IPv4 subnet
192.168.1.0/30
- IPv4
- Private
- /30
- 2 hosts
192.168.1.0/30 is an IPv4 subnet of 4 addresses, of which 2 are usable hosts. Its network address is 192.168.1.0, its broadcast address is 192.168.1.3, and its subnet mask is 255.255.255.252. The block is private: RFC 1918 private use.
Address
11000000101010000000000100000000
Dotted decimal192.168.1.0
32-bit integer3,232,235,776
Hexadecimal0xC0A80100
Binary11000000.10101000.00000001.00000000
Octal0300.0250.01.00
Octets1: 192 · 2: 168 · 3: 1 · 4: 0
Reverse DNS name0.1.168.192.in-addr.arpa
IPv4-mapped IPv6::ffff:192.168.1.0
IPv6 compact form::ffff:c0a8:100
Subnet 192.168.1.0/30
Network address192.168.1.0
Broadcast address192.168.1.3
Subnet mask255.255.255.252
Wildcard mask0.0.0.3the inverse mask, as used in ACLs
Prefix length/30
Total addresses4
Usable hosts2the network and broadcast addresses are not assignable
First usable host192.168.1.1
Last usable host192.168.1.2
Host range192.168.1.1 – 192.168.1.2
Mask in binary11111111.11111111.11111111.11111100
Contains this addressYes
Scope & registry
TypePrivateRFC 1918 private use
Routable on the public internetNo
Legacy classC (/24)classful addressing was replaced by CIDR in 1993; shown for reference only
LoopbackNo
MulticastNo
Safe to use in documentationNo
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