Les adresses IP débutant par 166.203.7 sont fournies par AT&T Mobility LLC, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.203.0.0/17, le bloc IP comprant les adresses de 166.203.0.0 à 166.203.127.255). Le numéro de système autonome (ASN) est 20057.
| ASN | 20057 |
| IP commençant par | 166.203.0.0 |
| IP se terminant par | 166.203.127.255 |
| Nom ASN | AT&T Mobility LLC |
| CDIR | 166.203.0.0/17 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 10/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | United States | - | Marion | 40,5584 | -85,6591 | 2017-08-10 |
| MaxMind | US | États-Unis | - | New York | 40,7694 | -73,9609 | 2017-08-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.203.7.0 | 2798323456 | 0 |
| 166.203.7.1 | 2798323457 | 0 |
| 166.203.7.2 | 2798323458 | 0 |
| 166.203.7.3 | 2798323459 | 0 |
| 166.203.7.4 | 2798323460 | 0 |
| 166.203.7.5 | 2798323461 | 0 |
| 166.203.7.6 | 2798323462 | 0 |
| 166.203.7.7 | 2798323463 | 0 |
| 166.203.7.8 | 2798323464 | 0 |
| 166.203.7.9 | 2798323465 | 0 |
| 166.203.7.10 | 2798323466 | 0 |
| 166.203.7.11 | 2798323467 | 0 |
| 166.203.7.12 | 2798323468 | 0 |
| 166.203.7.13 | 2798323469 | 0 |
| 166.203.7.14 | 2798323470 | 0 |
| 166.203.7.15 | 2798323471 | 0 |
| 166.203.7.16 | 2798323472 | 0 |
| 166.203.7.17 | 2798323473 | 0 |
| 166.203.7.18 | 2798323474 | 0 |
| 166.203.7.19 | 2798323475 | 0 |
| 166.203.7.20 | 2798323476 | 0 |
| 166.203.7.21 | 2798323477 | 0 |
| 166.203.7.22 | 2798323478 | 0 |
| 166.203.7.23 | 2798323479 | 0 |
| 166.203.7.24 | 2798323480 | 0 |
| 166.203.7.25 | 2798323481 | 0 |
| 166.203.7.26 | 2798323482 | 0 |
| 166.203.7.27 | 2798323483 | 0 |
| 166.203.7.28 | 2798323484 | 0 |
| 166.203.7.29 | 2798323485 | 0 |
| 166.203.7.30 | 2798323486 | 0 |
| 166.203.7.31 | 2798323487 | 0 |
| 166.203.7.32 | 2798323488 | 0 |
| 166.203.7.33 | 2798323489 | 0 |
| 166.203.7.34 | 2798323490 | 0 |
| 166.203.7.35 | 2798323491 | 0 |
| 166.203.7.36 | 2798323492 | 0 |
| 166.203.7.37 | 2798323493 | 0 |
| 166.203.7.38 | 2798323494 | 0 |
| 166.203.7.39 | 2798323495 | 0 |
| 166.203.7.40 | 2798323496 | 0 |
| 166.203.7.41 | 2798323497 | 0 |
| 166.203.7.42 | 2798323498 | 0 |
| 166.203.7.43 | 2798323499 | 0 |
| 166.203.7.44 | 2798323500 | 0 |
| 166.203.7.45 | 2798323501 | 0 |
| 166.203.7.46 | 2798323502 | 0 |
| 166.203.7.47 | 2798323503 | 0 |
| 166.203.7.48 | 2798323504 | 0 |
| 166.203.7.49 | 2798323505 | 0 |
| 166.203.7.50 | 2798323506 | 0 |
| 166.203.7.51 | 2798323507 | 0 |
| 166.203.7.52 | 2798323508 | 0 |
| 166.203.7.53 | 2798323509 | 0 |
| 166.203.7.54 | 2798323510 | 0 |
| 166.203.7.55 | 2798323511 | 0 |
| 166.203.7.56 | 2798323512 | 0 |
| 166.203.7.57 | 2798323513 | 0 |
| 166.203.7.58 | 2798323514 | 0 |
| 166.203.7.59 | 2798323515 | 0 |
| 166.203.7.60 | 2798323516 | 0 |
| 166.203.7.61 | 2798323517 | 0 |
| 166.203.7.62 | 2798323518 | 0 |
| 166.203.7.63 | 2798323519 | 0 |
| 166.203.7.64 | 2798323520 | 0 |
| 166.203.7.65 | 2798323521 | 0 |
| 166.203.7.66 | 2798323522 | 0 |
| 166.203.7.67 | 2798323523 | 0 |
| 166.203.7.68 | 2798323524 | 0 |
| 166.203.7.69 | 2798323525 | 0 |
| 166.203.7.70 | 2798323526 | 0 |
| 166.203.7.71 | 2798323527 | 0 |
| 166.203.7.72 | 2798323528 | 0 |
| 166.203.7.73 | 2798323529 | 0 |
| 166.203.7.74 | 2798323530 | 0 |
| 166.203.7.75 | 2798323531 | 0 |
| 166.203.7.76 | 2798323532 | 0 |
| 166.203.7.77 | 2798323533 | 0 |
| 166.203.7.78 | 2798323534 | 0 |
| 166.203.7.79 | 2798323535 | 0 |
| 166.203.7.80 | 2798323536 | 0 |
| 166.203.7.81 | 2798323537 | 0 |
| 166.203.7.82 | 2798323538 | 0 |
| 166.203.7.83 | 2798323539 | 0 |
| 166.203.7.84 | 2798323540 | 0 |
| 166.203.7.85 | 2798323541 | 0 |