$ query “AS38732” --type=asn → 1 result(s)

AS38732 · CMCTELECOM-VN

CMC Telecom Infrastructure Company

AS38732 is operated by CMC Telecom Infrastructure Company and serves as a mid-size transit provider, based in Vietnam. The system announces a respectable 12 800 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Vietnam.

Basic Information

Country
🇻🇳 Vietnam
Category
Internet Service Provider
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Last Changed
March 04, 2026
Last Seen
May 01, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
38 / 12
IPv6 Prefixes (raw / aggregated)
12 / 10
IPv4 Addresses
12 800
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/39
Geolocated Countries
🇻🇳 Vietnam (17 408 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 12 800 total (0.02%)

Connectivity Summary

Upstream Providers
1 upstream providing transit
Downstream Customers
17 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
20 unique BGP neighbors
Reach
18 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (38 total)

  • 203.205.0.0/20 (4 096 addresses (/20 prefix))
  • 115.146.120.0/21 (2 048 addresses (/21 prefix))
  • 124.158.0.0/21 (2 048 addresses (/21 prefix))
  • 103.21.148.0/22 (1 024 addresses (/22 prefix))
  • 103.252.0.0/22 (1 024 addresses (/22 prefix))
  • 42.96.34.0/23 (512 addresses (/23 prefix))
  • 103.63.108.0/23 (512 addresses (/23 prefix))
  • 163.227.126.0/23 (512 addresses (/23 prefix))
  • 42.96.32.0/24 (256 addresses (/24 prefix))
  • 45.122.253.0/24 (256 addresses (/24 prefix))
  • 101.99.3.0/24 (256 addresses (/24 prefix))
  • 183.91.14.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (12 total)

  • 2402:5300:7200::/39
  • 2402:5300:7600::/39
  • 2402:5300:7400::/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