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IPv6 Subnet Calculator

Local processing · no uploads

Parse IPv6 CIDR blocks and get network details.

Full address2001:0db8:0000:0000:0000:0000:0000:0000

Short address2001:db8:0:85a3::

Binary address0010000000000001:0000110110111000:0000000000000000:1000010110100011:0000000000000000:0000000000000000:0000000000000000:0000000000000000

Integer address42540766411283223938465490629124161536

Hexadecimal address20010db8000085a30000000000000000

Prefix length/32

Network maskffff:ffff:0000:0000:0000:0000:0000:0000

Network mask (binary colon-separated)1111111111111111:1111111111111111:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000

Network mask (integer)340282366841710300949110269838224261120

Total addresses79228162514264337593543950336

First address2001:0db8:0000:0000:0000:0000:0000:0000

Last address2001:0db8:ffff:ffff:ffff:ffff:ffff:ffff

ScopeGlobal unicast

TypeGlobal unicast

Reverse DNS0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.a.5.8.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa

Microsoft UNC20010db8000085a30000000000000000

IPv6 Subnet Calculator

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