Les adresses IP débutant par 99.63.203 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 99.56.0.0/13, le bloc IP comprant les adresses de 99.56.0.0 à 99.63.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 99.56.0.0 |
| IP se terminant par | 99.63.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 99.56.0.0/13 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 11/07/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Naperville | 41,7859 | -88,1473 | 2019-07-10 |
| MaxMind | US | États-Unis | - | Palatine | 42,1032 | -88,0699 | 2019-07-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.63.203.0 | 1665125120 | 0 |
| 99.63.203.1 | 1665125121 | 0 |
| 99.63.203.2 | 1665125122 | 0 |
| 99.63.203.3 | 1665125123 | 0 |
| 99.63.203.4 | 1665125124 | 0 |
| 99.63.203.5 | 1665125125 | 0 |
| 99.63.203.6 | 1665125126 | 0 |
| 99.63.203.7 | 1665125127 | 0 |
| 99.63.203.8 | 1665125128 | 0 |
| 99.63.203.9 | 1665125129 | 0 |
| 99.63.203.10 | 1665125130 | 0 |
| 99.63.203.11 | 1665125131 | 0 |
| 99.63.203.12 | 1665125132 | 0 |
| 99.63.203.13 | 1665125133 | 0 |
| 99.63.203.14 | 1665125134 | 0 |
| 99.63.203.15 | 1665125135 | 0 |
| 99.63.203.16 | 1665125136 | 0 |
| 99.63.203.17 | 1665125137 | 0 |
| 99.63.203.18 | 1665125138 | 0 |
| 99.63.203.19 | 1665125139 | 0 |
| 99.63.203.20 | 1665125140 | 0 |
| 99.63.203.21 | 1665125141 | 0 |
| 99.63.203.22 | 1665125142 | 0 |
| 99.63.203.23 | 1665125143 | 0 |
| 99.63.203.24 | 1665125144 | 0 |
| 99.63.203.25 | 1665125145 | 0 |
| 99.63.203.26 | 1665125146 | 0 |
| 99.63.203.27 | 1665125147 | 0 |
| 99.63.203.28 | 1665125148 | 0 |
| 99.63.203.29 | 1665125149 | 0 |
| 99.63.203.30 | 1665125150 | 0 |
| 99.63.203.31 | 1665125151 | 0 |
| 99.63.203.32 | 1665125152 | 0 |
| 99.63.203.33 | 1665125153 | 0 |
| 99.63.203.34 | 1665125154 | 0 |
| 99.63.203.35 | 1665125155 | 0 |
| 99.63.203.36 | 1665125156 | 0 |
| 99.63.203.37 | 1665125157 | 0 |
| 99.63.203.38 | 1665125158 | 0 |
| 99.63.203.39 | 1665125159 | 0 |
| 99.63.203.40 | 1665125160 | 0 |
| 99.63.203.41 | 1665125161 | 0 |
| 99.63.203.42 | 1665125162 | 0 |
| 99.63.203.43 | 1665125163 | 0 |
| 99.63.203.44 | 1665125164 | 0 |
| 99.63.203.45 | 1665125165 | 0 |
| 99.63.203.46 | 1665125166 | 0 |
| 99.63.203.47 | 1665125167 | 0 |
| 99.63.203.48 | 1665125168 | 0 |
| 99.63.203.49 | 1665125169 | 0 |
| 99.63.203.50 | 1665125170 | 0 |
| 99.63.203.51 | 1665125171 | 0 |
| 99.63.203.52 | 1665125172 | 0 |
| 99.63.203.53 | 1665125173 | 0 |
| 99.63.203.54 | 1665125174 | 0 |
| 99.63.203.55 | 1665125175 | 0 |
| 99.63.203.56 | 1665125176 | 0 |
| 99.63.203.57 | 1665125177 | 0 |
| 99.63.203.58 | 1665125178 | 0 |
| 99.63.203.59 | 1665125179 | 0 |
| 99.63.203.60 | 1665125180 | 0 |
| 99.63.203.61 | 1665125181 | 0 |
| 99.63.203.62 | 1665125182 | 0 |
| 99.63.203.63 | 1665125183 | 0 |
| 99.63.203.64 | 1665125184 | 0 |
| 99.63.203.65 | 1665125185 | 0 |
| 99.63.203.66 | 1665125186 | 0 |
| 99.63.203.67 | 1665125187 | 0 |
| 99.63.203.68 | 1665125188 | 0 |
| 99.63.203.69 | 1665125189 | 0 |
| 99.63.203.70 | 1665125190 | 0 |
| 99.63.203.71 | 1665125191 | 0 |
| 99.63.203.72 | 1665125192 | 0 |
| 99.63.203.73 | 1665125193 | 0 |
| 99.63.203.74 | 1665125194 | 0 |
| 99.63.203.75 | 1665125195 | 0 |
| 99.63.203.76 | 1665125196 | 0 |
| 99.63.203.77 | 1665125197 | 0 |
| 99.63.203.78 | 1665125198 | 0 |
| 99.63.203.79 | 1665125199 | 0 |
| 99.63.203.80 | 1665125200 | 0 |
| 99.63.203.81 | 1665125201 | 0 |
| 99.63.203.82 | 1665125202 | 0 |
| 99.63.203.83 | 1665125203 | 0 |
| 99.63.203.84 | 1665125204 | 0 |
| 99.63.203.85 | 1665125205 | 0 |