La dirección IP 21.80.30 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 | 20/07/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | US | Estados Unidos | - | Columbus | 39,9664 | -83,0128 | 2017-07-20 |
| MaxMind | US | Estados Unidos | - | - | 37,751 | -97,822 | 2017-07-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.80.30.0 | 357572096 | 0 |
| 21.80.30.1 | 357572097 | 0 |
| 21.80.30.2 | 357572098 | 0 |
| 21.80.30.3 | 357572099 | 0 |
| 21.80.30.4 | 357572100 | 0 |
| 21.80.30.5 | 357572101 | 0 |
| 21.80.30.6 | 357572102 | 0 |
| 21.80.30.7 | 357572103 | 0 |
| 21.80.30.8 | 357572104 | 0 |
| 21.80.30.9 | 357572105 | 0 |
| 21.80.30.10 | 357572106 | 0 |
| 21.80.30.11 | 357572107 | 0 |
| 21.80.30.12 | 357572108 | 0 |
| 21.80.30.13 | 357572109 | 0 |
| 21.80.30.14 | 357572110 | 0 |
| 21.80.30.15 | 357572111 | 0 |
| 21.80.30.16 | 357572112 | 0 |
| 21.80.30.17 | 357572113 | 0 |
| 21.80.30.18 | 357572114 | 0 |
| 21.80.30.19 | 357572115 | 0 |
| 21.80.30.20 | 357572116 | 0 |
| 21.80.30.21 | 357572117 | 0 |
| 21.80.30.22 | 357572118 | 0 |
| 21.80.30.23 | 357572119 | 0 |
| 21.80.30.24 | 357572120 | 0 |
| 21.80.30.25 | 357572121 | 0 |
| 21.80.30.26 | 357572122 | 0 |
| 21.80.30.27 | 357572123 | 0 |
| 21.80.30.28 | 357572124 | 0 |
| 21.80.30.29 | 357572125 | 0 |
| 21.80.30.30 | 357572126 | 0 |
| 21.80.30.31 | 357572127 | 0 |
| 21.80.30.32 | 357572128 | 0 |
| 21.80.30.33 | 357572129 | 0 |
| 21.80.30.34 | 357572130 | 0 |
| 21.80.30.35 | 357572131 | 0 |
| 21.80.30.36 | 357572132 | 0 |
| 21.80.30.37 | 357572133 | 0 |
| 21.80.30.38 | 357572134 | 0 |
| 21.80.30.39 | 357572135 | 0 |
| 21.80.30.40 | 357572136 | 0 |
| 21.80.30.41 | 357572137 | 0 |
| 21.80.30.42 | 357572138 | 0 |
| 21.80.30.43 | 357572139 | 0 |
| 21.80.30.44 | 357572140 | 0 |
| 21.80.30.45 | 357572141 | 0 |
| 21.80.30.46 | 357572142 | 0 |
| 21.80.30.47 | 357572143 | 0 |
| 21.80.30.48 | 357572144 | 0 |
| 21.80.30.49 | 357572145 | 0 |
| 21.80.30.50 | 357572146 | 0 |
| 21.80.30.51 | 357572147 | 0 |
| 21.80.30.52 | 357572148 | 0 |
| 21.80.30.53 | 357572149 | 0 |
| 21.80.30.54 | 357572150 | 0 |
| 21.80.30.55 | 357572151 | 0 |
| 21.80.30.56 | 357572152 | 0 |
| 21.80.30.57 | 357572153 | 0 |
| 21.80.30.58 | 357572154 | 0 |
| 21.80.30.59 | 357572155 | 0 |
| 21.80.30.60 | 357572156 | 0 |
| 21.80.30.61 | 357572157 | 0 |
| 21.80.30.62 | 357572158 | 0 |
| 21.80.30.63 | 357572159 | 0 |
| 21.80.30.64 | 357572160 | 0 |
| 21.80.30.65 | 357572161 | 0 |
| 21.80.30.66 | 357572162 | 0 |
| 21.80.30.67 | 357572163 | 0 |
| 21.80.30.68 | 357572164 | 0 |
| 21.80.30.69 | 357572165 | 0 |
| 21.80.30.70 | 357572166 | 0 |
| 21.80.30.71 | 357572167 | 0 |
| 21.80.30.72 | 357572168 | 0 |
| 21.80.30.73 | 357572169 | 0 |
| 21.80.30.74 | 357572170 | 0 |
| 21.80.30.75 | 357572171 | 0 |
| 21.80.30.76 | 357572172 | 0 |
| 21.80.30.77 | 357572173 | 0 |
| 21.80.30.78 | 357572174 | 0 |
| 21.80.30.79 | 357572175 | 0 |
| 21.80.30.80 | 357572176 | 0 |
| 21.80.30.81 | 357572177 | 0 |
| 21.80.30.82 | 357572178 | 0 |
| 21.80.30.83 | 357572179 | 0 |
| 21.80.30.84 | 357572180 | 0 |
| 21.80.30.85 | 357572181 | 0 |