The IP address 21.88.40 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 22.30.204.0/23 (range 22.30.204.0 to 22.30.205.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 22.30.204.0 |
| IP ending by | 22.30.205.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 22.30.204.0/23 |
| Numerical IP | |
| Registry | |
| Last update | 23/12/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2017-12-22 |
| MaxMind | US | United States | - | - | 37.751 | -97.822 | 2017-12-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.88.40.0 | 358098944 | 0 |
| 21.88.40.1 | 358098945 | 0 |
| 21.88.40.2 | 358098946 | 0 |
| 21.88.40.3 | 358098947 | 0 |
| 21.88.40.4 | 358098948 | 0 |
| 21.88.40.5 | 358098949 | 0 |
| 21.88.40.6 | 358098950 | 0 |
| 21.88.40.7 | 358098951 | 0 |
| 21.88.40.8 | 358098952 | 0 |
| 21.88.40.9 | 358098953 | 0 |
| 21.88.40.10 | 358098954 | 0 |
| 21.88.40.11 | 358098955 | 0 |
| 21.88.40.12 | 358098956 | 0 |
| 21.88.40.13 | 358098957 | 0 |
| 21.88.40.14 | 358098958 | 0 |
| 21.88.40.15 | 358098959 | 0 |
| 21.88.40.16 | 358098960 | 0 |
| 21.88.40.17 | 358098961 | 0 |
| 21.88.40.18 | 358098962 | 0 |
| 21.88.40.19 | 358098963 | 0 |
| 21.88.40.20 | 358098964 | 0 |
| 21.88.40.21 | 358098965 | 0 |
| 21.88.40.22 | 358098966 | 0 |
| 21.88.40.23 | 358098967 | 0 |
| 21.88.40.24 | 358098968 | 0 |
| 21.88.40.25 | 358098969 | 0 |
| 21.88.40.26 | 358098970 | 0 |
| 21.88.40.27 | 358098971 | 0 |
| 21.88.40.28 | 358098972 | 0 |
| 21.88.40.29 | 358098973 | 0 |
| 21.88.40.30 | 358098974 | 0 |
| 21.88.40.31 | 358098975 | 0 |
| 21.88.40.32 | 358098976 | 0 |
| 21.88.40.33 | 358098977 | 0 |
| 21.88.40.34 | 358098978 | 0 |
| 21.88.40.35 | 358098979 | 0 |
| 21.88.40.36 | 358098980 | 0 |
| 21.88.40.37 | 358098981 | 0 |
| 21.88.40.38 | 358098982 | 0 |
| 21.88.40.39 | 358098983 | 0 |
| 21.88.40.40 | 358098984 | 0 |
| 21.88.40.41 | 358098985 | 0 |
| 21.88.40.42 | 358098986 | 0 |
| 21.88.40.43 | 358098987 | 0 |
| 21.88.40.44 | 358098988 | 0 |
| 21.88.40.45 | 358098989 | 0 |
| 21.88.40.46 | 358098990 | 0 |
| 21.88.40.47 | 358098991 | 0 |
| 21.88.40.48 | 358098992 | 0 |
| 21.88.40.49 | 358098993 | 0 |
| 21.88.40.50 | 358098994 | 0 |
| 21.88.40.51 | 358098995 | 0 |
| 21.88.40.52 | 358098996 | 0 |
| 21.88.40.53 | 358098997 | 0 |
| 21.88.40.54 | 358098998 | 0 |
| 21.88.40.55 | 358098999 | 0 |
| 21.88.40.56 | 358099000 | 0 |
| 21.88.40.57 | 358099001 | 0 |
| 21.88.40.58 | 358099002 | 0 |
| 21.88.40.59 | 358099003 | 0 |
| 21.88.40.60 | 358099004 | 0 |
| 21.88.40.61 | 358099005 | 0 |
| 21.88.40.62 | 358099006 | 0 |
| 21.88.40.63 | 358099007 | 0 |
| 21.88.40.64 | 358099008 | 0 |
| 21.88.40.65 | 358099009 | 0 |
| 21.88.40.66 | 358099010 | 0 |
| 21.88.40.67 | 358099011 | 0 |
| 21.88.40.68 | 358099012 | 0 |
| 21.88.40.69 | 358099013 | 0 |
| 21.88.40.70 | 358099014 | 0 |
| 21.88.40.71 | 358099015 | 0 |
| 21.88.40.72 | 358099016 | 0 |
| 21.88.40.73 | 358099017 | 0 |
| 21.88.40.74 | 358099018 | 0 |
| 21.88.40.75 | 358099019 | 0 |
| 21.88.40.76 | 358099020 | 0 |
| 21.88.40.77 | 358099021 | 0 |
| 21.88.40.78 | 358099022 | 0 |
| 21.88.40.79 | 358099023 | 0 |
| 21.88.40.80 | 358099024 | 0 |
| 21.88.40.81 | 358099025 | 0 |
| 21.88.40.82 | 358099026 | 0 |
| 21.88.40.83 | 358099027 | 0 |
| 21.88.40.84 | 358099028 | 0 |
| 21.88.40.85 | 358099029 | 0 |