/21
- 36.110.232.0/23
- 36.110.236.0/22
- 36.110.240.0/20
- 36.111.80.0/23
- 36.111.88.0/24
- 36.111.148.0/23
- 36.112.128.0/21
- 36.112.136.0/22
- 36.112.142.0/23
- 36.112.145.0/24
- 36.112.146.0/23
- 36.112.148.0/23
- 36.112.150.0/24
- 36.112.154.0/23
- 36.112.156.0/22
- 36.112.168.0/23
- 36.112.235.0/24
- 42.62.0.0/17
- 42.158.0.0/16
- 43.196.232.0/22
- 43.231.160.0/22
- 43.231.167.0/24
- 43.231.168.0/23
- 43.231.170.0/24
- 43.243.232.0/22
- 43.247.176.0/20
- 45.254.64.0/20
- 49.4.32.0/20
- 49.4.128.0/22
- 49.7.0.0/16
- 54.222.46.0/23
- 54.222.48.0/21
- 54.222.65.0/24
- 54.222.89.0/24
- 54.222.96.0/23
- 54.222.100.0/22
- 54.222.104.0/21
- 54.222.112.0/22
- 54.222.116.0/23
- 59.151.20.0/22
- 59.151.24.0/23
- 59.151.26.0/24
- 59.151.28.0/22
- 61.4.80.0/23
- 101.36.64.0/20
- 101.124.0.0/20
- 101.124.19.0/24
- 101.124.22.0/24
- 101.124.24.0/21
- 101.124.62.0/24
- 101.198.0.0/22
- 101.198.4.0/24
- 101.236.80.0/20
- 101.236.96.0/19
- 101.236.128.0/17
- 101.237.33.0/24
- 101.237.34.0/23
- 101.237.36.0/22
- 101.237.40.0/24
- 101.237.128.0/20
- 101.251.195.0/24
- 101.251.202.0/24
- 101.251.204.0/22
- 101.251.208.0/20
- 101.251.227.0/24
- 101.251.229.0/24
- 101.251.232.0/24
- 101.251.236.0/24
- 101.251.239.0/24
- 101.251.240.0/24
- 101.251.242.0/24
- 101.251.244.0/23
- 101.251.247.0/24
- 101.251.248.0/24
- 101.251.251.0/24
- 101.251.252.0/22
- 101.254.0.0/20
- 101.254.32.0/19
- 101.254.64.0/19
- 101.254.96.0/23
- 101.254.98.0/24
- 101.254.100.0/22
- 101.254.104.0/21
- 101.254.112.0/20
- 101.254.128.0/17
- 103.15.96.0/22
- 103.17.40.0/22
- 103.26.0.0/22
- 103.26.64.0/23
- 103.28.8.0/24
- 103.37.73.0/24
- 103.37.74.0/23
- 103.70.8.0/22
- 103.74.24.0/21
- 103.74.48.0/22
- 103.102.200.0/22
- 103.107.216.0/21
- 103.149.242.0/24
- 103.227.122.0/23
- 103.231.68.0/23
- 103.231.71.0/24
- 103.235.85.0/24
- 103.235.232.0/21
- 103.235.251.0/24
- 103.235.252.0/22
- 103.242.172.0/22
- 103.244.80.0/22
- 103.244.232.0/22
- 103.247.168.0/22
- 103.252.37.0/24
- 103.252.38.0/23
- 103.254.188.0/22
- 106.0.6.0/23
- 106.2.128.0/20
- 106.2.144.0/21
- 106.2.152.0/22
- 106.2.156.0/23
- 106.3.0.0/19
- 106.3.80.0/22
- 106.3.88.0/21
- 106.3.128.0/21
- 106.3.136.0/23
- 106.3.138.0/24
- 106.3.140.0/22
- 106.3.150.0/24
- 106.3.152.0/21
- 106.3.192.0/20
- 106.13.244.0/22
- 106.13.248.0/23
- 106.37.0.0/19
- 106.37.32.0/20
- 106.37.48.0/23
- 106.37.56.0/23
- 106.37.72.0/22
- 106.38.128.0/21
- 106.38.136.0/22
- 106.38.176.0/21
- 106.38.184.0/22
- 106.38.188.0/23
- 106.38.192.0/18
- 106.39.160.0/20
- 106.39.176.0/21
- 106.39.184.0/23
- 106.39.186.0/24
- 106.39.192.0/20
- 106.39.208.0/21
- 106.39.216.0/23
- 106.39.218.0/24
- 106.39.220.0/22
- 106.39.224.0/19
- 106.63.3.0/24
- 106.63.4.0/22
- 106.63.8.0/23
- 106.63.10.0/24
- 106.120.144.0/20
- 106.120.161.0/24
- 106.120.162.0/23
- 106.120.164.0/22
- 106.120.168.0/21
- 106.120.176.0/20
- 106.120.232.0/23
- 106.121.0.0/19
- 106.121.64.0/19
- 106.121.128.0/18
- 110.43.90.0/23
- 110.43.192.0/22
- 110.43.196.0/24
- 110.43.198.0/23
- 110.43.200.0/21
- 110.43.208.0/21
- 110.173.8.0/21
- 110.173.16.0/20
- 110.173.32.0/20
- 113.59.224.0/22
- 114.64.0.0/16
- 114.67.131.0/24
- 114.67.136.0/24
- 114.67.150.0/24
- 114.67.152.0/22
- 114.67.156.0/24
- 114.67.159.0/24
- 114.67.224.0/19
- 114.110.0.0/20
- 114.112.4.0/23
- 114.112.24.0/21
- 114.112.32.0/19
- 114.112.65.0/24
- 114.112.67.0/24
- 114.112.68.0/23
- 114.112.71.0/24
- 114.112.72.0/21
- 114.112.80.0/24
- 114.112.83.0/24
- 114.112.84.0/24
- 114.112.87.0/24
- 114.112.89.0/24
- 114.112.90.0/24
- 114.112.92.0/23
- 114.112.96.0/21
- 114.112.104.0/22
- 114.113.208.0/21
- 114.115.0.0/17
- 114.115.128.0/18
- 114.115.224.0/19
- 114.116.64.0/18
- 114.116.128.0/18
- 114.116.192.0/19
- 114.118.0.0/19
- 114.118.64.0/19
- 114.118.96.0/21
- 115.102.0.0/16
- 116.196.0.0/21
- 116.196.8.0/22
- 116.196.12.0/23
- 116.196.64.0/18
- 116.196.218.0/23
- 116.196.220.0/22
- 116.198.0.0/18
- 116.198.64.0/21
- 116.198.72.0/22
- 116.198.96.0/19
- 117.48.112.0/20
- 117.50.128.0/17
- 117.51.160.0/23
- 117.72.0.0/24
- 117.73.0.0/20
- 117.73.18.0/23
- 117.73.20.0/22
- 117.79.80.0/20
- 117.79.128.0/21
- 117.79.144.0/20
- 117.107.128.0/17
- 117.118.128.0/17
- 118.26.48.0/22
- 118.26.192.0/24
- 118.26.194.0/23
- 118.26.208.0/20
- 118.26.240.0/20
- 118.102.17.0/24
- 118.102.18.0/23
- 118.102.20.0/23
- 118.102.24.0/22
- 118.102.29.0/24
- 118.102.30.0/23
- 118.126.140.0/23
- 118.126.142.0/24
- 118.186.0.0/22
- 118.186.4.0/23
- 118.186.6.0/24
- 118.186.8.0/21
- 118.186.16.0/20
- 118.186.32.0/24
- 118.186.34.0/23
- 118.186.36.0/22
- 118.186.56.0/21
- 118.186.64.0/21
- 118.186.80.0/21
- 118.186.240.0/21
- 118.187.0.0/19
- 118.187.64.0/20
- 118.191.192.0/23
- 118.193.96.0/19
- 118.194.32.0/19
- 119.61.0.0/17
- 119.61.129.0/24
- 119.61.130.0/23
- 119.61.132.0/22
- 119.61.136.0/21
- 119.61.144.0/20
- 119.61.160.0/19
- 119.61.192.0/18
- 119.80.240.0/22
- 119.254.0.0/20
- 119.254.32.0/22
- 119.254.36.0/24
- 119.254.38.0/23
- 119.254.48.0/20
- 119.254.64.0/19
- 119.254.96.0/20
- 119.254.224.0/22
- 119.254.228.0/24
- 119.254.230.0/23
- 119.254.232.0/22
- 119.254.248.0/22
- 119.254.252.0/23
- 119.254.254.0/24
- 119.255.128.0/21
- 119.255.144.0/20
- 119.255.160.0/19
- 119.255.192.0/18
- 120.92.196.0/22
and 186 more prefixes
Questions and answers
Who owns AS23724?
Autonomous system AS23724 is operated by IDC, China Telecommunications Corporation.
How many IP addresses does AS23724 have?
The network holds 1,951,232 IPv4 addresses in 486 prefixes, plus 16 IPv6 ranges.
Which country is AS23724 in?
The main country is China, with addresses in 2 more countries.
How big is AS23724?
By IPv4 addresses it ranks #196 worldwide.
What is the largest address block of AS23724?
221.122.0.0 to 221.122.255.255, 65,536 addresses.