L'indirizzo IP 21.241.9 è fornito da China Education and Research Network Center, che è di proprietà del CIDR (Classless Inter-Domain Routing) 22.30.204.0/23, IP tra 22.30.204.0 a 22.30.205.255 ). Il numero di sistema autonomo (ASN) è 4538.
| ASN | 4538 |
| IP inizia con | 22.30.204.0 |
| IP finale con | 22.30.205.255 |
| ASN Nome | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| IP numerico | |
| Registe | |
| Ultimo aggiornamento | 28/03/2019 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | ES | Spain | - | Madrid | 40,4165 | -3,7026 | 2019-03-28 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2019-03-28 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.241.9.0 | 368118016 | 0 |
| 21.241.9.1 | 368118017 | 0 |
| 21.241.9.2 | 368118018 | 0 |
| 21.241.9.3 | 368118019 | 0 |
| 21.241.9.4 | 368118020 | 0 |
| 21.241.9.5 | 368118021 | 0 |
| 21.241.9.6 | 368118022 | 0 |
| 21.241.9.7 | 368118023 | 0 |
| 21.241.9.8 | 368118024 | 0 |
| 21.241.9.9 | 368118025 | 0 |
| 21.241.9.10 | 368118026 | 0 |
| 21.241.9.11 | 368118027 | 0 |
| 21.241.9.12 | 368118028 | 0 |
| 21.241.9.13 | 368118029 | 0 |
| 21.241.9.14 | 368118030 | 0 |
| 21.241.9.15 | 368118031 | 0 |
| 21.241.9.16 | 368118032 | 0 |
| 21.241.9.17 | 368118033 | 0 |
| 21.241.9.18 | 368118034 | 0 |
| 21.241.9.19 | 368118035 | 0 |
| 21.241.9.20 | 368118036 | 0 |
| 21.241.9.21 | 368118037 | 0 |
| 21.241.9.22 | 368118038 | 0 |
| 21.241.9.23 | 368118039 | 0 |
| 21.241.9.24 | 368118040 | 0 |
| 21.241.9.25 | 368118041 | 0 |
| 21.241.9.26 | 368118042 | 0 |
| 21.241.9.27 | 368118043 | 0 |
| 21.241.9.28 | 368118044 | 0 |
| 21.241.9.29 | 368118045 | 0 |
| 21.241.9.30 | 368118046 | 0 |
| 21.241.9.31 | 368118047 | 0 |
| 21.241.9.32 | 368118048 | 0 |
| 21.241.9.33 | 368118049 | 0 |
| 21.241.9.34 | 368118050 | 0 |
| 21.241.9.35 | 368118051 | 0 |
| 21.241.9.36 | 368118052 | 0 |
| 21.241.9.37 | 368118053 | 0 |
| 21.241.9.38 | 368118054 | 0 |
| 21.241.9.39 | 368118055 | 0 |
| 21.241.9.40 | 368118056 | 0 |
| 21.241.9.41 | 368118057 | 0 |
| 21.241.9.42 | 368118058 | 0 |
| 21.241.9.43 | 368118059 | 0 |
| 21.241.9.44 | 368118060 | 0 |
| 21.241.9.45 | 368118061 | 0 |
| 21.241.9.46 | 368118062 | 0 |
| 21.241.9.47 | 368118063 | 0 |
| 21.241.9.48 | 368118064 | 0 |
| 21.241.9.49 | 368118065 | 0 |
| 21.241.9.50 | 368118066 | 0 |
| 21.241.9.51 | 368118067 | 0 |
| 21.241.9.52 | 368118068 | 0 |
| 21.241.9.53 | 368118069 | 0 |
| 21.241.9.54 | 368118070 | 0 |
| 21.241.9.55 | 368118071 | 0 |
| 21.241.9.56 | 368118072 | 0 |
| 21.241.9.57 | 368118073 | 0 |
| 21.241.9.58 | 368118074 | 0 |
| 21.241.9.59 | 368118075 | 0 |
| 21.241.9.60 | 368118076 | 0 |
| 21.241.9.61 | 368118077 | 0 |
| 21.241.9.62 | 368118078 | 0 |
| 21.241.9.63 | 368118079 | 0 |
| 21.241.9.64 | 368118080 | 0 |
| 21.241.9.65 | 368118081 | 0 |
| 21.241.9.66 | 368118082 | 0 |
| 21.241.9.67 | 368118083 | 0 |
| 21.241.9.68 | 368118084 | 0 |
| 21.241.9.69 | 368118085 | 0 |
| 21.241.9.70 | 368118086 | 0 |
| 21.241.9.71 | 368118087 | 0 |
| 21.241.9.72 | 368118088 | 0 |
| 21.241.9.73 | 368118089 | 0 |
| 21.241.9.74 | 368118090 | 0 |
| 21.241.9.75 | 368118091 | 0 |
| 21.241.9.76 | 368118092 | 0 |
| 21.241.9.77 | 368118093 | 0 |
| 21.241.9.78 | 368118094 | 0 |
| 21.241.9.79 | 368118095 | 0 |
| 21.241.9.80 | 368118096 | 0 |
| 21.241.9.81 | 368118097 | 0 |
| 21.241.9.82 | 368118098 | 0 |
| 21.241.9.83 | 368118099 | 0 |
| 21.241.9.84 | 368118100 | 0 |
| 21.241.9.85 | 368118101 | 0 |