La dirección IP 12.77.91 es proporcionada por AT&T Services, Inc., que es propiedad de la CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, IP entre 12.0.0.0 a 12.255.255.255 ). El número de sistema autónomo (ASN) es 7018.
| ASN | 7018 |
| IP que comienzan con | 12.0.0.0 |
| IP que termina con | 12.255.255.255 |
| ASN Nombre | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numérica | |
| Registe | arin |
| Última actualización | 19/02/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Chicago | 41,85 | -87,6501 | 2018-02-19 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-02-19 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 12.77.91.0 | 206396160 | 0 |
| 12.77.91.1 | 206396161 | 0 |
| 12.77.91.2 | 206396162 | 0 |
| 12.77.91.3 | 206396163 | 0 |
| 12.77.91.4 | 206396164 | 0 |
| 12.77.91.5 | 206396165 | 0 |
| 12.77.91.6 | 206396166 | 0 |
| 12.77.91.7 | 206396167 | 0 |
| 12.77.91.8 | 206396168 | 0 |
| 12.77.91.9 | 206396169 | 0 |
| 12.77.91.10 | 206396170 | 0 |
| 12.77.91.11 | 206396171 | 0 |
| 12.77.91.12 | 206396172 | 0 |
| 12.77.91.13 | 206396173 | 0 |
| 12.77.91.14 | 206396174 | 0 |
| 12.77.91.15 | 206396175 | 0 |
| 12.77.91.16 | 206396176 | 0 |
| 12.77.91.17 | 206396177 | 0 |
| 12.77.91.18 | 206396178 | 0 |
| 12.77.91.19 | 206396179 | 0 |
| 12.77.91.20 | 206396180 | 0 |
| 12.77.91.21 | 206396181 | 0 |
| 12.77.91.22 | 206396182 | 0 |
| 12.77.91.23 | 206396183 | 0 |
| 12.77.91.24 | 206396184 | 0 |
| 12.77.91.25 | 206396185 | 0 |
| 12.77.91.26 | 206396186 | 0 |
| 12.77.91.27 | 206396187 | 0 |
| 12.77.91.28 | 206396188 | 0 |
| 12.77.91.29 | 206396189 | 0 |
| 12.77.91.30 | 206396190 | 0 |
| 12.77.91.31 | 206396191 | 0 |
| 12.77.91.32 | 206396192 | 0 |
| 12.77.91.33 | 206396193 | 0 |
| 12.77.91.34 | 206396194 | 0 |
| 12.77.91.35 | 206396195 | 0 |
| 12.77.91.36 | 206396196 | 0 |
| 12.77.91.37 | 206396197 | 0 |
| 12.77.91.38 | 206396198 | 0 |
| 12.77.91.39 | 206396199 | 0 |
| 12.77.91.40 | 206396200 | 0 |
| 12.77.91.41 | 206396201 | 0 |
| 12.77.91.42 | 206396202 | 0 |
| 12.77.91.43 | 206396203 | 0 |
| 12.77.91.44 | 206396204 | 0 |
| 12.77.91.45 | 206396205 | 0 |
| 12.77.91.46 | 206396206 | 0 |
| 12.77.91.47 | 206396207 | 0 |
| 12.77.91.48 | 206396208 | 0 |
| 12.77.91.49 | 206396209 | 0 |
| 12.77.91.50 | 206396210 | 0 |
| 12.77.91.51 | 206396211 | 0 |
| 12.77.91.52 | 206396212 | 0 |
| 12.77.91.53 | 206396213 | 0 |
| 12.77.91.54 | 206396214 | 0 |
| 12.77.91.55 | 206396215 | 0 |
| 12.77.91.56 | 206396216 | 0 |
| 12.77.91.57 | 206396217 | 0 |
| 12.77.91.58 | 206396218 | 0 |
| 12.77.91.59 | 206396219 | 0 |
| 12.77.91.60 | 206396220 | 0 |
| 12.77.91.61 | 206396221 | 0 |
| 12.77.91.62 | 206396222 | 0 |
| 12.77.91.63 | 206396223 | 0 |
| 12.77.91.64 | 206396224 | 0 |
| 12.77.91.65 | 206396225 | 0 |
| 12.77.91.66 | 206396226 | 0 |
| 12.77.91.67 | 206396227 | 0 |
| 12.77.91.68 | 206396228 | 0 |
| 12.77.91.69 | 206396229 | 0 |
| 12.77.91.70 | 206396230 | 0 |
| 12.77.91.71 | 206396231 | 0 |
| 12.77.91.72 | 206396232 | 0 |
| 12.77.91.73 | 206396233 | 0 |
| 12.77.91.74 | 206396234 | 0 |
| 12.77.91.75 | 206396235 | 0 |
| 12.77.91.76 | 206396236 | 0 |
| 12.77.91.77 | 206396237 | 0 |
| 12.77.91.78 | 206396238 | 0 |
| 12.77.91.79 | 206396239 | 0 |
| 12.77.91.80 | 206396240 | 0 |
| 12.77.91.81 | 206396241 | 0 |
| 12.77.91.82 | 206396242 | 0 |
| 12.77.91.83 | 206396243 | 0 |
| 12.77.91.84 | 206396244 | 0 |
| 12.77.91.85 | 206396245 | 0 |