Les adresses IP débutant par 220.71.57 sont fournies par Korea Telecom, elles appartiennent au CIDR (Classless Inter-Domain Routing) 220.70.0.0/15, le bloc IP comprant les adresses de 220.70.0.0 à 220.71.255.255). Le numéro de système autonome (ASN) est 4766.
| ASN | 4766 |
| IP commençant par | 220.70.0.0 |
| IP se terminant par | 220.71.255.255 |
| Nom ASN | Korea Telecom |
| CDIR | 220.70.0.0/15 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 06/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 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 |
| 220.71.57.0 | 3695655168 | 0 |
| 220.71.57.1 | 3695655169 | 0 |
| 220.71.57.2 | 3695655170 | 0 |
| 220.71.57.3 | 3695655171 | 0 |
| 220.71.57.4 | 3695655172 | 0 |
| 220.71.57.5 | 3695655173 | 0 |
| 220.71.57.6 | 3695655174 | 0 |
| 220.71.57.7 | 3695655175 | 0 |
| 220.71.57.8 | 3695655176 | 0 |
| 220.71.57.9 | 3695655177 | 0 |
| 220.71.57.10 | 3695655178 | 0 |
| 220.71.57.11 | 3695655179 | 0 |
| 220.71.57.12 | 3695655180 | 0 |
| 220.71.57.13 | 3695655181 | 0 |
| 220.71.57.14 | 3695655182 | 0 |
| 220.71.57.15 | 3695655183 | 0 |
| 220.71.57.16 | 3695655184 | 0 |
| 220.71.57.17 | 3695655185 | 0 |
| 220.71.57.18 | 3695655186 | 0 |
| 220.71.57.19 | 3695655187 | 0 |
| 220.71.57.20 | 3695655188 | 0 |
| 220.71.57.21 | 3695655189 | 0 |
| 220.71.57.22 | 3695655190 | 0 |
| 220.71.57.23 | 3695655191 | 0 |
| 220.71.57.24 | 3695655192 | 0 |
| 220.71.57.25 | 3695655193 | 0 |
| 220.71.57.26 | 3695655194 | 0 |
| 220.71.57.27 | 3695655195 | 0 |
| 220.71.57.28 | 3695655196 | 0 |
| 220.71.57.29 | 3695655197 | 0 |
| 220.71.57.30 | 3695655198 | 0 |
| 220.71.57.31 | 3695655199 | 0 |
| 220.71.57.32 | 3695655200 | 0 |
| 220.71.57.33 | 3695655201 | 0 |
| 220.71.57.34 | 3695655202 | 0 |
| 220.71.57.35 | 3695655203 | 0 |
| 220.71.57.36 | 3695655204 | 0 |
| 220.71.57.37 | 3695655205 | 0 |
| 220.71.57.38 | 3695655206 | 0 |
| 220.71.57.39 | 3695655207 | 0 |
| 220.71.57.40 | 3695655208 | 0 |
| 220.71.57.41 | 3695655209 | 0 |
| 220.71.57.42 | 3695655210 | 0 |
| 220.71.57.43 | 3695655211 | 0 |
| 220.71.57.44 | 3695655212 | 0 |
| 220.71.57.45 | 3695655213 | 0 |
| 220.71.57.46 | 3695655214 | 0 |
| 220.71.57.47 | 3695655215 | 0 |
| 220.71.57.48 | 3695655216 | 0 |
| 220.71.57.49 | 3695655217 | 0 |
| 220.71.57.50 | 3695655218 | 0 |
| 220.71.57.51 | 3695655219 | 0 |
| 220.71.57.52 | 3695655220 | 0 |
| 220.71.57.53 | 3695655221 | 0 |
| 220.71.57.54 | 3695655222 | 0 |
| 220.71.57.55 | 3695655223 | 0 |
| 220.71.57.56 | 3695655224 | 0 |
| 220.71.57.57 | 3695655225 | 0 |
| 220.71.57.58 | 3695655226 | 0 |
| 220.71.57.59 | 3695655227 | 0 |
| 220.71.57.60 | 3695655228 | 0 |
| 220.71.57.61 | 3695655229 | 0 |
| 220.71.57.62 | 3695655230 | 0 |
| 220.71.57.63 | 3695655231 | 0 |
| 220.71.57.64 | 3695655232 | 0 |
| 220.71.57.65 | 3695655233 | 0 |
| 220.71.57.66 | 3695655234 | 0 |
| 220.71.57.67 | 3695655235 | 0 |
| 220.71.57.68 | 3695655236 | 0 |
| 220.71.57.69 | 3695655237 | 0 |
| 220.71.57.70 | 3695655238 | 0 |
| 220.71.57.71 | 3695655239 | 0 |
| 220.71.57.72 | 3695655240 | 0 |
| 220.71.57.73 | 3695655241 | 0 |
| 220.71.57.74 | 3695655242 | 0 |
| 220.71.57.75 | 3695655243 | 0 |
| 220.71.57.76 | 3695655244 | 0 |
| 220.71.57.77 | 3695655245 | 0 |
| 220.71.57.78 | 3695655246 | 0 |
| 220.71.57.79 | 3695655247 | 0 |
| 220.71.57.80 | 3695655248 | 0 |
| 220.71.57.81 | 3695655249 | 0 |
| 220.71.57.82 | 3695655250 | 0 |
| 220.71.57.83 | 3695655251 | 0 |
| 220.71.57.84 | 3695655252 | 0 |
| 220.71.57.85 | 3695655253 | 0 |