102.159.0.128/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
102.159.0.128
Broadcast Address
102.159.0.191
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
102.159.0.129
Last Usable IP
102.159.0.190
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (102.159.0.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 102.159.0.191 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 102.159.0.128/26
Network Address 102.159.0.128
Broadcast Address 102.159.0.191
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class A
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 102.159.0.129
Last Usable IP 102.159.0.190
Network (Hex) 0x669F0080
Broadcast (Hex) 0x669F00BF
Address Type Public / Globally Routable

Binary Representation

Network Address
01100110.10011111.00000000 01100110.10011111.00000000.10000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Split into Equal Subnets

Split 102.159.0.128/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 102.159.0.128/27 102.159.0.128 102.159.0.129 102.159.0.158 102.159.0.159 30
2 102.159.0.160/27 102.159.0.160 102.159.0.161 102.159.0.190 102.159.0.191 30

IP Address Sample

Showing first 16 of 64 total IPs.

102.159.0.128 net
102.159.0.129
102.159.0.130
102.159.0.131
102.159.0.132
102.159.0.133
102.159.0.134
102.159.0.135
102.159.0.136
102.159.0.137
102.159.0.138
102.159.0.139
102.159.0.140
102.159.0.141
102.159.0.142
102.159.0.143
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

Calculate Another