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Autonomous systems

AS4538 ERX-CERNET-BKB China Education and Research Network Center

Education🇨🇳 ChinaAS4538
IPv4 prefixes
879
IPv4 addresses
16,445,696
IPv6 prefixes
3
Registered
—

At a glance

Network type
Education
Registry name
—

WHOIS → · ASN lookup →

IPv4 prefixes

Page 1
CIDRFirst addressLast addressAddresses
1.51.0.0/221.51.0.01.51.3.2551,024
1.51.4.0/221.51.4.01.51.255.25564,512
1.184.0.0/151.184.0.01.185.255.255131,072
42.244.0.0/1642.244.0.042.245.191.255114,688
42.246.0.0/1642.246.0.042.247.13.25569,120
42.247.14.0/2342.247.14.042.247.18.2551,280
42.247.19.0/2442.247.19.042.247.20.255512
42.247.21.0/2442.247.21.042.247.30.2552,560
42.247.31.0/2442.247.31.042.247.53.2555,888
42.247.54.0/2342.247.54.042.247.58.2551,280
42.247.59.0/2442.247.59.042.247.107.25512,544
42.247.108.0/2242.247.108.042.247.113.2551,536
42.247.114.0/2342.247.114.042.247.255.25536,352
49.52.0.0/1949.52.0.049.52.48.25512,544
49.52.49.0/2449.52.49.049.55.255.255249,600
49.120.0.0/1849.120.0.049.120.95.25524,576
49.120.96.0/1949.120.96.049.122.67.255123,904
49.122.68.0/2249.122.68.049.122.191.25531,744
49.122.192.0/1849.122.192.049.123.127.25549,152
49.123.128.0/1749.123.128.049.123.255.25532,768
49.141.0.0/1949.141.0.049.141.47.25512,288
49.141.48.0/2049.141.48.049.141.151.25526,624
49.141.152.0/2149.141.152.049.141.207.25514,336
49.141.208.0/2349.141.208.049.141.210.255768
49.141.211.0/2449.141.211.049.141.255.25511,520
49.208.0.0/1549.208.0.049.209.255.255131,072
58.154.0.0/2058.154.0.058.154.15.2554,096
58.154.32.0/2358.154.32.058.154.34.255768
58.154.35.0/2458.154.35.058.154.37.255768
58.154.38.0/2358.154.38.058.154.63.2556,656
58.154.64.0/1958.154.64.058.154.111.25512,288
58.154.112.0/2058.154.112.058.155.53.25550,688
58.155.54.0/2358.155.54.058.155.63.2552,560
58.155.64.0/2158.155.64.058.155.71.2552,048
58.155.72.0/2158.155.72.058.155.111.25510,240
58.155.112.0/2058.155.112.058.155.147.2559,216
58.155.148.0/2258.155.148.058.155.255.25527,648
58.192.0.0/1558.192.0.058.194.9.255133,632
58.194.10.0/2358.194.10.058.194.127.25530,208
58.194.128.0/1858.194.128.058.194.191.25516,384
58.194.192.0/1858.194.192.058.195.97.25541,472
58.195.98.0/2358.195.98.058.196.178.25586,272
58.196.179.0/2458.196.179.058.200.2.255217,088
58.200.3.0/2458.200.3.058.200.4.255512
58.200.5.0/2458.200.5.058.200.6.255512
58.200.7.0/2458.200.7.058.200.10.2551,024
58.200.11.0/2458.200.11.058.200.31.2555,376
58.200.32.0/1958.200.32.058.200.68.2559,472
58.200.69.0/2458.200.69.058.200.75.2551,792
58.200.76.0/2358.200.76.058.200.77.255512
58.200.78.0/2358.200.78.058.200.91.2553,584
58.200.92.0/2358.200.92.058.200.93.255512
58.200.94.0/2358.200.94.058.200.95.255512
58.200.96.0/2358.200.96.058.200.97.255512
58.200.98.0/2358.200.98.058.200.103.2551,536
58.200.104.0/2158.200.104.058.200.114.2552,816
58.200.115.0/2458.200.115.058.200.117.255768
58.200.118.0/2358.200.118.058.200.119.255512
58.200.120.0/2258.200.120.058.200.125.2551,536
58.200.126.0/2358.200.126.058.200.141.2554,096
58.200.142.0/2358.200.142.058.200.219.25519,968
58.200.220.0/2258.200.220.058.200.253.2558,704
58.200.254.0/2358.200.254.058.205.197.255313,344
58.205.198.0/2358.205.198.058.205.213.2554,096
58.205.214.0/2358.205.214.058.206.31.25518,944
58.206.32.0/1958.206.32.058.206.127.25524,576
58.206.128.0/2258.206.128.058.206.132.2551,280
58.206.133.0/2458.206.133.058.206.191.25515,104
58.207.0.0/1658.207.0.058.207.255.25565,536
59.64.0.0/2059.64.0.059.64.16.2554,352
59.64.17.0/2459.64.17.059.64.111.25524,320
59.64.112.0/2159.64.112.059.64.126.2553,840
59.64.127.0/2459.64.127.059.65.191.25582,176
59.65.192.0/2159.65.192.059.65.199.2552,048
59.65.200.0/2159.65.200.059.65.239.25510,240
59.65.240.0/2059.65.240.059.67.7.25571,680
59.67.8.0/2159.67.8.059.67.133.25532,256
59.67.134.0/2359.67.134.059.67.159.2556,656
59.67.160.0/2059.67.160.059.67.183.2556,144
59.67.184.0/2159.67.184.059.67.195.2553,072
59.67.196.0/2259.67.196.059.67.221.2556,656
59.67.222.0/2359.67.222.059.68.113.25537,888
59.68.114.0/2359.68.114.059.68.233.25530,720
59.68.234.0/2359.68.234.059.69.223.25562,976
59.69.224.0/1959.69.224.059.70.36.25517,664
59.70.37.0/2459.70.37.059.70.48.2553,072
59.70.49.0/2459.70.49.059.70.135.25522,272
59.70.136.0/2159.70.136.059.71.59.25546,080
59.71.60.0/2259.71.60.059.71.97.2559,728
59.71.98.0/2359.71.98.059.72.192.25589,856
59.72.193.0/2459.72.193.059.72.231.2559,984
59.72.232.0/2159.72.232.059.73.23.25512,288
59.73.24.0/2159.73.24.059.73.127.25526,624
59.73.168.0/2159.73.168.059.73.223.25514,336
59.73.224.0/1959.73.224.059.74.37.25517,920
59.74.38.0/2359.74.38.059.74.43.2551,536
59.74.44.0/2359.74.44.059.74.46.255768
59.74.47.0/2459.74.47.059.74.50.2551,024
59.74.51.0/2459.74.51.059.74.61.2552,816
59.74.62.0/2359.74.62.059.74.143.25520,992
More prefixes

IPv6 prefixes

3
2001:da8:257::/482001:daa:1::/452001:daa:9::/48

Explore

ChinaIP addresses in China1.51.0.0/22IP range 1.51.0.0/22IP addresses by countryHosting providersISPs and carriers

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