Les adresses IP débutant par 203.51.97 sont fournies par Telstra Pty Ltd, elles appartiennent au CIDR (Classless Inter-Domain Routing) 203.48.0.0/14, le bloc IP comprant les adresses de 203.48.0.0 à 203.51.255.255). Le numéro de système autonome (ASN) est 1221.
| ASN | 1221 |
| IP commençant par | 203.48.0.0 |
| IP se terminant par | 203.51.255.255 |
| Nom ASN | Telstra Pty Ltd |
| CDIR | 203.48.0.0/14 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 20/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | AU | Australie | - | Durren Durren | -33,2 | 151,4 | 2017-07-19 |
| MaxMind | AU | Australie | - | Caboolture | -27,0846 | 152,9511 | 2017-07-19 |
| Whois | AU | - | - | - | 134 | -25 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 203.51.97.0 | 3409142016 | 0 |
| 203.51.97.1 | 3409142017 | 0 |
| 203.51.97.2 | 3409142018 | 0 |
| 203.51.97.3 | 3409142019 | 0 |
| 203.51.97.4 | 3409142020 | 0 |
| 203.51.97.5 | 3409142021 | 0 |
| 203.51.97.6 | 3409142022 | 0 |
| 203.51.97.7 | 3409142023 | 0 |
| 203.51.97.8 | 3409142024 | 0 |
| 203.51.97.9 | 3409142025 | 0 |
| 203.51.97.10 | 3409142026 | 0 |
| 203.51.97.11 | 3409142027 | 0 |
| 203.51.97.12 | 3409142028 | 0 |
| 203.51.97.13 | 3409142029 | 0 |
| 203.51.97.14 | 3409142030 | 0 |
| 203.51.97.15 | 3409142031 | 0 |
| 203.51.97.16 | 3409142032 | 0 |
| 203.51.97.17 | 3409142033 | 0 |
| 203.51.97.18 | 3409142034 | 0 |
| 203.51.97.19 | 3409142035 | 0 |
| 203.51.97.20 | 3409142036 | 0 |
| 203.51.97.21 | 3409142037 | 0 |
| 203.51.97.22 | 3409142038 | 0 |
| 203.51.97.23 | 3409142039 | 0 |
| 203.51.97.24 | 3409142040 | 0 |
| 203.51.97.25 | 3409142041 | 0 |
| 203.51.97.26 | 3409142042 | 0 |
| 203.51.97.27 | 3409142043 | 0 |
| 203.51.97.28 | 3409142044 | 0 |
| 203.51.97.29 | 3409142045 | 0 |
| 203.51.97.30 | 3409142046 | 0 |
| 203.51.97.31 | 3409142047 | 0 |
| 203.51.97.32 | 3409142048 | 0 |
| 203.51.97.33 | 3409142049 | 0 |
| 203.51.97.34 | 3409142050 | 0 |
| 203.51.97.35 | 3409142051 | 0 |
| 203.51.97.36 | 3409142052 | 0 |
| 203.51.97.37 | 3409142053 | 0 |
| 203.51.97.38 | 3409142054 | 0 |
| 203.51.97.39 | 3409142055 | 0 |
| 203.51.97.40 | 3409142056 | 0 |
| 203.51.97.41 | 3409142057 | 0 |
| 203.51.97.42 | 3409142058 | 0 |
| 203.51.97.43 | 3409142059 | 0 |
| 203.51.97.44 | 3409142060 | 0 |
| 203.51.97.45 | 3409142061 | 0 |
| 203.51.97.46 | 3409142062 | 0 |
| 203.51.97.47 | 3409142063 | 0 |
| 203.51.97.48 | 3409142064 | 0 |
| 203.51.97.49 | 3409142065 | 0 |
| 203.51.97.50 | 3409142066 | 0 |
| 203.51.97.51 | 3409142067 | 0 |
| 203.51.97.52 | 3409142068 | 0 |
| 203.51.97.53 | 3409142069 | 0 |
| 203.51.97.54 | 3409142070 | 0 |
| 203.51.97.55 | 3409142071 | 0 |
| 203.51.97.56 | 3409142072 | 0 |
| 203.51.97.57 | 3409142073 | 0 |
| 203.51.97.58 | 3409142074 | 0 |
| 203.51.97.59 | 3409142075 | 0 |
| 203.51.97.60 | 3409142076 | 0 |
| 203.51.97.61 | 3409142077 | 0 |
| 203.51.97.62 | 3409142078 | 0 |
| 203.51.97.63 | 3409142079 | 0 |
| 203.51.97.64 | 3409142080 | 0 |
| 203.51.97.65 | 3409142081 | 0 |
| 203.51.97.66 | 3409142082 | 0 |
| 203.51.97.67 | 3409142083 | 0 |
| 203.51.97.68 | 3409142084 | 0 |
| 203.51.97.69 | 3409142085 | 0 |
| 203.51.97.70 | 3409142086 | 0 |
| 203.51.97.71 | 3409142087 | 0 |
| 203.51.97.72 | 3409142088 | 0 |
| 203.51.97.73 | 3409142089 | 0 |
| 203.51.97.74 | 3409142090 | 0 |
| 203.51.97.75 | 3409142091 | 0 |
| 203.51.97.76 | 3409142092 | 0 |
| 203.51.97.77 | 3409142093 | 0 |
| 203.51.97.78 | 3409142094 | 0 |
| 203.51.97.79 | 3409142095 | 0 |
| 203.51.97.80 | 3409142096 | 0 |
| 203.51.97.81 | 3409142097 | 0 |
| 203.51.97.82 | 3409142098 | 0 |
| 203.51.97.83 | 3409142099 | 0 |
| 203.51.97.84 | 3409142100 | 0 |
| 203.51.97.85 | 3409142101 | 0 |