The IP address 131.77.57 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 131.76.0.0/14 (range 131.76.0.0 to 131.79.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 131.76.0.0 |
| IP ending by | 131.79.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 131.76.0.0/14 |
| Numerical IP | |
| Registry | arin |
| Last update | 18/08/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Phoenix | 33.4484 | -112.074 | 2018-08-18 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2018-08-18 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.77.57.0 | 2202876160 | 0 |
| 131.77.57.1 | 2202876161 | 0 |
| 131.77.57.2 | 2202876162 | 0 |
| 131.77.57.3 | 2202876163 | 0 |
| 131.77.57.4 | 2202876164 | 0 |
| 131.77.57.5 | 2202876165 | 0 |
| 131.77.57.6 | 2202876166 | 0 |
| 131.77.57.7 | 2202876167 | 0 |
| 131.77.57.8 | 2202876168 | 0 |
| 131.77.57.9 | 2202876169 | 0 |
| 131.77.57.10 | 2202876170 | 0 |
| 131.77.57.11 | 2202876171 | 0 |
| 131.77.57.12 | 2202876172 | 0 |
| 131.77.57.13 | 2202876173 | 0 |
| 131.77.57.14 | 2202876174 | 0 |
| 131.77.57.15 | 2202876175 | 0 |
| 131.77.57.16 | 2202876176 | 0 |
| 131.77.57.17 | 2202876177 | 0 |
| 131.77.57.18 | 2202876178 | 0 |
| 131.77.57.19 | 2202876179 | 0 |
| 131.77.57.20 | 2202876180 | 0 |
| 131.77.57.21 | 2202876181 | 0 |
| 131.77.57.22 | 2202876182 | 0 |
| 131.77.57.23 | 2202876183 | 0 |
| 131.77.57.24 | 2202876184 | 0 |
| 131.77.57.25 | 2202876185 | 0 |
| 131.77.57.26 | 2202876186 | 0 |
| 131.77.57.27 | 2202876187 | 0 |
| 131.77.57.28 | 2202876188 | 0 |
| 131.77.57.29 | 2202876189 | 0 |
| 131.77.57.30 | 2202876190 | 0 |
| 131.77.57.31 | 2202876191 | 0 |
| 131.77.57.32 | 2202876192 | 0 |
| 131.77.57.33 | 2202876193 | 0 |
| 131.77.57.34 | 2202876194 | 0 |
| 131.77.57.35 | 2202876195 | 0 |
| 131.77.57.36 | 2202876196 | 0 |
| 131.77.57.37 | 2202876197 | 0 |
| 131.77.57.38 | 2202876198 | 0 |
| 131.77.57.39 | 2202876199 | 0 |
| 131.77.57.40 | 2202876200 | 0 |
| 131.77.57.41 | 2202876201 | 0 |
| 131.77.57.42 | 2202876202 | 0 |
| 131.77.57.43 | 2202876203 | 0 |
| 131.77.57.44 | 2202876204 | 0 |
| 131.77.57.45 | 2202876205 | 0 |
| 131.77.57.46 | 2202876206 | 0 |
| 131.77.57.47 | 2202876207 | 0 |
| 131.77.57.48 | 2202876208 | 0 |
| 131.77.57.49 | 2202876209 | 0 |
| 131.77.57.50 | 2202876210 | 0 |
| 131.77.57.51 | 2202876211 | 0 |
| 131.77.57.52 | 2202876212 | 0 |
| 131.77.57.53 | 2202876213 | 0 |
| 131.77.57.54 | 2202876214 | 0 |
| 131.77.57.55 | 2202876215 | 0 |
| 131.77.57.56 | 2202876216 | 0 |
| 131.77.57.57 | 2202876217 | 0 |
| 131.77.57.58 | 2202876218 | 0 |
| 131.77.57.59 | 2202876219 | 0 |
| 131.77.57.60 | 2202876220 | 0 |
| 131.77.57.61 | 2202876221 | 0 |
| 131.77.57.62 | 2202876222 | 0 |
| 131.77.57.63 | 2202876223 | 0 |
| 131.77.57.64 | 2202876224 | 0 |
| 131.77.57.65 | 2202876225 | 0 |
| 131.77.57.66 | 2202876226 | 0 |
| 131.77.57.67 | 2202876227 | 0 |
| 131.77.57.68 | 2202876228 | 0 |
| 131.77.57.69 | 2202876229 | 0 |
| 131.77.57.70 | 2202876230 | 0 |
| 131.77.57.71 | 2202876231 | 0 |
| 131.77.57.72 | 2202876232 | 0 |
| 131.77.57.73 | 2202876233 | 0 |
| 131.77.57.74 | 2202876234 | 0 |
| 131.77.57.75 | 2202876235 | 0 |
| 131.77.57.76 | 2202876236 | 0 |
| 131.77.57.77 | 2202876237 | 0 |
| 131.77.57.78 | 2202876238 | 0 |
| 131.77.57.79 | 2202876239 | 0 |
| 131.77.57.80 | 2202876240 | 0 |
| 131.77.57.81 | 2202876241 | 0 |
| 131.77.57.82 | 2202876242 | 0 |
| 131.77.57.83 | 2202876243 | 0 |
| 131.77.57.84 | 2202876244 | 0 |
| 131.77.57.85 | 2202876245 | 0 |