156.4.2.128/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
156.4.2.128
Broadcast Address
156.4.2.191
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
156.4.2.129
Last Usable IP
156.4.2.190
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (156.4.2.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 156.4.2.191 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 156.4.2.128/26
Network Address 156.4.2.128
Broadcast Address 156.4.2.191
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class B
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 156.4.2.129
Last Usable IP 156.4.2.190
Network (Hex) 0x9C040280
Broadcast (Hex) 0x9C0402BF
Address Type Public / Globally Routable

Binary Representation

Network Address
10011100.00000100.00000010 10011100.00000100.00000010.10000000
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 156.4.2.128/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 156.4.2.128/27 156.4.2.128 156.4.2.129 156.4.2.158 156.4.2.159 30
2 156.4.2.160/27 156.4.2.160 156.4.2.161 156.4.2.190 156.4.2.191 30

IP Address Sample

Showing first 16 of 64 total IPs.

156.4.2.128 net
156.4.2.129
156.4.2.130
156.4.2.131
156.4.2.132
156.4.2.133
156.4.2.134
156.4.2.135
156.4.2.136
156.4.2.137
156.4.2.138
156.4.2.139
156.4.2.140
156.4.2.141
156.4.2.142
156.4.2.143
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

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