157.166.63.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
157.166.63.0
Broadcast Address
157.166.63.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
157.166.63.1
Last Usable IP
157.166.63.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (157.166.63.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 157.166.63.31 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 157.166.63.0/27
Network Address 157.166.63.0
Broadcast Address 157.166.63.31
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 157.166.63.1
Last Usable IP 157.166.63.30
Network (Hex) 0x9DA63F00
Broadcast (Hex) 0x9DA63F1F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011101.10100110.00111111 10011101.10100110.00111111.00000000
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 157.166.63.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 157.166.63.0/28 157.166.63.0 157.166.63.1 157.166.63.14 157.166.63.15 14
2 157.166.63.16/28 157.166.63.16 157.166.63.17 157.166.63.30 157.166.63.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

157.166.63.0 net
157.166.63.1
157.166.63.2
157.166.63.3
157.166.63.4
157.166.63.5
157.166.63.6
157.166.63.7
157.166.63.8
157.166.63.9
157.166.63.10
157.166.63.11
157.166.63.12
157.166.63.13
157.166.63.14
157.166.63.15
… 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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