102.159.42.96/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
102.159.42.96
Broadcast Address
102.159.42.127
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
102.159.42.97
Last Usable IP
102.159.42.126
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (102.159.42.96). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 102.159.42.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 102.159.42.96/27
Network Address 102.159.42.96
Broadcast Address 102.159.42.127
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 102.159.42.97
Last Usable IP 102.159.42.126
Network (Hex) 0x669F2A60
Broadcast (Hex) 0x669F2A7F
Address Type Public / Globally Routable

Binary Representation

Network Address
01100110.10011111.00101010 01100110.10011111.00101010.01100000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 102.159.42.96/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 102.159.42.96/28 102.159.42.96 102.159.42.97 102.159.42.110 102.159.42.111 14
2 102.159.42.112/28 102.159.42.112 102.159.42.113 102.159.42.126 102.159.42.127 14

IP Address Sample

Showing first 16 of 32 total IPs.

102.159.42.96 net
102.159.42.97
102.159.42.98
102.159.42.99
102.159.42.100
102.159.42.101
102.159.42.102
102.159.42.103
102.159.42.104
102.159.42.105
102.159.42.106
102.159.42.107
102.159.42.108
102.159.42.109
102.159.42.110
102.159.42.111
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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