Les adresses IP débutant par 9.231.91 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 12.0.0.0/8, le bloc IP comprant les adresses de 12.0.0.0 à 12.255.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 12.0.0.0 |
| IP se terminant par | 12.255.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 12.0.0.0/8 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 27/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Durham | 35,9947 | -78,8962 | 2017-09-27 |
| MaxMind | US | États-Unis | - | Durham | 35,994 | -78,8986 | 2017-09-27 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 9.231.91.0 | 166157056 | 0 |
| 9.231.91.1 | 166157057 | 0 |
| 9.231.91.2 | 166157058 | 0 |
| 9.231.91.3 | 166157059 | 0 |
| 9.231.91.4 | 166157060 | 0 |
| 9.231.91.5 | 166157061 | 0 |
| 9.231.91.6 | 166157062 | 0 |
| 9.231.91.7 | 166157063 | 0 |
| 9.231.91.8 | 166157064 | 0 |
| 9.231.91.9 | 166157065 | 0 |
| 9.231.91.10 | 166157066 | 0 |
| 9.231.91.11 | 166157067 | 0 |
| 9.231.91.12 | 166157068 | 0 |
| 9.231.91.13 | 166157069 | 0 |
| 9.231.91.14 | 166157070 | 0 |
| 9.231.91.15 | 166157071 | 0 |
| 9.231.91.16 | 166157072 | 0 |
| 9.231.91.17 | 166157073 | 0 |
| 9.231.91.18 | 166157074 | 0 |
| 9.231.91.19 | 166157075 | 0 |
| 9.231.91.20 | 166157076 | 0 |
| 9.231.91.21 | 166157077 | 0 |
| 9.231.91.22 | 166157078 | 0 |
| 9.231.91.23 | 166157079 | 0 |
| 9.231.91.24 | 166157080 | 0 |
| 9.231.91.25 | 166157081 | 0 |
| 9.231.91.26 | 166157082 | 0 |
| 9.231.91.27 | 166157083 | 0 |
| 9.231.91.28 | 166157084 | 0 |
| 9.231.91.29 | 166157085 | 0 |
| 9.231.91.30 | 166157086 | 0 |
| 9.231.91.31 | 166157087 | 0 |
| 9.231.91.32 | 166157088 | 0 |
| 9.231.91.33 | 166157089 | 0 |
| 9.231.91.34 | 166157090 | 0 |
| 9.231.91.35 | 166157091 | 0 |
| 9.231.91.36 | 166157092 | 0 |
| 9.231.91.37 | 166157093 | 0 |
| 9.231.91.38 | 166157094 | 0 |
| 9.231.91.39 | 166157095 | 0 |
| 9.231.91.40 | 166157096 | 0 |
| 9.231.91.41 | 166157097 | 0 |
| 9.231.91.42 | 166157098 | 0 |
| 9.231.91.43 | 166157099 | 0 |
| 9.231.91.44 | 166157100 | 0 |
| 9.231.91.45 | 166157101 | 0 |
| 9.231.91.46 | 166157102 | 0 |
| 9.231.91.47 | 166157103 | 0 |
| 9.231.91.48 | 166157104 | 0 |
| 9.231.91.49 | 166157105 | 0 |
| 9.231.91.50 | 166157106 | 0 |
| 9.231.91.51 | 166157107 | 0 |
| 9.231.91.52 | 166157108 | 0 |
| 9.231.91.53 | 166157109 | 0 |
| 9.231.91.54 | 166157110 | 0 |
| 9.231.91.55 | 166157111 | 0 |
| 9.231.91.56 | 166157112 | 0 |
| 9.231.91.57 | 166157113 | 0 |
| 9.231.91.58 | 166157114 | 0 |
| 9.231.91.59 | 166157115 | 0 |
| 9.231.91.60 | 166157116 | 0 |
| 9.231.91.61 | 166157117 | 0 |
| 9.231.91.62 | 166157118 | 0 |
| 9.231.91.63 | 166157119 | 0 |
| 9.231.91.64 | 166157120 | 0 |
| 9.231.91.65 | 166157121 | 0 |
| 9.231.91.66 | 166157122 | 0 |
| 9.231.91.67 | 166157123 | 0 |
| 9.231.91.68 | 166157124 | 0 |
| 9.231.91.69 | 166157125 | 0 |
| 9.231.91.70 | 166157126 | 0 |
| 9.231.91.71 | 166157127 | 0 |
| 9.231.91.72 | 166157128 | 0 |
| 9.231.91.73 | 166157129 | 0 |
| 9.231.91.74 | 166157130 | 0 |
| 9.231.91.75 | 166157131 | 0 |
| 9.231.91.76 | 166157132 | 0 |
| 9.231.91.77 | 166157133 | 0 |
| 9.231.91.78 | 166157134 | 0 |
| 9.231.91.79 | 166157135 | 0 |
| 9.231.91.80 | 166157136 | 0 |
| 9.231.91.81 | 166157137 | 0 |
| 9.231.91.82 | 166157138 | 0 |
| 9.231.91.83 | 166157139 | 0 |
| 9.231.91.84 | 166157140 | 0 |
| 9.231.91.85 | 166157141 | 0 |