The IP address 121.136.0 is provided by Korea Telecom, it's belong to the CDIR (Classless Inter-Domain Routing) 121.128.0.0/11 (range 121.128.0.0 to 121.159.255.255). The autonomous system number (ASN) is 4766.
| ASN | 4766 |
| IP starting by | 121.128.0.0 |
| IP ending by | 121.159.255.255 |
| ASN Name | Korea Telecom |
| CDIR | 121.128.0.0/11 |
| Numerical IP | |
| Registry | apnic |
| Last update | 26/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | KR | South Korea | - | Seoul | 37.5683 | 126.9778 | 2017-08-26 |
| MaxMind | KR | South Korea | - | Seoul | 37.5111 | 126.9743 | 2017-08-26 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.136.0.0 | 2038956032 | 0 |
| 121.136.0.1 | 2038956033 | 0 |
| 121.136.0.2 | 2038956034 | 0 |
| 121.136.0.3 | 2038956035 | 0 |
| 121.136.0.4 | 2038956036 | 0 |
| 121.136.0.5 | 2038956037 | 0 |
| 121.136.0.6 | 2038956038 | 0 |
| 121.136.0.7 | 2038956039 | 0 |
| 121.136.0.8 | 2038956040 | 0 |
| 121.136.0.9 | 2038956041 | 0 |
| 121.136.0.10 | 2038956042 | 0 |
| 121.136.0.11 | 2038956043 | 0 |
| 121.136.0.12 | 2038956044 | 0 |
| 121.136.0.13 | 2038956045 | 0 |
| 121.136.0.14 | 2038956046 | 0 |
| 121.136.0.15 | 2038956047 | 0 |
| 121.136.0.16 | 2038956048 | 0 |
| 121.136.0.17 | 2038956049 | 0 |
| 121.136.0.18 | 2038956050 | 0 |
| 121.136.0.19 | 2038956051 | 0 |
| 121.136.0.20 | 2038956052 | 0 |
| 121.136.0.21 | 2038956053 | 0 |
| 121.136.0.22 | 2038956054 | 0 |
| 121.136.0.23 | 2038956055 | 0 |
| 121.136.0.24 | 2038956056 | 0 |
| 121.136.0.25 | 2038956057 | 0 |
| 121.136.0.26 | 2038956058 | 0 |
| 121.136.0.27 | 2038956059 | 0 |
| 121.136.0.28 | 2038956060 | 0 |
| 121.136.0.29 | 2038956061 | 0 |
| 121.136.0.30 | 2038956062 | 0 |
| 121.136.0.31 | 2038956063 | 0 |
| 121.136.0.32 | 2038956064 | 0 |
| 121.136.0.33 | 2038956065 | 0 |
| 121.136.0.34 | 2038956066 | 0 |
| 121.136.0.35 | 2038956067 | 0 |
| 121.136.0.36 | 2038956068 | 0 |
| 121.136.0.37 | 2038956069 | 0 |
| 121.136.0.38 | 2038956070 | 0 |
| 121.136.0.39 | 2038956071 | 0 |
| 121.136.0.40 | 2038956072 | 0 |
| 121.136.0.41 | 2038956073 | 0 |
| 121.136.0.42 | 2038956074 | 0 |
| 121.136.0.43 | 2038956075 | 0 |
| 121.136.0.44 | 2038956076 | 0 |
| 121.136.0.45 | 2038956077 | 0 |
| 121.136.0.46 | 2038956078 | 0 |
| 121.136.0.47 | 2038956079 | 0 |
| 121.136.0.48 | 2038956080 | 0 |
| 121.136.0.49 | 2038956081 | 0 |
| 121.136.0.50 | 2038956082 | 0 |
| 121.136.0.51 | 2038956083 | 0 |
| 121.136.0.52 | 2038956084 | 0 |
| 121.136.0.53 | 2038956085 | 0 |
| 121.136.0.54 | 2038956086 | 0 |
| 121.136.0.55 | 2038956087 | 0 |
| 121.136.0.56 | 2038956088 | 0 |
| 121.136.0.57 | 2038956089 | 0 |
| 121.136.0.58 | 2038956090 | 0 |
| 121.136.0.59 | 2038956091 | 0 |
| 121.136.0.60 | 2038956092 | 0 |
| 121.136.0.61 | 2038956093 | 0 |
| 121.136.0.62 | 2038956094 | 0 |
| 121.136.0.63 | 2038956095 | 0 |
| 121.136.0.64 | 2038956096 | 0 |
| 121.136.0.65 | 2038956097 | 0 |
| 121.136.0.66 | 2038956098 | 0 |
| 121.136.0.67 | 2038956099 | 0 |
| 121.136.0.68 | 2038956100 | 0 |
| 121.136.0.69 | 2038956101 | 0 |
| 121.136.0.70 | 2038956102 | 0 |
| 121.136.0.71 | 2038956103 | 0 |
| 121.136.0.72 | 2038956104 | 0 |
| 121.136.0.73 | 2038956105 | 0 |
| 121.136.0.74 | 2038956106 | 0 |
| 121.136.0.75 | 2038956107 | 0 |
| 121.136.0.76 | 2038956108 | 0 |
| 121.136.0.77 | 2038956109 | 0 |
| 121.136.0.78 | 2038956110 | 0 |
| 121.136.0.79 | 2038956111 | 0 |
| 121.136.0.80 | 2038956112 | 0 |
| 121.136.0.81 | 2038956113 | 0 |
| 121.136.0.82 | 2038956114 | 0 |
| 121.136.0.83 | 2038956115 | 0 |
| 121.136.0.84 | 2038956116 | 0 |
| 121.136.0.85 | 2038956117 | 0 |