La dirección IP 166.71.21 es proporcionada por AT&T Services, Inc., que es propiedad de la CIDR (Classless Inter-Domain Routing) 166.72.0.0/16, IP entre 166.72.0.0 a 166.72.255.255 ). El número de sistema autónomo (ASN) es 7018.
| ASN | 7018 |
| IP que comienzan con | 166.72.0.0 |
| IP que termina con | 166.72.255.255 |
| ASN Nombre | AT&T Services, Inc. |
| CDIR | 166.72.0.0/16 |
| IP numérica | |
| Registe | arin |
| Última actualización | 29/12/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Lake Mary | 28,7599 | -81,3458 | 2018-12-29 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-12-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.71.21.0 | 2789676288 | 0 |
| 166.71.21.1 | 2789676289 | 0 |
| 166.71.21.2 | 2789676290 | 0 |
| 166.71.21.3 | 2789676291 | 0 |
| 166.71.21.4 | 2789676292 | 0 |
| 166.71.21.5 | 2789676293 | 0 |
| 166.71.21.6 | 2789676294 | 0 |
| 166.71.21.7 | 2789676295 | 0 |
| 166.71.21.8 | 2789676296 | 0 |
| 166.71.21.9 | 2789676297 | 0 |
| 166.71.21.10 | 2789676298 | 0 |
| 166.71.21.11 | 2789676299 | 0 |
| 166.71.21.12 | 2789676300 | 0 |
| 166.71.21.13 | 2789676301 | 0 |
| 166.71.21.14 | 2789676302 | 0 |
| 166.71.21.15 | 2789676303 | 0 |
| 166.71.21.16 | 2789676304 | 0 |
| 166.71.21.17 | 2789676305 | 0 |
| 166.71.21.18 | 2789676306 | 0 |
| 166.71.21.19 | 2789676307 | 0 |
| 166.71.21.20 | 2789676308 | 0 |
| 166.71.21.21 | 2789676309 | 0 |
| 166.71.21.22 | 2789676310 | 0 |
| 166.71.21.23 | 2789676311 | 0 |
| 166.71.21.24 | 2789676312 | 0 |
| 166.71.21.25 | 2789676313 | 0 |
| 166.71.21.26 | 2789676314 | 0 |
| 166.71.21.27 | 2789676315 | 0 |
| 166.71.21.28 | 2789676316 | 0 |
| 166.71.21.29 | 2789676317 | 0 |
| 166.71.21.30 | 2789676318 | 0 |
| 166.71.21.31 | 2789676319 | 0 |
| 166.71.21.32 | 2789676320 | 0 |
| 166.71.21.33 | 2789676321 | 0 |
| 166.71.21.34 | 2789676322 | 0 |
| 166.71.21.35 | 2789676323 | 0 |
| 166.71.21.36 | 2789676324 | 0 |
| 166.71.21.37 | 2789676325 | 0 |
| 166.71.21.38 | 2789676326 | 0 |
| 166.71.21.39 | 2789676327 | 0 |
| 166.71.21.40 | 2789676328 | 0 |
| 166.71.21.41 | 2789676329 | 0 |
| 166.71.21.42 | 2789676330 | 0 |
| 166.71.21.43 | 2789676331 | 0 |
| 166.71.21.44 | 2789676332 | 0 |
| 166.71.21.45 | 2789676333 | 0 |
| 166.71.21.46 | 2789676334 | 0 |
| 166.71.21.47 | 2789676335 | 0 |
| 166.71.21.48 | 2789676336 | 0 |
| 166.71.21.49 | 2789676337 | 0 |
| 166.71.21.50 | 2789676338 | 0 |
| 166.71.21.51 | 2789676339 | 0 |
| 166.71.21.52 | 2789676340 | 0 |
| 166.71.21.53 | 2789676341 | 0 |
| 166.71.21.54 | 2789676342 | 0 |
| 166.71.21.55 | 2789676343 | 0 |
| 166.71.21.56 | 2789676344 | 0 |
| 166.71.21.57 | 2789676345 | 0 |
| 166.71.21.58 | 2789676346 | 0 |
| 166.71.21.59 | 2789676347 | 0 |
| 166.71.21.60 | 2789676348 | 0 |
| 166.71.21.61 | 2789676349 | 0 |
| 166.71.21.62 | 2789676350 | 0 |
| 166.71.21.63 | 2789676351 | 0 |
| 166.71.21.64 | 2789676352 | 0 |
| 166.71.21.65 | 2789676353 | 0 |
| 166.71.21.66 | 2789676354 | 0 |
| 166.71.21.67 | 2789676355 | 0 |
| 166.71.21.68 | 2789676356 | 0 |
| 166.71.21.69 | 2789676357 | 0 |
| 166.71.21.70 | 2789676358 | 0 |
| 166.71.21.71 | 2789676359 | 0 |
| 166.71.21.72 | 2789676360 | 0 |
| 166.71.21.73 | 2789676361 | 0 |
| 166.71.21.74 | 2789676362 | 0 |
| 166.71.21.75 | 2789676363 | 0 |
| 166.71.21.76 | 2789676364 | 0 |
| 166.71.21.77 | 2789676365 | 0 |
| 166.71.21.78 | 2789676366 | 0 |
| 166.71.21.79 | 2789676367 | 0 |
| 166.71.21.80 | 2789676368 | 0 |
| 166.71.21.81 | 2789676369 | 0 |
| 166.71.21.82 | 2789676370 | 0 |
| 166.71.21.83 | 2789676371 | 0 |
| 166.71.21.84 | 2789676372 | 0 |
| 166.71.21.85 | 2789676373 | 0 |