IPv6-Net calculator provided by Olaf Jaehrling

Only for IPv6. For IPv4 use ipcalc
Address and subnet mask/CIDR/VLSM:
 

-[ipv6 : 2001:638:607:205::30] - 0

[IPV6 INFO]
Expanded Address - 2001:0638:0607:0205:0000:0000:0000:0030
Compressed address - 2001:638:607:205::30
Subnet prefix (masked) - 2001:638:607:205:0:0:0:30/128
Address ID (masked) - 0:0:0:0:0:0:0:0/128
Prefix address - ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
Prefix length - 128
Address type - Aggregatable Global Unicast Addresses
Network range - 2001:0638:0607:0205:0000:0000:0000:0030 -
2001:0638:0607:0205:0000:0000:0000:0030

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