Die IP-Adresse 131.87.91 erfolgt über DoD Network Information Center, es hat gehören zu den GGDV (Classless Inter-Domain Routing) 131.86.0.0/15 (Bereich 131.86.0.0, 131.87.255.255). Die autonomen Systemnummer (ASN) ist 721.
| ASN | 721 |
| Ausgehend von IP | 131.86.0.0 |
| Beendigung durch IP | 131.87.255.255 |
| ASN-Namen | DoD Network Information Center |
| GGDV | 131.86.0.0/15 |
| Numerische IP | |
| Registrierung | arin |
| Letztes update | 09.05.2019 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | San Francisco | 37,7885 | -122,3946 | 2019-05-08 |
| MaxMind | US | USA | - | - | 37,751 | -97,822 | 2019-05-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.87.91.0 | 2203540224 | 0 |
| 131.87.91.1 | 2203540225 | 0 |
| 131.87.91.2 | 2203540226 | 0 |
| 131.87.91.3 | 2203540227 | 0 |
| 131.87.91.4 | 2203540228 | 0 |
| 131.87.91.5 | 2203540229 | 0 |
| 131.87.91.6 | 2203540230 | 0 |
| 131.87.91.7 | 2203540231 | 0 |
| 131.87.91.8 | 2203540232 | 0 |
| 131.87.91.9 | 2203540233 | 0 |
| 131.87.91.10 | 2203540234 | 0 |
| 131.87.91.11 | 2203540235 | 0 |
| 131.87.91.12 | 2203540236 | 0 |
| 131.87.91.13 | 2203540237 | 0 |
| 131.87.91.14 | 2203540238 | 0 |
| 131.87.91.15 | 2203540239 | 0 |
| 131.87.91.16 | 2203540240 | 0 |
| 131.87.91.17 | 2203540241 | 0 |
| 131.87.91.18 | 2203540242 | 0 |
| 131.87.91.19 | 2203540243 | 0 |
| 131.87.91.20 | 2203540244 | 0 |
| 131.87.91.21 | 2203540245 | 0 |
| 131.87.91.22 | 2203540246 | 0 |
| 131.87.91.23 | 2203540247 | 0 |
| 131.87.91.24 | 2203540248 | 0 |
| 131.87.91.25 | 2203540249 | 0 |
| 131.87.91.26 | 2203540250 | 0 |
| 131.87.91.27 | 2203540251 | 0 |
| 131.87.91.28 | 2203540252 | 0 |
| 131.87.91.29 | 2203540253 | 0 |
| 131.87.91.30 | 2203540254 | 0 |
| 131.87.91.31 | 2203540255 | 0 |
| 131.87.91.32 | 2203540256 | 0 |
| 131.87.91.33 | 2203540257 | 0 |
| 131.87.91.34 | 2203540258 | 0 |
| 131.87.91.35 | 2203540259 | 0 |
| 131.87.91.36 | 2203540260 | 0 |
| 131.87.91.37 | 2203540261 | 0 |
| 131.87.91.38 | 2203540262 | 0 |
| 131.87.91.39 | 2203540263 | 0 |
| 131.87.91.40 | 2203540264 | 0 |
| 131.87.91.41 | 2203540265 | 0 |
| 131.87.91.42 | 2203540266 | 0 |
| 131.87.91.43 | 2203540267 | 0 |
| 131.87.91.44 | 2203540268 | 0 |
| 131.87.91.45 | 2203540269 | 0 |
| 131.87.91.46 | 2203540270 | 0 |
| 131.87.91.47 | 2203540271 | 0 |
| 131.87.91.48 | 2203540272 | 0 |
| 131.87.91.49 | 2203540273 | 0 |
| 131.87.91.50 | 2203540274 | 0 |
| 131.87.91.51 | 2203540275 | 0 |
| 131.87.91.52 | 2203540276 | 0 |
| 131.87.91.53 | 2203540277 | 0 |
| 131.87.91.54 | 2203540278 | 0 |
| 131.87.91.55 | 2203540279 | 0 |
| 131.87.91.56 | 2203540280 | 0 |
| 131.87.91.57 | 2203540281 | 0 |
| 131.87.91.58 | 2203540282 | 0 |
| 131.87.91.59 | 2203540283 | 0 |
| 131.87.91.60 | 2203540284 | 0 |
| 131.87.91.61 | 2203540285 | 0 |
| 131.87.91.62 | 2203540286 | 0 |
| 131.87.91.63 | 2203540287 | 0 |
| 131.87.91.64 | 2203540288 | 0 |
| 131.87.91.65 | 2203540289 | 0 |
| 131.87.91.66 | 2203540290 | 0 |
| 131.87.91.67 | 2203540291 | 0 |
| 131.87.91.68 | 2203540292 | 0 |
| 131.87.91.69 | 2203540293 | 0 |
| 131.87.91.70 | 2203540294 | 0 |
| 131.87.91.71 | 2203540295 | 0 |
| 131.87.91.72 | 2203540296 | 0 |
| 131.87.91.73 | 2203540297 | 0 |
| 131.87.91.74 | 2203540298 | 0 |
| 131.87.91.75 | 2203540299 | 0 |
| 131.87.91.76 | 2203540300 | 0 |
| 131.87.91.77 | 2203540301 | 0 |
| 131.87.91.78 | 2203540302 | 0 |
| 131.87.91.79 | 2203540303 | 0 |
| 131.87.91.80 | 2203540304 | 0 |
| 131.87.91.81 | 2203540305 | 0 |
| 131.87.91.82 | 2203540306 | 0 |
| 131.87.91.83 | 2203540307 | 0 |
| 131.87.91.84 | 2203540308 | 0 |
| 131.87.91.85 | 2203540309 | 0 |