Les adresses IP débutant par 205.57.51 sont fournies par DoD Network Information Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 205.56.0.0/13, le bloc IP comprant les adresses de 205.56.0.0 à 205.63.255.255). Le numéro de système autonome (ASN) est 721.
| ASN | 721 |
| IP commençant par | 205.56.0.0 |
| IP se terminant par | 205.63.255.255 |
| Nom ASN | DoD Network Information Center |
| CDIR | 205.56.0.0/13 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 10/05/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Salt Lake City | 40,7636 | -111,8418 | 2019-05-10 |
| MaxMind | US | États-Unis | - | Virginia Beach | 36,9205 | -76,0192 | 2019-05-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 205.57.51.0 | 3443077888 | 0 |
| 205.57.51.1 | 3443077889 | 0 |
| 205.57.51.2 | 3443077890 | 0 |
| 205.57.51.3 | 3443077891 | 0 |
| 205.57.51.4 | 3443077892 | 0 |
| 205.57.51.5 | 3443077893 | 0 |
| 205.57.51.6 | 3443077894 | 0 |
| 205.57.51.7 | 3443077895 | 0 |
| 205.57.51.8 | 3443077896 | 0 |
| 205.57.51.9 | 3443077897 | 0 |
| 205.57.51.10 | 3443077898 | 0 |
| 205.57.51.11 | 3443077899 | 0 |
| 205.57.51.12 | 3443077900 | 0 |
| 205.57.51.13 | 3443077901 | 0 |
| 205.57.51.14 | 3443077902 | 0 |
| 205.57.51.15 | 3443077903 | 0 |
| 205.57.51.16 | 3443077904 | 0 |
| 205.57.51.17 | 3443077905 | 0 |
| 205.57.51.18 | 3443077906 | 0 |
| 205.57.51.19 | 3443077907 | 0 |
| 205.57.51.20 | 3443077908 | 0 |
| 205.57.51.21 | 3443077909 | 0 |
| 205.57.51.22 | 3443077910 | 0 |
| 205.57.51.23 | 3443077911 | 0 |
| 205.57.51.24 | 3443077912 | 0 |
| 205.57.51.25 | 3443077913 | 0 |
| 205.57.51.26 | 3443077914 | 0 |
| 205.57.51.27 | 3443077915 | 0 |
| 205.57.51.28 | 3443077916 | 0 |
| 205.57.51.29 | 3443077917 | 0 |
| 205.57.51.30 | 3443077918 | 0 |
| 205.57.51.31 | 3443077919 | 0 |
| 205.57.51.32 | 3443077920 | 0 |
| 205.57.51.33 | 3443077921 | 0 |
| 205.57.51.34 | 3443077922 | 0 |
| 205.57.51.35 | 3443077923 | 0 |
| 205.57.51.36 | 3443077924 | 0 |
| 205.57.51.37 | 3443077925 | 0 |
| 205.57.51.38 | 3443077926 | 0 |
| 205.57.51.39 | 3443077927 | 0 |
| 205.57.51.40 | 3443077928 | 0 |
| 205.57.51.41 | 3443077929 | 0 |
| 205.57.51.42 | 3443077930 | 0 |
| 205.57.51.43 | 3443077931 | 0 |
| 205.57.51.44 | 3443077932 | 0 |
| 205.57.51.45 | 3443077933 | 0 |
| 205.57.51.46 | 3443077934 | 0 |
| 205.57.51.47 | 3443077935 | 0 |
| 205.57.51.48 | 3443077936 | 0 |
| 205.57.51.49 | 3443077937 | 0 |
| 205.57.51.50 | 3443077938 | 0 |
| 205.57.51.51 | 3443077939 | 0 |
| 205.57.51.52 | 3443077940 | 0 |
| 205.57.51.53 | 3443077941 | 0 |
| 205.57.51.54 | 3443077942 | 0 |
| 205.57.51.55 | 3443077943 | 0 |
| 205.57.51.56 | 3443077944 | 0 |
| 205.57.51.57 | 3443077945 | 0 |
| 205.57.51.58 | 3443077946 | 0 |
| 205.57.51.59 | 3443077947 | 0 |
| 205.57.51.60 | 3443077948 | 0 |
| 205.57.51.61 | 3443077949 | 0 |
| 205.57.51.62 | 3443077950 | 0 |
| 205.57.51.63 | 3443077951 | 0 |
| 205.57.51.64 | 3443077952 | 0 |
| 205.57.51.65 | 3443077953 | 0 |
| 205.57.51.66 | 3443077954 | 0 |
| 205.57.51.67 | 3443077955 | 0 |
| 205.57.51.68 | 3443077956 | 0 |
| 205.57.51.69 | 3443077957 | 0 |
| 205.57.51.70 | 3443077958 | 0 |
| 205.57.51.71 | 3443077959 | 0 |
| 205.57.51.72 | 3443077960 | 0 |
| 205.57.51.73 | 3443077961 | 0 |
| 205.57.51.74 | 3443077962 | 0 |
| 205.57.51.75 | 3443077963 | 0 |
| 205.57.51.76 | 3443077964 | 0 |
| 205.57.51.77 | 3443077965 | 0 |
| 205.57.51.78 | 3443077966 | 0 |
| 205.57.51.79 | 3443077967 | 0 |
| 205.57.51.80 | 3443077968 | 0 |
| 205.57.51.81 | 3443077969 | 0 |
| 205.57.51.82 | 3443077970 | 0 |
| 205.57.51.83 | 3443077971 | 0 |
| 205.57.51.84 | 3443077972 | 0 |
| 205.57.51.85 | 3443077973 | 0 |