2001:380:516:4902::1:1 Whois - 2001:380:516:4902::1:1 Who Is IP Address Lookup 2001:380:516:4902::1:1 - Ntt Communications Corporation, Who Is IP Address Lookup on Ru.myip.ms. IP Owner is Ntt Communications Corporation 1-6 Uchisaiwai-Cho 1-Chome Chiyoda-Ku, Tokyo 100-8019 Japan, JP Japan. Who Is IP Address Lookup - in Japan.