Les adresses IP débutant par 21.99.29 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 | 26/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Columbus | 39,9664 | -83,0128 | 2017-08-26 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-08-26 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.99.29.0 | 358817024 | 0 |
| 21.99.29.1 | 358817025 | 0 |
| 21.99.29.2 | 358817026 | 0 |
| 21.99.29.3 | 358817027 | 0 |
| 21.99.29.4 | 358817028 | 0 |
| 21.99.29.5 | 358817029 | 0 |
| 21.99.29.6 | 358817030 | 0 |
| 21.99.29.7 | 358817031 | 0 |
| 21.99.29.8 | 358817032 | 0 |
| 21.99.29.9 | 358817033 | 0 |
| 21.99.29.10 | 358817034 | 0 |
| 21.99.29.11 | 358817035 | 0 |
| 21.99.29.12 | 358817036 | 0 |
| 21.99.29.13 | 358817037 | 0 |
| 21.99.29.14 | 358817038 | 0 |
| 21.99.29.15 | 358817039 | 0 |
| 21.99.29.16 | 358817040 | 0 |
| 21.99.29.17 | 358817041 | 0 |
| 21.99.29.18 | 358817042 | 0 |
| 21.99.29.19 | 358817043 | 0 |
| 21.99.29.20 | 358817044 | 0 |
| 21.99.29.21 | 358817045 | 0 |
| 21.99.29.22 | 358817046 | 0 |
| 21.99.29.23 | 358817047 | 0 |
| 21.99.29.24 | 358817048 | 0 |
| 21.99.29.25 | 358817049 | 0 |
| 21.99.29.26 | 358817050 | 0 |
| 21.99.29.27 | 358817051 | 0 |
| 21.99.29.28 | 358817052 | 0 |
| 21.99.29.29 | 358817053 | 0 |
| 21.99.29.30 | 358817054 | 0 |
| 21.99.29.31 | 358817055 | 0 |
| 21.99.29.32 | 358817056 | 0 |
| 21.99.29.33 | 358817057 | 0 |
| 21.99.29.34 | 358817058 | 0 |
| 21.99.29.35 | 358817059 | 0 |
| 21.99.29.36 | 358817060 | 0 |
| 21.99.29.37 | 358817061 | 0 |
| 21.99.29.38 | 358817062 | 0 |
| 21.99.29.39 | 358817063 | 0 |
| 21.99.29.40 | 358817064 | 0 |
| 21.99.29.41 | 358817065 | 0 |
| 21.99.29.42 | 358817066 | 0 |
| 21.99.29.43 | 358817067 | 0 |
| 21.99.29.44 | 358817068 | 0 |
| 21.99.29.45 | 358817069 | 0 |
| 21.99.29.46 | 358817070 | 0 |
| 21.99.29.47 | 358817071 | 0 |
| 21.99.29.48 | 358817072 | 0 |
| 21.99.29.49 | 358817073 | 0 |
| 21.99.29.50 | 358817074 | 0 |
| 21.99.29.51 | 358817075 | 0 |
| 21.99.29.52 | 358817076 | 0 |
| 21.99.29.53 | 358817077 | 0 |
| 21.99.29.54 | 358817078 | 0 |
| 21.99.29.55 | 358817079 | 0 |
| 21.99.29.56 | 358817080 | 0 |
| 21.99.29.57 | 358817081 | 0 |
| 21.99.29.58 | 358817082 | 0 |
| 21.99.29.59 | 358817083 | 0 |
| 21.99.29.60 | 358817084 | 0 |
| 21.99.29.61 | 358817085 | 0 |
| 21.99.29.62 | 358817086 | 0 |
| 21.99.29.63 | 358817087 | 0 |
| 21.99.29.64 | 358817088 | 0 |
| 21.99.29.65 | 358817089 | 0 |
| 21.99.29.66 | 358817090 | 0 |
| 21.99.29.67 | 358817091 | 0 |
| 21.99.29.68 | 358817092 | 0 |
| 21.99.29.69 | 358817093 | 0 |
| 21.99.29.70 | 358817094 | 0 |
| 21.99.29.71 | 358817095 | 0 |
| 21.99.29.72 | 358817096 | 0 |
| 21.99.29.73 | 358817097 | 0 |
| 21.99.29.74 | 358817098 | 0 |
| 21.99.29.75 | 358817099 | 0 |
| 21.99.29.76 | 358817100 | 0 |
| 21.99.29.77 | 358817101 | 0 |
| 21.99.29.78 | 358817102 | 0 |
| 21.99.29.79 | 358817103 | 0 |
| 21.99.29.80 | 358817104 | 0 |
| 21.99.29.81 | 358817105 | 0 |
| 21.99.29.82 | 358817106 | 0 |
| 21.99.29.83 | 358817107 | 0 |
| 21.99.29.84 | 358817108 | 0 |
| 21.99.29.85 | 358817109 | 0 |