La dirección IP 220.71.21 es proporcionada por Korea Telecom, que es propiedad de la CIDR (Classless Inter-Domain Routing) 220.70.0.0/15, IP entre 220.70.0.0 a 220.71.255.255 ). El número de sistema autónomo (ASN) es 4766.
| ASN | 4766 |
| IP que comienzan con | 220.70.0.0 |
| IP que termina con | 220.71.255.255 |
| ASN Nombre | Korea Telecom |
| CDIR | 220.70.0.0/15 |
| IP numérica | |
| Registe | apnic |
| Última actualización | 14/09/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | KR | Corea del Sur | - | Kwangmyong | 37,4772 | 126,8664 | 2018-11-25 |
| MaxMind | KR | Corea del Sur | - | - | 37,5112 | 126,9741 | 2018-11-25 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 220.71.21.0 | 3695645952 | 0 |
| 220.71.21.1 | 3695645953 | 0 |
| 220.71.21.2 | 3695645954 | 0 |
| 220.71.21.3 | 3695645955 | 0 |
| 220.71.21.4 | 3695645956 | 0 |
| 220.71.21.5 | 3695645957 | 0 |
| 220.71.21.6 | 3695645958 | 0 |
| 220.71.21.7 | 3695645959 | 0 |
| 220.71.21.8 | 3695645960 | 0 |
| 220.71.21.9 | 3695645961 | 0 |
| 220.71.21.10 | 3695645962 | 0 |
| 220.71.21.11 | 3695645963 | 0 |
| 220.71.21.12 | 3695645964 | 0 |
| 220.71.21.13 | 3695645965 | 0 |
| 220.71.21.14 | 3695645966 | 0 |
| 220.71.21.15 | 3695645967 | 0 |
| 220.71.21.16 | 3695645968 | 0 |
| 220.71.21.17 | 3695645969 | 0 |
| 220.71.21.18 | 3695645970 | 0 |
| 220.71.21.19 | 3695645971 | 0 |
| 220.71.21.20 | 3695645972 | 0 |
| 220.71.21.21 | 3695645973 | 0 |
| 220.71.21.22 | 3695645974 | 0 |
| 220.71.21.23 | 3695645975 | 0 |
| 220.71.21.24 | 3695645976 | 0 |
| 220.71.21.25 | 3695645977 | 0 |
| 220.71.21.26 | 3695645978 | 0 |
| 220.71.21.27 | 3695645979 | 0 |
| 220.71.21.28 | 3695645980 | 0 |
| 220.71.21.29 | 3695645981 | 0 |
| 220.71.21.30 | 3695645982 | 0 |
| 220.71.21.31 | 3695645983 | 0 |
| 220.71.21.32 | 3695645984 | 0 |
| 220.71.21.33 | 3695645985 | 0 |
| 220.71.21.34 | 3695645986 | 0 |
| 220.71.21.35 | 3695645987 | 0 |
| 220.71.21.36 | 3695645988 | 0 |
| 220.71.21.37 | 3695645989 | 0 |
| 220.71.21.38 | 3695645990 | 0 |
| 220.71.21.39 | 3695645991 | 0 |
| 220.71.21.40 | 3695645992 | 0 |
| 220.71.21.41 | 3695645993 | 0 |
| 220.71.21.42 | 3695645994 | 0 |
| 220.71.21.43 | 3695645995 | 0 |
| 220.71.21.44 | 3695645996 | 0 |
| 220.71.21.45 | 3695645997 | 0 |
| 220.71.21.46 | 3695645998 | 0 |
| 220.71.21.47 | 3695645999 | 0 |
| 220.71.21.48 | 3695646000 | 0 |
| 220.71.21.49 | 3695646001 | 0 |
| 220.71.21.50 | 3695646002 | 0 |
| 220.71.21.51 | 3695646003 | 0 |
| 220.71.21.52 | 3695646004 | 0 |
| 220.71.21.53 | 3695646005 | 0 |
| 220.71.21.54 | 3695646006 | 0 |
| 220.71.21.55 | 3695646007 | 0 |
| 220.71.21.56 | 3695646008 | 0 |
| 220.71.21.57 | 3695646009 | 0 |
| 220.71.21.58 | 3695646010 | 0 |
| 220.71.21.59 | 3695646011 | 0 |
| 220.71.21.60 | 3695646012 | 0 |
| 220.71.21.61 | 3695646013 | 0 |
| 220.71.21.62 | 3695646014 | 0 |
| 220.71.21.63 | 3695646015 | 0 |
| 220.71.21.64 | 3695646016 | 0 |
| 220.71.21.65 | 3695646017 | 0 |
| 220.71.21.66 | 3695646018 | 0 |
| 220.71.21.67 | 3695646019 | 0 |
| 220.71.21.68 | 3695646020 | 0 |
| 220.71.21.69 | 3695646021 | 0 |
| 220.71.21.70 | 3695646022 | 0 |
| 220.71.21.71 | 3695646023 | 0 |
| 220.71.21.72 | 3695646024 | 0 |
| 220.71.21.73 | 3695646025 | 0 |
| 220.71.21.74 | 3695646026 | 0 |
| 220.71.21.75 | 3695646027 | 0 |
| 220.71.21.76 | 3695646028 | 0 |
| 220.71.21.77 | 3695646029 | 0 |
| 220.71.21.78 | 3695646030 | 0 |
| 220.71.21.79 | 3695646031 | 0 |
| 220.71.21.80 | 3695646032 | 0 |
| 220.71.21.81 | 3695646033 | 0 |
| 220.71.21.82 | 3695646034 | 0 |
| 220.71.21.83 | 3695646035 | 0 |
| 220.71.21.84 | 3695646036 | 0 |
| 220.71.21.85 | 3695646037 | 0 |