Les adresses IP débutant par 21.80.69 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 | 30/01/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Columbus | 39,9664 | -83,0128 | 2018-01-29 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2018-01-29 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.80.69.0 | 357582080 | 0 |
| 21.80.69.1 | 357582081 | 0 |
| 21.80.69.2 | 357582082 | 0 |
| 21.80.69.3 | 357582083 | 0 |
| 21.80.69.4 | 357582084 | 0 |
| 21.80.69.5 | 357582085 | 0 |
| 21.80.69.6 | 357582086 | 0 |
| 21.80.69.7 | 357582087 | 0 |
| 21.80.69.8 | 357582088 | 0 |
| 21.80.69.9 | 357582089 | 0 |
| 21.80.69.10 | 357582090 | 0 |
| 21.80.69.11 | 357582091 | 0 |
| 21.80.69.12 | 357582092 | 0 |
| 21.80.69.13 | 357582093 | 0 |
| 21.80.69.14 | 357582094 | 0 |
| 21.80.69.15 | 357582095 | 0 |
| 21.80.69.16 | 357582096 | 0 |
| 21.80.69.17 | 357582097 | 0 |
| 21.80.69.18 | 357582098 | 0 |
| 21.80.69.19 | 357582099 | 0 |
| 21.80.69.20 | 357582100 | 0 |
| 21.80.69.21 | 357582101 | 0 |
| 21.80.69.22 | 357582102 | 0 |
| 21.80.69.23 | 357582103 | 0 |
| 21.80.69.24 | 357582104 | 0 |
| 21.80.69.25 | 357582105 | 0 |
| 21.80.69.26 | 357582106 | 0 |
| 21.80.69.27 | 357582107 | 0 |
| 21.80.69.28 | 357582108 | 0 |
| 21.80.69.29 | 357582109 | 0 |
| 21.80.69.30 | 357582110 | 0 |
| 21.80.69.31 | 357582111 | 0 |
| 21.80.69.32 | 357582112 | 0 |
| 21.80.69.33 | 357582113 | 0 |
| 21.80.69.34 | 357582114 | 0 |
| 21.80.69.35 | 357582115 | 0 |
| 21.80.69.36 | 357582116 | 0 |
| 21.80.69.37 | 357582117 | 0 |
| 21.80.69.38 | 357582118 | 0 |
| 21.80.69.39 | 357582119 | 0 |
| 21.80.69.40 | 357582120 | 0 |
| 21.80.69.41 | 357582121 | 0 |
| 21.80.69.42 | 357582122 | 0 |
| 21.80.69.43 | 357582123 | 0 |
| 21.80.69.44 | 357582124 | 0 |
| 21.80.69.45 | 357582125 | 0 |
| 21.80.69.46 | 357582126 | 0 |
| 21.80.69.47 | 357582127 | 0 |
| 21.80.69.48 | 357582128 | 0 |
| 21.80.69.49 | 357582129 | 0 |
| 21.80.69.50 | 357582130 | 0 |
| 21.80.69.51 | 357582131 | 0 |
| 21.80.69.52 | 357582132 | 0 |
| 21.80.69.53 | 357582133 | 0 |
| 21.80.69.54 | 357582134 | 0 |
| 21.80.69.55 | 357582135 | 0 |
| 21.80.69.56 | 357582136 | 0 |
| 21.80.69.57 | 357582137 | 0 |
| 21.80.69.58 | 357582138 | 0 |
| 21.80.69.59 | 357582139 | 0 |
| 21.80.69.60 | 357582140 | 0 |
| 21.80.69.61 | 357582141 | 0 |
| 21.80.69.62 | 357582142 | 0 |
| 21.80.69.63 | 357582143 | 0 |
| 21.80.69.64 | 357582144 | 0 |
| 21.80.69.65 | 357582145 | 0 |
| 21.80.69.66 | 357582146 | 0 |
| 21.80.69.67 | 357582147 | 0 |
| 21.80.69.68 | 357582148 | 0 |
| 21.80.69.69 | 357582149 | 0 |
| 21.80.69.70 | 357582150 | 0 |
| 21.80.69.71 | 357582151 | 0 |
| 21.80.69.72 | 357582152 | 0 |
| 21.80.69.73 | 357582153 | 0 |
| 21.80.69.74 | 357582154 | 0 |
| 21.80.69.75 | 357582155 | 0 |
| 21.80.69.76 | 357582156 | 0 |
| 21.80.69.77 | 357582157 | 0 |
| 21.80.69.78 | 357582158 | 0 |
| 21.80.69.79 | 357582159 | 0 |
| 21.80.69.80 | 357582160 | 0 |
| 21.80.69.81 | 357582161 | 0 |
| 21.80.69.82 | 357582162 | 0 |
| 21.80.69.83 | 357582163 | 0 |
| 21.80.69.84 | 357582164 | 0 |
| 21.80.69.85 | 357582165 | 0 |