Les adresses IP débutant par 12.81.41 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, le bloc IP comprant les adresses de 12.0.0.0 à 12.255.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 12.0.0.0 |
| IP se terminant par | 12.255.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 21/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Morristown | 40,8077 | -74,4988 | 2017-07-20 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.81.41.0 | 206645504 | 0 |
| 12.81.41.1 | 206645505 | 0 |
| 12.81.41.2 | 206645506 | 0 |
| 12.81.41.3 | 206645507 | 0 |
| 12.81.41.4 | 206645508 | 0 |
| 12.81.41.5 | 206645509 | 0 |
| 12.81.41.6 | 206645510 | 0 |
| 12.81.41.7 | 206645511 | 0 |
| 12.81.41.8 | 206645512 | 0 |
| 12.81.41.9 | 206645513 | 0 |
| 12.81.41.10 | 206645514 | 0 |
| 12.81.41.11 | 206645515 | 0 |
| 12.81.41.12 | 206645516 | 0 |
| 12.81.41.13 | 206645517 | 0 |
| 12.81.41.14 | 206645518 | 0 |
| 12.81.41.15 | 206645519 | 0 |
| 12.81.41.16 | 206645520 | 0 |
| 12.81.41.17 | 206645521 | 0 |
| 12.81.41.18 | 206645522 | 0 |
| 12.81.41.19 | 206645523 | 0 |
| 12.81.41.20 | 206645524 | 0 |
| 12.81.41.21 | 206645525 | 0 |
| 12.81.41.22 | 206645526 | 0 |
| 12.81.41.23 | 206645527 | 0 |
| 12.81.41.24 | 206645528 | 0 |
| 12.81.41.25 | 206645529 | 0 |
| 12.81.41.26 | 206645530 | 0 |
| 12.81.41.27 | 206645531 | 0 |
| 12.81.41.28 | 206645532 | 0 |
| 12.81.41.29 | 206645533 | 0 |
| 12.81.41.30 | 206645534 | 0 |
| 12.81.41.31 | 206645535 | 0 |
| 12.81.41.32 | 206645536 | 0 |
| 12.81.41.33 | 206645537 | 0 |
| 12.81.41.34 | 206645538 | 0 |
| 12.81.41.35 | 206645539 | 0 |
| 12.81.41.36 | 206645540 | 0 |
| 12.81.41.37 | 206645541 | 0 |
| 12.81.41.38 | 206645542 | 0 |
| 12.81.41.39 | 206645543 | 0 |
| 12.81.41.40 | 206645544 | 0 |
| 12.81.41.41 | 206645545 | 0 |
| 12.81.41.42 | 206645546 | 0 |
| 12.81.41.43 | 206645547 | 0 |
| 12.81.41.44 | 206645548 | 0 |
| 12.81.41.45 | 206645549 | 0 |
| 12.81.41.46 | 206645550 | 0 |
| 12.81.41.47 | 206645551 | 0 |
| 12.81.41.48 | 206645552 | 0 |
| 12.81.41.49 | 206645553 | 0 |
| 12.81.41.50 | 206645554 | 0 |
| 12.81.41.51 | 206645555 | 0 |
| 12.81.41.52 | 206645556 | 0 |
| 12.81.41.53 | 206645557 | 0 |
| 12.81.41.54 | 206645558 | 0 |
| 12.81.41.55 | 206645559 | 0 |
| 12.81.41.56 | 206645560 | 0 |
| 12.81.41.57 | 206645561 | 0 |
| 12.81.41.58 | 206645562 | 0 |
| 12.81.41.59 | 206645563 | 0 |
| 12.81.41.60 | 206645564 | 0 |
| 12.81.41.61 | 206645565 | 0 |
| 12.81.41.62 | 206645566 | 0 |
| 12.81.41.63 | 206645567 | 0 |
| 12.81.41.64 | 206645568 | 0 |
| 12.81.41.65 | 206645569 | 0 |
| 12.81.41.66 | 206645570 | 0 |
| 12.81.41.67 | 206645571 | 0 |
| 12.81.41.68 | 206645572 | 0 |
| 12.81.41.69 | 206645573 | 0 |
| 12.81.41.70 | 206645574 | 0 |
| 12.81.41.71 | 206645575 | 0 |
| 12.81.41.72 | 206645576 | 0 |
| 12.81.41.73 | 206645577 | 0 |
| 12.81.41.74 | 206645578 | 0 |
| 12.81.41.75 | 206645579 | 0 |
| 12.81.41.76 | 206645580 | 0 |
| 12.81.41.77 | 206645581 | 0 |
| 12.81.41.78 | 206645582 | 0 |
| 12.81.41.79 | 206645583 | 0 |
| 12.81.41.80 | 206645584 | 0 |
| 12.81.41.81 | 206645585 | 0 |
| 12.81.41.82 | 206645586 | 0 |
| 12.81.41.83 | 206645587 | 0 |
| 12.81.41.84 | 206645588 | 0 |
| 12.81.41.85 | 206645589 | 0 |