La dirección IP 172.3.103 es proporcionada por AT&T Services, Inc., que es propiedad de la CIDR (Classless Inter-Domain Routing) 172.0.0.0/12, IP entre 172.0.0.0 a 172.15.255.255 ). El número de sistema autónomo (ASN) es 7018.
| ASN | 7018 |
| IP que comienzan con | 172.0.0.0 |
| IP que termina con | 172.15.255.255 |
| ASN Nombre | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| IP numérica | |
| Registe | arin |
| Última actualización | 30/09/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Dallas | 32,7831 | -96,8067 | 2017-09-30 |
| MaxMind | US | Estados Unidos | - | Arlington | 32,7357 | -97,1081 | 2017-09-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.3.103.0 | 2885904128 | 0 |
| 172.3.103.1 | 2885904129 | 0 |
| 172.3.103.2 | 2885904130 | 0 |
| 172.3.103.3 | 2885904131 | 0 |
| 172.3.103.4 | 2885904132 | 0 |
| 172.3.103.5 | 2885904133 | 0 |
| 172.3.103.6 | 2885904134 | 0 |
| 172.3.103.7 | 2885904135 | 0 |
| 172.3.103.8 | 2885904136 | 0 |
| 172.3.103.9 | 2885904137 | 0 |
| 172.3.103.10 | 2885904138 | 0 |
| 172.3.103.11 | 2885904139 | 0 |
| 172.3.103.12 | 2885904140 | 0 |
| 172.3.103.13 | 2885904141 | 0 |
| 172.3.103.14 | 2885904142 | 0 |
| 172.3.103.15 | 2885904143 | 0 |
| 172.3.103.16 | 2885904144 | 0 |
| 172.3.103.17 | 2885904145 | 0 |
| 172.3.103.18 | 2885904146 | 0 |
| 172.3.103.19 | 2885904147 | 0 |
| 172.3.103.20 | 2885904148 | 0 |
| 172.3.103.21 | 2885904149 | 0 |
| 172.3.103.22 | 2885904150 | 0 |
| 172.3.103.23 | 2885904151 | 0 |
| 172.3.103.24 | 2885904152 | 0 |
| 172.3.103.25 | 2885904153 | 0 |
| 172.3.103.26 | 2885904154 | 0 |
| 172.3.103.27 | 2885904155 | 0 |
| 172.3.103.28 | 2885904156 | 0 |
| 172.3.103.29 | 2885904157 | 0 |
| 172.3.103.30 | 2885904158 | 0 |
| 172.3.103.31 | 2885904159 | 0 |
| 172.3.103.32 | 2885904160 | 0 |
| 172.3.103.33 | 2885904161 | 0 |
| 172.3.103.34 | 2885904162 | 0 |
| 172.3.103.35 | 2885904163 | 0 |
| 172.3.103.36 | 2885904164 | 0 |
| 172.3.103.37 | 2885904165 | 0 |
| 172.3.103.38 | 2885904166 | 0 |
| 172.3.103.39 | 2885904167 | 0 |
| 172.3.103.40 | 2885904168 | 0 |
| 172.3.103.41 | 2885904169 | 0 |
| 172.3.103.42 | 2885904170 | 0 |
| 172.3.103.43 | 2885904171 | 0 |
| 172.3.103.44 | 2885904172 | 0 |
| 172.3.103.45 | 2885904173 | 0 |
| 172.3.103.46 | 2885904174 | 0 |
| 172.3.103.47 | 2885904175 | 0 |
| 172.3.103.48 | 2885904176 | 0 |
| 172.3.103.49 | 2885904177 | 0 |
| 172.3.103.50 | 2885904178 | 0 |
| 172.3.103.51 | 2885904179 | 0 |
| 172.3.103.52 | 2885904180 | 0 |
| 172.3.103.53 | 2885904181 | 0 |
| 172.3.103.54 | 2885904182 | 0 |
| 172.3.103.55 | 2885904183 | 0 |
| 172.3.103.56 | 2885904184 | 0 |
| 172.3.103.57 | 2885904185 | 0 |
| 172.3.103.58 | 2885904186 | 0 |
| 172.3.103.59 | 2885904187 | 0 |
| 172.3.103.60 | 2885904188 | 0 |
| 172.3.103.61 | 2885904189 | 0 |
| 172.3.103.62 | 2885904190 | 0 |
| 172.3.103.63 | 2885904191 | 0 |
| 172.3.103.64 | 2885904192 | 0 |
| 172.3.103.65 | 2885904193 | 0 |
| 172.3.103.66 | 2885904194 | 0 |
| 172.3.103.67 | 2885904195 | 0 |
| 172.3.103.68 | 2885904196 | 0 |
| 172.3.103.69 | 2885904197 | 0 |
| 172.3.103.70 | 2885904198 | 0 |
| 172.3.103.71 | 2885904199 | 0 |
| 172.3.103.72 | 2885904200 | 0 |
| 172.3.103.73 | 2885904201 | 0 |
| 172.3.103.74 | 2885904202 | 0 |
| 172.3.103.75 | 2885904203 | 0 |
| 172.3.103.76 | 2885904204 | 0 |
| 172.3.103.77 | 2885904205 | 0 |
| 172.3.103.78 | 2885904206 | 0 |
| 172.3.103.79 | 2885904207 | 0 |
| 172.3.103.80 | 2885904208 | 0 |
| 172.3.103.81 | 2885904209 | 0 |
| 172.3.103.82 | 2885904210 | 0 |
| 172.3.103.83 | 2885904211 | 0 |
| 172.3.103.84 | 2885904212 | 0 |
| 172.3.103.85 | 2885904213 | 0 |