IPRangeExplorer

124.12.42.64/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
124.12.42.64
Broadcast Address
124.12.42.127
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
124.12.42.65
Last Usable IP
124.12.42.126
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (124.12.42.64). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 124.12.42.127 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 mask — 255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 124.12.42.64/26
Network Address 124.12.42.64
Broadcast Address 124.12.42.127
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 124.12.42.65
Last Usable IP 124.12.42.126
Network (Hex) 0x7C0C2A40
Broadcast (Hex) 0x7C0C2A7F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111100.00001100.00101010 01111100.00001100.00101010.01000000
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 124.12.42.64/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 124.12.42.64/27 124.12.42.64 124.12.42.65 124.12.42.94 124.12.42.95 30
2 124.12.42.96/27 124.12.42.96 124.12.42.97 124.12.42.126 124.12.42.127 30

IP Address Sample

Showing first 16 of 64 total IPs.

124.12.42.64 net
124.12.42.65
124.12.42.66
124.12.42.67
124.12.42.68
124.12.42.69
124.12.42.70
124.12.42.71
124.12.42.72
124.12.42.73
124.12.42.74
124.12.42.75
124.12.42.76
124.12.42.77
124.12.42.78
124.12.42.79
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63
Full /26 reference →

Related Ranges

Parent /25 block 124.12.42.0/25 Sibling /26 block 124.12.42.0/26

Adjacent Prefix Sizes

/24 254 hosts /25 126 hosts /26 62 hosts /27 30 hosts /28 14 hosts

Calculate Another