139.56.25.96/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
139.56.25.96
Broadcast Address
139.56.25.127
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
139.56.25.97
Last Usable IP
139.56.25.126
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (139.56.25.96). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 139.56.25.127 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 139.56.25.96/27
Network Address 139.56.25.96
Broadcast Address 139.56.25.127
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 139.56.25.97
Last Usable IP 139.56.25.126
Network (Hex) 0x8B381960
Broadcast (Hex) 0x8B38197F
Address Type Public / Globally Routable

Binary Representation

Network Address
10001011.00111000.00011001 10001011.00111000.00011001.01100000
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 139.56.25.96/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 139.56.25.96/28 139.56.25.96 139.56.25.97 139.56.25.110 139.56.25.111 14
2 139.56.25.112/28 139.56.25.112 139.56.25.113 139.56.25.126 139.56.25.127 14

IP Address Sample

Showing first 16 of 32 total IPs.

139.56.25.96 net
139.56.25.97
139.56.25.98
139.56.25.99
139.56.25.100
139.56.25.101
139.56.25.102
139.56.25.103
139.56.25.104
139.56.25.105
139.56.25.106
139.56.25.107
139.56.25.108
139.56.25.109
139.56.25.110
139.56.25.111
… 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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