The IP address 18.72.45 is provided by Massachusetts Institute of Technology, it's belong to the CDIR (Classless Inter-Domain Routing) 18.0.0.0/8 (range 18.0.0.0 to 18.255.255.255). The autonomous system number (ASN) is 3.
| ASN | 3 |
| IP starting by | 18.0.0.0 |
| IP ending by | 18.255.255.255 |
| ASN Name | Massachusetts Institute of Technology |
| CDIR | 18.0.0.0/8 |
| Numerical IP | |
| Registry | arin |
| Last update | 03/01/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Cambridge | 42.3651 | -71.1045 | 2018-01-02 |
| MaxMind | US | United States | - | Cambridge | 42.3646 | -71.1028 | 2018-01-02 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 18.72.45.0 | 306720000 | 0 |
| 18.72.45.1 | 306720001 | 0 |
| 18.72.45.2 | 306720002 | 0 |
| 18.72.45.3 | 306720003 | 0 |
| 18.72.45.4 | 306720004 | 0 |
| 18.72.45.5 | 306720005 | 0 |
| 18.72.45.6 | 306720006 | 0 |
| 18.72.45.7 | 306720007 | 0 |
| 18.72.45.8 | 306720008 | 0 |
| 18.72.45.9 | 306720009 | 0 |
| 18.72.45.10 | 306720010 | 0 |
| 18.72.45.11 | 306720011 | 0 |
| 18.72.45.12 | 306720012 | 0 |
| 18.72.45.13 | 306720013 | 0 |
| 18.72.45.14 | 306720014 | 0 |
| 18.72.45.15 | 306720015 | 0 |
| 18.72.45.16 | 306720016 | 0 |
| 18.72.45.17 | 306720017 | 0 |
| 18.72.45.18 | 306720018 | 0 |
| 18.72.45.19 | 306720019 | 0 |
| 18.72.45.20 | 306720020 | 0 |
| 18.72.45.21 | 306720021 | 0 |
| 18.72.45.22 | 306720022 | 0 |
| 18.72.45.23 | 306720023 | 0 |
| 18.72.45.24 | 306720024 | 0 |
| 18.72.45.25 | 306720025 | 0 |
| 18.72.45.26 | 306720026 | 0 |
| 18.72.45.27 | 306720027 | 0 |
| 18.72.45.28 | 306720028 | 0 |
| 18.72.45.29 | 306720029 | 0 |
| 18.72.45.30 | 306720030 | 0 |
| 18.72.45.31 | 306720031 | 0 |
| 18.72.45.32 | 306720032 | 0 |
| 18.72.45.33 | 306720033 | 0 |
| 18.72.45.34 | 306720034 | 0 |
| 18.72.45.35 | 306720035 | 0 |
| 18.72.45.36 | 306720036 | 0 |
| 18.72.45.37 | 306720037 | 0 |
| 18.72.45.38 | 306720038 | 0 |
| 18.72.45.39 | 306720039 | 0 |
| 18.72.45.40 | 306720040 | 0 |
| 18.72.45.41 | 306720041 | 0 |
| 18.72.45.42 | 306720042 | 0 |
| 18.72.45.43 | 306720043 | 0 |
| 18.72.45.44 | 306720044 | 0 |
| 18.72.45.45 | 306720045 | 0 |
| 18.72.45.46 | 306720046 | 0 |
| 18.72.45.47 | 306720047 | 0 |
| 18.72.45.48 | 306720048 | 0 |
| 18.72.45.49 | 306720049 | 0 |
| 18.72.45.50 | 306720050 | 0 |
| 18.72.45.51 | 306720051 | 0 |
| 18.72.45.52 | 306720052 | 0 |
| 18.72.45.53 | 306720053 | 0 |
| 18.72.45.54 | 306720054 | 0 |
| 18.72.45.55 | 306720055 | 0 |
| 18.72.45.56 | 306720056 | 0 |
| 18.72.45.57 | 306720057 | 0 |
| 18.72.45.58 | 306720058 | 0 |
| 18.72.45.59 | 306720059 | 0 |
| 18.72.45.60 | 306720060 | 0 |
| 18.72.45.61 | 306720061 | 0 |
| 18.72.45.62 | 306720062 | 0 |
| 18.72.45.63 | 306720063 | 0 |
| 18.72.45.64 | 306720064 | 0 |
| 18.72.45.65 | 306720065 | 0 |
| 18.72.45.66 | 306720066 | 0 |
| 18.72.45.67 | 306720067 | 0 |
| 18.72.45.68 | 306720068 | 0 |
| 18.72.45.69 | 306720069 | 0 |
| 18.72.45.70 | 306720070 | 0 |
| 18.72.45.71 | 306720071 | 0 |
| 18.72.45.72 | 306720072 | 0 |
| 18.72.45.73 | 306720073 | 0 |
| 18.72.45.74 | 306720074 | 0 |
| 18.72.45.75 | 306720075 | 0 |
| 18.72.45.76 | 306720076 | 0 |
| 18.72.45.77 | 306720077 | 0 |
| 18.72.45.78 | 306720078 | 0 |
| 18.72.45.79 | 306720079 | 0 |
| 18.72.45.80 | 306720080 | 0 |
| 18.72.45.81 | 306720081 | 0 |
| 18.72.45.82 | 306720082 | 0 |
| 18.72.45.83 | 306720083 | 0 |
| 18.72.45.84 | 306720084 | 0 |
| 18.72.45.85 | 306720085 | 0 |