157.72.65.96/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
157.72.65.96
Broadcast Address
157.72.65.127
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
157.72.65.97
Last Usable IP
157.72.65.126
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (157.72.65.96). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 157.72.65.127 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 157.72.65.96/27
Network Address 157.72.65.96
Broadcast Address 157.72.65.127
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 157.72.65.97
Last Usable IP 157.72.65.126
Network (Hex) 0x9D484160
Broadcast (Hex) 0x9D48417F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011101.01001000.01000001 10011101.01001000.01000001.01100000
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 157.72.65.96/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 157.72.65.96/28 157.72.65.96 157.72.65.97 157.72.65.110 157.72.65.111 14
2 157.72.65.112/28 157.72.65.112 157.72.65.113 157.72.65.126 157.72.65.127 14

IP Address Sample

Showing first 16 of 32 total IPs.

157.72.65.96 net
157.72.65.97
157.72.65.98
157.72.65.99
157.72.65.100
157.72.65.101
157.72.65.102
157.72.65.103
157.72.65.104
157.72.65.105
157.72.65.106
157.72.65.107
157.72.65.108
157.72.65.109
157.72.65.110
157.72.65.111
… 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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