The IP address 199.57.81 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 199.57.0.0/16 (range 199.57.0.0 to 199.57.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 199.57.0.0 |
| IP ending by | 199.57.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 199.57.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 05/04/2020 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Wauwatosa | 43.083 | -88.0379 | 2020-04-04 |
| MaxMind | US | United States | - | Milwaukee | 43.0846 | -88.0359 | 2020-04-04 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 199.57.81.0 | 3342422272 | 0 |
| 199.57.81.1 | 3342422273 | 0 |
| 199.57.81.2 | 3342422274 | 0 |
| 199.57.81.3 | 3342422275 | 0 |
| 199.57.81.4 | 3342422276 | 0 |
| 199.57.81.5 | 3342422277 | 0 |
| 199.57.81.6 | 3342422278 | 0 |
| 199.57.81.7 | 3342422279 | 0 |
| 199.57.81.8 | 3342422280 | 0 |
| 199.57.81.9 | 3342422281 | 0 |
| 199.57.81.10 | 3342422282 | 0 |
| 199.57.81.11 | 3342422283 | 0 |
| 199.57.81.12 | 3342422284 | 0 |
| 199.57.81.13 | 3342422285 | 0 |
| 199.57.81.14 | 3342422286 | 0 |
| 199.57.81.15 | 3342422287 | 0 |
| 199.57.81.16 | 3342422288 | 0 |
| 199.57.81.17 | 3342422289 | 0 |
| 199.57.81.18 | 3342422290 | 0 |
| 199.57.81.19 | 3342422291 | 0 |
| 199.57.81.20 | 3342422292 | 0 |
| 199.57.81.21 | 3342422293 | 0 |
| 199.57.81.22 | 3342422294 | 0 |
| 199.57.81.23 | 3342422295 | 0 |
| 199.57.81.24 | 3342422296 | 0 |
| 199.57.81.25 | 3342422297 | 0 |
| 199.57.81.26 | 3342422298 | 0 |
| 199.57.81.27 | 3342422299 | 0 |
| 199.57.81.28 | 3342422300 | 0 |
| 199.57.81.29 | 3342422301 | 0 |
| 199.57.81.30 | 3342422302 | 0 |
| 199.57.81.31 | 3342422303 | 0 |
| 199.57.81.32 | 3342422304 | 0 |
| 199.57.81.33 | 3342422305 | 0 |
| 199.57.81.34 | 3342422306 | 0 |
| 199.57.81.35 | 3342422307 | 0 |
| 199.57.81.36 | 3342422308 | 0 |
| 199.57.81.37 | 3342422309 | 0 |
| 199.57.81.38 | 3342422310 | 0 |
| 199.57.81.39 | 3342422311 | 0 |
| 199.57.81.40 | 3342422312 | 0 |
| 199.57.81.41 | 3342422313 | 0 |
| 199.57.81.42 | 3342422314 | 0 |
| 199.57.81.43 | 3342422315 | 0 |
| 199.57.81.44 | 3342422316 | 0 |
| 199.57.81.45 | 3342422317 | 0 |
| 199.57.81.46 | 3342422318 | 0 |
| 199.57.81.47 | 3342422319 | 0 |
| 199.57.81.48 | 3342422320 | 0 |
| 199.57.81.49 | 3342422321 | 0 |
| 199.57.81.50 | 3342422322 | 0 |
| 199.57.81.51 | 3342422323 | 0 |
| 199.57.81.52 | 3342422324 | 0 |
| 199.57.81.53 | 3342422325 | 0 |
| 199.57.81.54 | 3342422326 | 0 |
| 199.57.81.55 | 3342422327 | 0 |
| 199.57.81.56 | 3342422328 | 0 |
| 199.57.81.57 | 3342422329 | 0 |
| 199.57.81.58 | 3342422330 | 0 |
| 199.57.81.59 | 3342422331 | 0 |
| 199.57.81.60 | 3342422332 | 0 |
| 199.57.81.61 | 3342422333 | 0 |
| 199.57.81.62 | 3342422334 | 0 |
| 199.57.81.63 | 3342422335 | 0 |
| 199.57.81.64 | 3342422336 | 0 |
| 199.57.81.65 | 3342422337 | 0 |
| 199.57.81.66 | 3342422338 | 0 |
| 199.57.81.67 | 3342422339 | 0 |
| 199.57.81.68 | 3342422340 | 0 |
| 199.57.81.69 | 3342422341 | 0 |
| 199.57.81.70 | 3342422342 | 0 |
| 199.57.81.71 | 3342422343 | 0 |
| 199.57.81.72 | 3342422344 | 0 |
| 199.57.81.73 | 3342422345 | 0 |
| 199.57.81.74 | 3342422346 | 0 |
| 199.57.81.75 | 3342422347 | 0 |
| 199.57.81.76 | 3342422348 | 0 |
| 199.57.81.77 | 3342422349 | 0 |
| 199.57.81.78 | 3342422350 | 0 |
| 199.57.81.79 | 3342422351 | 0 |
| 199.57.81.80 | 3342422352 | 0 |
| 199.57.81.81 | 3342422353 | 0 |
| 199.57.81.82 | 3342422354 | 0 |
| 199.57.81.83 | 3342422355 | 0 |
| 199.57.81.84 | 3342422356 | 0 |
| 199.57.81.85 | 3342422357 | 0 |