Les adresses IP débutant par 99.81.181 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 99.64.0.0/11, le bloc IP comprant les adresses de 99.64.0.0 à 99.95.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 99.64.0.0 |
| IP se terminant par | 99.95.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 99.64.0.0/11 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 12/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Richardson | 32,9924 | -96,6821 | 2017-08-12 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-08-12 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.81.181.0 | 1666299136 | 0 |
| 99.81.181.1 | 1666299137 | 0 |
| 99.81.181.2 | 1666299138 | 0 |
| 99.81.181.3 | 1666299139 | 0 |
| 99.81.181.4 | 1666299140 | 0 |
| 99.81.181.5 | 1666299141 | 0 |
| 99.81.181.6 | 1666299142 | 0 |
| 99.81.181.7 | 1666299143 | 0 |
| 99.81.181.8 | 1666299144 | 0 |
| 99.81.181.9 | 1666299145 | 0 |
| 99.81.181.10 | 1666299146 | 0 |
| 99.81.181.11 | 1666299147 | 0 |
| 99.81.181.12 | 1666299148 | 0 |
| 99.81.181.13 | 1666299149 | 0 |
| 99.81.181.14 | 1666299150 | 0 |
| 99.81.181.15 | 1666299151 | 0 |
| 99.81.181.16 | 1666299152 | 0 |
| 99.81.181.17 | 1666299153 | 0 |
| 99.81.181.18 | 1666299154 | 0 |
| 99.81.181.19 | 1666299155 | 0 |
| 99.81.181.20 | 1666299156 | 0 |
| 99.81.181.21 | 1666299157 | 0 |
| 99.81.181.22 | 1666299158 | 0 |
| 99.81.181.23 | 1666299159 | 0 |
| 99.81.181.24 | 1666299160 | 0 |
| 99.81.181.25 | 1666299161 | 0 |
| 99.81.181.26 | 1666299162 | 0 |
| 99.81.181.27 | 1666299163 | 0 |
| 99.81.181.28 | 1666299164 | 0 |
| 99.81.181.29 | 1666299165 | 0 |
| 99.81.181.30 | 1666299166 | 0 |
| 99.81.181.31 | 1666299167 | 0 |
| 99.81.181.32 | 1666299168 | 0 |
| 99.81.181.33 | 1666299169 | 0 |
| 99.81.181.34 | 1666299170 | 0 |
| 99.81.181.35 | 1666299171 | 0 |
| 99.81.181.36 | 1666299172 | 0 |
| 99.81.181.37 | 1666299173 | 0 |
| 99.81.181.38 | 1666299174 | 0 |
| 99.81.181.39 | 1666299175 | 0 |
| 99.81.181.40 | 1666299176 | 0 |
| 99.81.181.41 | 1666299177 | 0 |
| 99.81.181.42 | 1666299178 | 0 |
| 99.81.181.43 | 1666299179 | 0 |
| 99.81.181.44 | 1666299180 | 0 |
| 99.81.181.45 | 1666299181 | 0 |
| 99.81.181.46 | 1666299182 | 0 |
| 99.81.181.47 | 1666299183 | 0 |
| 99.81.181.48 | 1666299184 | 0 |
| 99.81.181.49 | 1666299185 | 0 |
| 99.81.181.50 | 1666299186 | 0 |
| 99.81.181.51 | 1666299187 | 0 |
| 99.81.181.52 | 1666299188 | 0 |
| 99.81.181.53 | 1666299189 | 0 |
| 99.81.181.54 | 1666299190 | 0 |
| 99.81.181.55 | 1666299191 | 0 |
| 99.81.181.56 | 1666299192 | 0 |
| 99.81.181.57 | 1666299193 | 0 |
| 99.81.181.58 | 1666299194 | 0 |
| 99.81.181.59 | 1666299195 | 0 |
| 99.81.181.60 | 1666299196 | 0 |
| 99.81.181.61 | 1666299197 | 0 |
| 99.81.181.62 | 1666299198 | 0 |
| 99.81.181.63 | 1666299199 | 0 |
| 99.81.181.64 | 1666299200 | 0 |
| 99.81.181.65 | 1666299201 | 0 |
| 99.81.181.66 | 1666299202 | 0 |
| 99.81.181.67 | 1666299203 | 0 |
| 99.81.181.68 | 1666299204 | 0 |
| 99.81.181.69 | 1666299205 | 0 |
| 99.81.181.70 | 1666299206 | 0 |
| 99.81.181.71 | 1666299207 | 0 |
| 99.81.181.72 | 1666299208 | 0 |
| 99.81.181.73 | 1666299209 | 0 |
| 99.81.181.74 | 1666299210 | 0 |
| 99.81.181.75 | 1666299211 | 0 |
| 99.81.181.76 | 1666299212 | 0 |
| 99.81.181.77 | 1666299213 | 0 |
| 99.81.181.78 | 1666299214 | 0 |
| 99.81.181.79 | 1666299215 | 0 |
| 99.81.181.80 | 1666299216 | 0 |
| 99.81.181.81 | 1666299217 | 0 |
| 99.81.181.82 | 1666299218 | 0 |
| 99.81.181.83 | 1666299219 | 0 |
| 99.81.181.84 | 1666299220 | 0 |
| 99.81.181.85 | 1666299221 | 0 |