Les adresses IP débutant par 21.92.74 sont fournies par China Education and Research Network Center, elles appartiennent au CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, le bloc IP comprant les adresses de 22.30.204.0 à 22.30.205.255). Le numéro de système autonome (ASN) est 4538.
| ASN | 4538 |
| IP commençant par | 22.30.204.0 |
| IP se terminant par | 22.30.205.255 |
| Nom ASN | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 26/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Columbus | 39,9664 | -83,0128 | 2017-09-26 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-09-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.92.74.0 | 358369792 | 0 |
| 21.92.74.1 | 358369793 | 0 |
| 21.92.74.2 | 358369794 | 0 |
| 21.92.74.3 | 358369795 | 0 |
| 21.92.74.4 | 358369796 | 0 |
| 21.92.74.5 | 358369797 | 0 |
| 21.92.74.6 | 358369798 | 0 |
| 21.92.74.7 | 358369799 | 0 |
| 21.92.74.8 | 358369800 | 0 |
| 21.92.74.9 | 358369801 | 0 |
| 21.92.74.10 | 358369802 | 0 |
| 21.92.74.11 | 358369803 | 0 |
| 21.92.74.12 | 358369804 | 0 |
| 21.92.74.13 | 358369805 | 0 |
| 21.92.74.14 | 358369806 | 0 |
| 21.92.74.15 | 358369807 | 0 |
| 21.92.74.16 | 358369808 | 0 |
| 21.92.74.17 | 358369809 | 0 |
| 21.92.74.18 | 358369810 | 0 |
| 21.92.74.19 | 358369811 | 0 |
| 21.92.74.20 | 358369812 | 0 |
| 21.92.74.21 | 358369813 | 0 |
| 21.92.74.22 | 358369814 | 0 |
| 21.92.74.23 | 358369815 | 0 |
| 21.92.74.24 | 358369816 | 0 |
| 21.92.74.25 | 358369817 | 0 |
| 21.92.74.26 | 358369818 | 0 |
| 21.92.74.27 | 358369819 | 0 |
| 21.92.74.28 | 358369820 | 0 |
| 21.92.74.29 | 358369821 | 0 |
| 21.92.74.30 | 358369822 | 0 |
| 21.92.74.31 | 358369823 | 0 |
| 21.92.74.32 | 358369824 | 0 |
| 21.92.74.33 | 358369825 | 0 |
| 21.92.74.34 | 358369826 | 0 |
| 21.92.74.35 | 358369827 | 0 |
| 21.92.74.36 | 358369828 | 0 |
| 21.92.74.37 | 358369829 | 0 |
| 21.92.74.38 | 358369830 | 0 |
| 21.92.74.39 | 358369831 | 0 |
| 21.92.74.40 | 358369832 | 0 |
| 21.92.74.41 | 358369833 | 0 |
| 21.92.74.42 | 358369834 | 0 |
| 21.92.74.43 | 358369835 | 0 |
| 21.92.74.44 | 358369836 | 0 |
| 21.92.74.45 | 358369837 | 0 |
| 21.92.74.46 | 358369838 | 0 |
| 21.92.74.47 | 358369839 | 0 |
| 21.92.74.48 | 358369840 | 0 |
| 21.92.74.49 | 358369841 | 0 |
| 21.92.74.50 | 358369842 | 0 |
| 21.92.74.51 | 358369843 | 0 |
| 21.92.74.52 | 358369844 | 0 |
| 21.92.74.53 | 358369845 | 0 |
| 21.92.74.54 | 358369846 | 0 |
| 21.92.74.55 | 358369847 | 0 |
| 21.92.74.56 | 358369848 | 0 |
| 21.92.74.57 | 358369849 | 0 |
| 21.92.74.58 | 358369850 | 0 |
| 21.92.74.59 | 358369851 | 0 |
| 21.92.74.60 | 358369852 | 0 |
| 21.92.74.61 | 358369853 | 0 |
| 21.92.74.62 | 358369854 | 0 |
| 21.92.74.63 | 358369855 | 0 |
| 21.92.74.64 | 358369856 | 0 |
| 21.92.74.65 | 358369857 | 0 |
| 21.92.74.66 | 358369858 | 0 |
| 21.92.74.67 | 358369859 | 0 |
| 21.92.74.68 | 358369860 | 0 |
| 21.92.74.69 | 358369861 | 0 |
| 21.92.74.70 | 358369862 | 0 |
| 21.92.74.71 | 358369863 | 0 |
| 21.92.74.72 | 358369864 | 0 |
| 21.92.74.73 | 358369865 | 0 |
| 21.92.74.74 | 358369866 | 0 |
| 21.92.74.75 | 358369867 | 0 |
| 21.92.74.76 | 358369868 | 0 |
| 21.92.74.77 | 358369869 | 0 |
| 21.92.74.78 | 358369870 | 0 |
| 21.92.74.79 | 358369871 | 0 |
| 21.92.74.80 | 358369872 | 0 |
| 21.92.74.81 | 358369873 | 0 |
| 21.92.74.82 | 358369874 | 0 |
| 21.92.74.83 | 358369875 | 0 |
| 21.92.74.84 | 358369876 | 0 |
| 21.92.74.85 | 358369877 | 0 |