The IP address 18.72.40 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 | 19/02/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Cambridge | 42.3651 | -71.1045 | 2018-02-19 |
| MaxMind | US | United States | - | Cambridge | 42.3646 | -71.1028 | 2018-02-19 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 18.72.40.0 | 306718720 | 0 |
| 18.72.40.1 | 306718721 | 0 |
| 18.72.40.2 | 306718722 | 0 |
| 18.72.40.3 | 306718723 | 0 |
| 18.72.40.4 | 306718724 | 0 |
| 18.72.40.5 | 306718725 | 0 |
| 18.72.40.6 | 306718726 | 0 |
| 18.72.40.7 | 306718727 | 0 |
| 18.72.40.8 | 306718728 | 0 |
| 18.72.40.9 | 306718729 | 0 |
| 18.72.40.10 | 306718730 | 0 |
| 18.72.40.11 | 306718731 | 0 |
| 18.72.40.12 | 306718732 | 0 |
| 18.72.40.13 | 306718733 | 0 |
| 18.72.40.14 | 306718734 | 0 |
| 18.72.40.15 | 306718735 | 0 |
| 18.72.40.16 | 306718736 | 0 |
| 18.72.40.17 | 306718737 | 0 |
| 18.72.40.18 | 306718738 | 0 |
| 18.72.40.19 | 306718739 | 0 |
| 18.72.40.20 | 306718740 | 0 |
| 18.72.40.21 | 306718741 | 0 |
| 18.72.40.22 | 306718742 | 0 |
| 18.72.40.23 | 306718743 | 0 |
| 18.72.40.24 | 306718744 | 0 |
| 18.72.40.25 | 306718745 | 0 |
| 18.72.40.26 | 306718746 | 0 |
| 18.72.40.27 | 306718747 | 0 |
| 18.72.40.28 | 306718748 | 0 |
| 18.72.40.29 | 306718749 | 0 |
| 18.72.40.30 | 306718750 | 0 |
| 18.72.40.31 | 306718751 | 0 |
| 18.72.40.32 | 306718752 | 0 |
| 18.72.40.33 | 306718753 | 0 |
| 18.72.40.34 | 306718754 | 0 |
| 18.72.40.35 | 306718755 | 0 |
| 18.72.40.36 | 306718756 | 0 |
| 18.72.40.37 | 306718757 | 0 |
| 18.72.40.38 | 306718758 | 0 |
| 18.72.40.39 | 306718759 | 0 |
| 18.72.40.40 | 306718760 | 0 |
| 18.72.40.41 | 306718761 | 0 |
| 18.72.40.42 | 306718762 | 0 |
| 18.72.40.43 | 306718763 | 0 |
| 18.72.40.44 | 306718764 | 0 |
| 18.72.40.45 | 306718765 | 0 |
| 18.72.40.46 | 306718766 | 0 |
| 18.72.40.47 | 306718767 | 0 |
| 18.72.40.48 | 306718768 | 0 |
| 18.72.40.49 | 306718769 | 0 |
| 18.72.40.50 | 306718770 | 0 |
| 18.72.40.51 | 306718771 | 0 |
| 18.72.40.52 | 306718772 | 0 |
| 18.72.40.53 | 306718773 | 0 |
| 18.72.40.54 | 306718774 | 0 |
| 18.72.40.55 | 306718775 | 0 |
| 18.72.40.56 | 306718776 | 0 |
| 18.72.40.57 | 306718777 | 0 |
| 18.72.40.58 | 306718778 | 0 |
| 18.72.40.59 | 306718779 | 0 |
| 18.72.40.60 | 306718780 | 0 |
| 18.72.40.61 | 306718781 | 0 |
| 18.72.40.62 | 306718782 | 0 |
| 18.72.40.63 | 306718783 | 0 |
| 18.72.40.64 | 306718784 | 0 |
| 18.72.40.65 | 306718785 | 0 |
| 18.72.40.66 | 306718786 | 0 |
| 18.72.40.67 | 306718787 | 0 |
| 18.72.40.68 | 306718788 | 0 |
| 18.72.40.69 | 306718789 | 0 |
| 18.72.40.70 | 306718790 | 0 |
| 18.72.40.71 | 306718791 | 0 |
| 18.72.40.72 | 306718792 | 0 |
| 18.72.40.73 | 306718793 | 0 |
| 18.72.40.74 | 306718794 | 0 |
| 18.72.40.75 | 306718795 | 0 |
| 18.72.40.76 | 306718796 | 0 |
| 18.72.40.77 | 306718797 | 0 |
| 18.72.40.78 | 306718798 | 0 |
| 18.72.40.79 | 306718799 | 0 |
| 18.72.40.80 | 306718800 | 0 |
| 18.72.40.81 | 306718801 | 0 |
| 18.72.40.82 | 306718802 | 0 |
| 18.72.40.83 | 306718803 | 0 |
| 18.72.40.84 | 306718804 | 0 |
| 18.72.40.85 | 306718805 | 0 |