Autonomous System
AS24151 China Internet Network Infomation Center
GovernmentActiveChinaAPNIC
AS24151 (CNNIC-CRITICAL-AP) is a government network operated by China Internet Network Infomation Center in China, registered with APNIC. It has 40 IPv4 prefixes with 14,080 addresses and 33 IPv6 prefixes, which makes it the 8,505th largest of 82,558 active autonomous systems by IPv4 space.
IPv4 addresses14,080in 40 prefixes
IPv6 prefixes33≈ 8.0 × 10²⁸ addresses
Size rank#8,505of 82,558 active ASNs
Details
OrganizationChina Internet Network Infomation Center
AS nameCNNIC-CRITICAL-AP
Websitecnnic.net.cn
Country China (CN)
Network typeGovernment
RegistryAPNIC
Abuse contactipas@cnnic.cn
Registered—
Last updated2021-06-16
IPv4 prefixes
40 prefixes · 14,080 addresses| Network | Addresses | First – last address |
|---|---|---|
| 218.241.96.0/20 | 4,096 | 218.241.96.0 – 218.241.111.255 |
| 42.83.128.0/24 | 256 | 42.83.128.0 – 42.83.128.255 |
| 42.83.129.0/24 | 256 | 42.83.129.0 – 42.83.129.255 |
| 42.83.130.0/24 | 256 | 42.83.130.0 – 42.83.130.255 |
| 42.83.131.0/24 | 256 | 42.83.131.0 – 42.83.131.255 |
| 42.83.132.0/24 | 256 | 42.83.132.0 – 42.83.132.255 |
| 42.83.134.0/24 | 256 | 42.83.134.0 – 42.83.134.255 |
| 42.83.144.0/24 | 256 | 42.83.144.0 – 42.83.144.255 |
| 42.83.145.0/24 | 256 | 42.83.145.0 – 42.83.145.255 |
| 42.83.146.0/24 | 256 | 42.83.146.0 – 42.83.146.255 |
| 42.83.147.0/24 | 256 | 42.83.147.0 – 42.83.147.255 |
| 125.208.37.0/24 | 256 | 125.208.37.0 – 125.208.37.255 |
| 125.208.38.0/24 | 256 | 125.208.38.0 – 125.208.38.255 |
| 125.208.39.0/24 | 256 | 125.208.39.0 – 125.208.39.255 |
| 125.208.40.0/24 | 256 | 125.208.40.0 – 125.208.40.255 |
| 125.208.41.0/24 | 256 | 125.208.41.0 – 125.208.41.255 |
| 125.208.42.0/24 | 256 | 125.208.42.0 – 125.208.42.255 |
| 125.208.43.0/24 | 256 | 125.208.43.0 – 125.208.43.255 |
| 125.208.49.0/24 | 256 | 125.208.49.0 – 125.208.49.255 |
| 203.119.25.0/24 | 256 | 203.119.25.0 – 203.119.25.255 |
| 203.119.33.0/24 | 256 | 203.119.33.0 – 203.119.33.255 |
| 218.241.96.0/24 | 256 | 218.241.96.0 – 218.241.96.255 |
| 218.241.97.0/24 | 256 | 218.241.97.0 – 218.241.97.255 |
| 218.241.103.0/24 | 256 | 218.241.103.0 – 218.241.103.255 |
| 218.241.104.0/24 | 256 | 218.241.104.0 – 218.241.104.255 |
218.241.96.0/20 42.83.128.0/24 42.83.129.0/24 42.83.130.0/24 42.83.131.0/24 42.83.132.0/24 42.83.134.0/24 42.83.144.0/24 42.83.145.0/24 42.83.146.0/24 42.83.147.0/24 125.208.37.0/24 125.208.38.0/24 125.208.39.0/24 125.208.40.0/24 125.208.41.0/24 125.208.42.0/24 125.208.43.0/24 125.208.49.0/24 203.119.25.0/24 203.119.33.0/24 218.241.96.0/24 218.241.97.0/24 218.241.103.0/24 218.241.104.0/24
The 25 largest of 40. The API and the database have all of them.
IPv6 prefixes
33 prefixes- 2001:dc7::/32
- 2001:dc7:5d00::/40
- 2001:dc7::/48
- 2001:dc7:5d0c::/48
- 2001:dc7:5d55::/48
- 2001:dc7:5d77::/48
- 2001:dc7:5dcc::/48
- 2001:dc7:5de1::/48
- 2001:dc7:5df7::/48
- 2001:dc7:cd00::/48
- 2001:dc7:cd01::/48
- 2001:dc7:cd02::/48
- 2001:dc7:cd03::/48
- 2001:dc7:cd1a::/48
- 2001:dc7:dd01::/48
- 2001:dc7:dd04::/48
- 2001:dc7:ddff::/48
- 2001:dc7:feff::/48
- 2001:dc7:ffc0::/48
- 2001:dc7:ffc1::/48
- 2001:dc7:ffc2::/48
- 2001:dc7:ffc3::/48
- 2001:dc7:ffc4::/48
- 2001:dc7:ffc5::/48
- 2001:dc7:ffc6::/48
2001:dc7::/32 2001:dc7:5d00::/40 2001:dc7::/48 2001:dc7:5d0c::/48 2001:dc7:5d55::/48 2001:dc7:5d77::/48 2001:dc7:5dcc::/48 2001:dc7:5de1::/48 2001:dc7:5df7::/48 2001:dc7:cd00::/48 2001:dc7:cd01::/48 2001:dc7:cd02::/48 2001:dc7:cd03::/48 2001:dc7:cd1a::/48 2001:dc7:dd01::/48 2001:dc7:dd04::/48 2001:dc7:ddff::/48 2001:dc7:feff::/48 2001:dc7:ffc0::/48 2001:dc7:ffc1::/48 2001:dc7:ffc2::/48 2001:dc7:ffc3::/48 2001:dc7:ffc4::/48 2001:dc7:ffc5::/48 2001:dc7:ffc6::/48
The 25 largest of 33. The API and the database have all of them.
Query AS24151 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS24151&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS24151, with or without a key:
curl "https://api.ipapi.is/?q=218.241.96.1"
Largest networks in China
AS4134 CHINANET BACKBONE111,741,952 IPv4 addressesAS4837 CHINA UNICOM China169 Backbone59,267,072 IPv4 addressesAS9808 China Mobile Communications Group Co., Ltd56,414,464 IPv4 addressesAS4538 China Education and Research Network Center42,398,720 IPv4 addressesAS37963 Hangzhou Alibaba Advertising Co.,Ltd.20,821,504 IPv4 addressesAS4812 China Telecom (Group)13,646,592 IPv4 addresses