Autonomous System
AS24400 China Mobile Communications Group Co., Ltd
ISPActiveChinaAPNIC
AS24400 (CMNET-V4shanghai-AS-AP) is an ISP network operated by China Mobile Communications Group Co., Ltd in China, registered with APNIC. It has 535 IPv4 prefixes with 1,133,312 addresses and 602 IPv6 prefixes, which makes it the 407th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses1,133,312in 535 prefixes
IPv6 prefixes602≈ 3.5 × 10³⁰ addresses
Size rank#407of 82,200 active ASNs
Details
OrganizationChina Mobile Communications Group Co., Ltd
AS nameCMNET-V4shanghai-AS-AP
Websitechinamobile.com
Country China (CN)
Network typeISP
RegistryAPNIC
Abuse contactabuse@chinamobile.com
Registered—
Last updated2026-08-14
IPv4 prefixes
535 prefixes · 1,133,312 addresses| Network | Addresses | First – last address |
|---|---|---|
| 117.143.0.0/16 | 65,536 | 117.143.0.0 – 117.143.255.255 |
| 117.144.0.0/16 | 65,536 | 117.144.0.0 – 117.144.255.255 |
| 117.184.0.0/16 | 65,536 | 117.184.0.0 – 117.184.255.255 |
| 117.186.0.0/16 | 65,536 | 117.186.0.0 – 117.186.255.255 |
| 120.204.0.0/16 | 65,536 | 120.204.0.0 – 120.204.255.255 |
| 183.192.0.0/16 | 65,536 | 183.192.0.0 – 183.192.255.255 |
| 183.193.0.0/16 | 65,536 | 183.193.0.0 – 183.193.255.255 |
| 183.194.0.0/16 | 65,536 | 183.194.0.0 – 183.194.255.255 |
| 183.195.0.0/16 | 65,536 | 183.195.0.0 – 183.195.255.255 |
| 117.131.0.0/17 | 32,768 | 117.131.0.0 – 117.131.127.255 |
| 117.135.0.0/17 | 32,768 | 117.135.0.0 – 117.135.127.255 |
| 117.185.0.0/17 | 32,768 | 117.185.0.0 – 117.185.127.255 |
| 117.185.128.0/17 | 32,768 | 117.185.128.0 – 117.185.255.255 |
| 120.253.128.0/17 | 32,768 | 120.253.128.0 – 120.253.255.255 |
| 117.135.128.0/18 | 16,384 | 117.135.128.0 – 117.135.191.255 |
| 120.253.192.0/18 | 16,384 | 120.253.192.0 – 120.253.255.255 |
| 221.181.64.0/18 | 16,384 | 221.181.64.0 – 221.181.127.255 |
| 211.136.96.0/19 | 8,192 | 211.136.96.0 – 211.136.127.255 |
| 211.136.128.0/19 | 8,192 | 211.136.128.0 – 211.136.159.255 |
| 211.136.160.0/19 | 8,192 | 211.136.160.0 – 211.136.191.255 |
| 218.202.224.0/19 | 8,192 | 218.202.224.0 – 218.202.255.255 |
| 221.130.176.0/20 | 4,096 | 221.130.176.0 – 221.130.191.255 |
| 221.130.192.0/20 | 4,096 | 221.130.192.0 – 221.130.207.255 |
| 112.54.160.0/21 | 2,048 | 112.54.160.0 – 112.54.167.255 |
| 117.184.32.0/21 | 2,048 | 117.184.32.0 – 117.184.39.255 |
117.143.0.0/16 117.144.0.0/16 117.184.0.0/16 117.186.0.0/16 120.204.0.0/16 183.192.0.0/16 183.193.0.0/16 183.194.0.0/16 183.195.0.0/16 117.131.0.0/17 117.135.0.0/17 117.185.0.0/17 117.185.128.0/17 120.253.128.0/17 117.135.128.0/18 120.253.192.0/18 221.181.64.0/18 211.136.96.0/19 211.136.128.0/19 211.136.160.0/19 218.202.224.0/19 221.130.176.0/20 221.130.192.0/20 112.54.160.0/21 117.184.32.0/21
The 25 largest of 535. The API and the database have all of them.
IPv6 prefixes
602 prefixes- 2409:801e::/31
- 2409:811e::/31
- 2409:821e::/31
- 2409:831e::/31
- 2409:841e::/31
- 2409:851e::/31
- 2409:861e::/31
- 2409:871e::/31
- 2409:881e::/31
- 2409:891e::/31
- 2409:8a1e::/31
- 2409:8b1e::/31
- 2409:8c1e::/31
- 2409:8d1e::/31
- 2409:8e1e::/31
- 2409:8f1e::/31
- 240a:429e::/31
- 240a:42a2::/31
- 2409:891e::/32
- 2409:891f::/32
- 2409:8a1e::/32
- 2409:8a1f::/32
- 2409:8d1e::/32
- 2409:8d1f::/32
- 2409:8e1e::/32
2409:801e::/31 2409:811e::/31 2409:821e::/31 2409:831e::/31 2409:841e::/31 2409:851e::/31 2409:861e::/31 2409:871e::/31 2409:881e::/31 2409:891e::/31 2409:8a1e::/31 2409:8b1e::/31 2409:8c1e::/31 2409:8d1e::/31 2409:8e1e::/31 2409:8f1e::/31 240a:429e::/31 240a:42a2::/31 2409:891e::/32 2409:891f::/32 2409:8a1e::/32 2409:8a1f::/32 2409:8d1e::/32 2409:8d1f::/32 2409:8e1e::/32
The 25 largest of 602. The API and the database have all of them.
Query AS24400 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=AS24400&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS24400, with or without a key:
curl "https://api.ipapi.is/?q=117.143.0.1"
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