222.177.3.0/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
222.177.3.0
Broadcast Address
222.177.3.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
222.177.3.1
Last Usable IP
222.177.3.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (222.177.3.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 222.177.3.127 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 222.177.3.0/25
Network Address 222.177.3.0
Broadcast Address 222.177.3.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class C
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 222.177.3.1
Last Usable IP 222.177.3.126
Network (Hex) 0xDEB10300
Broadcast (Hex) 0xDEB1037F
Address Type Public / Globally Routable

Binary Representation

Network Address
11011110.10110001.00000011 11011110.10110001.00000011.00000000
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 222.177.3.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 222.177.3.0/26 222.177.3.0 222.177.3.1 222.177.3.62 222.177.3.63 62
2 222.177.3.64/26 222.177.3.64 222.177.3.65 222.177.3.126 222.177.3.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

222.177.3.0 net
222.177.3.1
222.177.3.2
222.177.3.3
222.177.3.4
222.177.3.5
222.177.3.6
222.177.3.7
222.177.3.8
222.177.3.9
222.177.3.10
222.177.3.11
222.177.3.12
222.177.3.13
222.177.3.14
222.177.3.15
… 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