~/subnet

IPv4 子网计算器

IP / CIDR

Network Address

192.168.1.0

Broadcast Address

192.168.1.255

First Usable

192.168.1.1

Last Usable

192.168.1.254

Subnet Mask

255.255.255.0

0xFF.FF.FF.00

Usable Hosts

254

CIDR

/24

IP Class / Type

C / Private

BINARY REPRESENTATION

IP11000000.10101000.00000001.00000000

Mask11111111.11111111.11111111.00000000

Net11000000.10101000.00000001.00000000

POSITION IN ADDRESS SPACE (0.0.0.0 → 255.255.255.255)

0.0.0.0192.168.1.0 @ 75.2564%255.255.255.255

COMMON SUBNET REFERENCE

CIDR	Mask	Hosts	Use
/8	255.0.0.0	16,777,214	Class A
/16	255.255.0.0	65,534	Class B
/24	255.255.255.0	254	Class C / common LAN
/25	255.255.255.128	126	Half C
/26	255.255.255.192	62	Quarter C
/27	255.255.255.224	30	Small office
/28	255.255.255.240	14	Small subnet
/29	255.255.255.248	6	P2P link
/30	255.255.255.252	2	P2P link (min)
/31	255.255.255.254	2	P2P (RFC 3021)
/32	255.255.255.255	1	Host route

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