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 537 IPv4 prefixes with 2,553,856 addresses and 158 IPv6 prefixes, which makes it the 216th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses2,553,856in 537 prefixes
IPv6 prefixes158≈ 5.5 × 10³⁰ addresses
Size rank#216of 82,200 active ASNs
Abuser scoreVery Low0.03% of its addresses flagged · method

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

537 prefixes · 2,553,856 addresses
NetworkAddressesFirst – last address
120.230.0.0/15131,072120.230.0.0 – 120.231.255.255
120.196.0.0/1665,536120.196.0.0 – 120.196.255.255
120.197.0.0/1665,536120.197.0.0 – 120.197.255.255
120.198.0.0/1665,536120.198.0.0 – 120.198.255.255
120.229.0.0/1665,536120.229.0.0 – 120.229.255.255
120.230.0.0/1665,536120.230.0.0 – 120.230.255.255
120.231.0.0/1665,536120.231.0.0 – 120.231.255.255
120.232.0.0/1665,536120.232.0.0 – 120.232.255.255
120.233.0.0/1665,536120.233.0.0 – 120.233.255.255
120.234.0.0/1665,536120.234.0.0 – 120.234.255.255
120.235.0.0/1665,536120.235.0.0 – 120.235.255.255
120.236.0.0/1665,536120.236.0.0 – 120.236.255.255
120.237.0.0/1665,536120.237.0.0 – 120.237.255.255
120.238.0.0/1665,536120.238.0.0 – 120.238.255.255
120.239.0.0/1665,536120.239.0.0 – 120.239.255.255
120.240.0.0/1665,536120.240.0.0 – 120.240.255.255
120.241.0.0/1665,536120.241.0.0 – 120.241.255.255
123.88.0.0/1665,536123.88.0.0 – 123.88.255.255
123.89.0.0/1665,536123.89.0.0 – 123.89.255.255
123.90.0.0/1665,536123.90.0.0 – 123.90.255.255
183.232.0.0/1665,536183.232.0.0 – 183.232.255.255
183.233.0.0/1665,536183.233.0.0 – 183.233.255.255
183.234.0.0/1665,536183.234.0.0 – 183.234.255.255
183.235.0.0/1665,536183.235.0.0 – 183.235.255.255
183.236.0.0/1665,536183.236.0.0 – 183.236.255.255
The 25 largest of 537. The API and the database have all of them.

IPv6 prefixes

158 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
The 25 largest of 158. 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 14
AS56046 China Mobile Communications Corporation7,878,400 IPv4 addressesAS56041 China Mobile Communications Corporation5,408,000 IPv4 addressesAS56045 China Mobile Communications Corporation3,344,640 IPv4 addressesAS56044 China Mobile Communications Corporation1,956,096 IPv4 addressesAS56047 China Mobile Communications Corporation1,644,032 IPv4 addressesAS56048 China Mobile Communications Corporation1,608,704 IPv4 addresses

Largest networks in China

AS4134 CHINANET BACKBONE111,758,336 IPv4 addressesAS4837 CHINA UNICOM China169 Backbone59,316,736 IPv4 addressesAS9808 China Mobile Communications Group Co., Ltd56,417,536 IPv4 addressesAS4538 China Education and Research Network Center42,262,016 IPv4 addressesAS37963 Hangzhou Alibaba Advertising Co.,Ltd.20,428,288 IPv4 addressesAS4808 China Unicom Beijing Province Network13,949,952 IPv4 addresses