The IP address 55.57.81 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 55.0.0.0/8 (range 55.0.0.0 to 55.255.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 55.0.0.0 |
| IP ending by | 55.255.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 55.0.0.0/8 |
| Numerical IP | |
| Registry | arin |
| Last update | 20/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Fort Huachuca | 31.5565 | -110.3506 | 2017-10-20 |
| MaxMind | US | United States | - | Fort Huachuca | 31.5273 | -110.3607 | 2017-10-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 55.57.81.0 | 926503168 | 0 |
| 55.57.81.1 | 926503169 | 0 |
| 55.57.81.2 | 926503170 | 0 |
| 55.57.81.3 | 926503171 | 0 |
| 55.57.81.4 | 926503172 | 0 |
| 55.57.81.5 | 926503173 | 0 |
| 55.57.81.6 | 926503174 | 0 |
| 55.57.81.7 | 926503175 | 0 |
| 55.57.81.8 | 926503176 | 0 |
| 55.57.81.9 | 926503177 | 0 |
| 55.57.81.10 | 926503178 | 0 |
| 55.57.81.11 | 926503179 | 0 |
| 55.57.81.12 | 926503180 | 0 |
| 55.57.81.13 | 926503181 | 0 |
| 55.57.81.14 | 926503182 | 0 |
| 55.57.81.15 | 926503183 | 0 |
| 55.57.81.16 | 926503184 | 0 |
| 55.57.81.17 | 926503185 | 0 |
| 55.57.81.18 | 926503186 | 0 |
| 55.57.81.19 | 926503187 | 0 |
| 55.57.81.20 | 926503188 | 0 |
| 55.57.81.21 | 926503189 | 0 |
| 55.57.81.22 | 926503190 | 0 |
| 55.57.81.23 | 926503191 | 0 |
| 55.57.81.24 | 926503192 | 0 |
| 55.57.81.25 | 926503193 | 0 |
| 55.57.81.26 | 926503194 | 0 |
| 55.57.81.27 | 926503195 | 0 |
| 55.57.81.28 | 926503196 | 0 |
| 55.57.81.29 | 926503197 | 0 |
| 55.57.81.30 | 926503198 | 0 |
| 55.57.81.31 | 926503199 | 0 |
| 55.57.81.32 | 926503200 | 0 |
| 55.57.81.33 | 926503201 | 0 |
| 55.57.81.34 | 926503202 | 0 |
| 55.57.81.35 | 926503203 | 0 |
| 55.57.81.36 | 926503204 | 0 |
| 55.57.81.37 | 926503205 | 0 |
| 55.57.81.38 | 926503206 | 0 |
| 55.57.81.39 | 926503207 | 0 |
| 55.57.81.40 | 926503208 | 0 |
| 55.57.81.41 | 926503209 | 0 |
| 55.57.81.42 | 926503210 | 0 |
| 55.57.81.43 | 926503211 | 0 |
| 55.57.81.44 | 926503212 | 0 |
| 55.57.81.45 | 926503213 | 0 |
| 55.57.81.46 | 926503214 | 0 |
| 55.57.81.47 | 926503215 | 0 |
| 55.57.81.48 | 926503216 | 0 |
| 55.57.81.49 | 926503217 | 0 |
| 55.57.81.50 | 926503218 | 0 |
| 55.57.81.51 | 926503219 | 0 |
| 55.57.81.52 | 926503220 | 0 |
| 55.57.81.53 | 926503221 | 0 |
| 55.57.81.54 | 926503222 | 0 |
| 55.57.81.55 | 926503223 | 0 |
| 55.57.81.56 | 926503224 | 0 |
| 55.57.81.57 | 926503225 | 0 |
| 55.57.81.58 | 926503226 | 0 |
| 55.57.81.59 | 926503227 | 0 |
| 55.57.81.60 | 926503228 | 0 |
| 55.57.81.61 | 926503229 | 0 |
| 55.57.81.62 | 926503230 | 0 |
| 55.57.81.63 | 926503231 | 0 |
| 55.57.81.64 | 926503232 | 0 |
| 55.57.81.65 | 926503233 | 0 |
| 55.57.81.66 | 926503234 | 0 |
| 55.57.81.67 | 926503235 | 0 |
| 55.57.81.68 | 926503236 | 0 |
| 55.57.81.69 | 926503237 | 0 |
| 55.57.81.70 | 926503238 | 0 |
| 55.57.81.71 | 926503239 | 0 |
| 55.57.81.72 | 926503240 | 0 |
| 55.57.81.73 | 926503241 | 0 |
| 55.57.81.74 | 926503242 | 0 |
| 55.57.81.75 | 926503243 | 0 |
| 55.57.81.76 | 926503244 | 0 |
| 55.57.81.77 | 926503245 | 0 |
| 55.57.81.78 | 926503246 | 0 |
| 55.57.81.79 | 926503247 | 0 |
| 55.57.81.80 | 926503248 | 0 |
| 55.57.81.81 | 926503249 | 0 |
| 55.57.81.82 | 926503250 | 0 |
| 55.57.81.83 | 926503251 | 0 |
| 55.57.81.84 | 926503252 | 0 |
| 55.57.81.85 | 926503253 | 0 |