Les adresses IP débutant par 99.21.167 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 99.16.0.0/12, le bloc IP comprant les adresses de 99.16.0.0 à 99.31.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 99.16.0.0 |
| IP se terminant par | 99.31.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 99.16.0.0/12 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 26/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Chicago | 41,85 | -87,6501 | 2017-07-25 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-25 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.21.167.0 | 1662363392 | 0 |
| 99.21.167.1 | 1662363393 | 0 |
| 99.21.167.2 | 1662363394 | 0 |
| 99.21.167.3 | 1662363395 | 0 |
| 99.21.167.4 | 1662363396 | 0 |
| 99.21.167.5 | 1662363397 | 0 |
| 99.21.167.6 | 1662363398 | 0 |
| 99.21.167.7 | 1662363399 | 0 |
| 99.21.167.8 | 1662363400 | 0 |
| 99.21.167.9 | 1662363401 | 0 |
| 99.21.167.10 | 1662363402 | 0 |
| 99.21.167.11 | 1662363403 | 0 |
| 99.21.167.12 | 1662363404 | 0 |
| 99.21.167.13 | 1662363405 | 0 |
| 99.21.167.14 | 1662363406 | 0 |
| 99.21.167.15 | 1662363407 | 0 |
| 99.21.167.16 | 1662363408 | 0 |
| 99.21.167.17 | 1662363409 | 0 |
| 99.21.167.18 | 1662363410 | 0 |
| 99.21.167.19 | 1662363411 | 0 |
| 99.21.167.20 | 1662363412 | 0 |
| 99.21.167.21 | 1662363413 | 0 |
| 99.21.167.22 | 1662363414 | 0 |
| 99.21.167.23 | 1662363415 | 0 |
| 99.21.167.24 | 1662363416 | 0 |
| 99.21.167.25 | 1662363417 | 0 |
| 99.21.167.26 | 1662363418 | 0 |
| 99.21.167.27 | 1662363419 | 0 |
| 99.21.167.28 | 1662363420 | 0 |
| 99.21.167.29 | 1662363421 | 0 |
| 99.21.167.30 | 1662363422 | 0 |
| 99.21.167.31 | 1662363423 | 0 |
| 99.21.167.32 | 1662363424 | 0 |
| 99.21.167.33 | 1662363425 | 0 |
| 99.21.167.34 | 1662363426 | 0 |
| 99.21.167.35 | 1662363427 | 0 |
| 99.21.167.36 | 1662363428 | 0 |
| 99.21.167.37 | 1662363429 | 0 |
| 99.21.167.38 | 1662363430 | 0 |
| 99.21.167.39 | 1662363431 | 0 |
| 99.21.167.40 | 1662363432 | 0 |
| 99.21.167.41 | 1662363433 | 0 |
| 99.21.167.42 | 1662363434 | 0 |
| 99.21.167.43 | 1662363435 | 0 |
| 99.21.167.44 | 1662363436 | 0 |
| 99.21.167.45 | 1662363437 | 0 |
| 99.21.167.46 | 1662363438 | 0 |
| 99.21.167.47 | 1662363439 | 0 |
| 99.21.167.48 | 1662363440 | 0 |
| 99.21.167.49 | 1662363441 | 0 |
| 99.21.167.50 | 1662363442 | 0 |
| 99.21.167.51 | 1662363443 | 0 |
| 99.21.167.52 | 1662363444 | 0 |
| 99.21.167.53 | 1662363445 | 0 |
| 99.21.167.54 | 1662363446 | 0 |
| 99.21.167.55 | 1662363447 | 0 |
| 99.21.167.56 | 1662363448 | 0 |
| 99.21.167.57 | 1662363449 | 0 |
| 99.21.167.58 | 1662363450 | 0 |
| 99.21.167.59 | 1662363451 | 0 |
| 99.21.167.60 | 1662363452 | 0 |
| 99.21.167.61 | 1662363453 | 0 |
| 99.21.167.62 | 1662363454 | 0 |
| 99.21.167.63 | 1662363455 | 0 |
| 99.21.167.64 | 1662363456 | 0 |
| 99.21.167.65 | 1662363457 | 0 |
| 99.21.167.66 | 1662363458 | 0 |
| 99.21.167.67 | 1662363459 | 0 |
| 99.21.167.68 | 1662363460 | 0 |
| 99.21.167.69 | 1662363461 | 0 |
| 99.21.167.70 | 1662363462 | 0 |
| 99.21.167.71 | 1662363463 | 0 |
| 99.21.167.72 | 1662363464 | 0 |
| 99.21.167.73 | 1662363465 | 0 |
| 99.21.167.74 | 1662363466 | 0 |
| 99.21.167.75 | 1662363467 | 0 |
| 99.21.167.76 | 1662363468 | 0 |
| 99.21.167.77 | 1662363469 | 0 |
| 99.21.167.78 | 1662363470 | 0 |
| 99.21.167.79 | 1662363471 | 0 |
| 99.21.167.80 | 1662363472 | 0 |
| 99.21.167.81 | 1662363473 | 0 |
| 99.21.167.82 | 1662363474 | 0 |
| 99.21.167.83 | 1662363475 | 0 |
| 99.21.167.84 | 1662363476 | 0 |
| 99.21.167.85 | 1662363477 | 0 |