Les adresses IP débutant par 172.0.28 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 | 23/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Madisonville | 37,3281 | -87,4989 | 2017-07-23 |
| MaxMind | US | États-Unis | - | Madisonville | 37,3268 | -87,4696 | 2017-07-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.0.28.0 | 2885688320 | 0 |
| 172.0.28.1 | 2885688321 | 0 |
| 172.0.28.2 | 2885688322 | 0 |
| 172.0.28.3 | 2885688323 | 0 |
| 172.0.28.4 | 2885688324 | 0 |
| 172.0.28.5 | 2885688325 | 0 |
| 172.0.28.6 | 2885688326 | 0 |
| 172.0.28.7 | 2885688327 | 0 |
| 172.0.28.8 | 2885688328 | 0 |
| 172.0.28.9 | 2885688329 | 0 |
| 172.0.28.10 | 2885688330 | 0 |
| 172.0.28.11 | 2885688331 | 0 |
| 172.0.28.12 | 2885688332 | 0 |
| 172.0.28.13 | 2885688333 | 0 |
| 172.0.28.14 | 2885688334 | 0 |
| 172.0.28.15 | 2885688335 | 0 |
| 172.0.28.16 | 2885688336 | 0 |
| 172.0.28.17 | 2885688337 | 0 |
| 172.0.28.18 | 2885688338 | 0 |
| 172.0.28.19 | 2885688339 | 0 |
| 172.0.28.20 | 2885688340 | 0 |
| 172.0.28.21 | 2885688341 | 0 |
| 172.0.28.22 | 2885688342 | 0 |
| 172.0.28.23 | 2885688343 | 0 |
| 172.0.28.24 | 2885688344 | 0 |
| 172.0.28.25 | 2885688345 | 0 |
| 172.0.28.26 | 2885688346 | 0 |
| 172.0.28.27 | 2885688347 | 0 |
| 172.0.28.28 | 2885688348 | 0 |
| 172.0.28.29 | 2885688349 | 0 |
| 172.0.28.30 | 2885688350 | 0 |
| 172.0.28.31 | 2885688351 | 0 |
| 172.0.28.32 | 2885688352 | 0 |
| 172.0.28.33 | 2885688353 | 0 |
| 172.0.28.34 | 2885688354 | 0 |
| 172.0.28.35 | 2885688355 | 0 |
| 172.0.28.36 | 2885688356 | 0 |
| 172.0.28.37 | 2885688357 | 0 |
| 172.0.28.38 | 2885688358 | 0 |
| 172.0.28.39 | 2885688359 | 0 |
| 172.0.28.40 | 2885688360 | 0 |
| 172.0.28.41 | 2885688361 | 0 |
| 172.0.28.42 | 2885688362 | 0 |
| 172.0.28.43 | 2885688363 | 0 |
| 172.0.28.44 | 2885688364 | 0 |
| 172.0.28.45 | 2885688365 | 0 |
| 172.0.28.46 | 2885688366 | 0 |
| 172.0.28.47 | 2885688367 | 0 |
| 172.0.28.48 | 2885688368 | 0 |
| 172.0.28.49 | 2885688369 | 0 |
| 172.0.28.50 | 2885688370 | 0 |
| 172.0.28.51 | 2885688371 | 0 |
| 172.0.28.52 | 2885688372 | 0 |
| 172.0.28.53 | 2885688373 | 0 |
| 172.0.28.54 | 2885688374 | 0 |
| 172.0.28.55 | 2885688375 | 0 |
| 172.0.28.56 | 2885688376 | 0 |
| 172.0.28.57 | 2885688377 | 0 |
| 172.0.28.58 | 2885688378 | 0 |
| 172.0.28.59 | 2885688379 | 0 |
| 172.0.28.60 | 2885688380 | 0 |
| 172.0.28.61 | 2885688381 | 0 |
| 172.0.28.62 | 2885688382 | 0 |
| 172.0.28.63 | 2885688383 | 0 |
| 172.0.28.64 | 2885688384 | 0 |
| 172.0.28.65 | 2885688385 | 0 |
| 172.0.28.66 | 2885688386 | 0 |
| 172.0.28.67 | 2885688387 | 0 |
| 172.0.28.68 | 2885688388 | 0 |
| 172.0.28.69 | 2885688389 | 0 |
| 172.0.28.70 | 2885688390 | 0 |
| 172.0.28.71 | 2885688391 | 0 |
| 172.0.28.72 | 2885688392 | 0 |
| 172.0.28.73 | 2885688393 | 0 |
| 172.0.28.74 | 2885688394 | 0 |
| 172.0.28.75 | 2885688395 | 0 |
| 172.0.28.76 | 2885688396 | 0 |
| 172.0.28.77 | 2885688397 | 0 |
| 172.0.28.78 | 2885688398 | 0 |
| 172.0.28.79 | 2885688399 | 0 |
| 172.0.28.80 | 2885688400 | 0 |
| 172.0.28.81 | 2885688401 | 0 |
| 172.0.28.82 | 2885688402 | 0 |
| 172.0.28.83 | 2885688403 | 0 |
| 172.0.28.84 | 2885688404 | 0 |
| 172.0.28.85 | 2885688405 | 0 |
| IP | Numerical IP | DNS |
| 172.0.28.86 | 2885688406 | 0 |
| 172.0.28.87 | 2885688407 | 0 |
| 172.0.28.88 | 2885688408 | 0 |
| 172.0.28.89 | 2885688409 | 0 |
| 172.0.28.90 | 2885688410 | 0 |
| 172.0.28.91 | 2885688411 | 0 |
| 172.0.28.92 | 2885688412 | 0 |
| 172.0.28.93 | 2885688413 | 0 |
| 172.0.28.94 | 2885688414 | 0 |
| 172.0.28.95 | 2885688415 | 0 |
| 172.0.28.96 | 2885688416 | 0 |
| 172.0.28.97 | 2885688417 | 0 |
| 172.0.28.98 | 2885688418 | 0 |
| 172.0.28.99 | 2885688419 | 0 |
| 172.0.28.100 | 2885688420 | 0 |
| 172.0.28.101 | 2885688421 | 0 |
| 172.0.28.102 | 2885688422 | 0 |
| 172.0.28.103 | 2885688423 | 0 |
| 172.0.28.104 | 2885688424 | 0 |
| 172.0.28.105 | 2885688425 | 0 |
| 172.0.28.106 | 2885688426 | 0 |
| 172.0.28.107 | 2885688427 | 0 |
| 172.0.28.108 | 2885688428 | 0 |
| 172.0.28.109 | 2885688429 | 0 |
| 172.0.28.110 | 2885688430 | 0 |
| 172.0.28.111 | 2885688431 | 0 |
| 172.0.28.112 | 2885688432 | 0 |
| 172.0.28.113 | 2885688433 | 0 |
| 172.0.28.114 | 2885688434 | 0 |
| 172.0.28.115 | 2885688435 | 0 |
| 172.0.28.116 | 2885688436 | 0 |
| 172.0.28.117 | 2885688437 | 0 |
| 172.0.28.118 | 2885688438 | 0 |
| 172.0.28.119 | 2885688439 | 0 |
| 172.0.28.120 | 2885688440 | 0 |
| 172.0.28.121 | 2885688441 | 0 |
| 172.0.28.122 | 2885688442 | 0 |
| 172.0.28.123 | 2885688443 | 0 |
| 172.0.28.124 | 2885688444 | 0 |
| 172.0.28.125 | 2885688445 | 0 |
| 172.0.28.126 | 2885688446 | 0 |
| 172.0.28.127 | 2885688447 | 0 |
| 172.0.28.128 | 2885688448 | 0 |
| 172.0.28.129 | 2885688449 | 0 |
| 172.0.28.130 | 2885688450 | 0 |
| 172.0.28.131 | 2885688451 | 0 |
| 172.0.28.132 | 2885688452 | 0 |
| 172.0.28.133 | 2885688453 | 0 |
| 172.0.28.134 | 2885688454 | 0 |
| 172.0.28.135 | 2885688455 | 0 |
| 172.0.28.136 | 2885688456 | 0 |
| 172.0.28.137 | 2885688457 | 0 |
| 172.0.28.138 | 2885688458 | 0 |
| 172.0.28.139 | 2885688459 | 0 |
| 172.0.28.140 | 2885688460 | 0 |
| 172.0.28.141 | 2885688461 | 0 |
| 172.0.28.142 | 2885688462 | 0 |
| 172.0.28.143 | 2885688463 | 0 |
| 172.0.28.144 | 2885688464 | 0 |
| 172.0.28.145 | 2885688465 | 0 |
| 172.0.28.146 | 2885688466 | 0 |
| 172.0.28.147 | 2885688467 | 0 |
| 172.0.28.148 | 2885688468 | 0 |
| 172.0.28.149 | 2885688469 | 0 |
| 172.0.28.150 | 2885688470 | 0 |
| 172.0.28.151 | 2885688471 | 0 |
| 172.0.28.152 | 2885688472 | 0 |
| 172.0.28.153 | 2885688473 | 0 |
| 172.0.28.154 | 2885688474 | 0 |
| 172.0.28.155 | 2885688475 | 0 |
| 172.0.28.156 | 2885688476 | 0 |
| 172.0.28.157 | 2885688477 | 0 |
| 172.0.28.158 | 2885688478 | 0 |
| 172.0.28.159 | 2885688479 | 0 |
| 172.0.28.160 | 2885688480 | 0 |
| 172.0.28.161 | 2885688481 | 0 |
| 172.0.28.162 | 2885688482 | 0 |
| 172.0.28.163 | 2885688483 | 0 |
| 172.0.28.164 | 2885688484 | 0 |
| 172.0.28.165 | 2885688485 | 0 |
| 172.0.28.166 | 2885688486 | 0 |
| 172.0.28.167 | 2885688487 | 0 |
| 172.0.28.168 | 2885688488 | 0 |
| 172.0.28.169 | 2885688489 | 0 |
| 172.0.28.170 | 2885688490 | 0 |
| 172.0.28.171 | 2885688491 | 0 |
| IP | Numerical IP | DNS |
| 172.0.28.172 | 2885688492 | 0 |
| 172.0.28.173 | 2885688493 | 0 |
| 172.0.28.174 | 2885688494 | 0 |
| 172.0.28.175 | 2885688495 | 0 |
| 172.0.28.176 | 2885688496 | 0 |
| 172.0.28.177 | 2885688497 | 0 |
| 172.0.28.178 | 2885688498 | 0 |
| 172.0.28.179 | 2885688499 | 0 |
| 172.0.28.180 | 2885688500 | 0 |
| 172.0.28.181 | 2885688501 | 0 |
| 172.0.28.182 | 2885688502 | 0 |
| 172.0.28.183 | 2885688503 | 0 |
| 172.0.28.184 | 2885688504 | 0 |
| 172.0.28.185 | 2885688505 | 0 |
| 172.0.28.186 | 2885688506 | 0 |
| 172.0.28.187 | 2885688507 | 0 |
| 172.0.28.188 | 2885688508 | 0 |
| 172.0.28.189 | 2885688509 | 0 |
| 172.0.28.190 | 2885688510 | 0 |
| 172.0.28.191 | 2885688511 | 0 |
| 172.0.28.192 | 2885688512 | 0 |
| 172.0.28.193 | 2885688513 | 0 |
| 172.0.28.194 | 2885688514 | 0 |
| 172.0.28.195 | 2885688515 | 0 |
| 172.0.28.196 | 2885688516 | 0 |
| 172.0.28.197 | 2885688517 | 0 |
| 172.0.28.198 | 2885688518 | 0 |
| 172.0.28.199 | 2885688519 | 0 |
| 172.0.28.200 | 2885688520 | 0 |
| 172.0.28.201 | 2885688521 | 0 |
| 172.0.28.202 | 2885688522 | 0 |
| 172.0.28.203 | 2885688523 | 0 |
| 172.0.28.204 | 2885688524 | 0 |
| 172.0.28.205 | 2885688525 | 0 |
| 172.0.28.206 | 2885688526 | 0 |
| 172.0.28.207 | 2885688527 | 0 |
| 172.0.28.208 | 2885688528 | 0 |
| 172.0.28.209 | 2885688529 | 0 |
| 172.0.28.210 | 2885688530 | 0 |
| 172.0.28.211 | 2885688531 | 0 |
| 172.0.28.212 | 2885688532 | 0 |
| 172.0.28.213 | 2885688533 | 0 |
| 172.0.28.214 | 2885688534 | 0 |
| 172.0.28.215 | 2885688535 | 0 |
| 172.0.28.216 | 2885688536 | 0 |
| 172.0.28.217 | 2885688537 | 0 |
| 172.0.28.218 | 2885688538 | 0 |
| 172.0.28.219 | 2885688539 | 0 |
| 172.0.28.220 | 2885688540 | 0 |
| 172.0.28.221 | 2885688541 | 0 |
| 172.0.28.222 | 2885688542 | 0 |
| 172.0.28.223 | 2885688543 | 0 |
| 172.0.28.224 | 2885688544 | 0 |
| 172.0.28.225 | 2885688545 | 0 |
| 172.0.28.226 | 2885688546 | 0 |
| 172.0.28.227 | 2885688547 | 0 |
| 172.0.28.228 | 2885688548 | 0 |
| 172.0.28.229 | 2885688549 | 0 |
| 172.0.28.230 | 2885688550 | 0 |
| 172.0.28.231 | 2885688551 | 0 |
| 172.0.28.232 | 2885688552 | 0 |
| 172.0.28.233 | 2885688553 | 0 |
| 172.0.28.234 | 2885688554 | 0 |
| 172.0.28.235 | 2885688555 | 0 |
| 172.0.28.236 | 2885688556 | 0 |
| 172.0.28.237 | 2885688557 | 0 |
| 172.0.28.238 | 2885688558 | 0 |
| 172.0.28.239 | 2885688559 | 0 |
| 172.0.28.240 | 2885688560 | 0 |
| 172.0.28.241 | 2885688561 | 0 |
| 172.0.28.242 | 2885688562 | 0 |
| 172.0.28.243 | 2885688563 | 0 |
| 172.0.28.244 | 2885688564 | 0 |
| 172.0.28.245 | 2885688565 | 0 |
| 172.0.28.246 | 2885688566 | 0 |
| 172.0.28.247 | 2885688567 | 0 |
| 172.0.28.248 | 2885688568 | 0 |
| 172.0.28.249 | 2885688569 | 0 |
| 172.0.28.250 | 2885688570 | 0 |
| 172.0.28.251 | 2885688571 | 0 |
| 172.0.28.252 | 2885688572 | 0 |
| 172.0.28.253 | 2885688573 | 0 |
| 172.0.28.254 | 2885688574 | 0 |
| 172.0.28.255 | 2885688575 | 0 |