Les adresses IP débutant par 12.240.4 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, le bloc IP comprant les adresses de 12.0.0.0 à 12.255.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 12.0.0.0 |
| IP se terminant par | 12.255.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 29/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Charlotte | 35,2271 | -80,8431 | 2017-09-28 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-09-28 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.240.4.0 | 217056256 | 0 |
| 12.240.4.1 | 217056257 | 0 |
| 12.240.4.2 | 217056258 | 0 |
| 12.240.4.3 | 217056259 | 0 |
| 12.240.4.4 | 217056260 | 0 |
| 12.240.4.5 | 217056261 | 0 |
| 12.240.4.6 | 217056262 | 0 |
| 12.240.4.7 | 217056263 | 0 |
| 12.240.4.8 | 217056264 | 0 |
| 12.240.4.9 | 217056265 | 0 |
| 12.240.4.10 | 217056266 | 0 |
| 12.240.4.11 | 217056267 | 0 |
| 12.240.4.12 | 217056268 | 0 |
| 12.240.4.13 | 217056269 | 0 |
| 12.240.4.14 | 217056270 | 0 |
| 12.240.4.15 | 217056271 | 0 |
| 12.240.4.16 | 217056272 | 0 |
| 12.240.4.17 | 217056273 | 0 |
| 12.240.4.18 | 217056274 | 0 |
| 12.240.4.19 | 217056275 | 0 |
| 12.240.4.20 | 217056276 | 0 |
| 12.240.4.21 | 217056277 | 0 |
| 12.240.4.22 | 217056278 | 0 |
| 12.240.4.23 | 217056279 | 0 |
| 12.240.4.24 | 217056280 | 0 |
| 12.240.4.25 | 217056281 | 0 |
| 12.240.4.26 | 217056282 | 0 |
| 12.240.4.27 | 217056283 | 0 |
| 12.240.4.28 | 217056284 | 0 |
| 12.240.4.29 | 217056285 | 0 |
| 12.240.4.30 | 217056286 | 0 |
| 12.240.4.31 | 217056287 | 0 |
| 12.240.4.32 | 217056288 | 0 |
| 12.240.4.33 | 217056289 | 0 |
| 12.240.4.34 | 217056290 | 0 |
| 12.240.4.35 | 217056291 | 0 |
| 12.240.4.36 | 217056292 | 0 |
| 12.240.4.37 | 217056293 | 0 |
| 12.240.4.38 | 217056294 | 0 |
| 12.240.4.39 | 217056295 | 0 |
| 12.240.4.40 | 217056296 | 0 |
| 12.240.4.41 | 217056297 | 0 |
| 12.240.4.42 | 217056298 | 0 |
| 12.240.4.43 | 217056299 | 0 |
| 12.240.4.44 | 217056300 | 0 |
| 12.240.4.45 | 217056301 | 0 |
| 12.240.4.46 | 217056302 | 0 |
| 12.240.4.47 | 217056303 | 0 |
| 12.240.4.48 | 217056304 | 0 |
| 12.240.4.49 | 217056305 | 0 |
| 12.240.4.50 | 217056306 | 0 |
| 12.240.4.51 | 217056307 | 0 |
| 12.240.4.52 | 217056308 | 0 |
| 12.240.4.53 | 217056309 | 0 |
| 12.240.4.54 | 217056310 | 0 |
| 12.240.4.55 | 217056311 | 0 |
| 12.240.4.56 | 217056312 | 0 |
| 12.240.4.57 | 217056313 | 0 |
| 12.240.4.58 | 217056314 | 0 |
| 12.240.4.59 | 217056315 | 0 |
| 12.240.4.60 | 217056316 | 0 |
| 12.240.4.61 | 217056317 | 0 |
| 12.240.4.62 | 217056318 | 0 |
| 12.240.4.63 | 217056319 | 0 |
| 12.240.4.64 | 217056320 | 0 |
| 12.240.4.65 | 217056321 | 0 |
| 12.240.4.66 | 217056322 | 0 |
| 12.240.4.67 | 217056323 | 0 |
| 12.240.4.68 | 217056324 | 0 |
| 12.240.4.69 | 217056325 | 0 |
| 12.240.4.70 | 217056326 | 0 |
| 12.240.4.71 | 217056327 | 0 |
| 12.240.4.72 | 217056328 | 0 |
| 12.240.4.73 | 217056329 | 0 |
| 12.240.4.74 | 217056330 | 0 |
| 12.240.4.75 | 217056331 | 0 |
| 12.240.4.76 | 217056332 | 0 |
| 12.240.4.77 | 217056333 | 0 |
| 12.240.4.78 | 217056334 | 0 |
| 12.240.4.79 | 217056335 | 0 |
| 12.240.4.80 | 217056336 | 0 |
| 12.240.4.81 | 217056337 | 0 |
| 12.240.4.82 | 217056338 | 0 |
| 12.240.4.83 | 217056339 | 0 |
| 12.240.4.84 | 217056340 | 0 |
| 12.240.4.85 | 217056341 | 0 |