L'indirizzo IP 11.99.81 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, IP tra 12.0.0.0 a 12.255.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 12.0.0.0 |
| IP finale con | 12.255.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 23/10/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-10-23 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-10-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 11.99.81.0 | 191058176 | 0 |
| 11.99.81.1 | 191058177 | 0 |
| 11.99.81.2 | 191058178 | 0 |
| 11.99.81.3 | 191058179 | 0 |
| 11.99.81.4 | 191058180 | 0 |
| 11.99.81.5 | 191058181 | 0 |
| 11.99.81.6 | 191058182 | 0 |
| 11.99.81.7 | 191058183 | 0 |
| 11.99.81.8 | 191058184 | 0 |
| 11.99.81.9 | 191058185 | 0 |
| 11.99.81.10 | 191058186 | 0 |
| 11.99.81.11 | 191058187 | 0 |
| 11.99.81.12 | 191058188 | 0 |
| 11.99.81.13 | 191058189 | 0 |
| 11.99.81.14 | 191058190 | 0 |
| 11.99.81.15 | 191058191 | 0 |
| 11.99.81.16 | 191058192 | 0 |
| 11.99.81.17 | 191058193 | 0 |
| 11.99.81.18 | 191058194 | 0 |
| 11.99.81.19 | 191058195 | 0 |
| 11.99.81.20 | 191058196 | 0 |
| 11.99.81.21 | 191058197 | 0 |
| 11.99.81.22 | 191058198 | 0 |
| 11.99.81.23 | 191058199 | 0 |
| 11.99.81.24 | 191058200 | 0 |
| 11.99.81.25 | 191058201 | 0 |
| 11.99.81.26 | 191058202 | 0 |
| 11.99.81.27 | 191058203 | 0 |
| 11.99.81.28 | 191058204 | 0 |
| 11.99.81.29 | 191058205 | 0 |
| 11.99.81.30 | 191058206 | 0 |
| 11.99.81.31 | 191058207 | 0 |
| 11.99.81.32 | 191058208 | 0 |
| 11.99.81.33 | 191058209 | 0 |
| 11.99.81.34 | 191058210 | 0 |
| 11.99.81.35 | 191058211 | 0 |
| 11.99.81.36 | 191058212 | 0 |
| 11.99.81.37 | 191058213 | 0 |
| 11.99.81.38 | 191058214 | 0 |
| 11.99.81.39 | 191058215 | 0 |
| 11.99.81.40 | 191058216 | 0 |
| 11.99.81.41 | 191058217 | 0 |
| 11.99.81.42 | 191058218 | 0 |
| 11.99.81.43 | 191058219 | 0 |
| 11.99.81.44 | 191058220 | 0 |
| 11.99.81.45 | 191058221 | 0 |
| 11.99.81.46 | 191058222 | 0 |
| 11.99.81.47 | 191058223 | 0 |
| 11.99.81.48 | 191058224 | 0 |
| 11.99.81.49 | 191058225 | 0 |
| 11.99.81.50 | 191058226 | 0 |
| 11.99.81.51 | 191058227 | 0 |
| 11.99.81.52 | 191058228 | 0 |
| 11.99.81.53 | 191058229 | 0 |
| 11.99.81.54 | 191058230 | 0 |
| 11.99.81.55 | 191058231 | 0 |
| 11.99.81.56 | 191058232 | 0 |
| 11.99.81.57 | 191058233 | 0 |
| 11.99.81.58 | 191058234 | 0 |
| 11.99.81.59 | 191058235 | 0 |
| 11.99.81.60 | 191058236 | 0 |
| 11.99.81.61 | 191058237 | 0 |
| 11.99.81.62 | 191058238 | 0 |
| 11.99.81.63 | 191058239 | 0 |
| 11.99.81.64 | 191058240 | 0 |
| 11.99.81.65 | 191058241 | 0 |
| 11.99.81.66 | 191058242 | 0 |
| 11.99.81.67 | 191058243 | 0 |
| 11.99.81.68 | 191058244 | 0 |
| 11.99.81.69 | 191058245 | 0 |
| 11.99.81.70 | 191058246 | 0 |
| 11.99.81.71 | 191058247 | 0 |
| 11.99.81.72 | 191058248 | 0 |
| 11.99.81.73 | 191058249 | 0 |
| 11.99.81.74 | 191058250 | 0 |
| 11.99.81.75 | 191058251 | 0 |
| 11.99.81.76 | 191058252 | 0 |
| 11.99.81.77 | 191058253 | 0 |
| 11.99.81.78 | 191058254 | 0 |
| 11.99.81.79 | 191058255 | 0 |
| 11.99.81.80 | 191058256 | 0 |
| 11.99.81.81 | 191058257 | 0 |
| 11.99.81.82 | 191058258 | 0 |
| 11.99.81.83 | 191058259 | 0 |
| 11.99.81.84 | 191058260 | 0 |
| 11.99.81.85 | 191058261 | 0 |