La dirección IP 21.91.49 es proporcionada por China Education and Research Network Center, que es propiedad de la CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP entre 22.30.204.0 a 22.30.205.255 ). El número de sistema autónomo (ASN) es 4538.
| ASN | 4538 |
| IP que comienzan con | 22.30.204.0 |
| IP que termina con | 22.30.205.255 |
| ASN Nombre | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numérica | |
| Registe | |
| Última actualización | 18/02/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2018-02-18 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-02-18 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.91.49.0 | 358297856 | 0 |
| 21.91.49.1 | 358297857 | 0 |
| 21.91.49.2 | 358297858 | 0 |
| 21.91.49.3 | 358297859 | 0 |
| 21.91.49.4 | 358297860 | 0 |
| 21.91.49.5 | 358297861 | 0 |
| 21.91.49.6 | 358297862 | 0 |
| 21.91.49.7 | 358297863 | 0 |
| 21.91.49.8 | 358297864 | 0 |
| 21.91.49.9 | 358297865 | 0 |
| 21.91.49.10 | 358297866 | 0 |
| 21.91.49.11 | 358297867 | 0 |
| 21.91.49.12 | 358297868 | 0 |
| 21.91.49.13 | 358297869 | 0 |
| 21.91.49.14 | 358297870 | 0 |
| 21.91.49.15 | 358297871 | 0 |
| 21.91.49.16 | 358297872 | 0 |
| 21.91.49.17 | 358297873 | 0 |
| 21.91.49.18 | 358297874 | 0 |
| 21.91.49.19 | 358297875 | 0 |
| 21.91.49.20 | 358297876 | 0 |
| 21.91.49.21 | 358297877 | 0 |
| 21.91.49.22 | 358297878 | 0 |
| 21.91.49.23 | 358297879 | 0 |
| 21.91.49.24 | 358297880 | 0 |
| 21.91.49.25 | 358297881 | 0 |
| 21.91.49.26 | 358297882 | 0 |
| 21.91.49.27 | 358297883 | 0 |
| 21.91.49.28 | 358297884 | 0 |
| 21.91.49.29 | 358297885 | 0 |
| 21.91.49.30 | 358297886 | 0 |
| 21.91.49.31 | 358297887 | 0 |
| 21.91.49.32 | 358297888 | 0 |
| 21.91.49.33 | 358297889 | 0 |
| 21.91.49.34 | 358297890 | 0 |
| 21.91.49.35 | 358297891 | 0 |
| 21.91.49.36 | 358297892 | 0 |
| 21.91.49.37 | 358297893 | 0 |
| 21.91.49.38 | 358297894 | 0 |
| 21.91.49.39 | 358297895 | 0 |
| 21.91.49.40 | 358297896 | 0 |
| 21.91.49.41 | 358297897 | 0 |
| 21.91.49.42 | 358297898 | 0 |
| 21.91.49.43 | 358297899 | 0 |
| 21.91.49.44 | 358297900 | 0 |
| 21.91.49.45 | 358297901 | 0 |
| 21.91.49.46 | 358297902 | 0 |
| 21.91.49.47 | 358297903 | 0 |
| 21.91.49.48 | 358297904 | 0 |
| 21.91.49.49 | 358297905 | 0 |
| 21.91.49.50 | 358297906 | 0 |
| 21.91.49.51 | 358297907 | 0 |
| 21.91.49.52 | 358297908 | 0 |
| 21.91.49.53 | 358297909 | 0 |
| 21.91.49.54 | 358297910 | 0 |
| 21.91.49.55 | 358297911 | 0 |
| 21.91.49.56 | 358297912 | 0 |
| 21.91.49.57 | 358297913 | 0 |
| 21.91.49.58 | 358297914 | 0 |
| 21.91.49.59 | 358297915 | 0 |
| 21.91.49.60 | 358297916 | 0 |
| 21.91.49.61 | 358297917 | 0 |
| 21.91.49.62 | 358297918 | 0 |
| 21.91.49.63 | 358297919 | 0 |
| 21.91.49.64 | 358297920 | 0 |
| 21.91.49.65 | 358297921 | 0 |
| 21.91.49.66 | 358297922 | 0 |
| 21.91.49.67 | 358297923 | 0 |
| 21.91.49.68 | 358297924 | 0 |
| 21.91.49.69 | 358297925 | 0 |
| 21.91.49.70 | 358297926 | 0 |
| 21.91.49.71 | 358297927 | 0 |
| 21.91.49.72 | 358297928 | 0 |
| 21.91.49.73 | 358297929 | 0 |
| 21.91.49.74 | 358297930 | 0 |
| 21.91.49.75 | 358297931 | 0 |
| 21.91.49.76 | 358297932 | 0 |
| 21.91.49.77 | 358297933 | 0 |
| 21.91.49.78 | 358297934 | 0 |
| 21.91.49.79 | 358297935 | 0 |
| 21.91.49.80 | 358297936 | 0 |
| 21.91.49.81 | 358297937 | 0 |
| 21.91.49.82 | 358297938 | 0 |
| 21.91.49.83 | 358297939 | 0 |
| 21.91.49.84 | 358297940 | 0 |
| 21.91.49.85 | 358297941 | 0 |