The IP address 172.20.40 is provided by AT&T Services, Inc., it's belong to the CDIR (Classless Inter-Domain Routing) 172.0.0.0/12 (range 172.0.0.0 to 172.15.255.255). The autonomous system number (ASN) is 7018.
| ASN | 7018 |
| IP starting by | 172.0.0.0 |
| IP ending by | 172.15.255.255 |
| ASN Name | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| Numerical IP | |
| Registry | arin |
| Last update | 04/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | - | - | - | - | 0 | 0 | 2017-07-04 |
| MaxMind | US | United States | - | Valencia | 34.418 | -118.5662 | 2017-07-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.20.40.0 | 2887002112 | 0 |
| 172.20.40.1 | 2887002113 | 0 |
| 172.20.40.2 | 2887002114 | 0 |
| 172.20.40.3 | 2887002115 | 0 |
| 172.20.40.4 | 2887002116 | 0 |
| 172.20.40.5 | 2887002117 | 0 |
| 172.20.40.6 | 2887002118 | 0 |
| 172.20.40.7 | 2887002119 | 0 |
| 172.20.40.8 | 2887002120 | 0 |
| 172.20.40.9 | 2887002121 | 0 |
| 172.20.40.10 | 2887002122 | 0 |
| 172.20.40.11 | 2887002123 | 0 |
| 172.20.40.12 | 2887002124 | 0 |
| 172.20.40.13 | 2887002125 | 0 |
| 172.20.40.14 | 2887002126 | 0 |
| 172.20.40.15 | 2887002127 | 0 |
| 172.20.40.16 | 2887002128 | 0 |
| 172.20.40.17 | 2887002129 | 0 |
| 172.20.40.18 | 2887002130 | 0 |
| 172.20.40.19 | 2887002131 | 0 |
| 172.20.40.20 | 2887002132 | 0 |
| 172.20.40.21 | 2887002133 | 0 |
| 172.20.40.22 | 2887002134 | 0 |
| 172.20.40.23 | 2887002135 | 0 |
| 172.20.40.24 | 2887002136 | 0 |
| 172.20.40.25 | 2887002137 | 0 |
| 172.20.40.26 | 2887002138 | 0 |
| 172.20.40.27 | 2887002139 | 0 |
| 172.20.40.28 | 2887002140 | 0 |
| 172.20.40.29 | 2887002141 | 0 |
| 172.20.40.30 | 2887002142 | 0 |
| 172.20.40.31 | 2887002143 | 0 |
| 172.20.40.32 | 2887002144 | 0 |
| 172.20.40.33 | 2887002145 | 0 |
| 172.20.40.34 | 2887002146 | 0 |
| 172.20.40.35 | 2887002147 | 0 |
| 172.20.40.36 | 2887002148 | 0 |
| 172.20.40.37 | 2887002149 | 0 |
| 172.20.40.38 | 2887002150 | 0 |
| 172.20.40.39 | 2887002151 | 0 |
| 172.20.40.40 | 2887002152 | 0 |
| 172.20.40.41 | 2887002153 | 0 |
| 172.20.40.42 | 2887002154 | 0 |
| 172.20.40.43 | 2887002155 | 0 |
| 172.20.40.44 | 2887002156 | 0 |
| 172.20.40.45 | 2887002157 | 0 |
| 172.20.40.46 | 2887002158 | 0 |
| 172.20.40.47 | 2887002159 | 0 |
| 172.20.40.48 | 2887002160 | 0 |
| 172.20.40.49 | 2887002161 | 0 |
| 172.20.40.50 | 2887002162 | 0 |
| 172.20.40.51 | 2887002163 | 0 |
| 172.20.40.52 | 2887002164 | 0 |
| 172.20.40.53 | 2887002165 | 0 |
| 172.20.40.54 | 2887002166 | 0 |
| 172.20.40.55 | 2887002167 | 0 |
| 172.20.40.56 | 2887002168 | 0 |
| 172.20.40.57 | 2887002169 | 0 |
| 172.20.40.58 | 2887002170 | 0 |
| 172.20.40.59 | 2887002171 | 0 |
| 172.20.40.60 | 2887002172 | 0 |
| 172.20.40.61 | 2887002173 | 0 |
| 172.20.40.62 | 2887002174 | 0 |
| 172.20.40.63 | 2887002175 | 0 |
| 172.20.40.64 | 2887002176 | 0 |
| 172.20.40.65 | 2887002177 | 0 |
| 172.20.40.66 | 2887002178 | 0 |
| 172.20.40.67 | 2887002179 | 0 |
| 172.20.40.68 | 2887002180 | 0 |
| 172.20.40.69 | 2887002181 | 0 |
| 172.20.40.70 | 2887002182 | 0 |
| 172.20.40.71 | 2887002183 | 0 |
| 172.20.40.72 | 2887002184 | 0 |
| 172.20.40.73 | 2887002185 | 0 |
| 172.20.40.74 | 2887002186 | 0 |
| 172.20.40.75 | 2887002187 | 0 |
| 172.20.40.76 | 2887002188 | 0 |
| 172.20.40.77 | 2887002189 | 0 |
| 172.20.40.78 | 2887002190 | 0 |
| 172.20.40.79 | 2887002191 | 0 |
| 172.20.40.80 | 2887002192 | 0 |
| 172.20.40.81 | 2887002193 | 0 |
| 172.20.40.82 | 2887002194 | 0 |
| 172.20.40.83 | 2887002195 | 0 |
| 172.20.40.84 | 2887002196 | 0 |
| 172.20.40.85 | 2887002197 | 0 |