Les adresses IP débutant par 172.5.173 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 172.0.0.0/12, le bloc IP comprant les adresses de 172.0.0.0 à 172.15.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 172.0.0.0 |
| IP se terminant par | 172.15.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 08/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Dallas | 32,7831 | -96,8067 | 2017-07-08 |
| MaxMind | US | États-Unis | - | Dallas | 32,812 | -96,8143 | 2017-07-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.5.173.0 | 2886053120 | 0 |
| 172.5.173.1 | 2886053121 | 0 |
| 172.5.173.2 | 2886053122 | 0 |
| 172.5.173.3 | 2886053123 | 0 |
| 172.5.173.4 | 2886053124 | 0 |
| 172.5.173.5 | 2886053125 | 0 |
| 172.5.173.6 | 2886053126 | 0 |
| 172.5.173.7 | 2886053127 | 0 |
| 172.5.173.8 | 2886053128 | 0 |
| 172.5.173.9 | 2886053129 | 0 |
| 172.5.173.10 | 2886053130 | 0 |
| 172.5.173.11 | 2886053131 | 0 |
| 172.5.173.12 | 2886053132 | 0 |
| 172.5.173.13 | 2886053133 | 0 |
| 172.5.173.14 | 2886053134 | 0 |
| 172.5.173.15 | 2886053135 | 0 |
| 172.5.173.16 | 2886053136 | 0 |
| 172.5.173.17 | 2886053137 | 0 |
| 172.5.173.18 | 2886053138 | 0 |
| 172.5.173.19 | 2886053139 | 0 |
| 172.5.173.20 | 2886053140 | 0 |
| 172.5.173.21 | 2886053141 | 0 |
| 172.5.173.22 | 2886053142 | 0 |
| 172.5.173.23 | 2886053143 | 0 |
| 172.5.173.24 | 2886053144 | 0 |
| 172.5.173.25 | 2886053145 | 0 |
| 172.5.173.26 | 2886053146 | 0 |
| 172.5.173.27 | 2886053147 | 0 |
| 172.5.173.28 | 2886053148 | 0 |
| 172.5.173.29 | 2886053149 | 0 |
| 172.5.173.30 | 2886053150 | 0 |
| 172.5.173.31 | 2886053151 | 0 |
| 172.5.173.32 | 2886053152 | 0 |
| 172.5.173.33 | 2886053153 | 0 |
| 172.5.173.34 | 2886053154 | 0 |
| 172.5.173.35 | 2886053155 | 0 |
| 172.5.173.36 | 2886053156 | 0 |
| 172.5.173.37 | 2886053157 | 0 |
| 172.5.173.38 | 2886053158 | 0 |
| 172.5.173.39 | 2886053159 | 0 |
| 172.5.173.40 | 2886053160 | 0 |
| 172.5.173.41 | 2886053161 | 0 |
| 172.5.173.42 | 2886053162 | 0 |
| 172.5.173.43 | 2886053163 | 0 |
| 172.5.173.44 | 2886053164 | 0 |
| 172.5.173.45 | 2886053165 | 0 |
| 172.5.173.46 | 2886053166 | 0 |
| 172.5.173.47 | 2886053167 | 0 |
| 172.5.173.48 | 2886053168 | 0 |
| 172.5.173.49 | 2886053169 | 0 |
| 172.5.173.50 | 2886053170 | 0 |
| 172.5.173.51 | 2886053171 | 0 |
| 172.5.173.52 | 2886053172 | 0 |
| 172.5.173.53 | 2886053173 | 0 |
| 172.5.173.54 | 2886053174 | 0 |
| 172.5.173.55 | 2886053175 | 0 |
| 172.5.173.56 | 2886053176 | 0 |
| 172.5.173.57 | 2886053177 | 0 |
| 172.5.173.58 | 2886053178 | 0 |
| 172.5.173.59 | 2886053179 | 0 |
| 172.5.173.60 | 2886053180 | 0 |
| 172.5.173.61 | 2886053181 | 0 |
| 172.5.173.62 | 2886053182 | 0 |
| 172.5.173.63 | 2886053183 | 0 |
| 172.5.173.64 | 2886053184 | 0 |
| 172.5.173.65 | 2886053185 | 0 |
| 172.5.173.66 | 2886053186 | 0 |
| 172.5.173.67 | 2886053187 | 0 |
| 172.5.173.68 | 2886053188 | 0 |
| 172.5.173.69 | 2886053189 | 0 |
| 172.5.173.70 | 2886053190 | 0 |
| 172.5.173.71 | 2886053191 | 0 |
| 172.5.173.72 | 2886053192 | 0 |
| 172.5.173.73 | 2886053193 | 0 |
| 172.5.173.74 | 2886053194 | 0 |
| 172.5.173.75 | 2886053195 | 0 |
| 172.5.173.76 | 2886053196 | 0 |
| 172.5.173.77 | 2886053197 | 0 |
| 172.5.173.78 | 2886053198 | 0 |
| 172.5.173.79 | 2886053199 | 0 |
| 172.5.173.80 | 2886053200 | 0 |
| 172.5.173.81 | 2886053201 | 0 |
| 172.5.173.82 | 2886053202 | 0 |
| 172.5.173.83 | 2886053203 | 0 |
| 172.5.173.84 | 2886053204 | 0 |
| 172.5.173.85 | 2886053205 | 0 |