157.166.151.32/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
157.166.151.32
Broadcast Address
157.166.151.63
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
157.166.151.33
Last Usable IP
157.166.151.62
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (157.166.151.32). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 157.166.151.63 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 157.166.151.32/27
Network Address 157.166.151.32
Broadcast Address 157.166.151.63
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 157.166.151.33
Last Usable IP 157.166.151.62
Network (Hex) 0x9DA69720
Broadcast (Hex) 0x9DA6973F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011101.10100110.10010111 10011101.10100110.10010111.00100000
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 157.166.151.32/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 157.166.151.32/28 157.166.151.32 157.166.151.33 157.166.151.46 157.166.151.47 14
2 157.166.151.48/28 157.166.151.48 157.166.151.49 157.166.151.62 157.166.151.63 14

IP Address Sample

Showing first 16 of 32 total IPs.

157.166.151.32 net
157.166.151.33
157.166.151.34
157.166.151.35
157.166.151.36
157.166.151.37
157.166.151.38
157.166.151.39
157.166.151.40
157.166.151.41
157.166.151.42
157.166.151.43
157.166.151.44
157.166.151.45
157.166.151.46
157.166.151.47
… 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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