L'indirizzo IP 131.81.28 è fornito da DoD Network Information Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 131.80.0.0/14, IP tra 131.80.0.0 a 131.83.255.255 ). Il numero di sistema autonomo (ASN) è 721.
| ASN | 721 |
| IP inizia con | 131.80.0.0 |
| IP finale con | 131.83.255.255 |
| ASN Nome | DoD Network Information Center |
| CDIR | 131.80.0.0/14 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 29/11/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-11-28 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-11-28 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.81.28.0 | 2203130880 | 0 |
| 131.81.28.1 | 2203130881 | 0 |
| 131.81.28.2 | 2203130882 | 0 |
| 131.81.28.3 | 2203130883 | 0 |
| 131.81.28.4 | 2203130884 | 0 |
| 131.81.28.5 | 2203130885 | 0 |
| 131.81.28.6 | 2203130886 | 0 |
| 131.81.28.7 | 2203130887 | 0 |
| 131.81.28.8 | 2203130888 | 0 |
| 131.81.28.9 | 2203130889 | 0 |
| 131.81.28.10 | 2203130890 | 0 |
| 131.81.28.11 | 2203130891 | 0 |
| 131.81.28.12 | 2203130892 | 0 |
| 131.81.28.13 | 2203130893 | 0 |
| 131.81.28.14 | 2203130894 | 0 |
| 131.81.28.15 | 2203130895 | 0 |
| 131.81.28.16 | 2203130896 | 0 |
| 131.81.28.17 | 2203130897 | 0 |
| 131.81.28.18 | 2203130898 | 0 |
| 131.81.28.19 | 2203130899 | 0 |
| 131.81.28.20 | 2203130900 | 0 |
| 131.81.28.21 | 2203130901 | 0 |
| 131.81.28.22 | 2203130902 | 0 |
| 131.81.28.23 | 2203130903 | 0 |
| 131.81.28.24 | 2203130904 | 0 |
| 131.81.28.25 | 2203130905 | 0 |
| 131.81.28.26 | 2203130906 | 0 |
| 131.81.28.27 | 2203130907 | 0 |
| 131.81.28.28 | 2203130908 | 0 |
| 131.81.28.29 | 2203130909 | 0 |
| 131.81.28.30 | 2203130910 | 0 |
| 131.81.28.31 | 2203130911 | 0 |
| 131.81.28.32 | 2203130912 | 0 |
| 131.81.28.33 | 2203130913 | 0 |
| 131.81.28.34 | 2203130914 | 0 |
| 131.81.28.35 | 2203130915 | 0 |
| 131.81.28.36 | 2203130916 | 0 |
| 131.81.28.37 | 2203130917 | 0 |
| 131.81.28.38 | 2203130918 | 0 |
| 131.81.28.39 | 2203130919 | 0 |
| 131.81.28.40 | 2203130920 | 0 |
| 131.81.28.41 | 2203130921 | 0 |
| 131.81.28.42 | 2203130922 | 0 |
| 131.81.28.43 | 2203130923 | 0 |
| 131.81.28.44 | 2203130924 | 0 |
| 131.81.28.45 | 2203130925 | 0 |
| 131.81.28.46 | 2203130926 | 0 |
| 131.81.28.47 | 2203130927 | 0 |
| 131.81.28.48 | 2203130928 | 0 |
| 131.81.28.49 | 2203130929 | 0 |
| 131.81.28.50 | 2203130930 | 0 |
| 131.81.28.51 | 2203130931 | 0 |
| 131.81.28.52 | 2203130932 | 0 |
| 131.81.28.53 | 2203130933 | 0 |
| 131.81.28.54 | 2203130934 | 0 |
| 131.81.28.55 | 2203130935 | 0 |
| 131.81.28.56 | 2203130936 | 0 |
| 131.81.28.57 | 2203130937 | 0 |
| 131.81.28.58 | 2203130938 | 0 |
| 131.81.28.59 | 2203130939 | 0 |
| 131.81.28.60 | 2203130940 | 0 |
| 131.81.28.61 | 2203130941 | 0 |
| 131.81.28.62 | 2203130942 | 0 |
| 131.81.28.63 | 2203130943 | 0 |
| 131.81.28.64 | 2203130944 | 0 |
| 131.81.28.65 | 2203130945 | 0 |
| 131.81.28.66 | 2203130946 | 0 |
| 131.81.28.67 | 2203130947 | 0 |
| 131.81.28.68 | 2203130948 | 0 |
| 131.81.28.69 | 2203130949 | 0 |
| 131.81.28.70 | 2203130950 | 0 |
| 131.81.28.71 | 2203130951 | 0 |
| 131.81.28.72 | 2203130952 | 0 |
| 131.81.28.73 | 2203130953 | 0 |
| 131.81.28.74 | 2203130954 | 0 |
| 131.81.28.75 | 2203130955 | 0 |
| 131.81.28.76 | 2203130956 | 0 |
| 131.81.28.77 | 2203130957 | 0 |
| 131.81.28.78 | 2203130958 | 0 |
| 131.81.28.79 | 2203130959 | 0 |
| 131.81.28.80 | 2203130960 | 0 |
| 131.81.28.81 | 2203130961 | 0 |
| 131.81.28.82 | 2203130962 | 0 |
| 131.81.28.83 | 2203130963 | 0 |
| 131.81.28.84 | 2203130964 | 0 |
| 131.81.28.85 | 2203130965 | 0 |