Les adresses IP débutant par 66.123.63 sont fournies par AT&T Internet Services, elles appartiennent au CIDR (Classless Inter-Domain Routing) 66.120.0.0/13, le bloc IP comprant les adresses de 66.120.0.0 à 66.127.255.255). Le numéro de système autonome (ASN) est 7132.
| ASN | 7132 |
| IP commençant par | 66.120.0.0 |
| IP se terminant par | 66.127.255.255 |
| Nom ASN | AT&T Internet Services |
| CDIR | 66.120.0.0/13 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 08/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | San Francisco | 37,7913 | -122,4008 | 2017-08-08 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-08-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 66.123.63.0 | 1115373312 | 0 |
| 66.123.63.1 | 1115373313 | 0 |
| 66.123.63.2 | 1115373314 | 0 |
| 66.123.63.3 | 1115373315 | 0 |
| 66.123.63.4 | 1115373316 | 0 |
| 66.123.63.5 | 1115373317 | 0 |
| 66.123.63.6 | 1115373318 | 0 |
| 66.123.63.7 | 1115373319 | 0 |
| 66.123.63.8 | 1115373320 | 0 |
| 66.123.63.9 | 1115373321 | 0 |
| 66.123.63.10 | 1115373322 | 0 |
| 66.123.63.11 | 1115373323 | 0 |
| 66.123.63.12 | 1115373324 | 0 |
| 66.123.63.13 | 1115373325 | 0 |
| 66.123.63.14 | 1115373326 | 0 |
| 66.123.63.15 | 1115373327 | 0 |
| 66.123.63.16 | 1115373328 | 0 |
| 66.123.63.17 | 1115373329 | 0 |
| 66.123.63.18 | 1115373330 | 0 |
| 66.123.63.19 | 1115373331 | 0 |
| 66.123.63.20 | 1115373332 | 0 |
| 66.123.63.21 | 1115373333 | 0 |
| 66.123.63.22 | 1115373334 | 0 |
| 66.123.63.23 | 1115373335 | 0 |
| 66.123.63.24 | 1115373336 | 0 |
| 66.123.63.25 | 1115373337 | 0 |
| 66.123.63.26 | 1115373338 | 0 |
| 66.123.63.27 | 1115373339 | 0 |
| 66.123.63.28 | 1115373340 | 0 |
| 66.123.63.29 | 1115373341 | 0 |
| 66.123.63.30 | 1115373342 | 0 |
| 66.123.63.31 | 1115373343 | 0 |
| 66.123.63.32 | 1115373344 | 0 |
| 66.123.63.33 | 1115373345 | 0 |
| 66.123.63.34 | 1115373346 | 0 |
| 66.123.63.35 | 1115373347 | 0 |
| 66.123.63.36 | 1115373348 | 0 |
| 66.123.63.37 | 1115373349 | 0 |
| 66.123.63.38 | 1115373350 | 0 |
| 66.123.63.39 | 1115373351 | 0 |
| 66.123.63.40 | 1115373352 | 0 |
| 66.123.63.41 | 1115373353 | 0 |
| 66.123.63.42 | 1115373354 | 0 |
| 66.123.63.43 | 1115373355 | 0 |
| 66.123.63.44 | 1115373356 | 0 |
| 66.123.63.45 | 1115373357 | 0 |
| 66.123.63.46 | 1115373358 | 0 |
| 66.123.63.47 | 1115373359 | 0 |
| 66.123.63.48 | 1115373360 | 0 |
| 66.123.63.49 | 1115373361 | 0 |
| 66.123.63.50 | 1115373362 | 0 |
| 66.123.63.51 | 1115373363 | 0 |
| 66.123.63.52 | 1115373364 | 0 |
| 66.123.63.53 | 1115373365 | 0 |
| 66.123.63.54 | 1115373366 | 0 |
| 66.123.63.55 | 1115373367 | 0 |
| 66.123.63.56 | 1115373368 | 0 |
| 66.123.63.57 | 1115373369 | 0 |
| 66.123.63.58 | 1115373370 | 0 |
| 66.123.63.59 | 1115373371 | 0 |
| 66.123.63.60 | 1115373372 | 0 |
| 66.123.63.61 | 1115373373 | 0 |
| 66.123.63.62 | 1115373374 | 0 |
| 66.123.63.63 | 1115373375 | 0 |
| 66.123.63.64 | 1115373376 | 0 |
| 66.123.63.65 | 1115373377 | 0 |
| 66.123.63.66 | 1115373378 | 0 |
| 66.123.63.67 | 1115373379 | 0 |
| 66.123.63.68 | 1115373380 | 0 |
| 66.123.63.69 | 1115373381 | 0 |
| 66.123.63.70 | 1115373382 | 0 |
| 66.123.63.71 | 1115373383 | 0 |
| 66.123.63.72 | 1115373384 | 0 |
| 66.123.63.73 | 1115373385 | 0 |
| 66.123.63.74 | 1115373386 | 0 |
| 66.123.63.75 | 1115373387 | 0 |
| 66.123.63.76 | 1115373388 | 0 |
| 66.123.63.77 | 1115373389 | 0 |
| 66.123.63.78 | 1115373390 | 0 |
| 66.123.63.79 | 1115373391 | 0 |
| 66.123.63.80 | 1115373392 | 0 |
| 66.123.63.81 | 1115373393 | 0 |
| 66.123.63.82 | 1115373394 | 0 |
| 66.123.63.83 | 1115373395 | 0 |
| 66.123.63.84 | 1115373396 | 0 |
| 66.123.63.85 | 1115373397 | 0 |