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
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| Network | Addresses | First – last address |
|---|---|---|
| 103.21.148.0/22 | 1,024 | 103.21.148.0 – 103.21.151.255 |
| 103.252.0.0/22 | 1,024 | 103.252.0.0 – 103.252.3.255 |
| 115.146.124.0/23 | 512 | 115.146.124.0 – 115.146.125.255 |
| 115.146.126.0/23 | 512 | 115.146.126.0 – 115.146.127.255 |
| 163.227.126.0/23 | 512 | 163.227.126.0 – 163.227.127.255 |
| 42.96.32.0/24 | 256 | 42.96.32.0 – 42.96.32.255 |
| 42.96.34.0/24 | 256 | 42.96.34.0 – 42.96.34.255 |
| 42.96.35.0/24 | 256 | 42.96.35.0 – 42.96.35.255 |
| 42.96.63.0/24 | 256 | 42.96.63.0 – 42.96.63.255 |
| 45.122.253.0/24 | 256 | 45.122.253.0 – 45.122.253.255 |
| 101.99.3.0/24 | 256 | 101.99.3.0 – 101.99.3.255 |
| 103.21.148.0/24 | 256 | 103.21.148.0 – 103.21.148.255 |
| 103.21.149.0/24 | 256 | 103.21.149.0 – 103.21.149.255 |
| 103.21.150.0/24 | 256 | 103.21.150.0 – 103.21.150.255 |
| 103.21.151.0/24 | 256 | 103.21.151.0 – 103.21.151.255 |
| 103.63.108.0/24 | 256 | 103.63.108.0 – 103.63.108.255 |
| 103.63.109.0/24 | 256 | 103.63.109.0 – 103.63.109.255 |
| 103.252.0.0/24 | 256 | 103.252.0.0 – 103.252.0.255 |
| 115.146.120.0/24 | 256 | 115.146.120.0 – 115.146.120.255 |
| 115.146.121.0/24 | 256 | 115.146.121.0 – 115.146.121.255 |
| 115.146.122.0/24 | 256 | 115.146.122.0 – 115.146.122.255 |
| 115.146.123.0/24 | 256 | 115.146.123.0 – 115.146.123.255 |
| 115.146.124.0/24 | 256 | 115.146.124.0 – 115.146.124.255 |
| 115.146.125.0/24 | 256 | 115.146.125.0 – 115.146.125.255 |
| 115.146.126.0/24 | 256 | 115.146.126.0 – 115.146.126.255 |
103.21.148.0/22 103.252.0.0/22 115.146.124.0/23 115.146.126.0/23 163.227.126.0/23 42.96.32.0/24 42.96.34.0/24 42.96.35.0/24 42.96.63.0/24 45.122.253.0/24 101.99.3.0/24 103.21.148.0/24 103.21.149.0/24 103.21.150.0/24 103.21.151.0/24 103.63.108.0/24 103.63.109.0/24 103.252.0.0/24 115.146.120.0/24 115.146.121.0/24 115.146.122.0/24 115.146.123.0/24 115.146.124.0/24 115.146.125.0/24 115.146.126.0/24
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
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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