Die IP-Adresse 166.71.72 erfolgt über AT&T Services, Inc., es hat gehören zu den GGDV (Classless Inter-Domain Routing) 166.72.0.0/16 (Bereich 166.72.0.0, 166.72.255.255). Die autonomen Systemnummer (ASN) ist 7018.
| ASN | 7018 |
| Ausgehend von IP | 166.72.0.0 |
| Beendigung durch IP | 166.72.255.255 |
| ASN-Namen | AT&T Services, Inc. |
| GGDV | 166.72.0.0/16 |
| Numerische IP | |
| Registrierung | arin |
| Letztes update | 14.08.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Philadelphia | 39,891 | -75,1792 | 2017-08-14 |
| MaxMind | US | USA | - | Philadelphia | 39,895 | -75,1671 | 2017-08-14 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.71.72.0 | 2789689344 | 0 |
| 166.71.72.1 | 2789689345 | 0 |
| 166.71.72.2 | 2789689346 | 0 |
| 166.71.72.3 | 2789689347 | 0 |
| 166.71.72.4 | 2789689348 | 0 |
| 166.71.72.5 | 2789689349 | 0 |
| 166.71.72.6 | 2789689350 | 0 |
| 166.71.72.7 | 2789689351 | 0 |
| 166.71.72.8 | 2789689352 | 0 |
| 166.71.72.9 | 2789689353 | 0 |
| 166.71.72.10 | 2789689354 | 0 |
| 166.71.72.11 | 2789689355 | 0 |
| 166.71.72.12 | 2789689356 | 0 |
| 166.71.72.13 | 2789689357 | 0 |
| 166.71.72.14 | 2789689358 | 0 |
| 166.71.72.15 | 2789689359 | 0 |
| 166.71.72.16 | 2789689360 | 0 |
| 166.71.72.17 | 2789689361 | 0 |
| 166.71.72.18 | 2789689362 | 0 |
| 166.71.72.19 | 2789689363 | 0 |
| 166.71.72.20 | 2789689364 | 0 |
| 166.71.72.21 | 2789689365 | 0 |
| 166.71.72.22 | 2789689366 | 0 |
| 166.71.72.23 | 2789689367 | 0 |
| 166.71.72.24 | 2789689368 | 0 |
| 166.71.72.25 | 2789689369 | 0 |
| 166.71.72.26 | 2789689370 | 0 |
| 166.71.72.27 | 2789689371 | 0 |
| 166.71.72.28 | 2789689372 | 0 |
| 166.71.72.29 | 2789689373 | 0 |
| 166.71.72.30 | 2789689374 | 0 |
| 166.71.72.31 | 2789689375 | 0 |
| 166.71.72.32 | 2789689376 | 0 |
| 166.71.72.33 | 2789689377 | 0 |
| 166.71.72.34 | 2789689378 | 0 |
| 166.71.72.35 | 2789689379 | 0 |
| 166.71.72.36 | 2789689380 | 0 |
| 166.71.72.37 | 2789689381 | 0 |
| 166.71.72.38 | 2789689382 | 0 |
| 166.71.72.39 | 2789689383 | 0 |
| 166.71.72.40 | 2789689384 | 0 |
| 166.71.72.41 | 2789689385 | 0 |
| 166.71.72.42 | 2789689386 | 0 |
| 166.71.72.43 | 2789689387 | 0 |
| 166.71.72.44 | 2789689388 | 0 |
| 166.71.72.45 | 2789689389 | 0 |
| 166.71.72.46 | 2789689390 | 0 |
| 166.71.72.47 | 2789689391 | 0 |
| 166.71.72.48 | 2789689392 | 0 |
| 166.71.72.49 | 2789689393 | 0 |
| 166.71.72.50 | 2789689394 | 0 |
| 166.71.72.51 | 2789689395 | 0 |
| 166.71.72.52 | 2789689396 | 0 |
| 166.71.72.53 | 2789689397 | 0 |
| 166.71.72.54 | 2789689398 | 0 |
| 166.71.72.55 | 2789689399 | 0 |
| 166.71.72.56 | 2789689400 | 0 |
| 166.71.72.57 | 2789689401 | 0 |
| 166.71.72.58 | 2789689402 | 0 |
| 166.71.72.59 | 2789689403 | 0 |
| 166.71.72.60 | 2789689404 | 0 |
| 166.71.72.61 | 2789689405 | 0 |
| 166.71.72.62 | 2789689406 | 0 |
| 166.71.72.63 | 2789689407 | 0 |
| 166.71.72.64 | 2789689408 | 0 |
| 166.71.72.65 | 2789689409 | 0 |
| 166.71.72.66 | 2789689410 | 0 |
| 166.71.72.67 | 2789689411 | 0 |
| 166.71.72.68 | 2789689412 | 0 |
| 166.71.72.69 | 2789689413 | 0 |
| 166.71.72.70 | 2789689414 | 0 |
| 166.71.72.71 | 2789689415 | 0 |
| 166.71.72.72 | 2789689416 | 0 |
| 166.71.72.73 | 2789689417 | 0 |
| 166.71.72.74 | 2789689418 | 0 |
| 166.71.72.75 | 2789689419 | 0 |
| 166.71.72.76 | 2789689420 | 0 |
| 166.71.72.77 | 2789689421 | 0 |
| 166.71.72.78 | 2789689422 | 0 |
| 166.71.72.79 | 2789689423 | 0 |
| 166.71.72.80 | 2789689424 | 0 |
| 166.71.72.81 | 2789689425 | 0 |
| 166.71.72.82 | 2789689426 | 0 |
| 166.71.72.83 | 2789689427 | 0 |
| 166.71.72.84 | 2789689428 | 0 |
| 166.71.72.85 | 2789689429 | 0 |