AS7497 is the autonomous system of CNIC-CAS. It holds 867,840 IPv4 addresses in 24 prefixes plus 3 IPv6 ranges, mainly in 
China.
By IPv4 addresses the network ranks #381 worldwide and #25 of 587 networks in China. That is 0.25% of the country’s IPv4 space.
The largest block is 223.192.0.0 to 223.193.255.255 with 131,072 addresses, geolocated to Haidian (Haidian Qu).
- IPv4 addresses
- 867,840
- IPv4 prefixes
- 24
- World rank
- #381
- Country share
- 0.25%
- IPv6 ranges
- 3
Addresses by country
- China 100%
Largest blocks
- 223.192.0.0 Haidian (Haidian Qu)131,072
- 124.16.0.0 Haidian (Haidian Qu)131,072
- 119.78.0.0 Haidian (Haidian Qu)131,072
- 101.252.0.0 Beijing131,072
- 49.210.0.0 Haidian (Haidian Qu)131,072
- 159.226.0.0 Haidian (Haidian Qu)65,536
- 210.72.0.0 Haidian (Haidian Qu)40,960
- 60.245.128.0 Haidian (Haidian Qu)32,768
Networks of similar size
879,360
872,192
871,936
870,144
866,560
861,440
857,344
854,016IPv4 prefixes
- 49.210.0.0/15
- 60.245.128.0/17
- 101.252.0.0/15
- 103.2.208.0/22
- 113.130.96.0/20
- 113.130.112.0/21
- 119.78.0.0/15
- 124.16.0.0/15
- 159.226.0.0/16
- 202.38.128.0/23
- 202.122.32.0/21
- 202.127.0.0/21
- 202.127.16.0/20
- 202.127.144.0/20
- 202.127.200.0/21
- 203.83.56.0/21
- 210.72.0.0/17
- 210.72.128.0/19
- 210.73.0.0/18
- 210.75.224.0/19
- 210.76.192.0/19
- 210.77.0.0/19
- 210.77.64.0/19
- 223.192.0.0/15
Questions and answers
Who owns AS7497?
Autonomous system AS7497 is operated by CNIC-CAS.
How many IP addresses does AS7497 have?
The network holds 867,840 IPv4 addresses in 24 prefixes, plus 3 IPv6 ranges.
Which country is AS7497 in?
The main country is China.
How big is AS7497?
By IPv4 addresses it ranks #381 worldwide.
What is the largest address block of AS7497?
223.192.0.0 to 223.193.255.255, 131,072 addresses.