| 183.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 183.81.0.0/17 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.0.0/17 | WHOIS (APNIC) | FPT Telecom | VN |
| 183.81.0.0/17 | APNIC assigned | — | VN |
| 183.81.0.0/18 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.64.0/18 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.0.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.0.0/20 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 183.81.16.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.16.0/20 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 183.81.32.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.32.0/20 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 183.81.48.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.48.0/20 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 183.81.64.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.64.0/20 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 183.81.80.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.80.0/20 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 183.81.96.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.96.0/20 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 183.81.112.0/20 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.112.0/20 | WHOIS (APNIC) | FPT Telecom Company | VN |
| 183.81.120.0/22 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.6.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.10.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.18.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.22.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.42.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.44.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.46.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.52.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.86.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.106.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.108.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.116.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.124.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.126.0/23 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.0.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.1.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.2.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.3.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.4.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.5.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.8.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.9.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.12.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.13.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.15.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.16.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.17.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.20.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.21.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.24.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.25.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.26.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.27.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.28.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.29.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.30.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.31.0/24 | BGP route | AS18403 FPT Telecom Company | — |
| 183.81.33.0/24 | BGP route | AS18403 FPT Telecom Company | — |