The IP address 204.45.81 is provided by Cogent Communications, it's belong to the CDIR (Classless Inter-Domain Routing) 204.45.0.0/16 (range 204.45.0.0 to 204.45.255.255). The autonomous system number (ASN) is 174.
| ASN | 174 |
| IP starting by | 204.45.0.0 |
| IP ending by | 204.45.255.255 |
| ASN Name | Cogent Communications |
| CDIR | 204.45.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 05/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Denver | 39.7392 | -104.9847 | 2017-08-26 |
| MaxMind | US | United States | - | Denver | 39.7525 | -104.9995 | 2017-08-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 204.45.81.0 | 3425521920 | 0 |
| 204.45.81.1 | 3425521921 | 0 |
| 204.45.81.2 | 3425521922 | 0 |
| 204.45.81.3 | 3425521923 | 0 |
| 204.45.81.4 | 3425521924 | 0 |
| 204.45.81.5 | 3425521925 | 0 |
| 204.45.81.6 | 3425521926 | 0 |
| 204.45.81.7 | 3425521927 | 0 |
| 204.45.81.8 | 3425521928 | 0 |
| 204.45.81.9 | 3425521929 | 0 |
| 204.45.81.10 | 3425521930 | 0 |
| 204.45.81.11 | 3425521931 | 0 |
| 204.45.81.12 | 3425521932 | 0 |
| 204.45.81.13 | 3425521933 | 0 |
| 204.45.81.14 | 3425521934 | 0 |
| 204.45.81.15 | 3425521935 | 0 |
| 204.45.81.16 | 3425521936 | 0 |
| 204.45.81.17 | 3425521937 | 0 |
| 204.45.81.18 | 3425521938 | 0 |
| 204.45.81.19 | 3425521939 | 0 |
| 204.45.81.20 | 3425521940 | 0 |
| 204.45.81.21 | 3425521941 | 0 |
| 204.45.81.22 | 3425521942 | 0 |
| 204.45.81.23 | 3425521943 | 0 |
| 204.45.81.24 | 3425521944 | 0 |
| 204.45.81.25 | 3425521945 | 0 |
| 204.45.81.26 | 3425521946 | 0 |
| 204.45.81.27 | 3425521947 | 0 |
| 204.45.81.28 | 3425521948 | 0 |
| 204.45.81.29 | 3425521949 | 0 |
| 204.45.81.30 | 3425521950 | 0 |
| 204.45.81.31 | 3425521951 | 0 |
| 204.45.81.32 | 3425521952 | 0 |
| 204.45.81.33 | 3425521953 | 0 |
| 204.45.81.34 | 3425521954 | 0 |
| 204.45.81.35 | 3425521955 | 0 |
| 204.45.81.36 | 3425521956 | 0 |
| 204.45.81.37 | 3425521957 | 0 |
| 204.45.81.38 | 3425521958 | 0 |
| 204.45.81.39 | 3425521959 | 0 |
| 204.45.81.40 | 3425521960 | 0 |
| 204.45.81.41 | 3425521961 | 0 |
| 204.45.81.42 | 3425521962 | 0 |
| 204.45.81.43 | 3425521963 | 0 |
| 204.45.81.44 | 3425521964 | 0 |
| 204.45.81.45 | 3425521965 | 0 |
| 204.45.81.46 | 3425521966 | 0 |
| 204.45.81.47 | 3425521967 | 0 |
| 204.45.81.48 | 3425521968 | 0 |
| 204.45.81.49 | 3425521969 | 0 |
| 204.45.81.50 | 3425521970 | 0 |
| 204.45.81.51 | 3425521971 | 0 |
| 204.45.81.52 | 3425521972 | 0 |
| 204.45.81.53 | 3425521973 | 0 |
| 204.45.81.54 | 3425521974 | 0 |
| 204.45.81.55 | 3425521975 | 0 |
| 204.45.81.56 | 3425521976 | 0 |
| 204.45.81.57 | 3425521977 | 0 |
| 204.45.81.58 | 3425521978 | 0 |
| 204.45.81.59 | 3425521979 | 0 |
| 204.45.81.60 | 3425521980 | 0 |
| 204.45.81.61 | 3425521981 | 0 |
| 204.45.81.62 | 3425521982 | 0 |
| 204.45.81.63 | 3425521983 | 0 |
| 204.45.81.64 | 3425521984 | 0 |
| 204.45.81.65 | 3425521985 | 0 |
| 204.45.81.66 | 3425521986 | 0 |
| 204.45.81.67 | 3425521987 | 0 |
| 204.45.81.68 | 3425521988 | 0 |
| 204.45.81.69 | 3425521989 | 0 |
| 204.45.81.70 | 3425521990 | 0 |
| 204.45.81.71 | 3425521991 | 0 |
| 204.45.81.72 | 3425521992 | 0 |
| 204.45.81.73 | 3425521993 | 0 |
| 204.45.81.74 | 3425521994 | 0 |
| 204.45.81.75 | 3425521995 | 0 |
| 204.45.81.76 | 3425521996 | 0 |
| 204.45.81.77 | 3425521997 | 0 |
| 204.45.81.78 | 3425521998 | 0 |
| 204.45.81.79 | 3425521999 | 0 |
| 204.45.81.80 | 3425522000 | 0 |
| 204.45.81.81 | 3425522001 | 0 |
| 204.45.81.82 | 3425522002 | 0 |
| 204.45.81.83 | 3425522003 | 0 |
| 204.45.81.84 | 3425522004 | 0 |
| 204.45.81.85 | 3425522005 | 0 |