Les adresses IP débutant par 99.56.203 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 99.56.0.0/13, le bloc IP comprant les adresses de 99.56.0.0 à 99.63.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 99.56.0.0 |
| IP se terminant par | 99.63.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 99.56.0.0/13 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 02/05/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Irvine | 33,6695 | -117,8231 | 2018-05-02 |
| MaxMind | US | États-Unis | - | Valencia | 34,4661 | -118,5747 | 2018-05-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.56.203.0 | 1664666368 | 0 |
| 99.56.203.1 | 1664666369 | 0 |
| 99.56.203.2 | 1664666370 | 0 |
| 99.56.203.3 | 1664666371 | 0 |
| 99.56.203.4 | 1664666372 | 0 |
| 99.56.203.5 | 1664666373 | 0 |
| 99.56.203.6 | 1664666374 | 0 |
| 99.56.203.7 | 1664666375 | 0 |
| 99.56.203.8 | 1664666376 | 0 |
| 99.56.203.9 | 1664666377 | 0 |
| 99.56.203.10 | 1664666378 | 0 |
| 99.56.203.11 | 1664666379 | 0 |
| 99.56.203.12 | 1664666380 | 0 |
| 99.56.203.13 | 1664666381 | 0 |
| 99.56.203.14 | 1664666382 | 0 |
| 99.56.203.15 | 1664666383 | 0 |
| 99.56.203.16 | 1664666384 | 0 |
| 99.56.203.17 | 1664666385 | 0 |
| 99.56.203.18 | 1664666386 | 0 |
| 99.56.203.19 | 1664666387 | 0 |
| 99.56.203.20 | 1664666388 | 0 |
| 99.56.203.21 | 1664666389 | 0 |
| 99.56.203.22 | 1664666390 | 0 |
| 99.56.203.23 | 1664666391 | 0 |
| 99.56.203.24 | 1664666392 | 0 |
| 99.56.203.25 | 1664666393 | 0 |
| 99.56.203.26 | 1664666394 | 0 |
| 99.56.203.27 | 1664666395 | 0 |
| 99.56.203.28 | 1664666396 | 0 |
| 99.56.203.29 | 1664666397 | 0 |
| 99.56.203.30 | 1664666398 | 0 |
| 99.56.203.31 | 1664666399 | 0 |
| 99.56.203.32 | 1664666400 | 0 |
| 99.56.203.33 | 1664666401 | 0 |
| 99.56.203.34 | 1664666402 | 0 |
| 99.56.203.35 | 1664666403 | 0 |
| 99.56.203.36 | 1664666404 | 0 |
| 99.56.203.37 | 1664666405 | 0 |
| 99.56.203.38 | 1664666406 | 0 |
| 99.56.203.39 | 1664666407 | 0 |
| 99.56.203.40 | 1664666408 | 0 |
| 99.56.203.41 | 1664666409 | 0 |
| 99.56.203.42 | 1664666410 | 0 |
| 99.56.203.43 | 1664666411 | 0 |
| 99.56.203.44 | 1664666412 | 0 |
| 99.56.203.45 | 1664666413 | 0 |
| 99.56.203.46 | 1664666414 | 0 |
| 99.56.203.47 | 1664666415 | 0 |
| 99.56.203.48 | 1664666416 | 0 |
| 99.56.203.49 | 1664666417 | 0 |
| 99.56.203.50 | 1664666418 | 0 |
| 99.56.203.51 | 1664666419 | 0 |
| 99.56.203.52 | 1664666420 | 0 |
| 99.56.203.53 | 1664666421 | 0 |
| 99.56.203.54 | 1664666422 | 0 |
| 99.56.203.55 | 1664666423 | 0 |
| 99.56.203.56 | 1664666424 | 0 |
| 99.56.203.57 | 1664666425 | 0 |
| 99.56.203.58 | 1664666426 | 0 |
| 99.56.203.59 | 1664666427 | 0 |
| 99.56.203.60 | 1664666428 | 0 |
| 99.56.203.61 | 1664666429 | 0 |
| 99.56.203.62 | 1664666430 | 0 |
| 99.56.203.63 | 1664666431 | 0 |
| 99.56.203.64 | 1664666432 | 0 |
| 99.56.203.65 | 1664666433 | 0 |
| 99.56.203.66 | 1664666434 | 0 |
| 99.56.203.67 | 1664666435 | 0 |
| 99.56.203.68 | 1664666436 | 0 |
| 99.56.203.69 | 1664666437 | 0 |
| 99.56.203.70 | 1664666438 | 0 |
| 99.56.203.71 | 1664666439 | 0 |
| 99.56.203.72 | 1664666440 | 0 |
| 99.56.203.73 | 1664666441 | 0 |
| 99.56.203.74 | 1664666442 | 0 |
| 99.56.203.75 | 1664666443 | 0 |
| 99.56.203.76 | 1664666444 | 0 |
| 99.56.203.77 | 1664666445 | 0 |
| 99.56.203.78 | 1664666446 | 0 |
| 99.56.203.79 | 1664666447 | 0 |
| 99.56.203.80 | 1664666448 | 0 |
| 99.56.203.81 | 1664666449 | 0 |
| 99.56.203.82 | 1664666450 | 0 |
| 99.56.203.83 | 1664666451 | 0 |
| 99.56.203.84 | 1664666452 | 0 |
| 99.56.203.85 | 1664666453 | 0 |