Les adresses IP débutant par 121.215.7 sont fournies par Telstra Pty Ltd, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.208.0.0/12, le bloc IP comprant les adresses de 121.208.0.0 à 121.223.255.255). Le numéro de système autonome (ASN) est 1221.
| ASN | 1221 |
| IP commençant par | 121.208.0.0 |
| IP se terminant par | 121.223.255.255 |
| Nom ASN | Telstra Pty Ltd |
| CDIR | 121.208.0.0/12 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 25/05/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | AU | Australie | - | Paraburdoo | -23,2042 | 117,6697 | 2018-05-25 |
| MaxMind | AU | Australie | - | Marmion | -31,8416 | 115,7569 | 2018-05-25 |
| Whois | AU | - | - | - | 134 | -25 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.215.7.0 | 2044135168 | 0 |
| 121.215.7.1 | 2044135169 | 0 |
| 121.215.7.2 | 2044135170 | 0 |
| 121.215.7.3 | 2044135171 | 0 |
| 121.215.7.4 | 2044135172 | 0 |
| 121.215.7.5 | 2044135173 | 0 |
| 121.215.7.6 | 2044135174 | 0 |
| 121.215.7.7 | 2044135175 | 0 |
| 121.215.7.8 | 2044135176 | 0 |
| 121.215.7.9 | 2044135177 | 0 |
| 121.215.7.10 | 2044135178 | 0 |
| 121.215.7.11 | 2044135179 | 0 |
| 121.215.7.12 | 2044135180 | 0 |
| 121.215.7.13 | 2044135181 | 0 |
| 121.215.7.14 | 2044135182 | 0 |
| 121.215.7.15 | 2044135183 | 0 |
| 121.215.7.16 | 2044135184 | 0 |
| 121.215.7.17 | 2044135185 | 0 |
| 121.215.7.18 | 2044135186 | 0 |
| 121.215.7.19 | 2044135187 | 0 |
| 121.215.7.20 | 2044135188 | 0 |
| 121.215.7.21 | 2044135189 | 0 |
| 121.215.7.22 | 2044135190 | 0 |
| 121.215.7.23 | 2044135191 | 0 |
| 121.215.7.24 | 2044135192 | 0 |
| 121.215.7.25 | 2044135193 | 0 |
| 121.215.7.26 | 2044135194 | 0 |
| 121.215.7.27 | 2044135195 | 0 |
| 121.215.7.28 | 2044135196 | 0 |
| 121.215.7.29 | 2044135197 | 0 |
| 121.215.7.30 | 2044135198 | 0 |
| 121.215.7.31 | 2044135199 | 0 |
| 121.215.7.32 | 2044135200 | 0 |
| 121.215.7.33 | 2044135201 | 0 |
| 121.215.7.34 | 2044135202 | 0 |
| 121.215.7.35 | 2044135203 | 0 |
| 121.215.7.36 | 2044135204 | 0 |
| 121.215.7.37 | 2044135205 | 0 |
| 121.215.7.38 | 2044135206 | 0 |
| 121.215.7.39 | 2044135207 | 0 |
| 121.215.7.40 | 2044135208 | 0 |
| 121.215.7.41 | 2044135209 | 0 |
| 121.215.7.42 | 2044135210 | 0 |
| 121.215.7.43 | 2044135211 | 0 |
| 121.215.7.44 | 2044135212 | 0 |
| 121.215.7.45 | 2044135213 | 0 |
| 121.215.7.46 | 2044135214 | 0 |
| 121.215.7.47 | 2044135215 | 0 |
| 121.215.7.48 | 2044135216 | 0 |
| 121.215.7.49 | 2044135217 | 0 |
| 121.215.7.50 | 2044135218 | 0 |
| 121.215.7.51 | 2044135219 | 0 |
| 121.215.7.52 | 2044135220 | 0 |
| 121.215.7.53 | 2044135221 | 0 |
| 121.215.7.54 | 2044135222 | 0 |
| 121.215.7.55 | 2044135223 | 0 |
| 121.215.7.56 | 2044135224 | 0 |
| 121.215.7.57 | 2044135225 | 0 |
| 121.215.7.58 | 2044135226 | 0 |
| 121.215.7.59 | 2044135227 | 0 |
| 121.215.7.60 | 2044135228 | 0 |
| 121.215.7.61 | 2044135229 | 0 |
| 121.215.7.62 | 2044135230 | 0 |
| 121.215.7.63 | 2044135231 | 0 |
| 121.215.7.64 | 2044135232 | 0 |
| 121.215.7.65 | 2044135233 | 0 |
| 121.215.7.66 | 2044135234 | 0 |
| 121.215.7.67 | 2044135235 | 0 |
| 121.215.7.68 | 2044135236 | 0 |
| 121.215.7.69 | 2044135237 | 0 |
| 121.215.7.70 | 2044135238 | 0 |
| 121.215.7.71 | 2044135239 | 0 |
| 121.215.7.72 | 2044135240 | 0 |
| 121.215.7.73 | 2044135241 | 0 |
| 121.215.7.74 | 2044135242 | 0 |
| 121.215.7.75 | 2044135243 | 0 |
| 121.215.7.76 | 2044135244 | 0 |
| 121.215.7.77 | 2044135245 | 0 |
| 121.215.7.78 | 2044135246 | 0 |
| 121.215.7.79 | 2044135247 | 0 |
| 121.215.7.80 | 2044135248 | 0 |
| 121.215.7.81 | 2044135249 | 0 |
| 121.215.7.82 | 2044135250 | 0 |
| 121.215.7.83 | 2044135251 | 0 |
| 121.215.7.84 | 2044135252 | 0 |
| 121.215.7.85 | 2044135253 | 0 |