Les adresses IP débutant par 99.75.221 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 | 21/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Richardson | 32,9924 | -96,6821 | 2017-07-03 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.75.221.0 | 1665916160 | 0 |
| 99.75.221.1 | 1665916161 | 0 |
| 99.75.221.2 | 1665916162 | 0 |
| 99.75.221.3 | 1665916163 | 0 |
| 99.75.221.4 | 1665916164 | 0 |
| 99.75.221.5 | 1665916165 | 0 |
| 99.75.221.6 | 1665916166 | 0 |
| 99.75.221.7 | 1665916167 | 0 |
| 99.75.221.8 | 1665916168 | 0 |
| 99.75.221.9 | 1665916169 | 0 |
| 99.75.221.10 | 1665916170 | 0 |
| 99.75.221.11 | 1665916171 | 0 |
| 99.75.221.12 | 1665916172 | 0 |
| 99.75.221.13 | 1665916173 | 0 |
| 99.75.221.14 | 1665916174 | 0 |
| 99.75.221.15 | 1665916175 | 0 |
| 99.75.221.16 | 1665916176 | 0 |
| 99.75.221.17 | 1665916177 | 0 |
| 99.75.221.18 | 1665916178 | 0 |
| 99.75.221.19 | 1665916179 | 0 |
| 99.75.221.20 | 1665916180 | 0 |
| 99.75.221.21 | 1665916181 | 0 |
| 99.75.221.22 | 1665916182 | 0 |
| 99.75.221.23 | 1665916183 | 0 |
| 99.75.221.24 | 1665916184 | 0 |
| 99.75.221.25 | 1665916185 | 0 |
| 99.75.221.26 | 1665916186 | 0 |
| 99.75.221.27 | 1665916187 | 0 |
| 99.75.221.28 | 1665916188 | 0 |
| 99.75.221.29 | 1665916189 | 0 |
| 99.75.221.30 | 1665916190 | 0 |
| 99.75.221.31 | 1665916191 | 0 |
| 99.75.221.32 | 1665916192 | 0 |
| 99.75.221.33 | 1665916193 | 0 |
| 99.75.221.34 | 1665916194 | 0 |
| 99.75.221.35 | 1665916195 | 0 |
| 99.75.221.36 | 1665916196 | 0 |
| 99.75.221.37 | 1665916197 | 0 |
| 99.75.221.38 | 1665916198 | 0 |
| 99.75.221.39 | 1665916199 | 0 |
| 99.75.221.40 | 1665916200 | 0 |
| 99.75.221.41 | 1665916201 | 0 |
| 99.75.221.42 | 1665916202 | 0 |
| 99.75.221.43 | 1665916203 | 0 |
| 99.75.221.44 | 1665916204 | 0 |
| 99.75.221.45 | 1665916205 | 0 |
| 99.75.221.46 | 1665916206 | 0 |
| 99.75.221.47 | 1665916207 | 0 |
| 99.75.221.48 | 1665916208 | 0 |
| 99.75.221.49 | 1665916209 | 0 |
| 99.75.221.50 | 1665916210 | 0 |
| 99.75.221.51 | 1665916211 | 0 |
| 99.75.221.52 | 1665916212 | 0 |
| 99.75.221.53 | 1665916213 | 0 |
| 99.75.221.54 | 1665916214 | 0 |
| 99.75.221.55 | 1665916215 | 0 |
| 99.75.221.56 | 1665916216 | 0 |
| 99.75.221.57 | 1665916217 | 0 |
| 99.75.221.58 | 1665916218 | 0 |
| 99.75.221.59 | 1665916219 | 0 |
| 99.75.221.60 | 1665916220 | 0 |
| 99.75.221.61 | 1665916221 | 0 |
| 99.75.221.62 | 1665916222 | 0 |
| 99.75.221.63 | 1665916223 | 0 |
| 99.75.221.64 | 1665916224 | 0 |
| 99.75.221.65 | 1665916225 | 0 |
| 99.75.221.66 | 1665916226 | 0 |
| 99.75.221.67 | 1665916227 | 0 |
| 99.75.221.68 | 1665916228 | 0 |
| 99.75.221.69 | 1665916229 | 0 |
| 99.75.221.70 | 1665916230 | 0 |
| 99.75.221.71 | 1665916231 | 0 |
| 99.75.221.72 | 1665916232 | 0 |
| 99.75.221.73 | 1665916233 | 0 |
| 99.75.221.74 | 1665916234 | 0 |
| 99.75.221.75 | 1665916235 | 0 |
| 99.75.221.76 | 1665916236 | 0 |
| 99.75.221.77 | 1665916237 | 0 |
| 99.75.221.78 | 1665916238 | 0 |
| 99.75.221.79 | 1665916239 | 0 |
| 99.75.221.80 | 1665916240 | 0 |
| 99.75.221.81 | 1665916241 | 0 |
| 99.75.221.82 | 1665916242 | 0 |
| 99.75.221.83 | 1665916243 | 0 |
| 99.75.221.84 | 1665916244 | 0 |
| 99.75.221.85 | 1665916245 | 0 |