La dirección IP 21.240.3 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 | 27/11/2019 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | ES | España | - | Madrid | 40,4165 | -3,7026 | 2019-11-26 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2019-11-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.240.3.0 | 368050944 | 0 |
| 21.240.3.1 | 368050945 | 0 |
| 21.240.3.2 | 368050946 | 0 |
| 21.240.3.3 | 368050947 | 0 |
| 21.240.3.4 | 368050948 | 0 |
| 21.240.3.5 | 368050949 | 0 |
| 21.240.3.6 | 368050950 | 0 |
| 21.240.3.7 | 368050951 | 0 |
| 21.240.3.8 | 368050952 | 0 |
| 21.240.3.9 | 368050953 | 0 |
| 21.240.3.10 | 368050954 | 0 |
| 21.240.3.11 | 368050955 | 0 |
| 21.240.3.12 | 368050956 | 0 |
| 21.240.3.13 | 368050957 | 0 |
| 21.240.3.14 | 368050958 | 0 |
| 21.240.3.15 | 368050959 | 0 |
| 21.240.3.16 | 368050960 | 0 |
| 21.240.3.17 | 368050961 | 0 |
| 21.240.3.18 | 368050962 | 0 |
| 21.240.3.19 | 368050963 | 0 |
| 21.240.3.20 | 368050964 | 0 |
| 21.240.3.21 | 368050965 | 0 |
| 21.240.3.22 | 368050966 | 0 |
| 21.240.3.23 | 368050967 | 0 |
| 21.240.3.24 | 368050968 | 0 |
| 21.240.3.25 | 368050969 | 0 |
| 21.240.3.26 | 368050970 | 0 |
| 21.240.3.27 | 368050971 | 0 |
| 21.240.3.28 | 368050972 | 0 |
| 21.240.3.29 | 368050973 | 0 |
| 21.240.3.30 | 368050974 | 0 |
| 21.240.3.31 | 368050975 | 0 |
| 21.240.3.32 | 368050976 | 0 |
| 21.240.3.33 | 368050977 | 0 |
| 21.240.3.34 | 368050978 | 0 |
| 21.240.3.35 | 368050979 | 0 |
| 21.240.3.36 | 368050980 | 0 |
| 21.240.3.37 | 368050981 | 0 |
| 21.240.3.38 | 368050982 | 0 |
| 21.240.3.39 | 368050983 | 0 |
| 21.240.3.40 | 368050984 | 0 |
| 21.240.3.41 | 368050985 | 0 |
| 21.240.3.42 | 368050986 | 0 |
| 21.240.3.43 | 368050987 | 0 |
| 21.240.3.44 | 368050988 | 0 |
| 21.240.3.45 | 368050989 | 0 |
| 21.240.3.46 | 368050990 | 0 |
| 21.240.3.47 | 368050991 | 0 |
| 21.240.3.48 | 368050992 | 0 |
| 21.240.3.49 | 368050993 | 0 |
| 21.240.3.50 | 368050994 | 0 |
| 21.240.3.51 | 368050995 | 0 |
| 21.240.3.52 | 368050996 | 0 |
| 21.240.3.53 | 368050997 | 0 |
| 21.240.3.54 | 368050998 | 0 |
| 21.240.3.55 | 368050999 | 0 |
| 21.240.3.56 | 368051000 | 0 |
| 21.240.3.57 | 368051001 | 0 |
| 21.240.3.58 | 368051002 | 0 |
| 21.240.3.59 | 368051003 | 0 |
| 21.240.3.60 | 368051004 | 0 |
| 21.240.3.61 | 368051005 | 0 |
| 21.240.3.62 | 368051006 | 0 |
| 21.240.3.63 | 368051007 | 0 |
| 21.240.3.64 | 368051008 | 0 |
| 21.240.3.65 | 368051009 | 0 |
| 21.240.3.66 | 368051010 | 0 |
| 21.240.3.67 | 368051011 | 0 |
| 21.240.3.68 | 368051012 | 0 |
| 21.240.3.69 | 368051013 | 0 |
| 21.240.3.70 | 368051014 | 0 |
| 21.240.3.71 | 368051015 | 0 |
| 21.240.3.72 | 368051016 | 0 |
| 21.240.3.73 | 368051017 | 0 |
| 21.240.3.74 | 368051018 | 0 |
| 21.240.3.75 | 368051019 | 0 |
| 21.240.3.76 | 368051020 | 0 |
| 21.240.3.77 | 368051021 | 0 |
| 21.240.3.78 | 368051022 | 0 |
| 21.240.3.79 | 368051023 | 0 |
| 21.240.3.80 | 368051024 | 0 |
| 21.240.3.81 | 368051025 | 0 |
| 21.240.3.82 | 368051026 | 0 |
| 21.240.3.83 | 368051027 | 0 |
| 21.240.3.84 | 368051028 | 0 |
| 21.240.3.85 | 368051029 | 0 |