The IP address 121.231.0 is provided by ChinaNet, it's belong to the CDIR (Classless Inter-Domain Routing) 121.224.0.0/12 (range 121.224.0.0 to 121.239.255.255). The autonomous system number (ASN) is 4134.
| ASN | 4134 |
| IP starting by | 121.224.0.0 |
| IP ending by | 121.239.255.255 |
| ASN Name | ChinaNet |
| CDIR | 121.224.0.0/12 |
| Numerical IP | |
| Registry | apnic |
| Last update | 10/03/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | CN | China | - | Changzhou | 31.7833 | 119.9667 | 2018-03-09 |
| MaxMind | CN | China | - | Nanjing | 32.0617 | 118.7778 | 2018-03-09 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.231.0.0 | 2045181952 | 0 |
| 121.231.0.1 | 2045181953 | 0 |
| 121.231.0.2 | 2045181954 | 0 |
| 121.231.0.3 | 2045181955 | 0 |
| 121.231.0.4 | 2045181956 | 0 |
| 121.231.0.5 | 2045181957 | 0 |
| 121.231.0.6 | 2045181958 | 0 |
| 121.231.0.7 | 2045181959 | 0 |
| 121.231.0.8 | 2045181960 | 0 |
| 121.231.0.9 | 2045181961 | 0 |
| 121.231.0.10 | 2045181962 | 0 |
| 121.231.0.11 | 2045181963 | 0 |
| 121.231.0.12 | 2045181964 | 0 |
| 121.231.0.13 | 2045181965 | 0 |
| 121.231.0.14 | 2045181966 | 0 |
| 121.231.0.15 | 2045181967 | 0 |
| 121.231.0.16 | 2045181968 | 0 |
| 121.231.0.17 | 2045181969 | 0 |
| 121.231.0.18 | 2045181970 | 0 |
| 121.231.0.19 | 2045181971 | 0 |
| 121.231.0.20 | 2045181972 | 0 |
| 121.231.0.21 | 2045181973 | 0 |
| 121.231.0.22 | 2045181974 | 0 |
| 121.231.0.23 | 2045181975 | 0 |
| 121.231.0.24 | 2045181976 | 0 |
| 121.231.0.25 | 2045181977 | 0 |
| 121.231.0.26 | 2045181978 | 0 |
| 121.231.0.27 | 2045181979 | 0 |
| 121.231.0.28 | 2045181980 | 0 |
| 121.231.0.29 | 2045181981 | 0 |
| 121.231.0.30 | 2045181982 | 0 |
| 121.231.0.31 | 2045181983 | 0 |
| 121.231.0.32 | 2045181984 | 0 |
| 121.231.0.33 | 2045181985 | 0 |
| 121.231.0.34 | 2045181986 | 0 |
| 121.231.0.35 | 2045181987 | 0 |
| 121.231.0.36 | 2045181988 | 0 |
| 121.231.0.37 | 2045181989 | 0 |
| 121.231.0.38 | 2045181990 | 0 |
| 121.231.0.39 | 2045181991 | 0 |
| 121.231.0.40 | 2045181992 | 0 |
| 121.231.0.41 | 2045181993 | 0 |
| 121.231.0.42 | 2045181994 | 0 |
| 121.231.0.43 | 2045181995 | 0 |
| 121.231.0.44 | 2045181996 | 0 |
| 121.231.0.45 | 2045181997 | 0 |
| 121.231.0.46 | 2045181998 | 0 |
| 121.231.0.47 | 2045181999 | 0 |
| 121.231.0.48 | 2045182000 | 0 |
| 121.231.0.49 | 2045182001 | 0 |
| 121.231.0.50 | 2045182002 | 0 |
| 121.231.0.51 | 2045182003 | 0 |
| 121.231.0.52 | 2045182004 | 0 |
| 121.231.0.53 | 2045182005 | 0 |
| 121.231.0.54 | 2045182006 | 0 |
| 121.231.0.55 | 2045182007 | 0 |
| 121.231.0.56 | 2045182008 | 0 |
| 121.231.0.57 | 2045182009 | 0 |
| 121.231.0.58 | 2045182010 | 0 |
| 121.231.0.59 | 2045182011 | 0 |
| 121.231.0.60 | 2045182012 | 0 |
| 121.231.0.61 | 2045182013 | 0 |
| 121.231.0.62 | 2045182014 | 0 |
| 121.231.0.63 | 2045182015 | 0 |
| 121.231.0.64 | 2045182016 | 0 |
| 121.231.0.65 | 2045182017 | 0 |
| 121.231.0.66 | 2045182018 | 0 |
| 121.231.0.67 | 2045182019 | 0 |
| 121.231.0.68 | 2045182020 | 0 |
| 121.231.0.69 | 2045182021 | 0 |
| 121.231.0.70 | 2045182022 | 0 |
| 121.231.0.71 | 2045182023 | 0 |
| 121.231.0.72 | 2045182024 | 0 |
| 121.231.0.73 | 2045182025 | 0 |
| 121.231.0.74 | 2045182026 | 0 |
| 121.231.0.75 | 2045182027 | 0 |
| 121.231.0.76 | 2045182028 | 0 |
| 121.231.0.77 | 2045182029 | 0 |
| 121.231.0.78 | 2045182030 | 0 |
| 121.231.0.79 | 2045182031 | 0 |
| 121.231.0.80 | 2045182032 | 0 |
| 121.231.0.81 | 2045182033 | 0 |
| 121.231.0.82 | 2045182034 | 0 |
| 121.231.0.83 | 2045182035 | 0 |
| 121.231.0.84 | 2045182036 | 0 |
| 121.231.0.85 | 2045182037 | 0 |