The IP address 55.23.81 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 55.0.0.0/8 (range 55.0.0.0 to 55.255.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 55.0.0.0 |
| IP ending by | 55.255.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 55.0.0.0/8 |
| Numerical IP | |
| Registry | arin |
| Last update | 20/09/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Fort Huachuca | 31.5565 | -110.3506 | 2017-11-22 |
| MaxMind | US | United States | - | Fort Huachuca | 31.5273 | -110.3607 | 2017-11-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 55.23.81.0 | 924274944 | 0 |
| 55.23.81.1 | 924274945 | 0 |
| 55.23.81.2 | 924274946 | 0 |
| 55.23.81.3 | 924274947 | 0 |
| 55.23.81.4 | 924274948 | 0 |
| 55.23.81.5 | 924274949 | 0 |
| 55.23.81.6 | 924274950 | 0 |
| 55.23.81.7 | 924274951 | 0 |
| 55.23.81.8 | 924274952 | 0 |
| 55.23.81.9 | 924274953 | 0 |
| 55.23.81.10 | 924274954 | 0 |
| 55.23.81.11 | 924274955 | 0 |
| 55.23.81.12 | 924274956 | 0 |
| 55.23.81.13 | 924274957 | 0 |
| 55.23.81.14 | 924274958 | 0 |
| 55.23.81.15 | 924274959 | 0 |
| 55.23.81.16 | 924274960 | 0 |
| 55.23.81.17 | 924274961 | 0 |
| 55.23.81.18 | 924274962 | 0 |
| 55.23.81.19 | 924274963 | 0 |
| 55.23.81.20 | 924274964 | 0 |
| 55.23.81.21 | 924274965 | 0 |
| 55.23.81.22 | 924274966 | 0 |
| 55.23.81.23 | 924274967 | 0 |
| 55.23.81.24 | 924274968 | 0 |
| 55.23.81.25 | 924274969 | 0 |
| 55.23.81.26 | 924274970 | 0 |
| 55.23.81.27 | 924274971 | 0 |
| 55.23.81.28 | 924274972 | 0 |
| 55.23.81.29 | 924274973 | 0 |
| 55.23.81.30 | 924274974 | 0 |
| 55.23.81.31 | 924274975 | 0 |
| 55.23.81.32 | 924274976 | 0 |
| 55.23.81.33 | 924274977 | 0 |
| 55.23.81.34 | 924274978 | 0 |
| 55.23.81.35 | 924274979 | 0 |
| 55.23.81.36 | 924274980 | 0 |
| 55.23.81.37 | 924274981 | 0 |
| 55.23.81.38 | 924274982 | 0 |
| 55.23.81.39 | 924274983 | 0 |
| 55.23.81.40 | 924274984 | 0 |
| 55.23.81.41 | 924274985 | 0 |
| 55.23.81.42 | 924274986 | 0 |
| 55.23.81.43 | 924274987 | 0 |
| 55.23.81.44 | 924274988 | 0 |
| 55.23.81.45 | 924274989 | 0 |
| 55.23.81.46 | 924274990 | 0 |
| 55.23.81.47 | 924274991 | 0 |
| 55.23.81.48 | 924274992 | 0 |
| 55.23.81.49 | 924274993 | 0 |
| 55.23.81.50 | 924274994 | 0 |
| 55.23.81.51 | 924274995 | 0 |
| 55.23.81.52 | 924274996 | 0 |
| 55.23.81.53 | 924274997 | 0 |
| 55.23.81.54 | 924274998 | 0 |
| 55.23.81.55 | 924274999 | 0 |
| 55.23.81.56 | 924275000 | 0 |
| 55.23.81.57 | 924275001 | 0 |
| 55.23.81.58 | 924275002 | 0 |
| 55.23.81.59 | 924275003 | 0 |
| 55.23.81.60 | 924275004 | 0 |
| 55.23.81.61 | 924275005 | 0 |
| 55.23.81.62 | 924275006 | 0 |
| 55.23.81.63 | 924275007 | 0 |
| 55.23.81.64 | 924275008 | 0 |
| 55.23.81.65 | 924275009 | 0 |
| 55.23.81.66 | 924275010 | 0 |
| 55.23.81.67 | 924275011 | 0 |
| 55.23.81.68 | 924275012 | 0 |
| 55.23.81.69 | 924275013 | 0 |
| 55.23.81.70 | 924275014 | 0 |
| 55.23.81.71 | 924275015 | 0 |
| 55.23.81.72 | 924275016 | 0 |
| 55.23.81.73 | 924275017 | 0 |
| 55.23.81.74 | 924275018 | 0 |
| 55.23.81.75 | 924275019 | 0 |
| 55.23.81.76 | 924275020 | 0 |
| 55.23.81.77 | 924275021 | 0 |
| 55.23.81.78 | 924275022 | 0 |
| 55.23.81.79 | 924275023 | 0 |
| 55.23.81.80 | 924275024 | 0 |
| 55.23.81.81 | 924275025 | 0 |
| 55.23.81.82 | 924275026 | 0 |
| 55.23.81.83 | 924275027 | 0 |
| 55.23.81.84 | 924275028 | 0 |
| 55.23.81.85 | 924275029 | 0 |