L'indirizzo IP 39.17.21 è fornito da Korea Telecom, che è di proprietà del CIDR (Classless Inter-Domain Routing) 39.16.0.0/13, IP tra 39.16.0.0 a 39.23.255.255 ). Il numero di sistema autonomo (ASN) è 4766.
| ASN | 4766 |
| IP inizia con | 39.16.0.0 |
| IP finale con | 39.23.255.255 |
| ASN Nome | Korea Telecom |
| CDIR | 39.16.0.0/13 |
| IP numerico | |
| Registe | apnic |
| Ultimo aggiornamento | 12/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | KR | Korea, Republic of | - | Seoul | 37,5683 | 126,9778 | 2017-07-12 |
| MaxMind | KR | Republic of Korea | - | - | 37,5112 | 126,9741 | 2017-07-12 |
| Whois | KR | - | - | - | 128 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 39.17.21.0 | 655430912 | 0 |
| 39.17.21.1 | 655430913 | 0 |
| 39.17.21.2 | 655430914 | 0 |
| 39.17.21.3 | 655430915 | 0 |
| 39.17.21.4 | 655430916 | 0 |
| 39.17.21.5 | 655430917 | 0 |
| 39.17.21.6 | 655430918 | 0 |
| 39.17.21.7 | 655430919 | 0 |
| 39.17.21.8 | 655430920 | 0 |
| 39.17.21.9 | 655430921 | 0 |
| 39.17.21.10 | 655430922 | 0 |
| 39.17.21.11 | 655430923 | 0 |
| 39.17.21.12 | 655430924 | 0 |
| 39.17.21.13 | 655430925 | 0 |
| 39.17.21.14 | 655430926 | 0 |
| 39.17.21.15 | 655430927 | 0 |
| 39.17.21.16 | 655430928 | 0 |
| 39.17.21.17 | 655430929 | 0 |
| 39.17.21.18 | 655430930 | 0 |
| 39.17.21.19 | 655430931 | 0 |
| 39.17.21.20 | 655430932 | 0 |
| 39.17.21.21 | 655430933 | 0 |
| 39.17.21.22 | 655430934 | 0 |
| 39.17.21.23 | 655430935 | 0 |
| 39.17.21.24 | 655430936 | 0 |
| 39.17.21.25 | 655430937 | 0 |
| 39.17.21.26 | 655430938 | 0 |
| 39.17.21.27 | 655430939 | 0 |
| 39.17.21.28 | 655430940 | 0 |
| 39.17.21.29 | 655430941 | 0 |
| 39.17.21.30 | 655430942 | 0 |
| 39.17.21.31 | 655430943 | 0 |
| 39.17.21.32 | 655430944 | 0 |
| 39.17.21.33 | 655430945 | 0 |
| 39.17.21.34 | 655430946 | 0 |
| 39.17.21.35 | 655430947 | 0 |
| 39.17.21.36 | 655430948 | 0 |
| 39.17.21.37 | 655430949 | 0 |
| 39.17.21.38 | 655430950 | 0 |
| 39.17.21.39 | 655430951 | 0 |
| 39.17.21.40 | 655430952 | 0 |
| 39.17.21.41 | 655430953 | 0 |
| 39.17.21.42 | 655430954 | 0 |
| 39.17.21.43 | 655430955 | 0 |
| 39.17.21.44 | 655430956 | 0 |
| 39.17.21.45 | 655430957 | 0 |
| 39.17.21.46 | 655430958 | 0 |
| 39.17.21.47 | 655430959 | 0 |
| 39.17.21.48 | 655430960 | 0 |
| 39.17.21.49 | 655430961 | 0 |
| 39.17.21.50 | 655430962 | 0 |
| 39.17.21.51 | 655430963 | 0 |
| 39.17.21.52 | 655430964 | 0 |
| 39.17.21.53 | 655430965 | 0 |
| 39.17.21.54 | 655430966 | 0 |
| 39.17.21.55 | 655430967 | 0 |
| 39.17.21.56 | 655430968 | 0 |
| 39.17.21.57 | 655430969 | 0 |
| 39.17.21.58 | 655430970 | 0 |
| 39.17.21.59 | 655430971 | 0 |
| 39.17.21.60 | 655430972 | 0 |
| 39.17.21.61 | 655430973 | 0 |
| 39.17.21.62 | 655430974 | 0 |
| 39.17.21.63 | 655430975 | 0 |
| 39.17.21.64 | 655430976 | 0 |
| 39.17.21.65 | 655430977 | 0 |
| 39.17.21.66 | 655430978 | 0 |
| 39.17.21.67 | 655430979 | 0 |
| 39.17.21.68 | 655430980 | 0 |
| 39.17.21.69 | 655430981 | 0 |
| 39.17.21.70 | 655430982 | 0 |
| 39.17.21.71 | 655430983 | 0 |
| 39.17.21.72 | 655430984 | 0 |
| 39.17.21.73 | 655430985 | 0 |
| 39.17.21.74 | 655430986 | 0 |
| 39.17.21.75 | 655430987 | 0 |
| 39.17.21.76 | 655430988 | 0 |
| 39.17.21.77 | 655430989 | 0 |
| 39.17.21.78 | 655430990 | 0 |
| 39.17.21.79 | 655430991 | 0 |
| 39.17.21.80 | 655430992 | 0 |
| 39.17.21.81 | 655430993 | 0 |
| 39.17.21.82 | 655430994 | 0 |
| 39.17.21.83 | 655430995 | 0 |
| 39.17.21.84 | 655430996 | 0 |
| 39.17.21.85 | 655430997 | 0 |