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AS4538 ERX-CERNET-BKB - China Education and Research Network Center
China · Autonomous System
IPv4 announced
40.7M
2.43 × /8
IPv6 announced
3.5M
/48 blocks
Prefixes
5,733
routed
Country
CN
China
Announced prefixes
5114 prefixes currently seen by RIPEstat (live).
202.113.160.0/22116.13.150.0/23222.202.206.0/23202.207.208.0/2458.198.24.0/22222.203.52.0/22218.197.192.0/18210.34.80.0/24116.57.248.0/23121.194.176.0/20211.70.192.0/21121.192.2.0/24211.68.94.0/24211.66.0.0/16210.44.192.0/20218.198.16.0/2058.192.128.0/18222.199.96.0/22210.31.104.0/24219.224.16.0/20202.118.0.0/15118.202.32.0/20211.82.56.0/24222.28.240.0/20210.46.192.0/21219.246.176.0/20211.65.114.0/2459.71.124.0/23210.39.0.0/20210.44.16.0/20210.36.144.0/24219.243.144.0/21222.199.165.0/2442.247.94.0/24222.200.208.0/23210.27.160.0/19210.36.240.0/2159.70.48.0/24211.71.15.0/24219.228.176.0/20219.242.26.0/24121.251.26.0/23121.248.60.0/24222.207.208.0/20110.65.144.0/23210.47.100.0/23125.218.36.0/22121.192.48.0/23219.242.184.0/21115.158.96.0/20222.24.0.0/1359.75.32.0/20202.112.47.0/24222.29.83.0/24222.25.0.0/1859.71.128.0/17202.113.189.0/24222.204.40.0/24222.16.94.0/23219.244.128.0/20115.24.96.0/19218.193.144.0/24121.250.192.0/20101.5.24.0/21219.242.48.0/21121.249.144.0/20121.251.16.0/21116.56.0.0/18219.223.224.0/22219.220.181.0/24222.203.68.0/24210.26.79.0/24202.192.80.0/2458.155.136.0/23125.218.22.0/23125.219.152.0/23210.28.0.0/20219.227.134.0/23111.114.96.0/20202.113.64.0/24166.111.0.0/1858.200.0.0/13210.26.72.0/24115.156.64.0/1958.198.0.0/20110.65.240.0/20222.207.12.0/23211.84.156.0/24202.114.176.0/20219.242.192.0/20202.118.27.0/24121.250.24.0/21219.223.136.0/24125.217.224.0/21111.115.208.0/20111.116.112.0/21210.29.16.0/20219.226.14.0/24210.47.104.0/21219.225.128.0/19125.218.120.0/23222.16.182.0/2358.206.0.0/19122.205.64.0/19202.200.224.0/20211.85.128.0/20122.206.24.0/21183.170.0.0/16219.226.8.0/22111.114.112.0/20210.38.240.0/20210.30.96.0/20125.221.32.0/21121.248.64.0/21202.127.240.0/20125.218.60.0/22219.223.36.0/23202.113.80.0/21210.35.100.0/24202.201.255.0/24219.242.0.0/15218.193.112.0/2059.77.100.0/22202.205.117.0/24218.197.120.0/21101.4.192.0/18125.223.244.0/22222.19.176.0/24111.186.0.0/15121.48.94.0/24202.117.96.0/20180.208.93.0/24210.30.184.0/21210.43.208.0/20210.28.5.0/24202.192.224.0/20219.223.254.0/24210.44.112.0/21111.117.32.0/20222.205.160.0/19202.120.43.0/24219.227.14.0/24125.217.4.0/22210.47.224.0/2058.200.25.0/24118.230.64.0/19222.21.112.0/21121.48.38.0/2459.71.104.0/23219.227.58.0/23210.43.16.0/21202.204.80.0/20222.24.70.0/24125.216.160.0/24202.115.252.0/22121.48.31.0/24110.64.24.0/24121.192.24.0/2259.69.160.0/19180.84.32.0/20114.213.178.0/24115.24.16.0/21125.216.135.0/24211.80.216.0/22202.204.244.0/2258.200.117.0/24210.46.80.0/20183.170.24.0/21202.120.127.0/24125.218.110.0/23202.200.43.0/24125.219.136.0/22110.64.32.0/2159.67.0.0/19218.197.16.0/20202.120.215.0/24218.192.48.0/21180.85.0.0/17202.195.48.0/2058.200.119.0/24210.36.99.0/2458.192.152.0/21222.204.240.0/20222.204.42.0/24110.64.30.0/23211.64.143.0/24202.201.160.0/20222.200.204.0/22202.193.96.0/21121.249.224.0/20218.194.96.0/20222.197.110.0/2358.195.144.0/2058.200.91.0/2459.68.240.0/2058.200.68.0/24202.204.146.0/24219.217.79.0/24210.30.224.0/23210.37.39.0/2449.140.0.0/16211.82.80.0/20219.227.170.0/24125.219.96.0/22121.249.216.0/21222.192.0.0/20202.201.43.0/24202.205.144.0/22210.45.193.0/24115.27.0.0/16211.87.208.0/20219.227.96.0/24211.67.102.0/24202.121.192.0/2158.155.71.0/24125.216.24.0/2358.193.96.0/20210.45.65.0/24121.192.0.0/24219.229.0.0/16219.227.154.0/23222.202.128.0/23219.247.214.0/24222.207.68.0/23202.120.146.0/24219.228.192.0/24218.199.210.0/23121.250.144.0/20125.216.146.0/241.51.152.0/21202.197.144.0/20219.242.32.0/2058.155.130.0/23211.86.243.0/24222.206.80.0/21121.195.224.0/20223.128.144.0/20219.220.208.0/20222.202.160.0/23115.158.86.0/2358.200.22.0/24222.22.224.0/19218.195.153.0/24202.195.192.0/20121.193.96.0/22210.29.96.0/20202.114.240.0/20202.115.241.0/24202.114.212.0/22218.199.181.0/24202.116.192.0/19115.157.240.0/2058.194.8.0/2358.200.87.0/24210.43.162.0/24219.219.112.0/20202.193.160.0/20211.69.80.0/20222.17.0.0/21202.207.164.0/22210.41.232.0/24114.212.0.0/1559.70.96.0/20122.204.144.0/2059.72.192.0/19202.200.32.0/20202.193.80.0/20202.193.128.0/20219.219.240.0/2259.69.112.0/20211.80.232.0/21219.220.200.0/24211.65.210.0/24211.64.96.0/21219.227.16.0/24219.227.24.0/2358.206.96.0/1959.69.104.0/21211.84.112.0/20125.221.242.0/23113.55.0.0/17222.16.134.0/23222.195.128.0/20218.198.104.0/22219.223.78.0/23222.206.0.0/19202.112.55.0/24222.202.104.0/23219.227.172.0/23211.80.240.0/20210.33.152.0/22211.82.160.0/20219.230.16.0/20121.48.37.0/24116.56.162.0/24222.202.112.0/2258.194.160.0/19219.224.97.0/24180.84.0.0/20211.87.192.0/20222.28.80.0/20219.242.16.0/24222.202.98.0/24125.217.232.0/21210.47.56.0/21218.194.160.0/20211.67.48.0/20222.24.64.0/24219.242.28.0/24114.214.128.0/20222.23.96.0/19222.206.39.0/24219.223.88.0/23210.27.176.0/20222.27.96.0/20202.201.33.0/24222.29.192.0/18121.250.0.0/15211.69.72.0/21219.219.208.0/2158.198.32.0/22210.34.120.0/21210.44.144.0/2058.192.32.0/24210.30.112.0/2058.195.32.0/1958.199.32.0/20210.28.203.0/24210.35.240.0/24219.242.51.0/24122.206.120.0/21218.192.128.0/17202.121.0.0/16125.222.59.0/24222.192.180.0/22121.193.160.0/19219.223.71.0/24180.209.0.0/20116.13.8.0/22210.37.14.0/24210.36.20.0/24211.80.16.0/21114.214.88.0/21202.120.58.0/24202.200.28.0/24222.197.96.0/21116.13.88.0/22222.199.164.0/24202.203.224.0/20183.175.0.0/18222.200.230.0/23219.242.24.0/21116.57.236.0/24218.195.59.0/2458.155.132.0/23180.84.216.0/24202.207.240.0/2059.78.85.0/24210.27.168.0/21222.17.96.0/19122.206.94.0/23219.242.56.0/21114.214.32.0/19202.120.240.0/20121.249.0.0/20202.117.80.0/24219.246.18.0/24210.41.231.0/24211.64.150.0/23125.216.23.0/24210.41.216.0/23211.83.176.0/2059.65.128.0/20116.13.68.0/24183.172.0.0/14202.113.48.0/20202.121.241.0/24210.27.242.0/24222.22.80.0/20210.29.32.0/19211.82.8.0/24121.49.128.0/24116.13.32.0/19121.192.0.0/15222.26.128.0/20110.65.64.0/21121.195.186.0/24219.216.240.0/20122.205.16.0/20219.217.226.0/23121.248.72.0/21222.202.152.0/24222.201.128.0/20116.13.96.0/2058.154.96.0/20211.80.0.0/18180.208.59.0/24202.200.64.0/20202.116.81.0/24125.223.112.0/20