Les adresses IP débutant par 121.210.2 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 | 23/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | AU | Australie | - | Sydney | -33,8679 | 151,2073 | 2017-09-23 |
| MaxMind | AU | Australie | - | Hurstville Grove | -33,9799 | 151,0903 | 2017-09-23 |
| Whois | AU | - | - | - | 134 | -25 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.210.2.0 | 2043806208 | 0 |
| 121.210.2.1 | 2043806209 | 0 |
| 121.210.2.2 | 2043806210 | 0 |
| 121.210.2.3 | 2043806211 | 0 |
| 121.210.2.4 | 2043806212 | 0 |
| 121.210.2.5 | 2043806213 | 0 |
| 121.210.2.6 | 2043806214 | 0 |
| 121.210.2.7 | 2043806215 | 0 |
| 121.210.2.8 | 2043806216 | 0 |
| 121.210.2.9 | 2043806217 | 0 |
| 121.210.2.10 | 2043806218 | 0 |
| 121.210.2.11 | 2043806219 | 0 |
| 121.210.2.12 | 2043806220 | 0 |
| 121.210.2.13 | 2043806221 | 0 |
| 121.210.2.14 | 2043806222 | 0 |
| 121.210.2.15 | 2043806223 | 0 |
| 121.210.2.16 | 2043806224 | 0 |
| 121.210.2.17 | 2043806225 | 0 |
| 121.210.2.18 | 2043806226 | 0 |
| 121.210.2.19 | 2043806227 | 0 |
| 121.210.2.20 | 2043806228 | 0 |
| 121.210.2.21 | 2043806229 | 0 |
| 121.210.2.22 | 2043806230 | 0 |
| 121.210.2.23 | 2043806231 | 0 |
| 121.210.2.24 | 2043806232 | 0 |
| 121.210.2.25 | 2043806233 | 0 |
| 121.210.2.26 | 2043806234 | 0 |
| 121.210.2.27 | 2043806235 | 0 |
| 121.210.2.28 | 2043806236 | 0 |
| 121.210.2.29 | 2043806237 | 0 |
| 121.210.2.30 | 2043806238 | 0 |
| 121.210.2.31 | 2043806239 | 0 |
| 121.210.2.32 | 2043806240 | 0 |
| 121.210.2.33 | 2043806241 | 0 |
| 121.210.2.34 | 2043806242 | 0 |
| 121.210.2.35 | 2043806243 | 0 |
| 121.210.2.36 | 2043806244 | 0 |
| 121.210.2.37 | 2043806245 | 0 |
| 121.210.2.38 | 2043806246 | 0 |
| 121.210.2.39 | 2043806247 | 0 |
| 121.210.2.40 | 2043806248 | 0 |
| 121.210.2.41 | 2043806249 | 0 |
| 121.210.2.42 | 2043806250 | 0 |
| 121.210.2.43 | 2043806251 | 0 |
| 121.210.2.44 | 2043806252 | 0 |
| 121.210.2.45 | 2043806253 | 0 |
| 121.210.2.46 | 2043806254 | 0 |
| 121.210.2.47 | 2043806255 | 0 |
| 121.210.2.48 | 2043806256 | 0 |
| 121.210.2.49 | 2043806257 | 0 |
| 121.210.2.50 | 2043806258 | 0 |
| 121.210.2.51 | 2043806259 | 0 |
| 121.210.2.52 | 2043806260 | 0 |
| 121.210.2.53 | 2043806261 | 0 |
| 121.210.2.54 | 2043806262 | 0 |
| 121.210.2.55 | 2043806263 | 0 |
| 121.210.2.56 | 2043806264 | 0 |
| 121.210.2.57 | 2043806265 | 0 |
| 121.210.2.58 | 2043806266 | 0 |
| 121.210.2.59 | 2043806267 | 0 |
| 121.210.2.60 | 2043806268 | 0 |
| 121.210.2.61 | 2043806269 | 0 |
| 121.210.2.62 | 2043806270 | 0 |
| 121.210.2.63 | 2043806271 | 0 |
| 121.210.2.64 | 2043806272 | 0 |
| 121.210.2.65 | 2043806273 | 0 |
| 121.210.2.66 | 2043806274 | 0 |
| 121.210.2.67 | 2043806275 | 0 |
| 121.210.2.68 | 2043806276 | 0 |
| 121.210.2.69 | 2043806277 | 0 |
| 121.210.2.70 | 2043806278 | 0 |
| 121.210.2.71 | 2043806279 | 0 |
| 121.210.2.72 | 2043806280 | 0 |
| 121.210.2.73 | 2043806281 | 0 |
| 121.210.2.74 | 2043806282 | 0 |
| 121.210.2.75 | 2043806283 | 0 |
| 121.210.2.76 | 2043806284 | 0 |
| 121.210.2.77 | 2043806285 | 0 |
| 121.210.2.78 | 2043806286 | 0 |
| 121.210.2.79 | 2043806287 | 0 |
| 121.210.2.80 | 2043806288 | 0 |
| 121.210.2.81 | 2043806289 | 0 |
| 121.210.2.82 | 2043806290 | 0 |
| 121.210.2.83 | 2043806291 | 0 |
| 121.210.2.84 | 2043806292 | 0 |
| 121.210.2.85 | 2043806293 | 0 |