Die IP-Adresse 166.71.87 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 | 30.04.2018 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | Philadelphia | 39,891 | -75,1792 | 2018-04-30 |
| MaxMind | US | USA | - | Philadelphia | 39,895 | -75,1671 | 2018-04-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.71.87.0 | 2789693184 | 0 |
| 166.71.87.1 | 2789693185 | 0 |
| 166.71.87.2 | 2789693186 | 0 |
| 166.71.87.3 | 2789693187 | 0 |
| 166.71.87.4 | 2789693188 | 0 |
| 166.71.87.5 | 2789693189 | 0 |
| 166.71.87.6 | 2789693190 | 0 |
| 166.71.87.7 | 2789693191 | 0 |
| 166.71.87.8 | 2789693192 | 0 |
| 166.71.87.9 | 2789693193 | 0 |
| 166.71.87.10 | 2789693194 | 0 |
| 166.71.87.11 | 2789693195 | 0 |
| 166.71.87.12 | 2789693196 | 0 |
| 166.71.87.13 | 2789693197 | 0 |
| 166.71.87.14 | 2789693198 | 0 |
| 166.71.87.15 | 2789693199 | 0 |
| 166.71.87.16 | 2789693200 | 0 |
| 166.71.87.17 | 2789693201 | 0 |
| 166.71.87.18 | 2789693202 | 0 |
| 166.71.87.19 | 2789693203 | 0 |
| 166.71.87.20 | 2789693204 | 0 |
| 166.71.87.21 | 2789693205 | 0 |
| 166.71.87.22 | 2789693206 | 0 |
| 166.71.87.23 | 2789693207 | 0 |
| 166.71.87.24 | 2789693208 | 0 |
| 166.71.87.25 | 2789693209 | 0 |
| 166.71.87.26 | 2789693210 | 0 |
| 166.71.87.27 | 2789693211 | 0 |
| 166.71.87.28 | 2789693212 | 0 |
| 166.71.87.29 | 2789693213 | 0 |
| 166.71.87.30 | 2789693214 | 0 |
| 166.71.87.31 | 2789693215 | 0 |
| 166.71.87.32 | 2789693216 | 0 |
| 166.71.87.33 | 2789693217 | 0 |
| 166.71.87.34 | 2789693218 | 0 |
| 166.71.87.35 | 2789693219 | 0 |
| 166.71.87.36 | 2789693220 | 0 |
| 166.71.87.37 | 2789693221 | 0 |
| 166.71.87.38 | 2789693222 | 0 |
| 166.71.87.39 | 2789693223 | 0 |
| 166.71.87.40 | 2789693224 | 0 |
| 166.71.87.41 | 2789693225 | 0 |
| 166.71.87.42 | 2789693226 | 0 |
| 166.71.87.43 | 2789693227 | 0 |
| 166.71.87.44 | 2789693228 | 0 |
| 166.71.87.45 | 2789693229 | 0 |
| 166.71.87.46 | 2789693230 | 0 |
| 166.71.87.47 | 2789693231 | 0 |
| 166.71.87.48 | 2789693232 | 0 |
| 166.71.87.49 | 2789693233 | 0 |
| 166.71.87.50 | 2789693234 | 0 |
| 166.71.87.51 | 2789693235 | 0 |
| 166.71.87.52 | 2789693236 | 0 |
| 166.71.87.53 | 2789693237 | 0 |
| 166.71.87.54 | 2789693238 | 0 |
| 166.71.87.55 | 2789693239 | 0 |
| 166.71.87.56 | 2789693240 | 0 |
| 166.71.87.57 | 2789693241 | 0 |
| 166.71.87.58 | 2789693242 | 0 |
| 166.71.87.59 | 2789693243 | 0 |
| 166.71.87.60 | 2789693244 | 0 |
| 166.71.87.61 | 2789693245 | 0 |
| 166.71.87.62 | 2789693246 | 0 |
| 166.71.87.63 | 2789693247 | 0 |
| 166.71.87.64 | 2789693248 | 0 |
| 166.71.87.65 | 2789693249 | 0 |
| 166.71.87.66 | 2789693250 | 0 |
| 166.71.87.67 | 2789693251 | 0 |
| 166.71.87.68 | 2789693252 | 0 |
| 166.71.87.69 | 2789693253 | 0 |
| 166.71.87.70 | 2789693254 | 0 |
| 166.71.87.71 | 2789693255 | 0 |
| 166.71.87.72 | 2789693256 | 0 |
| 166.71.87.73 | 2789693257 | 0 |
| 166.71.87.74 | 2789693258 | 0 |
| 166.71.87.75 | 2789693259 | 0 |
| 166.71.87.76 | 2789693260 | 0 |
| 166.71.87.77 | 2789693261 | 0 |
| 166.71.87.78 | 2789693262 | 0 |
| 166.71.87.79 | 2789693263 | 0 |
| 166.71.87.80 | 2789693264 | 0 |
| 166.71.87.81 | 2789693265 | 0 |
| 166.71.87.82 | 2789693266 | 0 |
| 166.71.87.83 | 2789693267 | 0 |
| 166.71.87.84 | 2789693268 | 0 |
| 166.71.87.85 | 2789693269 | 0 |