157.166.76.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
157.166.76.0
Broadcast Address
157.166.76.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
157.166.76.1
Last Usable IP
157.166.76.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (157.166.76.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 157.166.76.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 157.166.76.0/25
Network Address 157.166.76.0
Broadcast Address 157.166.76.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class B
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 157.166.76.1
Last Usable IP 157.166.76.126
Network (Hex) 0x9DA64C00
Broadcast (Hex) 0x9DA64C7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011101.10100110.01001100 10011101.10100110.01001100.00000000
Subnet Mask
11111111.11111111.11111111.10000000

The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.

Split into Equal Subnets

Split 157.166.76.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 157.166.76.0/26 157.166.76.0 157.166.76.1 157.166.76.62 157.166.76.63 62
2 157.166.76.64/26 157.166.76.64 157.166.76.65 157.166.76.126 157.166.76.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

157.166.76.0 net
157.166.76.1
157.166.76.2
157.166.76.3
157.166.76.4
157.166.76.5
157.166.76.6
157.166.76.7
157.166.76.8
157.166.76.9
157.166.76.10
157.166.76.11
157.166.76.12
157.166.76.13
157.166.76.14
157.166.76.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

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