Les adresses IP débutant par 172.3.217 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 | 01/11/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | McAllen | 26,2034 | -98,23 | 2017-10-31 |
| MaxMind | US | États-Unis | - | San Antonio | 29,4821 | -98,4556 | 2017-10-31 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.3.217.0 | 2885933312 | 0 |
| 172.3.217.1 | 2885933313 | 0 |
| 172.3.217.2 | 2885933314 | 0 |
| 172.3.217.3 | 2885933315 | 0 |
| 172.3.217.4 | 2885933316 | 0 |
| 172.3.217.5 | 2885933317 | 0 |
| 172.3.217.6 | 2885933318 | 0 |
| 172.3.217.7 | 2885933319 | 0 |
| 172.3.217.8 | 2885933320 | 0 |
| 172.3.217.9 | 2885933321 | 0 |
| 172.3.217.10 | 2885933322 | 0 |
| 172.3.217.11 | 2885933323 | 0 |
| 172.3.217.12 | 2885933324 | 0 |
| 172.3.217.13 | 2885933325 | 0 |
| 172.3.217.14 | 2885933326 | 0 |
| 172.3.217.15 | 2885933327 | 0 |
| 172.3.217.16 | 2885933328 | 0 |
| 172.3.217.17 | 2885933329 | 0 |
| 172.3.217.18 | 2885933330 | 0 |
| 172.3.217.19 | 2885933331 | 0 |
| 172.3.217.20 | 2885933332 | 0 |
| 172.3.217.21 | 2885933333 | 0 |
| 172.3.217.22 | 2885933334 | 0 |
| 172.3.217.23 | 2885933335 | 0 |
| 172.3.217.24 | 2885933336 | 0 |
| 172.3.217.25 | 2885933337 | 0 |
| 172.3.217.26 | 2885933338 | 0 |
| 172.3.217.27 | 2885933339 | 0 |
| 172.3.217.28 | 2885933340 | 0 |
| 172.3.217.29 | 2885933341 | 0 |
| 172.3.217.30 | 2885933342 | 0 |
| 172.3.217.31 | 2885933343 | 0 |
| 172.3.217.32 | 2885933344 | 0 |
| 172.3.217.33 | 2885933345 | 0 |
| 172.3.217.34 | 2885933346 | 0 |
| 172.3.217.35 | 2885933347 | 0 |
| 172.3.217.36 | 2885933348 | 0 |
| 172.3.217.37 | 2885933349 | 0 |
| 172.3.217.38 | 2885933350 | 0 |
| 172.3.217.39 | 2885933351 | 0 |
| 172.3.217.40 | 2885933352 | 0 |
| 172.3.217.41 | 2885933353 | 0 |
| 172.3.217.42 | 2885933354 | 0 |
| 172.3.217.43 | 2885933355 | 0 |
| 172.3.217.44 | 2885933356 | 0 |
| 172.3.217.45 | 2885933357 | 0 |
| 172.3.217.46 | 2885933358 | 0 |
| 172.3.217.47 | 2885933359 | 0 |
| 172.3.217.48 | 2885933360 | 0 |
| 172.3.217.49 | 2885933361 | 0 |
| 172.3.217.50 | 2885933362 | 0 |
| 172.3.217.51 | 2885933363 | 0 |
| 172.3.217.52 | 2885933364 | 0 |
| 172.3.217.53 | 2885933365 | 0 |
| 172.3.217.54 | 2885933366 | 0 |
| 172.3.217.55 | 2885933367 | 0 |
| 172.3.217.56 | 2885933368 | 0 |
| 172.3.217.57 | 2885933369 | 0 |
| 172.3.217.58 | 2885933370 | 0 |
| 172.3.217.59 | 2885933371 | 0 |
| 172.3.217.60 | 2885933372 | 0 |
| 172.3.217.61 | 2885933373 | 0 |
| 172.3.217.62 | 2885933374 | 0 |
| 172.3.217.63 | 2885933375 | 0 |
| 172.3.217.64 | 2885933376 | 0 |
| 172.3.217.65 | 2885933377 | 0 |
| 172.3.217.66 | 2885933378 | 0 |
| 172.3.217.67 | 2885933379 | 0 |
| 172.3.217.68 | 2885933380 | 0 |
| 172.3.217.69 | 2885933381 | 0 |
| 172.3.217.70 | 2885933382 | 0 |
| 172.3.217.71 | 2885933383 | 0 |
| 172.3.217.72 | 2885933384 | 0 |
| 172.3.217.73 | 2885933385 | 0 |
| 172.3.217.74 | 2885933386 | 0 |
| 172.3.217.75 | 2885933387 | 0 |
| 172.3.217.76 | 2885933388 | 0 |
| 172.3.217.77 | 2885933389 | 0 |
| 172.3.217.78 | 2885933390 | 0 |
| 172.3.217.79 | 2885933391 | 0 |
| 172.3.217.80 | 2885933392 | 0 |
| 172.3.217.81 | 2885933393 | 0 |
| 172.3.217.82 | 2885933394 | 0 |
| 172.3.217.83 | 2885933395 | 0 |
| 172.3.217.84 | 2885933396 | 0 |
| 172.3.217.85 | 2885933397 | 0 |