The IP address 131.51.72 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 131.32.0.0/11 (range 131.32.0.0 to 131.63.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 131.32.0.0 |
| IP ending by | 131.63.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 131.32.0.0/11 |
| Numerical IP | |
| Registry | arin |
| Last update | 09/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Montgomery | 32.4045 | -86.2459 | 2017-07-08 |
| MaxMind | US | United States | - | Montgomery | 32.404 | -86.2539 | 2017-07-08 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.51.72.0 | 2201176064 | 0 |
| 131.51.72.1 | 2201176065 | 0 |
| 131.51.72.2 | 2201176066 | 0 |
| 131.51.72.3 | 2201176067 | 0 |
| 131.51.72.4 | 2201176068 | 0 |
| 131.51.72.5 | 2201176069 | 0 |
| 131.51.72.6 | 2201176070 | 0 |
| 131.51.72.7 | 2201176071 | 0 |
| 131.51.72.8 | 2201176072 | 0 |
| 131.51.72.9 | 2201176073 | 0 |
| 131.51.72.10 | 2201176074 | 0 |
| 131.51.72.11 | 2201176075 | 0 |
| 131.51.72.12 | 2201176076 | 0 |
| 131.51.72.13 | 2201176077 | 0 |
| 131.51.72.14 | 2201176078 | 0 |
| 131.51.72.15 | 2201176079 | 0 |
| 131.51.72.16 | 2201176080 | 0 |
| 131.51.72.17 | 2201176081 | 0 |
| 131.51.72.18 | 2201176082 | 0 |
| 131.51.72.19 | 2201176083 | 0 |
| 131.51.72.20 | 2201176084 | 0 |
| 131.51.72.21 | 2201176085 | 0 |
| 131.51.72.22 | 2201176086 | 0 |
| 131.51.72.23 | 2201176087 | 0 |
| 131.51.72.24 | 2201176088 | 0 |
| 131.51.72.25 | 2201176089 | 0 |
| 131.51.72.26 | 2201176090 | 0 |
| 131.51.72.27 | 2201176091 | 0 |
| 131.51.72.28 | 2201176092 | 0 |
| 131.51.72.29 | 2201176093 | 0 |
| 131.51.72.30 | 2201176094 | 0 |
| 131.51.72.31 | 2201176095 | 0 |
| 131.51.72.32 | 2201176096 | 0 |
| 131.51.72.33 | 2201176097 | 0 |
| 131.51.72.34 | 2201176098 | 0 |
| 131.51.72.35 | 2201176099 | 0 |
| 131.51.72.36 | 2201176100 | 0 |
| 131.51.72.37 | 2201176101 | 0 |
| 131.51.72.38 | 2201176102 | 0 |
| 131.51.72.39 | 2201176103 | 0 |
| 131.51.72.40 | 2201176104 | 0 |
| 131.51.72.41 | 2201176105 | 0 |
| 131.51.72.42 | 2201176106 | 0 |
| 131.51.72.43 | 2201176107 | 0 |
| 131.51.72.44 | 2201176108 | 0 |
| 131.51.72.45 | 2201176109 | 0 |
| 131.51.72.46 | 2201176110 | 0 |
| 131.51.72.47 | 2201176111 | 0 |
| 131.51.72.48 | 2201176112 | 0 |
| 131.51.72.49 | 2201176113 | 0 |
| 131.51.72.50 | 2201176114 | 0 |
| 131.51.72.51 | 2201176115 | 0 |
| 131.51.72.52 | 2201176116 | 0 |
| 131.51.72.53 | 2201176117 | 0 |
| 131.51.72.54 | 2201176118 | 0 |
| 131.51.72.55 | 2201176119 | 0 |
| 131.51.72.56 | 2201176120 | 0 |
| 131.51.72.57 | 2201176121 | 0 |
| 131.51.72.58 | 2201176122 | 0 |
| 131.51.72.59 | 2201176123 | 0 |
| 131.51.72.60 | 2201176124 | 0 |
| 131.51.72.61 | 2201176125 | 0 |
| 131.51.72.62 | 2201176126 | 0 |
| 131.51.72.63 | 2201176127 | 0 |
| 131.51.72.64 | 2201176128 | 0 |
| 131.51.72.65 | 2201176129 | 0 |
| 131.51.72.66 | 2201176130 | 0 |
| 131.51.72.67 | 2201176131 | 0 |
| 131.51.72.68 | 2201176132 | 0 |
| 131.51.72.69 | 2201176133 | 0 |
| 131.51.72.70 | 2201176134 | 0 |
| 131.51.72.71 | 2201176135 | 0 |
| 131.51.72.72 | 2201176136 | 0 |
| 131.51.72.73 | 2201176137 | 0 |
| 131.51.72.74 | 2201176138 | 0 |
| 131.51.72.75 | 2201176139 | 0 |
| 131.51.72.76 | 2201176140 | 0 |
| 131.51.72.77 | 2201176141 | 0 |
| 131.51.72.78 | 2201176142 | 0 |
| 131.51.72.79 | 2201176143 | 0 |
| 131.51.72.80 | 2201176144 | 0 |
| 131.51.72.81 | 2201176145 | 0 |
| 131.51.72.82 | 2201176146 | 0 |
| 131.51.72.83 | 2201176147 | 0 |
| 131.51.72.84 | 2201176148 | 0 |
| 131.51.72.85 | 2201176149 | 0 |