The IP address 143.81.31 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 143.81.0.0/16 (range 143.81.0.0 to 143.81.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 143.81.0.0 |
| IP ending by | 143.81.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 143.81.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 18/05/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2019-05-17 |
| MaxMind | US | United States | - | Fort Huachuca | 31.5273 | -110.3607 | 2019-05-17 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 143.81.31.0 | 2404458240 | 0 |
| 143.81.31.1 | 2404458241 | 0 |
| 143.81.31.2 | 2404458242 | 0 |
| 143.81.31.3 | 2404458243 | 0 |
| 143.81.31.4 | 2404458244 | 0 |
| 143.81.31.5 | 2404458245 | 0 |
| 143.81.31.6 | 2404458246 | 0 |
| 143.81.31.7 | 2404458247 | 0 |
| 143.81.31.8 | 2404458248 | 0 |
| 143.81.31.9 | 2404458249 | 0 |
| 143.81.31.10 | 2404458250 | 0 |
| 143.81.31.11 | 2404458251 | 0 |
| 143.81.31.12 | 2404458252 | 0 |
| 143.81.31.13 | 2404458253 | 0 |
| 143.81.31.14 | 2404458254 | 0 |
| 143.81.31.15 | 2404458255 | 0 |
| 143.81.31.16 | 2404458256 | 0 |
| 143.81.31.17 | 2404458257 | 0 |
| 143.81.31.18 | 2404458258 | 0 |
| 143.81.31.19 | 2404458259 | 0 |
| 143.81.31.20 | 2404458260 | 0 |
| 143.81.31.21 | 2404458261 | 0 |
| 143.81.31.22 | 2404458262 | 0 |
| 143.81.31.23 | 2404458263 | 0 |
| 143.81.31.24 | 2404458264 | 0 |
| 143.81.31.25 | 2404458265 | 0 |
| 143.81.31.26 | 2404458266 | 0 |
| 143.81.31.27 | 2404458267 | 0 |
| 143.81.31.28 | 2404458268 | 0 |
| 143.81.31.29 | 2404458269 | 0 |
| 143.81.31.30 | 2404458270 | 0 |
| 143.81.31.31 | 2404458271 | 0 |
| 143.81.31.32 | 2404458272 | 0 |
| 143.81.31.33 | 2404458273 | 0 |
| 143.81.31.34 | 2404458274 | 0 |
| 143.81.31.35 | 2404458275 | 0 |
| 143.81.31.36 | 2404458276 | 0 |
| 143.81.31.37 | 2404458277 | 0 |
| 143.81.31.38 | 2404458278 | 0 |
| 143.81.31.39 | 2404458279 | 0 |
| 143.81.31.40 | 2404458280 | 0 |
| 143.81.31.41 | 2404458281 | 0 |
| 143.81.31.42 | 2404458282 | 0 |
| 143.81.31.43 | 2404458283 | 0 |
| 143.81.31.44 | 2404458284 | 0 |
| 143.81.31.45 | 2404458285 | 0 |
| 143.81.31.46 | 2404458286 | 0 |
| 143.81.31.47 | 2404458287 | 0 |
| 143.81.31.48 | 2404458288 | 0 |
| 143.81.31.49 | 2404458289 | 0 |
| 143.81.31.50 | 2404458290 | 0 |
| 143.81.31.51 | 2404458291 | 0 |
| 143.81.31.52 | 2404458292 | 0 |
| 143.81.31.53 | 2404458293 | 0 |
| 143.81.31.54 | 2404458294 | 0 |
| 143.81.31.55 | 2404458295 | 0 |
| 143.81.31.56 | 2404458296 | 0 |
| 143.81.31.57 | 2404458297 | 0 |
| 143.81.31.58 | 2404458298 | 0 |
| 143.81.31.59 | 2404458299 | 0 |
| 143.81.31.60 | 2404458300 | 0 |
| 143.81.31.61 | 2404458301 | 0 |
| 143.81.31.62 | 2404458302 | 0 |
| 143.81.31.63 | 2404458303 | 0 |
| 143.81.31.64 | 2404458304 | 0 |
| 143.81.31.65 | 2404458305 | 0 |
| 143.81.31.66 | 2404458306 | 0 |
| 143.81.31.67 | 2404458307 | 0 |
| 143.81.31.68 | 2404458308 | 0 |
| 143.81.31.69 | 2404458309 | 0 |
| 143.81.31.70 | 2404458310 | 0 |
| 143.81.31.71 | 2404458311 | 0 |
| 143.81.31.72 | 2404458312 | 0 |
| 143.81.31.73 | 2404458313 | 0 |
| 143.81.31.74 | 2404458314 | 0 |
| 143.81.31.75 | 2404458315 | 0 |
| 143.81.31.76 | 2404458316 | 0 |
| 143.81.31.77 | 2404458317 | 0 |
| 143.81.31.78 | 2404458318 | 0 |
| 143.81.31.79 | 2404458319 | 0 |
| 143.81.31.80 | 2404458320 | 0 |
| 143.81.31.81 | 2404458321 | 0 |
| 143.81.31.82 | 2404458322 | 0 |
| 143.81.31.83 | 2404458323 | 0 |
| 143.81.31.84 | 2404458324 | 0 |
| 143.81.31.85 | 2404458325 | 0 |