48.252.221.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
48.252.221.0
Broadcast Address
48.252.221.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
48.252.221.1
Last Usable IP
48.252.221.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (48.252.221.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 48.252.221.127 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 48.252.221.0/25
Network Address 48.252.221.0
Broadcast Address 48.252.221.127
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 48.252.221.1
Last Usable IP 48.252.221.126
Network (Hex) 0x30FCDD00
Broadcast (Hex) 0x30FCDD7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110000.11111100.11011101 00110000.11111100.11011101.00000000
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 48.252.221.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 48.252.221.0/26 48.252.221.0 48.252.221.1 48.252.221.62 48.252.221.63 62
2 48.252.221.64/26 48.252.221.64 48.252.221.65 48.252.221.126 48.252.221.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

48.252.221.0 net
48.252.221.1
48.252.221.2
48.252.221.3
48.252.221.4
48.252.221.5
48.252.221.6
48.252.221.7
48.252.221.8
48.252.221.9
48.252.221.10
48.252.221.11
48.252.221.12
48.252.221.13
48.252.221.14
48.252.221.15
… 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