The IP address 121.48.51 is provided by China Education and Research Network Center, it's belong to the CDIR (Classless Inter-Domain Routing) 121.48.0.0/15 (range 121.48.0.0 to 121.49.255.255). The autonomous system number (ASN) is 4538.
| ASN | 4538 |
| IP starting by | 121.48.0.0 |
| IP ending by | 121.49.255.255 |
| ASN Name | China Education and Research Network Center |
| CDIR | 121.48.0.0/15 |
| Numerical IP | |
| Registry | apnic |
| Last update | 18/05/2019 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | CN | China | - | Xichang | 27.8964 | 102.2634 | 2019-05-18 |
| MaxMind | CN | China | - | Chengdu | 30.6667 | 104.0667 | 2019-05-18 |
| Whois | CN | - | - | - | 104 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.48.51.0 | 2033201920 | 0 |
| 121.48.51.1 | 2033201921 | 0 |
| 121.48.51.2 | 2033201922 | 0 |
| 121.48.51.3 | 2033201923 | 0 |
| 121.48.51.4 | 2033201924 | 0 |
| 121.48.51.5 | 2033201925 | 0 |
| 121.48.51.6 | 2033201926 | 0 |
| 121.48.51.7 | 2033201927 | 0 |
| 121.48.51.8 | 2033201928 | 0 |
| 121.48.51.9 | 2033201929 | 0 |
| 121.48.51.10 | 2033201930 | 0 |
| 121.48.51.11 | 2033201931 | 0 |
| 121.48.51.12 | 2033201932 | 0 |
| 121.48.51.13 | 2033201933 | 0 |
| 121.48.51.14 | 2033201934 | 0 |
| 121.48.51.15 | 2033201935 | 0 |
| 121.48.51.16 | 2033201936 | 0 |
| 121.48.51.17 | 2033201937 | 0 |
| 121.48.51.18 | 2033201938 | 0 |
| 121.48.51.19 | 2033201939 | 0 |
| 121.48.51.20 | 2033201940 | 0 |
| 121.48.51.21 | 2033201941 | 0 |
| 121.48.51.22 | 2033201942 | 0 |
| 121.48.51.23 | 2033201943 | 0 |
| 121.48.51.24 | 2033201944 | 0 |
| 121.48.51.25 | 2033201945 | 0 |
| 121.48.51.26 | 2033201946 | 0 |
| 121.48.51.27 | 2033201947 | 0 |
| 121.48.51.28 | 2033201948 | 0 |
| 121.48.51.29 | 2033201949 | 0 |
| 121.48.51.30 | 2033201950 | 0 |
| 121.48.51.31 | 2033201951 | 0 |
| 121.48.51.32 | 2033201952 | 0 |
| 121.48.51.33 | 2033201953 | 0 |
| 121.48.51.34 | 2033201954 | 0 |
| 121.48.51.35 | 2033201955 | 0 |
| 121.48.51.36 | 2033201956 | 0 |
| 121.48.51.37 | 2033201957 | 0 |
| 121.48.51.38 | 2033201958 | 0 |
| 121.48.51.39 | 2033201959 | 0 |
| 121.48.51.40 | 2033201960 | 0 |
| 121.48.51.41 | 2033201961 | 0 |
| 121.48.51.42 | 2033201962 | 0 |
| 121.48.51.43 | 2033201963 | 0 |
| 121.48.51.44 | 2033201964 | 0 |
| 121.48.51.45 | 2033201965 | 0 |
| 121.48.51.46 | 2033201966 | 0 |
| 121.48.51.47 | 2033201967 | 0 |
| 121.48.51.48 | 2033201968 | 0 |
| 121.48.51.49 | 2033201969 | 0 |
| 121.48.51.50 | 2033201970 | 0 |
| 121.48.51.51 | 2033201971 | 0 |
| 121.48.51.52 | 2033201972 | 0 |
| 121.48.51.53 | 2033201973 | 0 |
| 121.48.51.54 | 2033201974 | 0 |
| 121.48.51.55 | 2033201975 | 0 |
| 121.48.51.56 | 2033201976 | 0 |
| 121.48.51.57 | 2033201977 | 0 |
| 121.48.51.58 | 2033201978 | 0 |
| 121.48.51.59 | 2033201979 | 0 |
| 121.48.51.60 | 2033201980 | 0 |
| 121.48.51.61 | 2033201981 | 0 |
| 121.48.51.62 | 2033201982 | 0 |
| 121.48.51.63 | 2033201983 | 0 |
| 121.48.51.64 | 2033201984 | 0 |
| 121.48.51.65 | 2033201985 | 0 |
| 121.48.51.66 | 2033201986 | 0 |
| 121.48.51.67 | 2033201987 | 0 |
| 121.48.51.68 | 2033201988 | 0 |
| 121.48.51.69 | 2033201989 | 0 |
| 121.48.51.70 | 2033201990 | 0 |
| 121.48.51.71 | 2033201991 | 0 |
| 121.48.51.72 | 2033201992 | 0 |
| 121.48.51.73 | 2033201993 | 0 |
| 121.48.51.74 | 2033201994 | 0 |
| 121.48.51.75 | 2033201995 | 0 |
| 121.48.51.76 | 2033201996 | 0 |
| 121.48.51.77 | 2033201997 | 0 |
| 121.48.51.78 | 2033201998 | 0 |
| 121.48.51.79 | 2033201999 | 0 |
| 121.48.51.80 | 2033202000 | 0 |
| 121.48.51.81 | 2033202001 | 0 |
| 121.48.51.82 | 2033202002 | 0 |
| 121.48.51.83 | 2033202003 | 0 |
| 121.48.51.84 | 2033202004 | 0 |
| 121.48.51.85 | 2033202005 | 0 |