The IP address 21.74.45 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 16/11/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-11-16 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-11-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.74.45.0 | 357182720 | 0 |
| 21.74.45.1 | 357182721 | 0 |
| 21.74.45.2 | 357182722 | 0 |
| 21.74.45.3 | 357182723 | 0 |
| 21.74.45.4 | 357182724 | 0 |
| 21.74.45.5 | 357182725 | 0 |
| 21.74.45.6 | 357182726 | 0 |
| 21.74.45.7 | 357182727 | 0 |
| 21.74.45.8 | 357182728 | 0 |
| 21.74.45.9 | 357182729 | 0 |
| 21.74.45.10 | 357182730 | 0 |
| 21.74.45.11 | 357182731 | 0 |
| 21.74.45.12 | 357182732 | 0 |
| 21.74.45.13 | 357182733 | 0 |
| 21.74.45.14 | 357182734 | 0 |
| 21.74.45.15 | 357182735 | 0 |
| 21.74.45.16 | 357182736 | 0 |
| 21.74.45.17 | 357182737 | 0 |
| 21.74.45.18 | 357182738 | 0 |
| 21.74.45.19 | 357182739 | 0 |
| 21.74.45.20 | 357182740 | 0 |
| 21.74.45.21 | 357182741 | 0 |
| 21.74.45.22 | 357182742 | 0 |
| 21.74.45.23 | 357182743 | 0 |
| 21.74.45.24 | 357182744 | 0 |
| 21.74.45.25 | 357182745 | 0 |
| 21.74.45.26 | 357182746 | 0 |
| 21.74.45.27 | 357182747 | 0 |
| 21.74.45.28 | 357182748 | 0 |
| 21.74.45.29 | 357182749 | 0 |
| 21.74.45.30 | 357182750 | 0 |
| 21.74.45.31 | 357182751 | 0 |
| 21.74.45.32 | 357182752 | 0 |
| 21.74.45.33 | 357182753 | 0 |
| 21.74.45.34 | 357182754 | 0 |
| 21.74.45.35 | 357182755 | 0 |
| 21.74.45.36 | 357182756 | 0 |
| 21.74.45.37 | 357182757 | 0 |
| 21.74.45.38 | 357182758 | 0 |
| 21.74.45.39 | 357182759 | 0 |
| 21.74.45.40 | 357182760 | 0 |
| 21.74.45.41 | 357182761 | 0 |
| 21.74.45.42 | 357182762 | 0 |
| 21.74.45.43 | 357182763 | 0 |
| 21.74.45.44 | 357182764 | 0 |
| 21.74.45.45 | 357182765 | 0 |
| 21.74.45.46 | 357182766 | 0 |
| 21.74.45.47 | 357182767 | 0 |
| 21.74.45.48 | 357182768 | 0 |
| 21.74.45.49 | 357182769 | 0 |
| 21.74.45.50 | 357182770 | 0 |
| 21.74.45.51 | 357182771 | 0 |
| 21.74.45.52 | 357182772 | 0 |
| 21.74.45.53 | 357182773 | 0 |
| 21.74.45.54 | 357182774 | 0 |
| 21.74.45.55 | 357182775 | 0 |
| 21.74.45.56 | 357182776 | 0 |
| 21.74.45.57 | 357182777 | 0 |
| 21.74.45.58 | 357182778 | 0 |
| 21.74.45.59 | 357182779 | 0 |
| 21.74.45.60 | 357182780 | 0 |
| 21.74.45.61 | 357182781 | 0 |
| 21.74.45.62 | 357182782 | 0 |
| 21.74.45.63 | 357182783 | 0 |
| 21.74.45.64 | 357182784 | 0 |
| 21.74.45.65 | 357182785 | 0 |
| 21.74.45.66 | 357182786 | 0 |
| 21.74.45.67 | 357182787 | 0 |
| 21.74.45.68 | 357182788 | 0 |
| 21.74.45.69 | 357182789 | 0 |
| 21.74.45.70 | 357182790 | 0 |
| 21.74.45.71 | 357182791 | 0 |
| 21.74.45.72 | 357182792 | 0 |
| 21.74.45.73 | 357182793 | 0 |
| 21.74.45.74 | 357182794 | 0 |
| 21.74.45.75 | 357182795 | 0 |
| 21.74.45.76 | 357182796 | 0 |
| 21.74.45.77 | 357182797 | 0 |
| 21.74.45.78 | 357182798 | 0 |
| 21.74.45.79 | 357182799 | 0 |
| 21.74.45.80 | 357182800 | 0 |
| 21.74.45.81 | 357182801 | 0 |
| 21.74.45.82 | 357182802 | 0 |
| 21.74.45.83 | 357182803 | 0 |
| 21.74.45.84 | 357182804 | 0 |
| 21.74.45.85 | 357182805 | 0 |