| 42.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 42.112.0.0/13 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.0.0/13 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 42.112.0.0/13 | APNIC assigned | — | VN |
| 42.112.0.0/16 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.0.0/18 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.0.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.0.0/20 | WHOIS (APNIC) | FPT Telecom | VN |
| 42.112.16.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.16.0/20 | WHOIS (APNIC) | FPT Telecom | VN |
| 42.112.32.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.32.0/20 | WHOIS (APNIC) | FPT Telecom | VN |
| 42.112.48.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.48.0/20 | WHOIS (APNIC) | FPT Telecom | VN |
| 42.112.48.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.54.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.60.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.1.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.5.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.6.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.7.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.8.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.9.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.10.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.11.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.12.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.13.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.14.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.15.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.16.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.20.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.24.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.25.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.26.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.27.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.28.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.30.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.31.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.34.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.35.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.36.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.38.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.39.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.40.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.41.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.42.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.44.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.45.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.46.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.47.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.48.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.49.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.50.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.51.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.52.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.53.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 42.112.56.0/24 | BGP route | AS18403 FPT Telecom Company | — |