Les adresses IP débutant par 131.81.56 sont fournies par DoD Network Information Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 131.80.0.0/14, le bloc IP comprant les adresses de 131.80.0.0 à 131.83.255.255). Le numéro de système autonome (ASN) est 721.
| ASN | 721 |
| IP commençant par | 131.80.0.0 |
| IP se terminant par | 131.83.255.255 |
| Nom ASN | DoD Network Information Center |
| CDIR | 131.80.0.0/14 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 10/10/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Richmond | 37,5538 | -77,4603 | 2018-10-10 |
| MaxMind | US | États-Unis | - | Aldie | 38,9636 | -77,6131 | 2018-10-10 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.81.56.0 | 2203138048 | 0 |
| 131.81.56.1 | 2203138049 | 0 |
| 131.81.56.2 | 2203138050 | 0 |
| 131.81.56.3 | 2203138051 | 0 |
| 131.81.56.4 | 2203138052 | 0 |
| 131.81.56.5 | 2203138053 | 0 |
| 131.81.56.6 | 2203138054 | 0 |
| 131.81.56.7 | 2203138055 | 0 |
| 131.81.56.8 | 2203138056 | 0 |
| 131.81.56.9 | 2203138057 | 0 |
| 131.81.56.10 | 2203138058 | 0 |
| 131.81.56.11 | 2203138059 | 0 |
| 131.81.56.12 | 2203138060 | 0 |
| 131.81.56.13 | 2203138061 | 0 |
| 131.81.56.14 | 2203138062 | 0 |
| 131.81.56.15 | 2203138063 | 0 |
| 131.81.56.16 | 2203138064 | 0 |
| 131.81.56.17 | 2203138065 | 0 |
| 131.81.56.18 | 2203138066 | 0 |
| 131.81.56.19 | 2203138067 | 0 |
| 131.81.56.20 | 2203138068 | 0 |
| 131.81.56.21 | 2203138069 | 0 |
| 131.81.56.22 | 2203138070 | 0 |
| 131.81.56.23 | 2203138071 | 0 |
| 131.81.56.24 | 2203138072 | 0 |
| 131.81.56.25 | 2203138073 | 0 |
| 131.81.56.26 | 2203138074 | 0 |
| 131.81.56.27 | 2203138075 | 0 |
| 131.81.56.28 | 2203138076 | 0 |
| 131.81.56.29 | 2203138077 | 0 |
| 131.81.56.30 | 2203138078 | 0 |
| 131.81.56.31 | 2203138079 | 0 |
| 131.81.56.32 | 2203138080 | 0 |
| 131.81.56.33 | 2203138081 | 0 |
| 131.81.56.34 | 2203138082 | 0 |
| 131.81.56.35 | 2203138083 | 0 |
| 131.81.56.36 | 2203138084 | 0 |
| 131.81.56.37 | 2203138085 | 0 |
| 131.81.56.38 | 2203138086 | 0 |
| 131.81.56.39 | 2203138087 | 0 |
| 131.81.56.40 | 2203138088 | 0 |
| 131.81.56.41 | 2203138089 | 0 |
| 131.81.56.42 | 2203138090 | 0 |
| 131.81.56.43 | 2203138091 | 0 |
| 131.81.56.44 | 2203138092 | 0 |
| 131.81.56.45 | 2203138093 | 0 |
| 131.81.56.46 | 2203138094 | 0 |
| 131.81.56.47 | 2203138095 | 0 |
| 131.81.56.48 | 2203138096 | 0 |
| 131.81.56.49 | 2203138097 | 0 |
| 131.81.56.50 | 2203138098 | 0 |
| 131.81.56.51 | 2203138099 | 0 |
| 131.81.56.52 | 2203138100 | 0 |
| 131.81.56.53 | 2203138101 | 0 |
| 131.81.56.54 | 2203138102 | 0 |
| 131.81.56.55 | 2203138103 | 0 |
| 131.81.56.56 | 2203138104 | 0 |
| 131.81.56.57 | 2203138105 | 0 |
| 131.81.56.58 | 2203138106 | 0 |
| 131.81.56.59 | 2203138107 | 0 |
| 131.81.56.60 | 2203138108 | 0 |
| 131.81.56.61 | 2203138109 | 0 |
| 131.81.56.62 | 2203138110 | 0 |
| 131.81.56.63 | 2203138111 | 0 |
| 131.81.56.64 | 2203138112 | 0 |
| 131.81.56.65 | 2203138113 | 0 |
| 131.81.56.66 | 2203138114 | 0 |
| 131.81.56.67 | 2203138115 | 0 |
| 131.81.56.68 | 2203138116 | 0 |
| 131.81.56.69 | 2203138117 | 0 |
| 131.81.56.70 | 2203138118 | 0 |
| 131.81.56.71 | 2203138119 | 0 |
| 131.81.56.72 | 2203138120 | 0 |
| 131.81.56.73 | 2203138121 | 0 |
| 131.81.56.74 | 2203138122 | 0 |
| 131.81.56.75 | 2203138123 | 0 |
| 131.81.56.76 | 2203138124 | 0 |
| 131.81.56.77 | 2203138125 | 0 |
| 131.81.56.78 | 2203138126 | 0 |
| 131.81.56.79 | 2203138127 | 0 |
| 131.81.56.80 | 2203138128 | 0 |
| 131.81.56.81 | 2203138129 | 0 |
| 131.81.56.82 | 2203138130 | 0 |
| 131.81.56.83 | 2203138131 | 0 |
| 131.81.56.84 | 2203138132 | 0 |
| 131.81.56.85 | 2203138133 | 0 |