Les adresses IP débutant par 99.172.81 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 99.168.0.0/13, le bloc IP comprant les adresses de 99.168.0.0 à 99.175.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 99.168.0.0 |
| IP se terminant par | 99.175.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 99.168.0.0/13 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 24/08/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Richardson | 32,9924 | -96,6821 | 2018-08-24 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-08-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.172.81.0 | 1672237312 | 0 |
| 99.172.81.1 | 1672237313 | 0 |
| 99.172.81.2 | 1672237314 | 0 |
| 99.172.81.3 | 1672237315 | 0 |
| 99.172.81.4 | 1672237316 | 0 |
| 99.172.81.5 | 1672237317 | 0 |
| 99.172.81.6 | 1672237318 | 0 |
| 99.172.81.7 | 1672237319 | 0 |
| 99.172.81.8 | 1672237320 | 0 |
| 99.172.81.9 | 1672237321 | 0 |
| 99.172.81.10 | 1672237322 | 0 |
| 99.172.81.11 | 1672237323 | 0 |
| 99.172.81.12 | 1672237324 | 0 |
| 99.172.81.13 | 1672237325 | 0 |
| 99.172.81.14 | 1672237326 | 0 |
| 99.172.81.15 | 1672237327 | 0 |
| 99.172.81.16 | 1672237328 | 0 |
| 99.172.81.17 | 1672237329 | 0 |
| 99.172.81.18 | 1672237330 | 0 |
| 99.172.81.19 | 1672237331 | 0 |
| 99.172.81.20 | 1672237332 | 0 |
| 99.172.81.21 | 1672237333 | 0 |
| 99.172.81.22 | 1672237334 | 0 |
| 99.172.81.23 | 1672237335 | 0 |
| 99.172.81.24 | 1672237336 | 0 |
| 99.172.81.25 | 1672237337 | 0 |
| 99.172.81.26 | 1672237338 | 0 |
| 99.172.81.27 | 1672237339 | 0 |
| 99.172.81.28 | 1672237340 | 0 |
| 99.172.81.29 | 1672237341 | 0 |
| 99.172.81.30 | 1672237342 | 0 |
| 99.172.81.31 | 1672237343 | 0 |
| 99.172.81.32 | 1672237344 | 0 |
| 99.172.81.33 | 1672237345 | 0 |
| 99.172.81.34 | 1672237346 | 0 |
| 99.172.81.35 | 1672237347 | 0 |
| 99.172.81.36 | 1672237348 | 0 |
| 99.172.81.37 | 1672237349 | 0 |
| 99.172.81.38 | 1672237350 | 0 |
| 99.172.81.39 | 1672237351 | 0 |
| 99.172.81.40 | 1672237352 | 0 |
| 99.172.81.41 | 1672237353 | 0 |
| 99.172.81.42 | 1672237354 | 0 |
| 99.172.81.43 | 1672237355 | 0 |
| 99.172.81.44 | 1672237356 | 0 |
| 99.172.81.45 | 1672237357 | 0 |
| 99.172.81.46 | 1672237358 | 0 |
| 99.172.81.47 | 1672237359 | 0 |
| 99.172.81.48 | 1672237360 | 0 |
| 99.172.81.49 | 1672237361 | 0 |
| 99.172.81.50 | 1672237362 | 0 |
| 99.172.81.51 | 1672237363 | 0 |
| 99.172.81.52 | 1672237364 | 0 |
| 99.172.81.53 | 1672237365 | 0 |
| 99.172.81.54 | 1672237366 | 0 |
| 99.172.81.55 | 1672237367 | 0 |
| 99.172.81.56 | 1672237368 | 0 |
| 99.172.81.57 | 1672237369 | 0 |
| 99.172.81.58 | 1672237370 | 0 |
| 99.172.81.59 | 1672237371 | 0 |
| 99.172.81.60 | 1672237372 | 0 |
| 99.172.81.61 | 1672237373 | 0 |
| 99.172.81.62 | 1672237374 | 0 |
| 99.172.81.63 | 1672237375 | 0 |
| 99.172.81.64 | 1672237376 | 0 |
| 99.172.81.65 | 1672237377 | 0 |
| 99.172.81.66 | 1672237378 | 0 |
| 99.172.81.67 | 1672237379 | 0 |
| 99.172.81.68 | 1672237380 | 0 |
| 99.172.81.69 | 1672237381 | 0 |
| 99.172.81.70 | 1672237382 | 0 |
| 99.172.81.71 | 1672237383 | 0 |
| 99.172.81.72 | 1672237384 | 0 |
| 99.172.81.73 | 1672237385 | 0 |
| 99.172.81.74 | 1672237386 | 0 |
| 99.172.81.75 | 1672237387 | 0 |
| 99.172.81.76 | 1672237388 | 0 |
| 99.172.81.77 | 1672237389 | 0 |
| 99.172.81.78 | 1672237390 | 0 |
| 99.172.81.79 | 1672237391 | 0 |
| 99.172.81.80 | 1672237392 | 0 |
| 99.172.81.81 | 1672237393 | 0 |
| 99.172.81.82 | 1672237394 | 0 |
| 99.172.81.83 | 1672237395 | 0 |
| 99.172.81.84 | 1672237396 | 0 |
| 99.172.81.85 | 1672237397 | 0 |