The IP address 18.91.63 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 | 30/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Cambridge | 42.3651 | -71.1045 | 2017-08-30 |
| MaxMind | US | United States | - | Cambridge | 42.3646 | -71.1028 | 2017-08-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 18.91.63.0 | 307969792 | 0 |
| 18.91.63.1 | 307969793 | 0 |
| 18.91.63.2 | 307969794 | 0 |
| 18.91.63.3 | 307969795 | 0 |
| 18.91.63.4 | 307969796 | 0 |
| 18.91.63.5 | 307969797 | 0 |
| 18.91.63.6 | 307969798 | 0 |
| 18.91.63.7 | 307969799 | 0 |
| 18.91.63.8 | 307969800 | 0 |
| 18.91.63.9 | 307969801 | 0 |
| 18.91.63.10 | 307969802 | 0 |
| 18.91.63.11 | 307969803 | 0 |
| 18.91.63.12 | 307969804 | 0 |
| 18.91.63.13 | 307969805 | 0 |
| 18.91.63.14 | 307969806 | 0 |
| 18.91.63.15 | 307969807 | 0 |
| 18.91.63.16 | 307969808 | 0 |
| 18.91.63.17 | 307969809 | 0 |
| 18.91.63.18 | 307969810 | 0 |
| 18.91.63.19 | 307969811 | 0 |
| 18.91.63.20 | 307969812 | 0 |
| 18.91.63.21 | 307969813 | 0 |
| 18.91.63.22 | 307969814 | 0 |
| 18.91.63.23 | 307969815 | 0 |
| 18.91.63.24 | 307969816 | 0 |
| 18.91.63.25 | 307969817 | 0 |
| 18.91.63.26 | 307969818 | 0 |
| 18.91.63.27 | 307969819 | 0 |
| 18.91.63.28 | 307969820 | 0 |
| 18.91.63.29 | 307969821 | 0 |
| 18.91.63.30 | 307969822 | 0 |
| 18.91.63.31 | 307969823 | 0 |
| 18.91.63.32 | 307969824 | 0 |
| 18.91.63.33 | 307969825 | 0 |
| 18.91.63.34 | 307969826 | 0 |
| 18.91.63.35 | 307969827 | 0 |
| 18.91.63.36 | 307969828 | 0 |
| 18.91.63.37 | 307969829 | 0 |
| 18.91.63.38 | 307969830 | 0 |
| 18.91.63.39 | 307969831 | 0 |
| 18.91.63.40 | 307969832 | 0 |
| 18.91.63.41 | 307969833 | 0 |
| 18.91.63.42 | 307969834 | 0 |
| 18.91.63.43 | 307969835 | 0 |
| 18.91.63.44 | 307969836 | 0 |
| 18.91.63.45 | 307969837 | 0 |
| 18.91.63.46 | 307969838 | 0 |
| 18.91.63.47 | 307969839 | 0 |
| 18.91.63.48 | 307969840 | 0 |
| 18.91.63.49 | 307969841 | 0 |
| 18.91.63.50 | 307969842 | 0 |
| 18.91.63.51 | 307969843 | 0 |
| 18.91.63.52 | 307969844 | 0 |
| 18.91.63.53 | 307969845 | 0 |
| 18.91.63.54 | 307969846 | 0 |
| 18.91.63.55 | 307969847 | 0 |
| 18.91.63.56 | 307969848 | 0 |
| 18.91.63.57 | 307969849 | 0 |
| 18.91.63.58 | 307969850 | 0 |
| 18.91.63.59 | 307969851 | 0 |
| 18.91.63.60 | 307969852 | 0 |
| 18.91.63.61 | 307969853 | 0 |
| 18.91.63.62 | 307969854 | 0 |
| 18.91.63.63 | 307969855 | 0 |
| 18.91.63.64 | 307969856 | 0 |
| 18.91.63.65 | 307969857 | 0 |
| 18.91.63.66 | 307969858 | 0 |
| 18.91.63.67 | 307969859 | 0 |
| 18.91.63.68 | 307969860 | 0 |
| 18.91.63.69 | 307969861 | 0 |
| 18.91.63.70 | 307969862 | 0 |
| 18.91.63.71 | 307969863 | 0 |
| 18.91.63.72 | 307969864 | 0 |
| 18.91.63.73 | 307969865 | 0 |
| 18.91.63.74 | 307969866 | 0 |
| 18.91.63.75 | 307969867 | 0 |
| 18.91.63.76 | 307969868 | 0 |
| 18.91.63.77 | 307969869 | 0 |
| 18.91.63.78 | 307969870 | 0 |
| 18.91.63.79 | 307969871 | 0 |
| 18.91.63.80 | 307969872 | 0 |
| 18.91.63.81 | 307969873 | 0 |
| 18.91.63.82 | 307969874 | 0 |
| 18.91.63.83 | 307969875 | 0 |
| 18.91.63.84 | 307969876 | 0 |
| 18.91.63.85 | 307969877 | 0 |