126.253.158.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
126.253.158.0
Broadcast Address
126.253.158.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
126.253.158.1
Last Usable IP
126.253.158.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (126.253.158.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 126.253.158.127 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 126.253.158.0/25
Network Address 126.253.158.0
Broadcast Address 126.253.158.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class A
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 126.253.158.1
Last Usable IP 126.253.158.126
Network (Hex) 0x7EFD9E00
Broadcast (Hex) 0x7EFD9E7F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111110.11111101.10011110 01111110.11111101.10011110.00000000
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 126.253.158.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 126.253.158.0/26 126.253.158.0 126.253.158.1 126.253.158.62 126.253.158.63 62
2 126.253.158.64/26 126.253.158.64 126.253.158.65 126.253.158.126 126.253.158.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

126.253.158.0 net
126.253.158.1
126.253.158.2
126.253.158.3
126.253.158.4
126.253.158.5
126.253.158.6
126.253.158.7
126.253.158.8
126.253.158.9
126.253.158.10
126.253.158.11
126.253.158.12
126.253.158.13
126.253.158.14
126.253.158.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

Calculate Another