Les adresses IP débutant par 172.0.63 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 172.0.0.0/12, le bloc IP comprant les adresses de 172.0.0.0 à 172.15.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 172.0.0.0 |
| IP se terminant par | 172.15.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 04/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Overland Park | 38,9822 | -94,6708 | 2017-07-03 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.0.63.0 | 2885697280 | 0 |
| 172.0.63.1 | 2885697281 | 0 |
| 172.0.63.2 | 2885697282 | 0 |
| 172.0.63.3 | 2885697283 | 0 |
| 172.0.63.4 | 2885697284 | 0 |
| 172.0.63.5 | 2885697285 | 0 |
| 172.0.63.6 | 2885697286 | 0 |
| 172.0.63.7 | 2885697287 | 0 |
| 172.0.63.8 | 2885697288 | 0 |
| 172.0.63.9 | 2885697289 | 0 |
| 172.0.63.10 | 2885697290 | 0 |
| 172.0.63.11 | 2885697291 | 0 |
| 172.0.63.12 | 2885697292 | 0 |
| 172.0.63.13 | 2885697293 | 0 |
| 172.0.63.14 | 2885697294 | 0 |
| 172.0.63.15 | 2885697295 | 0 |
| 172.0.63.16 | 2885697296 | 0 |
| 172.0.63.17 | 2885697297 | 0 |
| 172.0.63.18 | 2885697298 | 0 |
| 172.0.63.19 | 2885697299 | 0 |
| 172.0.63.20 | 2885697300 | 0 |
| 172.0.63.21 | 2885697301 | 0 |
| 172.0.63.22 | 2885697302 | 0 |
| 172.0.63.23 | 2885697303 | 0 |
| 172.0.63.24 | 2885697304 | 0 |
| 172.0.63.25 | 2885697305 | 0 |
| 172.0.63.26 | 2885697306 | 0 |
| 172.0.63.27 | 2885697307 | 0 |
| 172.0.63.28 | 2885697308 | 0 |
| 172.0.63.29 | 2885697309 | 0 |
| 172.0.63.30 | 2885697310 | 0 |
| 172.0.63.31 | 2885697311 | 0 |
| 172.0.63.32 | 2885697312 | 0 |
| 172.0.63.33 | 2885697313 | 0 |
| 172.0.63.34 | 2885697314 | 0 |
| 172.0.63.35 | 2885697315 | 0 |
| 172.0.63.36 | 2885697316 | 0 |
| 172.0.63.37 | 2885697317 | 0 |
| 172.0.63.38 | 2885697318 | 0 |
| 172.0.63.39 | 2885697319 | 0 |
| 172.0.63.40 | 2885697320 | 0 |
| 172.0.63.41 | 2885697321 | 0 |
| 172.0.63.42 | 2885697322 | 0 |
| 172.0.63.43 | 2885697323 | 0 |
| 172.0.63.44 | 2885697324 | 0 |
| 172.0.63.45 | 2885697325 | 0 |
| 172.0.63.46 | 2885697326 | 0 |
| 172.0.63.47 | 2885697327 | 0 |
| 172.0.63.48 | 2885697328 | 0 |
| 172.0.63.49 | 2885697329 | 0 |
| 172.0.63.50 | 2885697330 | 0 |
| 172.0.63.51 | 2885697331 | 0 |
| 172.0.63.52 | 2885697332 | 0 |
| 172.0.63.53 | 2885697333 | 0 |
| 172.0.63.54 | 2885697334 | 0 |
| 172.0.63.55 | 2885697335 | 0 |
| 172.0.63.56 | 2885697336 | 0 |
| 172.0.63.57 | 2885697337 | 0 |
| 172.0.63.58 | 2885697338 | 0 |
| 172.0.63.59 | 2885697339 | 0 |
| 172.0.63.60 | 2885697340 | 0 |
| 172.0.63.61 | 2885697341 | 0 |
| 172.0.63.62 | 2885697342 | 0 |
| 172.0.63.63 | 2885697343 | 0 |
| 172.0.63.64 | 2885697344 | 0 |
| 172.0.63.65 | 2885697345 | 0 |
| 172.0.63.66 | 2885697346 | 0 |
| 172.0.63.67 | 2885697347 | 0 |
| 172.0.63.68 | 2885697348 | 0 |
| 172.0.63.69 | 2885697349 | 0 |
| 172.0.63.70 | 2885697350 | 0 |
| 172.0.63.71 | 2885697351 | 0 |
| 172.0.63.72 | 2885697352 | 0 |
| 172.0.63.73 | 2885697353 | 0 |
| 172.0.63.74 | 2885697354 | 0 |
| 172.0.63.75 | 2885697355 | 0 |
| 172.0.63.76 | 2885697356 | 0 |
| 172.0.63.77 | 2885697357 | 0 |
| 172.0.63.78 | 2885697358 | 0 |
| 172.0.63.79 | 2885697359 | 0 |
| 172.0.63.80 | 2885697360 | 0 |
| 172.0.63.81 | 2885697361 | 0 |
| 172.0.63.82 | 2885697362 | 0 |
| 172.0.63.83 | 2885697363 | 0 |
| 172.0.63.84 | 2885697364 | 0 |
| 172.0.63.85 | 2885697365 | 0 |
| IP | Numerical IP | DNS |
| 172.0.63.86 | 2885697366 | 0 |
| 172.0.63.87 | 2885697367 | 0 |
| 172.0.63.88 | 2885697368 | 0 |
| 172.0.63.89 | 2885697369 | 0 |
| 172.0.63.90 | 2885697370 | 0 |
| 172.0.63.91 | 2885697371 | 0 |
| 172.0.63.92 | 2885697372 | 0 |
| 172.0.63.93 | 2885697373 | 0 |
| 172.0.63.94 | 2885697374 | 0 |
| 172.0.63.95 | 2885697375 | 0 |
| 172.0.63.96 | 2885697376 | 0 |
| 172.0.63.97 | 2885697377 | 0 |
| 172.0.63.98 | 2885697378 | 0 |
| 172.0.63.99 | 2885697379 | 0 |
| 172.0.63.100 | 2885697380 | 0 |
| 172.0.63.101 | 2885697381 | 0 |
| 172.0.63.102 | 2885697382 | 0 |
| 172.0.63.103 | 2885697383 | 0 |
| 172.0.63.104 | 2885697384 | 0 |
| 172.0.63.105 | 2885697385 | 0 |
| 172.0.63.106 | 2885697386 | 0 |
| 172.0.63.107 | 2885697387 | 0 |
| 172.0.63.108 | 2885697388 | 0 |
| 172.0.63.109 | 2885697389 | 0 |
| 172.0.63.110 | 2885697390 | 0 |
| 172.0.63.111 | 2885697391 | 0 |
| 172.0.63.112 | 2885697392 | 0 |
| 172.0.63.113 | 2885697393 | 0 |
| 172.0.63.114 | 2885697394 | 0 |
| 172.0.63.115 | 2885697395 | 0 |
| 172.0.63.116 | 2885697396 | 0 |
| 172.0.63.117 | 2885697397 | 0 |
| 172.0.63.118 | 2885697398 | 0 |
| 172.0.63.119 | 2885697399 | 0 |
| 172.0.63.120 | 2885697400 | 0 |
| 172.0.63.121 | 2885697401 | 0 |
| 172.0.63.122 | 2885697402 | 0 |
| 172.0.63.123 | 2885697403 | 0 |
| 172.0.63.124 | 2885697404 | 0 |
| 172.0.63.125 | 2885697405 | 0 |
| 172.0.63.126 | 2885697406 | 0 |
| 172.0.63.127 | 2885697407 | 0 |
| 172.0.63.128 | 2885697408 | 0 |
| 172.0.63.129 | 2885697409 | 0 |
| 172.0.63.130 | 2885697410 | 0 |
| 172.0.63.131 | 2885697411 | 0 |
| 172.0.63.132 | 2885697412 | 0 |
| 172.0.63.133 | 2885697413 | 0 |
| 172.0.63.134 | 2885697414 | 0 |
| 172.0.63.135 | 2885697415 | 0 |
| 172.0.63.136 | 2885697416 | 0 |
| 172.0.63.137 | 2885697417 | 0 |
| 172.0.63.138 | 2885697418 | 0 |
| 172.0.63.139 | 2885697419 | 0 |
| 172.0.63.140 | 2885697420 | 0 |
| 172.0.63.141 | 2885697421 | 0 |
| 172.0.63.142 | 2885697422 | 0 |
| 172.0.63.143 | 2885697423 | 0 |
| 172.0.63.144 | 2885697424 | 0 |
| 172.0.63.145 | 2885697425 | 0 |
| 172.0.63.146 | 2885697426 | 0 |
| 172.0.63.147 | 2885697427 | 0 |
| 172.0.63.148 | 2885697428 | 0 |
| 172.0.63.149 | 2885697429 | 0 |
| 172.0.63.150 | 2885697430 | 0 |
| 172.0.63.151 | 2885697431 | 0 |
| 172.0.63.152 | 2885697432 | 0 |
| 172.0.63.153 | 2885697433 | 0 |
| 172.0.63.154 | 2885697434 | 0 |
| 172.0.63.155 | 2885697435 | 0 |
| 172.0.63.156 | 2885697436 | 0 |
| 172.0.63.157 | 2885697437 | 0 |
| 172.0.63.158 | 2885697438 | 0 |
| 172.0.63.159 | 2885697439 | 0 |
| 172.0.63.160 | 2885697440 | 0 |
| 172.0.63.161 | 2885697441 | 0 |
| 172.0.63.162 | 2885697442 | 0 |
| 172.0.63.163 | 2885697443 | 0 |
| 172.0.63.164 | 2885697444 | 0 |
| 172.0.63.165 | 2885697445 | 0 |
| 172.0.63.166 | 2885697446 | 0 |
| 172.0.63.167 | 2885697447 | 0 |
| 172.0.63.168 | 2885697448 | 0 |
| 172.0.63.169 | 2885697449 | 0 |
| 172.0.63.170 | 2885697450 | 0 |
| 172.0.63.171 | 2885697451 | 0 |
| IP | Numerical IP | DNS |
| 172.0.63.172 | 2885697452 | 0 |
| 172.0.63.173 | 2885697453 | 0 |
| 172.0.63.174 | 2885697454 | 0 |
| 172.0.63.175 | 2885697455 | 0 |
| 172.0.63.176 | 2885697456 | 0 |
| 172.0.63.177 | 2885697457 | 0 |
| 172.0.63.178 | 2885697458 | 0 |
| 172.0.63.179 | 2885697459 | 0 |
| 172.0.63.180 | 2885697460 | 0 |
| 172.0.63.181 | 2885697461 | 0 |
| 172.0.63.182 | 2885697462 | 0 |
| 172.0.63.183 | 2885697463 | 0 |
| 172.0.63.184 | 2885697464 | 0 |
| 172.0.63.185 | 2885697465 | 0 |
| 172.0.63.186 | 2885697466 | 0 |
| 172.0.63.187 | 2885697467 | 0 |
| 172.0.63.188 | 2885697468 | 0 |
| 172.0.63.189 | 2885697469 | 0 |
| 172.0.63.190 | 2885697470 | 0 |
| 172.0.63.191 | 2885697471 | 0 |
| 172.0.63.192 | 2885697472 | 0 |
| 172.0.63.193 | 2885697473 | 0 |
| 172.0.63.194 | 2885697474 | 0 |
| 172.0.63.195 | 2885697475 | 0 |
| 172.0.63.196 | 2885697476 | 0 |
| 172.0.63.197 | 2885697477 | 0 |
| 172.0.63.198 | 2885697478 | 0 |
| 172.0.63.199 | 2885697479 | 0 |
| 172.0.63.200 | 2885697480 | 0 |
| 172.0.63.201 | 2885697481 | 0 |
| 172.0.63.202 | 2885697482 | 0 |
| 172.0.63.203 | 2885697483 | 0 |
| 172.0.63.204 | 2885697484 | 0 |
| 172.0.63.205 | 2885697485 | 0 |
| 172.0.63.206 | 2885697486 | 0 |
| 172.0.63.207 | 2885697487 | 0 |
| 172.0.63.208 | 2885697488 | 0 |
| 172.0.63.209 | 2885697489 | 0 |
| 172.0.63.210 | 2885697490 | 0 |
| 172.0.63.211 | 2885697491 | 0 |
| 172.0.63.212 | 2885697492 | 0 |
| 172.0.63.213 | 2885697493 | 0 |
| 172.0.63.214 | 2885697494 | 0 |
| 172.0.63.215 | 2885697495 | 0 |
| 172.0.63.216 | 2885697496 | 0 |
| 172.0.63.217 | 2885697497 | 0 |
| 172.0.63.218 | 2885697498 | 0 |
| 172.0.63.219 | 2885697499 | 0 |
| 172.0.63.220 | 2885697500 | 0 |
| 172.0.63.221 | 2885697501 | 0 |
| 172.0.63.222 | 2885697502 | 0 |
| 172.0.63.223 | 2885697503 | 0 |
| 172.0.63.224 | 2885697504 | 0 |
| 172.0.63.225 | 2885697505 | 0 |
| 172.0.63.226 | 2885697506 | 0 |
| 172.0.63.227 | 2885697507 | 0 |
| 172.0.63.228 | 2885697508 | 0 |
| 172.0.63.229 | 2885697509 | 0 |
| 172.0.63.230 | 2885697510 | 0 |
| 172.0.63.231 | 2885697511 | 0 |
| 172.0.63.232 | 2885697512 | 0 |
| 172.0.63.233 | 2885697513 | 0 |
| 172.0.63.234 | 2885697514 | 0 |
| 172.0.63.235 | 2885697515 | 0 |
| 172.0.63.236 | 2885697516 | 0 |
| 172.0.63.237 | 2885697517 | 0 |
| 172.0.63.238 | 2885697518 | 0 |
| 172.0.63.239 | 2885697519 | 0 |
| 172.0.63.240 | 2885697520 | 0 |
| 172.0.63.241 | 2885697521 | 0 |
| 172.0.63.242 | 2885697522 | 0 |
| 172.0.63.243 | 2885697523 | 0 |
| 172.0.63.244 | 2885697524 | 0 |
| 172.0.63.245 | 2885697525 | 0 |
| 172.0.63.246 | 2885697526 | 0 |
| 172.0.63.247 | 2885697527 | 0 |
| 172.0.63.248 | 2885697528 | 0 |
| 172.0.63.249 | 2885697529 | 0 |
| 172.0.63.250 | 2885697530 | 0 |
| 172.0.63.251 | 2885697531 | 0 |
| 172.0.63.252 | 2885697532 | 0 |
| 172.0.63.253 | 2885697533 | 0 |
| 172.0.63.254 | 2885697534 | 0 |
| 172.0.63.255 | 2885697535 | 0 |