You are here

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
Usage Type: ISP
Country Code: JP
Country Name: Japan
IP From IP To Region Name City Name Area Code
1.0.64.0 1.0.127.255 Hiroshima Hiroshima 082
1.21.0.0 1.21.13.255 Tokyo Tokyo 042
1.21.14.0 1.21.14.255 Hiroshima Hiroshima 082
1.21.15.0 1.21.15.255 Tokyo Tachikawa 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 Urayasu 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 Ibaraki Moriya 029
1.21.23.0 1.21.23.255 Aichi Nagoya 052
1.21.24.0 1.21.24.255 Tokyo Tokyo 042
1.21.25.0 1.21.25.255 Chiba Urayasu 047
1.21.26.0 1.21.26.255 Tokyo Tokyo 042
1.21.27.0 1.21.27.255 Aichi Nisshin 052
1.21.28.0 1.21.28.255 Tokyo Tokyo 042
1.21.29.0 1.21.29.255 Osaka Ibaraki 072
1.21.30.0 1.21.30.255 Tokyo Tokyo 042
1.21.31.0 1.21.31.255 Osaka Ibaraki 072
1.21.32.0 1.21.32.255 Ishikawa Kanazawa 076
1.21.33.0 1.21.34.255 Saitama Saitama 048
1.21.35.0 1.21.35.255 Shizuoka Hamamatsu 054
1.21.36.0 1.21.36.255 Tokyo Tachikawa 042
1.21.37.0 1.21.39.255 Tokyo Tokyo 042
1.21.40.0 1.21.40.255 Chiba Funabashi 047
1.21.41.0 1.21.41.255 Tokyo Tokyo 042
1.21.42.0 1.21.42.255 Aichi Tokai 052
1.21.43.0 1.21.55.255 Tokyo Tokyo 042
1.21.56.0 1.21.56.255 Okinawa Tomigusuku 098
1.21.57.0 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 Fukuoka Fukuoka 092
1.21.61.0 1.21.61.255 Chiba Ichikawa 047
1.21.62.0 1.21.67.255 Tokyo Tokyo 042
1.21.68.0 1.21.68.255 Aichi Nisshin 052
1.21.69.0 1.21.75.255 Tokyo Tokyo 042
1.21.76.0 1.21.76.255 Tokyo Shibuya-ku 042
1.21.77.0 1.21.79.255 Tokyo Tokyo 042
1.21.80.0 1.21.80.255 Oita Tsukumi 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 1.21.92.255 Tokyo Shinagawa-ku 042
1.21.93.0 1.21.93.255 Tokyo Tokyo 042
1.21.94.0 1.21.94.255 Nara Kashiba 074
1.21.95.0 1.21.95.255 Kanagawa Sagamihara 044
1.21.96.0 1.21.96.255 Tokyo Tokyo 042
1.21.97.0 1.21.97.255 Chiba Ichikawa 047
1.21.98.0 1.21.98.255 Miyagi Sendai 022
1.21.99.0 1.21.99.255 Tokyo Komae 042
1.21.100.0 1.21.100.255 Fukuoka Shingu 092
1.21.101.0 1.21.101.255 Mie Kuwana 059
1.21.102.0 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 Aichi Kitanagoya 052
1.21.105.0 1.21.105.255 Aichi Nagoya 052
1.21.106.0 1.21.106.255 Saitama Yashio 048
1.21.107.0 1.21.107.255 Saitama Kumagaya 048
1.21.108.0 1.21.108.255 Miyagi Sendai 022
1.21.109.0 1.21.109.255 Saitama Saitama 048
1.21.110.0 1.21.110.255 Tokyo Tachikawa 042
1.21.111.0 1.21.111.255 Mie Yokkaichi 059
1.21.112.0 1.21.112.255 Tokyo Tokyo 042
1.21.113.0 1.21.113.255 Kanagawa Fujisawa 044
1.21.114.0 1.21.114.255 Tokyo Tokyo 042
1.21.115.0 1.21.115.255 Mie Kuwana 059
1.21.116.0 1.21.116.255 Chiba Urayasu 047
1.21.117.0 1.21.127.255 Tokyo Tokyo 042
1.21.128.0 1.21.128.255 Chiba Urayasu 047
1.21.129.0 1.21.129.255 Tokyo Meguro-ku 042
1.21.130.0 1.21.130.255 Ibaraki Moriya 029
1.21.131.0 1.21.131.255 Saitama Saitama 048
1.21.132.0 1.21.132.255 Tokyo Hachioji 042
1.21.133.0 1.21.133.255 Aichi Nagoya 052
1.21.134.0 1.21.134.255 Tokyo Komae 042
1.21.135.0 1.21.135.255 Aichi Kanie 052
1.21.136.0 1.21.136.255 Fukuoka Fukuoka 092
1.21.137.0 1.21.137.255 Kanagawa Yamato 044
1.21.138.0 1.21.138.255 Chiba Urayasu 047
1.21.139.0 1.21.139.255 Kanagawa Fujisawa 044
1.21.140.0 1.21.140.255 Saitama Saitama 048
1.21.141.0 1.21.141.255 Saitama Warabi 048
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 Kasaoka 086
1.5.18.0 1.5.18.255 Tokyo Tokyo 042
1.5.19.0 1.5.19.255 Okayama Kasaoka 086
1.5.20.0 1.5.20.255 Tokyo Tokyo 042
1.5.21.0 1.5.21.255 Okayama Kasaoka 086
1.5.22.0 1.5.22.255 Tokyo Tokyo 042
1.5.23.0 1.5.23.255 Okayama Kasaoka 086
1.5.24.0 1.5.44.255 Tokyo Tokyo 042
1.5.45.0 1.5.47.255 Okayama Kasaoka 086
1.5.48.0 1.5.245.255 Tokyo Tokyo 042
1.5.246.0 1.5.247.255 Okayama Kasaoka 086
1.5.248.0 1.5.250.255 Tokyo Tokyo 042
1.5.251.0 1.5.251.255 Okayama Kasaoka 086
1.5.252.0 1.5.255.255 Tokyo Tokyo 042