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IPv6 Subnet Calculator

IPv6 CIDR prefix math.

Compute IPv6 network, first/last address, and address count from CIDR.

Network
2001:db8::/32
Network (expanded)
2001:0db8:0000:0000:0000:0000:0000:0000
First
2001:db8::
Last
2001:db8:ffff:ffff:ffff:ffff:ffff:ffff
Host bits
96
Total addresses
79228162514264337593543950336
Address: 2001:db8::
Prefix: /32
Network: 2001:db8::
Network (expanded): 2001:0db8:0000:0000:0000:0000:0000:0000
First address: 2001:db8::
Last address: 2001:db8:ffff:ffff:ffff:ffff:ffff:ffff
Last (expanded): 2001:0db8:ffff:ffff:ffff:ffff:ffff:ffff
Host bits: 96
Total addresses: 79228162514264337593543950336

IPv6 Subnet Calculator 소개

Prefix math for IPv6 network design, entirely in your browser. Addresses are never sent to a server.

사용 방법

  1. Enter IPv6 CIDR (e.g. 2001:db8::/32)
  2. Review network and range
  3. Copy if needed

자주 묻는 질문

Are zone IDs supported?

No. Zone IDs like %eth0 are not supported.

Uploaded?

No.