The IP address 131.87.12 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 131.86.0.0/15 (range 131.86.0.0 to 131.87.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 131.86.0.0 |
| IP ending by | 131.87.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 131.86.0.0/15 |
| Numerical IP | |
| Registry | arin |
| Last update | 19/06/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | San Francisco | 37.7885 | -122.3946 | 2019-06-19 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2019-06-19 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.87.12.0 | 2203520000 | 0 |
| 131.87.12.1 | 2203520001 | 0 |
| 131.87.12.2 | 2203520002 | 0 |
| 131.87.12.3 | 2203520003 | 0 |
| 131.87.12.4 | 2203520004 | 0 |
| 131.87.12.5 | 2203520005 | 0 |
| 131.87.12.6 | 2203520006 | 0 |
| 131.87.12.7 | 2203520007 | 0 |
| 131.87.12.8 | 2203520008 | 0 |
| 131.87.12.9 | 2203520009 | 0 |
| 131.87.12.10 | 2203520010 | 0 |
| 131.87.12.11 | 2203520011 | 0 |
| 131.87.12.12 | 2203520012 | 0 |
| 131.87.12.13 | 2203520013 | 0 |
| 131.87.12.14 | 2203520014 | 0 |
| 131.87.12.15 | 2203520015 | 0 |
| 131.87.12.16 | 2203520016 | 0 |
| 131.87.12.17 | 2203520017 | 0 |
| 131.87.12.18 | 2203520018 | 0 |
| 131.87.12.19 | 2203520019 | 0 |
| 131.87.12.20 | 2203520020 | 0 |
| 131.87.12.21 | 2203520021 | 0 |
| 131.87.12.22 | 2203520022 | 0 |
| 131.87.12.23 | 2203520023 | 0 |
| 131.87.12.24 | 2203520024 | 0 |
| 131.87.12.25 | 2203520025 | 0 |
| 131.87.12.26 | 2203520026 | 0 |
| 131.87.12.27 | 2203520027 | 0 |
| 131.87.12.28 | 2203520028 | 0 |
| 131.87.12.29 | 2203520029 | 0 |
| 131.87.12.30 | 2203520030 | 0 |
| 131.87.12.31 | 2203520031 | 0 |
| 131.87.12.32 | 2203520032 | 0 |
| 131.87.12.33 | 2203520033 | 0 |
| 131.87.12.34 | 2203520034 | 0 |
| 131.87.12.35 | 2203520035 | 0 |
| 131.87.12.36 | 2203520036 | 0 |
| 131.87.12.37 | 2203520037 | 0 |
| 131.87.12.38 | 2203520038 | 0 |
| 131.87.12.39 | 2203520039 | 0 |
| 131.87.12.40 | 2203520040 | 0 |
| 131.87.12.41 | 2203520041 | 0 |
| 131.87.12.42 | 2203520042 | 0 |
| 131.87.12.43 | 2203520043 | 0 |
| 131.87.12.44 | 2203520044 | 0 |
| 131.87.12.45 | 2203520045 | 0 |
| 131.87.12.46 | 2203520046 | 0 |
| 131.87.12.47 | 2203520047 | 0 |
| 131.87.12.48 | 2203520048 | 0 |
| 131.87.12.49 | 2203520049 | 0 |
| 131.87.12.50 | 2203520050 | 0 |
| 131.87.12.51 | 2203520051 | 0 |
| 131.87.12.52 | 2203520052 | 0 |
| 131.87.12.53 | 2203520053 | 0 |
| 131.87.12.54 | 2203520054 | 0 |
| 131.87.12.55 | 2203520055 | 0 |
| 131.87.12.56 | 2203520056 | 0 |
| 131.87.12.57 | 2203520057 | 0 |
| 131.87.12.58 | 2203520058 | 0 |
| 131.87.12.59 | 2203520059 | 0 |
| 131.87.12.60 | 2203520060 | 0 |
| 131.87.12.61 | 2203520061 | 0 |
| 131.87.12.62 | 2203520062 | 0 |
| 131.87.12.63 | 2203520063 | 0 |
| 131.87.12.64 | 2203520064 | 0 |
| 131.87.12.65 | 2203520065 | 0 |
| 131.87.12.66 | 2203520066 | 0 |
| 131.87.12.67 | 2203520067 | 0 |
| 131.87.12.68 | 2203520068 | 0 |
| 131.87.12.69 | 2203520069 | 0 |
| 131.87.12.70 | 2203520070 | 0 |
| 131.87.12.71 | 2203520071 | 0 |
| 131.87.12.72 | 2203520072 | 0 |
| 131.87.12.73 | 2203520073 | 0 |
| 131.87.12.74 | 2203520074 | 0 |
| 131.87.12.75 | 2203520075 | 0 |
| 131.87.12.76 | 2203520076 | 0 |
| 131.87.12.77 | 2203520077 | 0 |
| 131.87.12.78 | 2203520078 | 0 |
| 131.87.12.79 | 2203520079 | 0 |
| 131.87.12.80 | 2203520080 | 0 |
| 131.87.12.81 | 2203520081 | 0 |
| 131.87.12.82 | 2203520082 | 0 |
| 131.87.12.83 | 2203520083 | 0 |
| 131.87.12.84 | 2203520084 | 0 |
| 131.87.12.85 | 2203520085 | 0 |