The IP address 131.66.91 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 131.64.0.0/13 (range 131.64.0.0 to 131.71.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 131.64.0.0 |
| IP ending by | 131.71.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 131.64.0.0/13 |
| Numerical IP | |
| Registry | arin |
| Last update | 25/05/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Pearland | 29.5636 | -95.2861 | 2019-05-25 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2019-05-25 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.66.91.0 | 2202163968 | 0 |
| 131.66.91.1 | 2202163969 | 0 |
| 131.66.91.2 | 2202163970 | 0 |
| 131.66.91.3 | 2202163971 | 0 |
| 131.66.91.4 | 2202163972 | 0 |
| 131.66.91.5 | 2202163973 | 0 |
| 131.66.91.6 | 2202163974 | 0 |
| 131.66.91.7 | 2202163975 | 0 |
| 131.66.91.8 | 2202163976 | 0 |
| 131.66.91.9 | 2202163977 | 0 |
| 131.66.91.10 | 2202163978 | 0 |
| 131.66.91.11 | 2202163979 | 0 |
| 131.66.91.12 | 2202163980 | 0 |
| 131.66.91.13 | 2202163981 | 0 |
| 131.66.91.14 | 2202163982 | 0 |
| 131.66.91.15 | 2202163983 | 0 |
| 131.66.91.16 | 2202163984 | 0 |
| 131.66.91.17 | 2202163985 | 0 |
| 131.66.91.18 | 2202163986 | 0 |
| 131.66.91.19 | 2202163987 | 0 |
| 131.66.91.20 | 2202163988 | 0 |
| 131.66.91.21 | 2202163989 | 0 |
| 131.66.91.22 | 2202163990 | 0 |
| 131.66.91.23 | 2202163991 | 0 |
| 131.66.91.24 | 2202163992 | 0 |
| 131.66.91.25 | 2202163993 | 0 |
| 131.66.91.26 | 2202163994 | 0 |
| 131.66.91.27 | 2202163995 | 0 |
| 131.66.91.28 | 2202163996 | 0 |
| 131.66.91.29 | 2202163997 | 0 |
| 131.66.91.30 | 2202163998 | 0 |
| 131.66.91.31 | 2202163999 | 0 |
| 131.66.91.32 | 2202164000 | 0 |
| 131.66.91.33 | 2202164001 | 0 |
| 131.66.91.34 | 2202164002 | 0 |
| 131.66.91.35 | 2202164003 | 0 |
| 131.66.91.36 | 2202164004 | 0 |
| 131.66.91.37 | 2202164005 | 0 |
| 131.66.91.38 | 2202164006 | 0 |
| 131.66.91.39 | 2202164007 | 0 |
| 131.66.91.40 | 2202164008 | 0 |
| 131.66.91.41 | 2202164009 | 0 |
| 131.66.91.42 | 2202164010 | 0 |
| 131.66.91.43 | 2202164011 | 0 |
| 131.66.91.44 | 2202164012 | 0 |
| 131.66.91.45 | 2202164013 | 0 |
| 131.66.91.46 | 2202164014 | 0 |
| 131.66.91.47 | 2202164015 | 0 |
| 131.66.91.48 | 2202164016 | 0 |
| 131.66.91.49 | 2202164017 | 0 |
| 131.66.91.50 | 2202164018 | 0 |
| 131.66.91.51 | 2202164019 | 0 |
| 131.66.91.52 | 2202164020 | 0 |
| 131.66.91.53 | 2202164021 | 0 |
| 131.66.91.54 | 2202164022 | 0 |
| 131.66.91.55 | 2202164023 | 0 |
| 131.66.91.56 | 2202164024 | 0 |
| 131.66.91.57 | 2202164025 | 0 |
| 131.66.91.58 | 2202164026 | 0 |
| 131.66.91.59 | 2202164027 | 0 |
| 131.66.91.60 | 2202164028 | 0 |
| 131.66.91.61 | 2202164029 | 0 |
| 131.66.91.62 | 2202164030 | 0 |
| 131.66.91.63 | 2202164031 | 0 |
| 131.66.91.64 | 2202164032 | 0 |
| 131.66.91.65 | 2202164033 | 0 |
| 131.66.91.66 | 2202164034 | 0 |
| 131.66.91.67 | 2202164035 | 0 |
| 131.66.91.68 | 2202164036 | 0 |
| 131.66.91.69 | 2202164037 | 0 |
| 131.66.91.70 | 2202164038 | 0 |
| 131.66.91.71 | 2202164039 | 0 |
| 131.66.91.72 | 2202164040 | 0 |
| 131.66.91.73 | 2202164041 | 0 |
| 131.66.91.74 | 2202164042 | 0 |
| 131.66.91.75 | 2202164043 | 0 |
| 131.66.91.76 | 2202164044 | 0 |
| 131.66.91.77 | 2202164045 | 0 |
| 131.66.91.78 | 2202164046 | 0 |
| 131.66.91.79 | 2202164047 | 0 |
| 131.66.91.80 | 2202164048 | 0 |
| 131.66.91.81 | 2202164049 | 0 |
| 131.66.91.82 | 2202164050 | 0 |
| 131.66.91.83 | 2202164051 | 0 |
| 131.66.91.84 | 2202164052 | 0 |
| 131.66.91.85 | 2202164053 | 0 |