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IPv4 International Direct Dial Code: 81

This is the IPv4 International Direct Dial Code: 81 page list. You can click the title to browse the detail information.

Usage Type: DCH
Country Code: JP
Country Name: Japan
IP From IP To Region Name City Name Area Code
1.0.16.0 1.0.31.255 Tokyo Tokyo 042
1.1.64.0 1.1.127.255 Tokyo Tokyo 042
1.21.5.0 1.21.13.255 Tokyo Tokyo 042
1.21.56.0 1.21.56.255 Tokyo Tokyo 042
Usage Type: ISP
Country Code: JP
Country Name: Japan
IP From IP To Region Name City Name Area Code
1.0.64.0 1.0.79.255 Hiroshima Hiroshima 082
1.0.80.0 1.0.88.255 Okayama Okayama 086
1.0.89.0 1.0.89.255 Tottori Yonago 085
1.0.90.0 1.0.96.255 Okayama Okayama 086
1.0.97.0 1.0.97.255 Tottori Tottori 085
1.0.98.0 1.0.98.255 Okayama Okayama 086
1.0.99.0 1.0.99.255 Tottori Yonago 085
1.0.100.0 1.0.100.255 Shimane Izumo 085
1.0.101.0 1.0.101.255 Okayama Okayama 086
1.0.102.0 1.0.103.255 Yamaguchi Yamaguchi 083
1.0.104.0 1.0.104.255 Yamaguchi Iwakuni 083
1.0.105.0 1.0.106.255 Okayama Okayama 086
1.0.107.0 1.0.108.255 Shimane Matsue 085
1.0.109.0 1.0.109.255 Shimane Izumo 085
1.0.110.0 1.0.110.255 Yamaguchi Yamaguchi 083
1.0.111.0 1.0.111.255 Okayama Okayama 086
1.0.112.0 1.0.112.255 Shimane Masuda 085
1.0.113.0 1.0.113.255 Shimane Izumo 085
1.0.114.0 1.0.114.255 Okayama Okayama 086
1.0.115.0 1.0.115.255 Yamaguchi Yamaguchi 083
1.0.116.0 1.0.116.255 Hiroshima Hiroshima 082
1.0.117.0 1.0.117.255 Yamaguchi Yamaguchi 083
1.0.118.0 1.0.118.255 Okayama Okayama 086
1.0.119.0 1.0.121.255 Yamaguchi Yamaguchi 083
1.0.122.0 1.0.122.255 Shimane Matsue 085
1.0.123.0 1.0.123.255 Yamaguchi Iwakuni 083
1.0.124.0 1.0.124.255 Shimane Izumo 085
1.0.125.0 1.0.125.255 Okayama Okayama 086
1.0.126.0 1.0.126.255 Shimane Yasugi 085
1.0.127.0 1.0.127.255 Hiroshima Hiroshima 082
1.21.0.0 1.21.4.255 Tokyo Tokyo 042
1.21.14.0 1.21.14.255 Fukuoka Fukuoka 092
1.21.15.0 1.21.15.255 Tokyo Tokyo 042
1.21.16.0 1.21.16.255 Fukuoka Fukuoka 092
1.21.17.0 1.21.17.255 Saitama Saitama 048
1.21.18.0 1.21.18.255 Aichi Nagoya 052
1.21.19.0 1.21.19.255 Chiba Chiba 047
1.21.20.0 1.21.20.255 Tokyo Tokyo 042
1.21.21.0 1.21.21.255 Kanagawa Yokohama 044
1.21.22.0 1.21.22.255 Tokyo Tokyo 042
1.21.23.0 1.21.23.255 Aichi Nagoya 052
1.21.24.0 1.21.30.255 Tokyo Tokyo 042
1.21.31.0 1.21.31.255 Osaka Osaka 072
1.21.32.0 1.21.32.255 Ishikawa Kanazawa 076
1.21.33.0 1.21.34.255 Tokyo Tokyo 042
1.21.35.0 1.21.35.255 Shizuoka Hamamatsu 054
1.21.36.0 1.21.36.255 Osaka Osaka 072
1.21.37.0 1.21.38.255 Tokyo Tokyo 042
1.21.39.0 1.21.39.255 Ehime Matsuyama 089
1.21.40.0 1.21.40.255 Chiba Chiba 047
1.21.41.0 1.21.41.255 Tokyo Tokyo 042
1.21.43.0 1.21.43.255 Tokyo Tokyo 042
1.21.58.0 1.21.58.255 Tokyo Tokyo 042
1.21.59.0 1.21.59.255 Chiba Chiba 047
1.21.60.0 1.21.60.255 Tokyo Tokyo 042
1.21.61.0 1.21.62.255 Tokyo Tokyo 042
1.21.63.0 1.21.63.255 Kyoto Kyoto 075
1.21.64.0 1.21.67.255 Tokyo Tokyo 042
1.21.68.0 1.21.68.255 Aichi Nagoya 052
1.21.69.0 1.21.74.255 Tokyo Tokyo 042
1.21.75.0 1.21.75.255 Tokyo Tokyo 042
1.21.76.0 1.21.79.255 Tokyo Tokyo 042
1.21.80.0 1.21.80.255 Oita Oita 097
1.21.81.0 1.21.85.255 Tokyo Tokyo 042
1.21.86.0 1.21.87.255 Oita Oita 097
1.21.88.0 1.21.91.255 Tokyo Tokyo 042
1.21.92.0 1.21.93.255 Tokyo Tokyo 042
1.21.94.0 1.21.94.255 Nara Nara 074
1.21.95.0 1.21.95.255 Kanagawa Yokohama 044
1.21.96.0 1.21.96.255 Tokyo Tokyo 042
1.21.97.0 1.21.97.255 Chiba Chiba 047
1.21.98.0 1.21.98.255 Miyagi Sendai 022
1.21.99.0 1.21.99.255 Tokyo Tokyo 042
1.21.100.0 1.21.100.255 Fukuoka Fukuoka 092
1.21.101.0 1.21.102.255 Tokyo Tokyo 042
1.21.103.0 1.21.103.255 Saitama Saitama 048
1.21.104.0 1.21.104.255 Kagoshima Kagoshima 099
1.21.105.0 1.21.105.255 Aichi Nagoya 052
Usage Type: ISP/MOB
Country Code: JP
Country Name: Japan
IP From IP To Region Name City Name Area Code
1.5.0.0 1.5.16.255 Tokyo Tokyo 042
1.5.17.0 1.5.17.255 Okayama Okayama 086
1.5.18.0 1.5.18.255 Tokyo Tokyo 042
1.5.19.0 1.5.19.255 Okayama Okayama 086
1.5.20.0 1.5.20.255 Tokyo Tokyo 042
1.5.21.0 1.5.21.255 Okayama Okayama 086
1.5.22.0 1.5.22.255 Tokyo Tokyo 042
1.5.23.0 1.5.23.255 Okayama Okayama 086
1.5.24.0 1.5.44.255 Tokyo Tokyo 042
1.5.45.0 1.5.47.255 Okayama Okayama 086
1.5.48.0 1.5.246.255 Tokyo Tokyo 042
1.5.247.0 1.5.247.255 Okayama Okayama 086
1.5.248.0 1.5.250.255 Tokyo Tokyo 042
1.5.251.0 1.5.251.255 Okayama Okayama 086
1.5.252.0 1.5.255.255 Tokyo Tokyo 042
Usage Type: ORG
Country Code: JP
Country Name: Japan
IP From IP To Region Name City Name Area Code
1.21.42.0 1.21.42.255 Tokyo Tokyo 042
Usage Type: COM
Country Code: JP
Country Name: Japan
IP From IP To Region Name City Name Area Code
1.21.44.0 1.21.55.255 Tokyo Tokyo 042
1.21.57.0 1.21.57.255 Tokyo Tokyo 042