Les adresses IP débutant par 172.4.239 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 | 27/10/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Richardson | 32,9482 | -96,7297 | 2017-10-27 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-10-27 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.4.239.0 | 2886004480 | 0 |
| 172.4.239.1 | 2886004481 | 0 |
| 172.4.239.2 | 2886004482 | 0 |
| 172.4.239.3 | 2886004483 | 0 |
| 172.4.239.4 | 2886004484 | 0 |
| 172.4.239.5 | 2886004485 | 0 |
| 172.4.239.6 | 2886004486 | 0 |
| 172.4.239.7 | 2886004487 | 0 |
| 172.4.239.8 | 2886004488 | 0 |
| 172.4.239.9 | 2886004489 | 0 |
| 172.4.239.10 | 2886004490 | 0 |
| 172.4.239.11 | 2886004491 | 0 |
| 172.4.239.12 | 2886004492 | 0 |
| 172.4.239.13 | 2886004493 | 0 |
| 172.4.239.14 | 2886004494 | 0 |
| 172.4.239.15 | 2886004495 | 0 |
| 172.4.239.16 | 2886004496 | 0 |
| 172.4.239.17 | 2886004497 | 0 |
| 172.4.239.18 | 2886004498 | 0 |
| 172.4.239.19 | 2886004499 | 0 |
| 172.4.239.20 | 2886004500 | 0 |
| 172.4.239.21 | 2886004501 | 0 |
| 172.4.239.22 | 2886004502 | 0 |
| 172.4.239.23 | 2886004503 | 0 |
| 172.4.239.24 | 2886004504 | 0 |
| 172.4.239.25 | 2886004505 | 0 |
| 172.4.239.26 | 2886004506 | 0 |
| 172.4.239.27 | 2886004507 | 0 |
| 172.4.239.28 | 2886004508 | 0 |
| 172.4.239.29 | 2886004509 | 0 |
| 172.4.239.30 | 2886004510 | 0 |
| 172.4.239.31 | 2886004511 | 0 |
| 172.4.239.32 | 2886004512 | 0 |
| 172.4.239.33 | 2886004513 | 0 |
| 172.4.239.34 | 2886004514 | 0 |
| 172.4.239.35 | 2886004515 | 0 |
| 172.4.239.36 | 2886004516 | 0 |
| 172.4.239.37 | 2886004517 | 0 |
| 172.4.239.38 | 2886004518 | 0 |
| 172.4.239.39 | 2886004519 | 0 |
| 172.4.239.40 | 2886004520 | 0 |
| 172.4.239.41 | 2886004521 | 0 |
| 172.4.239.42 | 2886004522 | 0 |
| 172.4.239.43 | 2886004523 | 0 |
| 172.4.239.44 | 2886004524 | 0 |
| 172.4.239.45 | 2886004525 | 0 |
| 172.4.239.46 | 2886004526 | 0 |
| 172.4.239.47 | 2886004527 | 0 |
| 172.4.239.48 | 2886004528 | 0 |
| 172.4.239.49 | 2886004529 | 0 |
| 172.4.239.50 | 2886004530 | 0 |
| 172.4.239.51 | 2886004531 | 0 |
| 172.4.239.52 | 2886004532 | 0 |
| 172.4.239.53 | 2886004533 | 0 |
| 172.4.239.54 | 2886004534 | 0 |
| 172.4.239.55 | 2886004535 | 0 |
| 172.4.239.56 | 2886004536 | 0 |
| 172.4.239.57 | 2886004537 | 0 |
| 172.4.239.58 | 2886004538 | 0 |
| 172.4.239.59 | 2886004539 | 0 |
| 172.4.239.60 | 2886004540 | 0 |
| 172.4.239.61 | 2886004541 | 0 |
| 172.4.239.62 | 2886004542 | 0 |
| 172.4.239.63 | 2886004543 | 0 |
| 172.4.239.64 | 2886004544 | 0 |
| 172.4.239.65 | 2886004545 | 0 |
| 172.4.239.66 | 2886004546 | 0 |
| 172.4.239.67 | 2886004547 | 0 |
| 172.4.239.68 | 2886004548 | 0 |
| 172.4.239.69 | 2886004549 | 0 |
| 172.4.239.70 | 2886004550 | 0 |
| 172.4.239.71 | 2886004551 | 0 |
| 172.4.239.72 | 2886004552 | 0 |
| 172.4.239.73 | 2886004553 | 0 |
| 172.4.239.74 | 2886004554 | 0 |
| 172.4.239.75 | 2886004555 | 0 |
| 172.4.239.76 | 2886004556 | 0 |
| 172.4.239.77 | 2886004557 | 0 |
| 172.4.239.78 | 2886004558 | 0 |
| 172.4.239.79 | 2886004559 | 0 |
| 172.4.239.80 | 2886004560 | 0 |
| 172.4.239.81 | 2886004561 | 0 |
| 172.4.239.82 | 2886004562 | 0 |
| 172.4.239.83 | 2886004563 | 0 |
| 172.4.239.84 | 2886004564 | 0 |
| 172.4.239.85 | 2886004565 | 0 |