Les adresses IP débutant par 21.98.78 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 | 19/09/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Columbus | 39,9664 | -83,0128 | 2017-09-19 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-09-19 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.98.78.0 | 358764032 | 0 |
| 21.98.78.1 | 358764033 | 0 |
| 21.98.78.2 | 358764034 | 0 |
| 21.98.78.3 | 358764035 | 0 |
| 21.98.78.4 | 358764036 | 0 |
| 21.98.78.5 | 358764037 | 0 |
| 21.98.78.6 | 358764038 | 0 |
| 21.98.78.7 | 358764039 | 0 |
| 21.98.78.8 | 358764040 | 0 |
| 21.98.78.9 | 358764041 | 0 |
| 21.98.78.10 | 358764042 | 0 |
| 21.98.78.11 | 358764043 | 0 |
| 21.98.78.12 | 358764044 | 0 |
| 21.98.78.13 | 358764045 | 0 |
| 21.98.78.14 | 358764046 | 0 |
| 21.98.78.15 | 358764047 | 0 |
| 21.98.78.16 | 358764048 | 0 |
| 21.98.78.17 | 358764049 | 0 |
| 21.98.78.18 | 358764050 | 0 |
| 21.98.78.19 | 358764051 | 0 |
| 21.98.78.20 | 358764052 | 0 |
| 21.98.78.21 | 358764053 | 0 |
| 21.98.78.22 | 358764054 | 0 |
| 21.98.78.23 | 358764055 | 0 |
| 21.98.78.24 | 358764056 | 0 |
| 21.98.78.25 | 358764057 | 0 |
| 21.98.78.26 | 358764058 | 0 |
| 21.98.78.27 | 358764059 | 0 |
| 21.98.78.28 | 358764060 | 0 |
| 21.98.78.29 | 358764061 | 0 |
| 21.98.78.30 | 358764062 | 0 |
| 21.98.78.31 | 358764063 | 0 |
| 21.98.78.32 | 358764064 | 0 |
| 21.98.78.33 | 358764065 | 0 |
| 21.98.78.34 | 358764066 | 0 |
| 21.98.78.35 | 358764067 | 0 |
| 21.98.78.36 | 358764068 | 0 |
| 21.98.78.37 | 358764069 | 0 |
| 21.98.78.38 | 358764070 | 0 |
| 21.98.78.39 | 358764071 | 0 |
| 21.98.78.40 | 358764072 | 0 |
| 21.98.78.41 | 358764073 | 0 |
| 21.98.78.42 | 358764074 | 0 |
| 21.98.78.43 | 358764075 | 0 |
| 21.98.78.44 | 358764076 | 0 |
| 21.98.78.45 | 358764077 | 0 |
| 21.98.78.46 | 358764078 | 0 |
| 21.98.78.47 | 358764079 | 0 |
| 21.98.78.48 | 358764080 | 0 |
| 21.98.78.49 | 358764081 | 0 |
| 21.98.78.50 | 358764082 | 0 |
| 21.98.78.51 | 358764083 | 0 |
| 21.98.78.52 | 358764084 | 0 |
| 21.98.78.53 | 358764085 | 0 |
| 21.98.78.54 | 358764086 | 0 |
| 21.98.78.55 | 358764087 | 0 |
| 21.98.78.56 | 358764088 | 0 |
| 21.98.78.57 | 358764089 | 0 |
| 21.98.78.58 | 358764090 | 0 |
| 21.98.78.59 | 358764091 | 0 |
| 21.98.78.60 | 358764092 | 0 |
| 21.98.78.61 | 358764093 | 0 |
| 21.98.78.62 | 358764094 | 0 |
| 21.98.78.63 | 358764095 | 0 |
| 21.98.78.64 | 358764096 | 0 |
| 21.98.78.65 | 358764097 | 0 |
| 21.98.78.66 | 358764098 | 0 |
| 21.98.78.67 | 358764099 | 0 |
| 21.98.78.68 | 358764100 | 0 |
| 21.98.78.69 | 358764101 | 0 |
| 21.98.78.70 | 358764102 | 0 |
| 21.98.78.71 | 358764103 | 0 |
| 21.98.78.72 | 358764104 | 0 |
| 21.98.78.73 | 358764105 | 0 |
| 21.98.78.74 | 358764106 | 0 |
| 21.98.78.75 | 358764107 | 0 |
| 21.98.78.76 | 358764108 | 0 |
| 21.98.78.77 | 358764109 | 0 |
| 21.98.78.78 | 358764110 | 0 |
| 21.98.78.79 | 358764111 | 0 |
| 21.98.78.80 | 358764112 | 0 |
| 21.98.78.81 | 358764113 | 0 |
| 21.98.78.82 | 358764114 | 0 |
| 21.98.78.83 | 358764115 | 0 |
| 21.98.78.84 | 358764116 | 0 |
| 21.98.78.85 | 358764117 | 0 |