La dirección IP 21.255.7 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 | 06/04/2018 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2018-04-06 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2018-04-06 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.255.7.0 | 369035008 | 0 |
| 21.255.7.1 | 369035009 | 0 |
| 21.255.7.2 | 369035010 | 0 |
| 21.255.7.3 | 369035011 | 0 |
| 21.255.7.4 | 369035012 | 0 |
| 21.255.7.5 | 369035013 | 0 |
| 21.255.7.6 | 369035014 | 0 |
| 21.255.7.7 | 369035015 | 0 |
| 21.255.7.8 | 369035016 | 0 |
| 21.255.7.9 | 369035017 | 0 |
| 21.255.7.10 | 369035018 | 0 |
| 21.255.7.11 | 369035019 | 0 |
| 21.255.7.12 | 369035020 | 0 |
| 21.255.7.13 | 369035021 | 0 |
| 21.255.7.14 | 369035022 | 0 |
| 21.255.7.15 | 369035023 | 0 |
| 21.255.7.16 | 369035024 | 0 |
| 21.255.7.17 | 369035025 | 0 |
| 21.255.7.18 | 369035026 | 0 |
| 21.255.7.19 | 369035027 | 0 |
| 21.255.7.20 | 369035028 | 0 |
| 21.255.7.21 | 369035029 | 0 |
| 21.255.7.22 | 369035030 | 0 |
| 21.255.7.23 | 369035031 | 0 |
| 21.255.7.24 | 369035032 | 0 |
| 21.255.7.25 | 369035033 | 0 |
| 21.255.7.26 | 369035034 | 0 |
| 21.255.7.27 | 369035035 | 0 |
| 21.255.7.28 | 369035036 | 0 |
| 21.255.7.29 | 369035037 | 0 |
| 21.255.7.30 | 369035038 | 0 |
| 21.255.7.31 | 369035039 | 0 |
| 21.255.7.32 | 369035040 | 0 |
| 21.255.7.33 | 369035041 | 0 |
| 21.255.7.34 | 369035042 | 0 |
| 21.255.7.35 | 369035043 | 0 |
| 21.255.7.36 | 369035044 | 0 |
| 21.255.7.37 | 369035045 | 0 |
| 21.255.7.38 | 369035046 | 0 |
| 21.255.7.39 | 369035047 | 0 |
| 21.255.7.40 | 369035048 | 0 |
| 21.255.7.41 | 369035049 | 0 |
| 21.255.7.42 | 369035050 | 0 |
| 21.255.7.43 | 369035051 | 0 |
| 21.255.7.44 | 369035052 | 0 |
| 21.255.7.45 | 369035053 | 0 |
| 21.255.7.46 | 369035054 | 0 |
| 21.255.7.47 | 369035055 | 0 |
| 21.255.7.48 | 369035056 | 0 |
| 21.255.7.49 | 369035057 | 0 |
| 21.255.7.50 | 369035058 | 0 |
| 21.255.7.51 | 369035059 | 0 |
| 21.255.7.52 | 369035060 | 0 |
| 21.255.7.53 | 369035061 | 0 |
| 21.255.7.54 | 369035062 | 0 |
| 21.255.7.55 | 369035063 | 0 |
| 21.255.7.56 | 369035064 | 0 |
| 21.255.7.57 | 369035065 | 0 |
| 21.255.7.58 | 369035066 | 0 |
| 21.255.7.59 | 369035067 | 0 |
| 21.255.7.60 | 369035068 | 0 |
| 21.255.7.61 | 369035069 | 0 |
| 21.255.7.62 | 369035070 | 0 |
| 21.255.7.63 | 369035071 | 0 |
| 21.255.7.64 | 369035072 | 0 |
| 21.255.7.65 | 369035073 | 0 |
| 21.255.7.66 | 369035074 | 0 |
| 21.255.7.67 | 369035075 | 0 |
| 21.255.7.68 | 369035076 | 0 |
| 21.255.7.69 | 369035077 | 0 |
| 21.255.7.70 | 369035078 | 0 |
| 21.255.7.71 | 369035079 | 0 |
| 21.255.7.72 | 369035080 | 0 |
| 21.255.7.73 | 369035081 | 0 |
| 21.255.7.74 | 369035082 | 0 |
| 21.255.7.75 | 369035083 | 0 |
| 21.255.7.76 | 369035084 | 0 |
| 21.255.7.77 | 369035085 | 0 |
| 21.255.7.78 | 369035086 | 0 |
| 21.255.7.79 | 369035087 | 0 |
| 21.255.7.80 | 369035088 | 0 |
| 21.255.7.81 | 369035089 | 0 |
| 21.255.7.82 | 369035090 | 0 |
| 21.255.7.83 | 369035091 | 0 |
| 21.255.7.84 | 369035092 | 0 |
| 21.255.7.85 | 369035093 | 0 |