Autonomous System

AS38732 CMC Telecom Infrastructure Company

ISPActiveVietnamAPNIC

AS38732 (CMCTELECOM-VN) is an ISP network operated by CMC Telecom Infrastructure Company in Vietnam, registered with APNIC. It has 36 IPv4 prefixes with 11,520 addresses and 12 IPv6 prefixes, which makes it the 9,458th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses11,520in 36 prefixes
IPv6 prefixes12≈ 1.9 × 10²⁷ addresses
Size rank#9,458of 82,200 active ASNs
Abuser scoreLow0.66% of its addresses flagged · method

Details

OrganizationCMC Telecom Infrastructure Company
AS nameCMCTELECOM-VN
Websitecmctelecom.vn
Country Vietnam (VN)
Network typeISP
RegistryAPNIC
Abuse contacthm-changed@vnnic.vn
Registered—
Last updated2025-05-16

IPv4 prefixes

36 prefixes · 11,520 addresses
NetworkAddressesFirst – last address
103.21.148.0/221,024103.21.148.0 – 103.21.151.255
103.252.0.0/221,024103.252.0.0 – 103.252.3.255
115.146.124.0/23512115.146.124.0 – 115.146.125.255
115.146.126.0/23512115.146.126.0 – 115.146.127.255
163.227.126.0/23512163.227.126.0 – 163.227.127.255
42.96.32.0/2425642.96.32.0 – 42.96.32.255
42.96.34.0/2425642.96.34.0 – 42.96.34.255
42.96.35.0/2425642.96.35.0 – 42.96.35.255
42.96.63.0/2425642.96.63.0 – 42.96.63.255
45.122.253.0/2425645.122.253.0 – 45.122.253.255
101.99.3.0/24256101.99.3.0 – 101.99.3.255
103.21.148.0/24256103.21.148.0 – 103.21.148.255
103.21.149.0/24256103.21.149.0 – 103.21.149.255
103.21.150.0/24256103.21.150.0 – 103.21.150.255
103.21.151.0/24256103.21.151.0 – 103.21.151.255
103.63.108.0/24256103.63.108.0 – 103.63.108.255
103.63.109.0/24256103.63.109.0 – 103.63.109.255
103.252.0.0/24256103.252.0.0 – 103.252.0.255
115.146.120.0/24256115.146.120.0 – 115.146.120.255
115.146.121.0/24256115.146.121.0 – 115.146.121.255
115.146.122.0/24256115.146.122.0 – 115.146.122.255
115.146.123.0/24256115.146.123.0 – 115.146.123.255
115.146.124.0/24256115.146.124.0 – 115.146.124.255
115.146.125.0/24256115.146.125.0 – 115.146.125.255
115.146.126.0/24256115.146.126.0 – 115.146.126.255
The 25 largest of 36. The API and the database have all of them.

IPv6 prefixes

12 prefixes
  • 2402:5300:7200::/40
  • 2402:5300:7300::/40
  • 2402:5300:7400::/40
  • 2402:5300:7600::/40
  • 2402:5300:7700::/40
  • 2402:5300:7b00::/40
  • 2001:df4:2ec0::/48
  • 2001:df5:67c0::/48
  • 2402:5300:407::/48
  • 2402:5300:7001::/48
  • 2402:5300:7002::/48
  • 2407:e3c0::/48

Query AS38732 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=AS38732&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS38732, with or without a key:

curl "https://api.ipapi.is/?q=103.21.148.1"

Other networks of CMC Telecom Infrastructure Company

AS45903 CMC Telecom Infrastructure Company185,856 IPv4 addressesAS38733 CMC Telecom Infrastructure Company11,264 IPv4 addresses

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