The IP address 133.72.99 is provided by Research Organization of Information and Systems, National Institute of Informatics, it's belong to the CDIR (Classless Inter-Domain Routing) 133.72.0.0/16 (range 133.72.0.0 to 133.72.255.255). The autonomous system number (ASN) is 2907.
| ASN | 2907 |
| IP starting by | 133.72.0.0 |
| IP ending by | 133.72.255.255 |
| ASN Name | Research Organization of Information and Systems, National Institute of Informatics |
| CDIR | 133.72.0.0/16 |
| Numerical IP | |
| Registry | apnic |
| Last update | 29/11/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | JP | Japan | - | Tokyo | 35.6895 | 139.6917 | 2017-11-29 |
| MaxMind | JP | Japan | - | - | 35.69 | 139.69 | 2017-11-29 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 133.72.99.0 | 2236113664 | 0 |
| 133.72.99.1 | 2236113665 | 0 |
| 133.72.99.2 | 2236113666 | 0 |
| 133.72.99.3 | 2236113667 | 0 |
| 133.72.99.4 | 2236113668 | 0 |
| 133.72.99.5 | 2236113669 | 0 |
| 133.72.99.6 | 2236113670 | 0 |
| 133.72.99.7 | 2236113671 | 0 |
| 133.72.99.8 | 2236113672 | 0 |
| 133.72.99.9 | 2236113673 | 0 |
| 133.72.99.10 | 2236113674 | 0 |
| 133.72.99.11 | 2236113675 | 0 |
| 133.72.99.12 | 2236113676 | 0 |
| 133.72.99.13 | 2236113677 | 0 |
| 133.72.99.14 | 2236113678 | 0 |
| 133.72.99.15 | 2236113679 | 0 |
| 133.72.99.16 | 2236113680 | 0 |
| 133.72.99.17 | 2236113681 | 0 |
| 133.72.99.18 | 2236113682 | 0 |
| 133.72.99.19 | 2236113683 | 0 |
| 133.72.99.20 | 2236113684 | 0 |
| 133.72.99.21 | 2236113685 | 0 |
| 133.72.99.22 | 2236113686 | 0 |
| 133.72.99.23 | 2236113687 | 0 |
| 133.72.99.24 | 2236113688 | 0 |
| 133.72.99.25 | 2236113689 | 0 |
| 133.72.99.26 | 2236113690 | 0 |
| 133.72.99.27 | 2236113691 | 0 |
| 133.72.99.28 | 2236113692 | 0 |
| 133.72.99.29 | 2236113693 | 0 |
| 133.72.99.30 | 2236113694 | 0 |
| 133.72.99.31 | 2236113695 | 0 |
| 133.72.99.32 | 2236113696 | 0 |
| 133.72.99.33 | 2236113697 | 0 |
| 133.72.99.34 | 2236113698 | 0 |
| 133.72.99.35 | 2236113699 | 0 |
| 133.72.99.36 | 2236113700 | 0 |
| 133.72.99.37 | 2236113701 | 0 |
| 133.72.99.38 | 2236113702 | 0 |
| 133.72.99.39 | 2236113703 | 0 |
| 133.72.99.40 | 2236113704 | 0 |
| 133.72.99.41 | 2236113705 | 0 |
| 133.72.99.42 | 2236113706 | 0 |
| 133.72.99.43 | 2236113707 | 0 |
| 133.72.99.44 | 2236113708 | 0 |
| 133.72.99.45 | 2236113709 | 0 |
| 133.72.99.46 | 2236113710 | 0 |
| 133.72.99.47 | 2236113711 | 0 |
| 133.72.99.48 | 2236113712 | 0 |
| 133.72.99.49 | 2236113713 | 0 |
| 133.72.99.50 | 2236113714 | 0 |
| 133.72.99.51 | 2236113715 | 0 |
| 133.72.99.52 | 2236113716 | 0 |
| 133.72.99.53 | 2236113717 | 0 |
| 133.72.99.54 | 2236113718 | 0 |
| 133.72.99.55 | 2236113719 | 0 |
| 133.72.99.56 | 2236113720 | 0 |
| 133.72.99.57 | 2236113721 | 0 |
| 133.72.99.58 | 2236113722 | 0 |
| 133.72.99.59 | 2236113723 | 0 |
| 133.72.99.60 | 2236113724 | 0 |
| 133.72.99.61 | 2236113725 | 0 |
| 133.72.99.62 | 2236113726 | 0 |
| 133.72.99.63 | 2236113727 | 0 |
| 133.72.99.64 | 2236113728 | 0 |
| 133.72.99.65 | 2236113729 | 0 |
| 133.72.99.66 | 2236113730 | 0 |
| 133.72.99.67 | 2236113731 | 0 |
| 133.72.99.68 | 2236113732 | 0 |
| 133.72.99.69 | 2236113733 | 0 |
| 133.72.99.70 | 2236113734 | 0 |
| 133.72.99.71 | 2236113735 | 0 |
| 133.72.99.72 | 2236113736 | 0 |
| 133.72.99.73 | 2236113737 | 0 |
| 133.72.99.74 | 2236113738 | 0 |
| 133.72.99.75 | 2236113739 | 0 |
| 133.72.99.76 | 2236113740 | 0 |
| 133.72.99.77 | 2236113741 | 0 |
| 133.72.99.78 | 2236113742 | 0 |
| 133.72.99.79 | 2236113743 | 0 |
| 133.72.99.80 | 2236113744 | 0 |
| 133.72.99.81 | 2236113745 | 0 |
| 133.72.99.82 | 2236113746 | 0 |
| 133.72.99.83 | 2236113747 | 0 |
| 133.72.99.84 | 2236113748 | 0 |
| 133.72.99.85 | 2236113749 | 0 |