Les adresses IP débutant par 99.81.204 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 | 06/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Richardson | 32,9924 | -96,6821 | 2017-08-06 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-08-06 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 99.81.204.0 | 1666305024 | 0 |
| 99.81.204.1 | 1666305025 | 0 |
| 99.81.204.2 | 1666305026 | 0 |
| 99.81.204.3 | 1666305027 | 0 |
| 99.81.204.4 | 1666305028 | 0 |
| 99.81.204.5 | 1666305029 | 0 |
| 99.81.204.6 | 1666305030 | 0 |
| 99.81.204.7 | 1666305031 | 0 |
| 99.81.204.8 | 1666305032 | 0 |
| 99.81.204.9 | 1666305033 | 0 |
| 99.81.204.10 | 1666305034 | 0 |
| 99.81.204.11 | 1666305035 | 0 |
| 99.81.204.12 | 1666305036 | 0 |
| 99.81.204.13 | 1666305037 | 0 |
| 99.81.204.14 | 1666305038 | 0 |
| 99.81.204.15 | 1666305039 | 0 |
| 99.81.204.16 | 1666305040 | 0 |
| 99.81.204.17 | 1666305041 | 0 |
| 99.81.204.18 | 1666305042 | 0 |
| 99.81.204.19 | 1666305043 | 0 |
| 99.81.204.20 | 1666305044 | 0 |
| 99.81.204.21 | 1666305045 | 0 |
| 99.81.204.22 | 1666305046 | 0 |
| 99.81.204.23 | 1666305047 | 0 |
| 99.81.204.24 | 1666305048 | 0 |
| 99.81.204.25 | 1666305049 | 0 |
| 99.81.204.26 | 1666305050 | 0 |
| 99.81.204.27 | 1666305051 | 0 |
| 99.81.204.28 | 1666305052 | 0 |
| 99.81.204.29 | 1666305053 | 0 |
| 99.81.204.30 | 1666305054 | 0 |
| 99.81.204.31 | 1666305055 | 0 |
| 99.81.204.32 | 1666305056 | 0 |
| 99.81.204.33 | 1666305057 | 0 |
| 99.81.204.34 | 1666305058 | 0 |
| 99.81.204.35 | 1666305059 | 0 |
| 99.81.204.36 | 1666305060 | 0 |
| 99.81.204.37 | 1666305061 | 0 |
| 99.81.204.38 | 1666305062 | 0 |
| 99.81.204.39 | 1666305063 | 0 |
| 99.81.204.40 | 1666305064 | 0 |
| 99.81.204.41 | 1666305065 | 0 |
| 99.81.204.42 | 1666305066 | 0 |
| 99.81.204.43 | 1666305067 | 0 |
| 99.81.204.44 | 1666305068 | 0 |
| 99.81.204.45 | 1666305069 | 0 |
| 99.81.204.46 | 1666305070 | 0 |
| 99.81.204.47 | 1666305071 | 0 |
| 99.81.204.48 | 1666305072 | 0 |
| 99.81.204.49 | 1666305073 | 0 |
| 99.81.204.50 | 1666305074 | 0 |
| 99.81.204.51 | 1666305075 | 0 |
| 99.81.204.52 | 1666305076 | 0 |
| 99.81.204.53 | 1666305077 | 0 |
| 99.81.204.54 | 1666305078 | 0 |
| 99.81.204.55 | 1666305079 | 0 |
| 99.81.204.56 | 1666305080 | 0 |
| 99.81.204.57 | 1666305081 | 0 |
| 99.81.204.58 | 1666305082 | 0 |
| 99.81.204.59 | 1666305083 | 0 |
| 99.81.204.60 | 1666305084 | 0 |
| 99.81.204.61 | 1666305085 | 0 |
| 99.81.204.62 | 1666305086 | 0 |
| 99.81.204.63 | 1666305087 | 0 |
| 99.81.204.64 | 1666305088 | 0 |
| 99.81.204.65 | 1666305089 | 0 |
| 99.81.204.66 | 1666305090 | 0 |
| 99.81.204.67 | 1666305091 | 0 |
| 99.81.204.68 | 1666305092 | 0 |
| 99.81.204.69 | 1666305093 | 0 |
| 99.81.204.70 | 1666305094 | 0 |
| 99.81.204.71 | 1666305095 | 0 |
| 99.81.204.72 | 1666305096 | 0 |
| 99.81.204.73 | 1666305097 | 0 |
| 99.81.204.74 | 1666305098 | 0 |
| 99.81.204.75 | 1666305099 | 0 |
| 99.81.204.76 | 1666305100 | 0 |
| 99.81.204.77 | 1666305101 | 0 |
| 99.81.204.78 | 1666305102 | 0 |
| 99.81.204.79 | 1666305103 | 0 |
| 99.81.204.80 | 1666305104 | 0 |
| 99.81.204.81 | 1666305105 | 0 |
| 99.81.204.82 | 1666305106 | 0 |
| 99.81.204.83 | 1666305107 | 0 |
| 99.81.204.84 | 1666305108 | 0 |
| 99.81.204.85 | 1666305109 | 0 |