144.221.88.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
144.221.88.0
Broadcast Address
144.221.88.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
144.221.88.1
Last Usable IP
144.221.88.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (144.221.88.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 144.221.88.127 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 144.221.88.0/25
Network Address 144.221.88.0
Broadcast Address 144.221.88.127
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 144.221.88.1
Last Usable IP 144.221.88.126
Network (Hex) 0x90DD5800
Broadcast (Hex) 0x90DD587F
Address Type Public / Globally Routable

Binary Representation

Network Address
10010000.11011101.01011000 10010000.11011101.01011000.00000000
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 144.221.88.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 144.221.88.0/26 144.221.88.0 144.221.88.1 144.221.88.62 144.221.88.63 62
2 144.221.88.64/26 144.221.88.64 144.221.88.65 144.221.88.126 144.221.88.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

144.221.88.0 net
144.221.88.1
144.221.88.2
144.221.88.3
144.221.88.4
144.221.88.5
144.221.88.6
144.221.88.7
144.221.88.8
144.221.88.9
144.221.88.10
144.221.88.11
144.221.88.12
144.221.88.13
144.221.88.14
144.221.88.15
… 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