Les adresses IP débutant par 121.132.9 sont fournies par Korea Telecom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.128.0.0/11, le bloc IP comprant les adresses de 121.128.0.0 à 121.159.255.255). Le numéro de système autonome (ASN) est 4766.
| ASN | 4766 |
| IP commençant par | 121.128.0.0 |
| IP se terminant par | 121.159.255.255 |
| Nom ASN | Korea Telecom |
| CDIR | 121.128.0.0/11 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 06/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Corée du Sud | - | Goyang | 37,6564 | 126,835 | 2017-08-06 |
| MaxMind | KR | Corée du Sud | - | Seoul | 37,5111 | 126,9743 | 2017-08-06 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.132.9.0 | 2038696192 | 0 |
| 121.132.9.1 | 2038696193 | 0 |
| 121.132.9.2 | 2038696194 | 0 |
| 121.132.9.3 | 2038696195 | 0 |
| 121.132.9.4 | 2038696196 | 0 |
| 121.132.9.5 | 2038696197 | 0 |
| 121.132.9.6 | 2038696198 | 0 |
| 121.132.9.7 | 2038696199 | 0 |
| 121.132.9.8 | 2038696200 | 0 |
| 121.132.9.9 | 2038696201 | 0 |
| 121.132.9.10 | 2038696202 | 0 |
| 121.132.9.11 | 2038696203 | 0 |
| 121.132.9.12 | 2038696204 | 0 |
| 121.132.9.13 | 2038696205 | 0 |
| 121.132.9.14 | 2038696206 | 0 |
| 121.132.9.15 | 2038696207 | 0 |
| 121.132.9.16 | 2038696208 | 0 |
| 121.132.9.17 | 2038696209 | 0 |
| 121.132.9.18 | 2038696210 | 0 |
| 121.132.9.19 | 2038696211 | 0 |
| 121.132.9.20 | 2038696212 | 0 |
| 121.132.9.21 | 2038696213 | 0 |
| 121.132.9.22 | 2038696214 | 0 |
| 121.132.9.23 | 2038696215 | 0 |
| 121.132.9.24 | 2038696216 | 0 |
| 121.132.9.25 | 2038696217 | 0 |
| 121.132.9.26 | 2038696218 | 0 |
| 121.132.9.27 | 2038696219 | 0 |
| 121.132.9.28 | 2038696220 | 0 |
| 121.132.9.29 | 2038696221 | 0 |
| 121.132.9.30 | 2038696222 | 0 |
| 121.132.9.31 | 2038696223 | 0 |
| 121.132.9.32 | 2038696224 | 0 |
| 121.132.9.33 | 2038696225 | 0 |
| 121.132.9.34 | 2038696226 | 0 |
| 121.132.9.35 | 2038696227 | 0 |
| 121.132.9.36 | 2038696228 | 0 |
| 121.132.9.37 | 2038696229 | 0 |
| 121.132.9.38 | 2038696230 | 0 |
| 121.132.9.39 | 2038696231 | 0 |
| 121.132.9.40 | 2038696232 | 0 |
| 121.132.9.41 | 2038696233 | 0 |
| 121.132.9.42 | 2038696234 | 0 |
| 121.132.9.43 | 2038696235 | 0 |
| 121.132.9.44 | 2038696236 | 0 |
| 121.132.9.45 | 2038696237 | 0 |
| 121.132.9.46 | 2038696238 | 0 |
| 121.132.9.47 | 2038696239 | 0 |
| 121.132.9.48 | 2038696240 | 0 |
| 121.132.9.49 | 2038696241 | 0 |
| 121.132.9.50 | 2038696242 | 0 |
| 121.132.9.51 | 2038696243 | 0 |
| 121.132.9.52 | 2038696244 | 0 |
| 121.132.9.53 | 2038696245 | 0 |
| 121.132.9.54 | 2038696246 | 0 |
| 121.132.9.55 | 2038696247 | 0 |
| 121.132.9.56 | 2038696248 | 0 |
| 121.132.9.57 | 2038696249 | 0 |
| 121.132.9.58 | 2038696250 | 0 |
| 121.132.9.59 | 2038696251 | 0 |
| 121.132.9.60 | 2038696252 | 0 |
| 121.132.9.61 | 2038696253 | 0 |
| 121.132.9.62 | 2038696254 | 0 |
| 121.132.9.63 | 2038696255 | 0 |
| 121.132.9.64 | 2038696256 | 0 |
| 121.132.9.65 | 2038696257 | 0 |
| 121.132.9.66 | 2038696258 | 0 |
| 121.132.9.67 | 2038696259 | 0 |
| 121.132.9.68 | 2038696260 | 0 |
| 121.132.9.69 | 2038696261 | 0 |
| 121.132.9.70 | 2038696262 | 0 |
| 121.132.9.71 | 2038696263 | 0 |
| 121.132.9.72 | 2038696264 | 0 |
| 121.132.9.73 | 2038696265 | 0 |
| 121.132.9.74 | 2038696266 | 0 |
| 121.132.9.75 | 2038696267 | 0 |
| 121.132.9.76 | 2038696268 | 0 |
| 121.132.9.77 | 2038696269 | 0 |
| 121.132.9.78 | 2038696270 | 0 |
| 121.132.9.79 | 2038696271 | 0 |
| 121.132.9.80 | 2038696272 | 0 |
| 121.132.9.81 | 2038696273 | 0 |
| 121.132.9.82 | 2038696274 | 0 |
| 121.132.9.83 | 2038696275 | 0 |
| 121.132.9.84 | 2038696276 | 0 |
| 121.132.9.85 | 2038696277 | 0 |