Les adresses IP débutant par 166.71.83 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.72.0.0/16, le bloc IP comprant les adresses de 166.72.0.0 à 166.72.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 166.72.0.0 |
| IP se terminant par | 166.72.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 166.72.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 30/01/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Philadelphia | 39,891 | -75,1792 | 2018-01-29 |
| MaxMind | US | États-Unis | - | Philadelphia | 39,895 | -75,1671 | 2018-01-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.71.83.0 | 2789692160 | 0 |
| 166.71.83.1 | 2789692161 | 0 |
| 166.71.83.2 | 2789692162 | 0 |
| 166.71.83.3 | 2789692163 | 0 |
| 166.71.83.4 | 2789692164 | 0 |
| 166.71.83.5 | 2789692165 | 0 |
| 166.71.83.6 | 2789692166 | 0 |
| 166.71.83.7 | 2789692167 | 0 |
| 166.71.83.8 | 2789692168 | 0 |
| 166.71.83.9 | 2789692169 | 0 |
| 166.71.83.10 | 2789692170 | 0 |
| 166.71.83.11 | 2789692171 | 0 |
| 166.71.83.12 | 2789692172 | 0 |
| 166.71.83.13 | 2789692173 | 0 |
| 166.71.83.14 | 2789692174 | 0 |
| 166.71.83.15 | 2789692175 | 0 |
| 166.71.83.16 | 2789692176 | 0 |
| 166.71.83.17 | 2789692177 | 0 |
| 166.71.83.18 | 2789692178 | 0 |
| 166.71.83.19 | 2789692179 | 0 |
| 166.71.83.20 | 2789692180 | 0 |
| 166.71.83.21 | 2789692181 | 0 |
| 166.71.83.22 | 2789692182 | 0 |
| 166.71.83.23 | 2789692183 | 0 |
| 166.71.83.24 | 2789692184 | 0 |
| 166.71.83.25 | 2789692185 | 0 |
| 166.71.83.26 | 2789692186 | 0 |
| 166.71.83.27 | 2789692187 | 0 |
| 166.71.83.28 | 2789692188 | 0 |
| 166.71.83.29 | 2789692189 | 0 |
| 166.71.83.30 | 2789692190 | 0 |
| 166.71.83.31 | 2789692191 | 0 |
| 166.71.83.32 | 2789692192 | 0 |
| 166.71.83.33 | 2789692193 | 0 |
| 166.71.83.34 | 2789692194 | 0 |
| 166.71.83.35 | 2789692195 | 0 |
| 166.71.83.36 | 2789692196 | 0 |
| 166.71.83.37 | 2789692197 | 0 |
| 166.71.83.38 | 2789692198 | 0 |
| 166.71.83.39 | 2789692199 | 0 |
| 166.71.83.40 | 2789692200 | 0 |
| 166.71.83.41 | 2789692201 | 0 |
| 166.71.83.42 | 2789692202 | 0 |
| 166.71.83.43 | 2789692203 | 0 |
| 166.71.83.44 | 2789692204 | 0 |
| 166.71.83.45 | 2789692205 | 0 |
| 166.71.83.46 | 2789692206 | 0 |
| 166.71.83.47 | 2789692207 | 0 |
| 166.71.83.48 | 2789692208 | 0 |
| 166.71.83.49 | 2789692209 | 0 |
| 166.71.83.50 | 2789692210 | 0 |
| 166.71.83.51 | 2789692211 | 0 |
| 166.71.83.52 | 2789692212 | 0 |
| 166.71.83.53 | 2789692213 | 0 |
| 166.71.83.54 | 2789692214 | 0 |
| 166.71.83.55 | 2789692215 | 0 |
| 166.71.83.56 | 2789692216 | 0 |
| 166.71.83.57 | 2789692217 | 0 |
| 166.71.83.58 | 2789692218 | 0 |
| 166.71.83.59 | 2789692219 | 0 |
| 166.71.83.60 | 2789692220 | 0 |
| 166.71.83.61 | 2789692221 | 0 |
| 166.71.83.62 | 2789692222 | 0 |
| 166.71.83.63 | 2789692223 | 0 |
| 166.71.83.64 | 2789692224 | 0 |
| 166.71.83.65 | 2789692225 | 0 |
| 166.71.83.66 | 2789692226 | 0 |
| 166.71.83.67 | 2789692227 | 0 |
| 166.71.83.68 | 2789692228 | 0 |
| 166.71.83.69 | 2789692229 | 0 |
| 166.71.83.70 | 2789692230 | 0 |
| 166.71.83.71 | 2789692231 | 0 |
| 166.71.83.72 | 2789692232 | 0 |
| 166.71.83.73 | 2789692233 | 0 |
| 166.71.83.74 | 2789692234 | 0 |
| 166.71.83.75 | 2789692235 | 0 |
| 166.71.83.76 | 2789692236 | 0 |
| 166.71.83.77 | 2789692237 | 0 |
| 166.71.83.78 | 2789692238 | 0 |
| 166.71.83.79 | 2789692239 | 0 |
| 166.71.83.80 | 2789692240 | 0 |
| 166.71.83.81 | 2789692241 | 0 |
| 166.71.83.82 | 2789692242 | 0 |
| 166.71.83.83 | 2789692243 | 0 |
| 166.71.83.84 | 2789692244 | 0 |
| 166.71.83.85 | 2789692245 | 0 |