Autonomous System
AS56040 China Mobile Communications Corporation
ISPActiveChinaAPNIC
AS56040 (CMNET-GuangDong-AP) is an ISP network operated by China Mobile Communications Corporation in China, registered with APNIC. It has 539 IPv4 prefixes with 2,554,368 addresses and 160 IPv6 prefixes, which makes it the 214th largest of 82,558 active autonomous systems by IPv4 space.
IPv4 addresses2,554,368in 539 prefixes
IPv6 prefixes160≈ 5.5 × 10³⁰ addresses
Size rank#214of 82,558 active ASNs
Details
OrganizationChina Mobile Communications Corporation
AS nameCMNET-GuangDong-AP
Websitechinamobile.com
Country China (CN)
Network typeISP
RegistryAPNIC
Abuse contactabuse@chinamobile.com
Registered—
Last updated2026-08-14
IPv4 prefixes
539 prefixes · 2,554,368 addresses| Network | Addresses | First – last address |
|---|---|---|
| 120.230.0.0/15 | 131,072 | 120.230.0.0 – 120.231.255.255 |
| 120.196.0.0/16 | 65,536 | 120.196.0.0 – 120.196.255.255 |
| 120.197.0.0/16 | 65,536 | 120.197.0.0 – 120.197.255.255 |
| 120.198.0.0/16 | 65,536 | 120.198.0.0 – 120.198.255.255 |
| 120.229.0.0/16 | 65,536 | 120.229.0.0 – 120.229.255.255 |
| 120.230.0.0/16 | 65,536 | 120.230.0.0 – 120.230.255.255 |
| 120.231.0.0/16 | 65,536 | 120.231.0.0 – 120.231.255.255 |
| 120.232.0.0/16 | 65,536 | 120.232.0.0 – 120.232.255.255 |
| 120.233.0.0/16 | 65,536 | 120.233.0.0 – 120.233.255.255 |
| 120.234.0.0/16 | 65,536 | 120.234.0.0 – 120.234.255.255 |
| 120.235.0.0/16 | 65,536 | 120.235.0.0 – 120.235.255.255 |
| 120.236.0.0/16 | 65,536 | 120.236.0.0 – 120.236.255.255 |
| 120.237.0.0/16 | 65,536 | 120.237.0.0 – 120.237.255.255 |
| 120.238.0.0/16 | 65,536 | 120.238.0.0 – 120.238.255.255 |
| 120.239.0.0/16 | 65,536 | 120.239.0.0 – 120.239.255.255 |
| 120.240.0.0/16 | 65,536 | 120.240.0.0 – 120.240.255.255 |
| 120.241.0.0/16 | 65,536 | 120.241.0.0 – 120.241.255.255 |
| 123.88.0.0/16 | 65,536 | 123.88.0.0 – 123.88.255.255 |
| 123.89.0.0/16 | 65,536 | 123.89.0.0 – 123.89.255.255 |
| 123.90.0.0/16 | 65,536 | 123.90.0.0 – 123.90.255.255 |
| 183.232.0.0/16 | 65,536 | 183.232.0.0 – 183.232.255.255 |
| 183.233.0.0/16 | 65,536 | 183.233.0.0 – 183.233.255.255 |
| 183.234.0.0/16 | 65,536 | 183.234.0.0 – 183.234.255.255 |
| 183.235.0.0/16 | 65,536 | 183.235.0.0 – 183.235.255.255 |
| 183.236.0.0/16 | 65,536 | 183.236.0.0 – 183.236.255.255 |
120.230.0.0/15 120.196.0.0/16 120.197.0.0/16 120.198.0.0/16 120.229.0.0/16 120.230.0.0/16 120.231.0.0/16 120.232.0.0/16 120.233.0.0/16 120.234.0.0/16 120.235.0.0/16 120.236.0.0/16 120.237.0.0/16 120.238.0.0/16 120.239.0.0/16 120.240.0.0/16 120.241.0.0/16 123.88.0.0/16 123.89.0.0/16 123.90.0.0/16 183.232.0.0/16 183.233.0.0/16 183.234.0.0/16 183.235.0.0/16 183.236.0.0/16
The 25 largest of 539. The API and the database have all of them.
IPv6 prefixes
160 prefixes- 2409:8d54::/30
- 2409:8d58::/30
- 2409:8e54::/30
- 2409:8e58::/30
- 240a:42c6::/31
- 240a:42cc::/31
- 2409:8054::/32
- 2409:8055::/32
- 2409:8056::/32
- 2409:8057::/32
- 2409:8058::/32
- 2409:8059::/32
- 2409:805a::/32
- 2409:805b::/32
- 2409:8754::/32
- 2409:8755::/32
- 2409:8756::/32
- 2409:8757::/32
- 2409:8758::/32
- 2409:8759::/32
- 2409:875a::/32
- 2409:875b::/32
- 2409:8954::/32
- 2409:8955::/32
- 2409:8956::/32
2409:8d54::/30 2409:8d58::/30 2409:8e54::/30 2409:8e58::/30 240a:42c6::/31 240a:42cc::/31 2409:8054::/32 2409:8055::/32 2409:8056::/32 2409:8057::/32 2409:8058::/32 2409:8059::/32 2409:805a::/32 2409:805b::/32 2409:8754::/32 2409:8755::/32 2409:8756::/32 2409:8757::/32 2409:8758::/32 2409:8759::/32 2409:875a::/32 2409:875b::/32 2409:8954::/32 2409:8955::/32 2409:8956::/32
The 25 largest of 160. The API and the database have all of them.
Query AS56040 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=AS56040&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS56040, with or without a key:
curl "https://api.ipapi.is/?q=120.230.0.1"
Other networks of China Mobile Communications Corporation
6 of 14AS56046 China Mobile Communications Corporation7,886,336 IPv4 addressesAS56041 China Mobile Communications Corporation5,411,072 IPv4 addressesAS56045 China Mobile Communications Corporation3,344,896 IPv4 addressesAS56044 China Mobile Communications Corporation1,957,376 IPv4 addressesAS56048 China Mobile Communications Corporation1,658,880 IPv4 addressesAS56047 China Mobile Communications Corporation1,643,520 IPv4 addresses
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