Les adresses IP débutant par 172.2.243 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 | 11/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Santa Clara | 37,3541 | -121,9552 | 2017-07-11 |
| MaxMind | US | États-Unis | - | San Jose | 37,2828 | -121,8306 | 2017-07-11 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.2.243.0 | 2885874432 | 0 |
| 172.2.243.1 | 2885874433 | 0 |
| 172.2.243.2 | 2885874434 | 0 |
| 172.2.243.3 | 2885874435 | 0 |
| 172.2.243.4 | 2885874436 | 0 |
| 172.2.243.5 | 2885874437 | 0 |
| 172.2.243.6 | 2885874438 | 0 |
| 172.2.243.7 | 2885874439 | 0 |
| 172.2.243.8 | 2885874440 | 0 |
| 172.2.243.9 | 2885874441 | 0 |
| 172.2.243.10 | 2885874442 | 0 |
| 172.2.243.11 | 2885874443 | 0 |
| 172.2.243.12 | 2885874444 | 0 |
| 172.2.243.13 | 2885874445 | 0 |
| 172.2.243.14 | 2885874446 | 0 |
| 172.2.243.15 | 2885874447 | 0 |
| 172.2.243.16 | 2885874448 | 0 |
| 172.2.243.17 | 2885874449 | 0 |
| 172.2.243.18 | 2885874450 | 0 |
| 172.2.243.19 | 2885874451 | 0 |
| 172.2.243.20 | 2885874452 | 0 |
| 172.2.243.21 | 2885874453 | 0 |
| 172.2.243.22 | 2885874454 | 0 |
| 172.2.243.23 | 2885874455 | 0 |
| 172.2.243.24 | 2885874456 | 0 |
| 172.2.243.25 | 2885874457 | 0 |
| 172.2.243.26 | 2885874458 | 0 |
| 172.2.243.27 | 2885874459 | 0 |
| 172.2.243.28 | 2885874460 | 0 |
| 172.2.243.29 | 2885874461 | 0 |
| 172.2.243.30 | 2885874462 | 0 |
| 172.2.243.31 | 2885874463 | 0 |
| 172.2.243.32 | 2885874464 | 0 |
| 172.2.243.33 | 2885874465 | 0 |
| 172.2.243.34 | 2885874466 | 0 |
| 172.2.243.35 | 2885874467 | 0 |
| 172.2.243.36 | 2885874468 | 0 |
| 172.2.243.37 | 2885874469 | 0 |
| 172.2.243.38 | 2885874470 | 0 |
| 172.2.243.39 | 2885874471 | 0 |
| 172.2.243.40 | 2885874472 | 0 |
| 172.2.243.41 | 2885874473 | 0 |
| 172.2.243.42 | 2885874474 | 0 |
| 172.2.243.43 | 2885874475 | 0 |
| 172.2.243.44 | 2885874476 | 0 |
| 172.2.243.45 | 2885874477 | 0 |
| 172.2.243.46 | 2885874478 | 0 |
| 172.2.243.47 | 2885874479 | 0 |
| 172.2.243.48 | 2885874480 | 0 |
| 172.2.243.49 | 2885874481 | 0 |
| 172.2.243.50 | 2885874482 | 0 |
| 172.2.243.51 | 2885874483 | 0 |
| 172.2.243.52 | 2885874484 | 0 |
| 172.2.243.53 | 2885874485 | 0 |
| 172.2.243.54 | 2885874486 | 0 |
| 172.2.243.55 | 2885874487 | 0 |
| 172.2.243.56 | 2885874488 | 0 |
| 172.2.243.57 | 2885874489 | 0 |
| 172.2.243.58 | 2885874490 | 0 |
| 172.2.243.59 | 2885874491 | 0 |
| 172.2.243.60 | 2885874492 | 0 |
| 172.2.243.61 | 2885874493 | 0 |
| 172.2.243.62 | 2885874494 | 0 |
| 172.2.243.63 | 2885874495 | 0 |
| 172.2.243.64 | 2885874496 | 0 |
| 172.2.243.65 | 2885874497 | 0 |
| 172.2.243.66 | 2885874498 | 0 |
| 172.2.243.67 | 2885874499 | 0 |
| 172.2.243.68 | 2885874500 | 0 |
| 172.2.243.69 | 2885874501 | 0 |
| 172.2.243.70 | 2885874502 | 0 |
| 172.2.243.71 | 2885874503 | 0 |
| 172.2.243.72 | 2885874504 | 0 |
| 172.2.243.73 | 2885874505 | 0 |
| 172.2.243.74 | 2885874506 | 0 |
| 172.2.243.75 | 2885874507 | 0 |
| 172.2.243.76 | 2885874508 | 0 |
| 172.2.243.77 | 2885874509 | 0 |
| 172.2.243.78 | 2885874510 | 0 |
| 172.2.243.79 | 2885874511 | 0 |
| 172.2.243.80 | 2885874512 | 0 |
| 172.2.243.81 | 2885874513 | 0 |
| 172.2.243.82 | 2885874514 | 0 |
| 172.2.243.83 | 2885874515 | 0 |
| 172.2.243.84 | 2885874516 | 0 |
| 172.2.243.85 | 2885874517 | 0 |