L'indirizzo IP 21.85.97 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 | 04/12/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Columbus | 39,9664 | -83,0128 | 2017-12-03 |
| MaxMind | US | United States | - | - | 37,751 | -97,822 | 2017-12-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 21.85.97.0 | 357916928 | 0 |
| 21.85.97.1 | 357916929 | 0 |
| 21.85.97.2 | 357916930 | 0 |
| 21.85.97.3 | 357916931 | 0 |
| 21.85.97.4 | 357916932 | 0 |
| 21.85.97.5 | 357916933 | 0 |
| 21.85.97.6 | 357916934 | 0 |
| 21.85.97.7 | 357916935 | 0 |
| 21.85.97.8 | 357916936 | 0 |
| 21.85.97.9 | 357916937 | 0 |
| 21.85.97.10 | 357916938 | 0 |
| 21.85.97.11 | 357916939 | 0 |
| 21.85.97.12 | 357916940 | 0 |
| 21.85.97.13 | 357916941 | 0 |
| 21.85.97.14 | 357916942 | 0 |
| 21.85.97.15 | 357916943 | 0 |
| 21.85.97.16 | 357916944 | 0 |
| 21.85.97.17 | 357916945 | 0 |
| 21.85.97.18 | 357916946 | 0 |
| 21.85.97.19 | 357916947 | 0 |
| 21.85.97.20 | 357916948 | 0 |
| 21.85.97.21 | 357916949 | 0 |
| 21.85.97.22 | 357916950 | 0 |
| 21.85.97.23 | 357916951 | 0 |
| 21.85.97.24 | 357916952 | 0 |
| 21.85.97.25 | 357916953 | 0 |
| 21.85.97.26 | 357916954 | 0 |
| 21.85.97.27 | 357916955 | 0 |
| 21.85.97.28 | 357916956 | 0 |
| 21.85.97.29 | 357916957 | 0 |
| 21.85.97.30 | 357916958 | 0 |
| 21.85.97.31 | 357916959 | 0 |
| 21.85.97.32 | 357916960 | 0 |
| 21.85.97.33 | 357916961 | 0 |
| 21.85.97.34 | 357916962 | 0 |
| 21.85.97.35 | 357916963 | 0 |
| 21.85.97.36 | 357916964 | 0 |
| 21.85.97.37 | 357916965 | 0 |
| 21.85.97.38 | 357916966 | 0 |
| 21.85.97.39 | 357916967 | 0 |
| 21.85.97.40 | 357916968 | 0 |
| 21.85.97.41 | 357916969 | 0 |
| 21.85.97.42 | 357916970 | 0 |
| 21.85.97.43 | 357916971 | 0 |
| 21.85.97.44 | 357916972 | 0 |
| 21.85.97.45 | 357916973 | 0 |
| 21.85.97.46 | 357916974 | 0 |
| 21.85.97.47 | 357916975 | 0 |
| 21.85.97.48 | 357916976 | 0 |
| 21.85.97.49 | 357916977 | 0 |
| 21.85.97.50 | 357916978 | 0 |
| 21.85.97.51 | 357916979 | 0 |
| 21.85.97.52 | 357916980 | 0 |
| 21.85.97.53 | 357916981 | 0 |
| 21.85.97.54 | 357916982 | 0 |
| 21.85.97.55 | 357916983 | 0 |
| 21.85.97.56 | 357916984 | 0 |
| 21.85.97.57 | 357916985 | 0 |
| 21.85.97.58 | 357916986 | 0 |
| 21.85.97.59 | 357916987 | 0 |
| 21.85.97.60 | 357916988 | 0 |
| 21.85.97.61 | 357916989 | 0 |
| 21.85.97.62 | 357916990 | 0 |
| 21.85.97.63 | 357916991 | 0 |
| 21.85.97.64 | 357916992 | 0 |
| 21.85.97.65 | 357916993 | 0 |
| 21.85.97.66 | 357916994 | 0 |
| 21.85.97.67 | 357916995 | 0 |
| 21.85.97.68 | 357916996 | 0 |
| 21.85.97.69 | 357916997 | 0 |
| 21.85.97.70 | 357916998 | 0 |
| 21.85.97.71 | 357916999 | 0 |
| 21.85.97.72 | 357917000 | 0 |
| 21.85.97.73 | 357917001 | 0 |
| 21.85.97.74 | 357917002 | 0 |
| 21.85.97.75 | 357917003 | 0 |
| 21.85.97.76 | 357917004 | 0 |
| 21.85.97.77 | 357917005 | 0 |
| 21.85.97.78 | 357917006 | 0 |
| 21.85.97.79 | 357917007 | 0 |
| 21.85.97.80 | 357917008 | 0 |
| 21.85.97.81 | 357917009 | 0 |
| 21.85.97.82 | 357917010 | 0 |
| 21.85.97.83 | 357917011 | 0 |
| 21.85.97.84 | 357917012 | 0 |
| 21.85.97.85 | 357917013 | 0 |