151.79.225.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
151.79.225.0
Broadcast Address
151.79.225.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
151.79.225.1
Last Usable IP
151.79.225.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (151.79.225.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 151.79.225.127 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 151.79.225.0/25
Network Address 151.79.225.0
Broadcast Address 151.79.225.127
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 151.79.225.1
Last Usable IP 151.79.225.126
Network (Hex) 0x974FE100
Broadcast (Hex) 0x974FE17F
Address Type Public / Globally Routable

Binary Representation

Network Address
10010111.01001111.11100001 10010111.01001111.11100001.00000000
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 151.79.225.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 151.79.225.0/26 151.79.225.0 151.79.225.1 151.79.225.62 151.79.225.63 62
2 151.79.225.64/26 151.79.225.64 151.79.225.65 151.79.225.126 151.79.225.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

151.79.225.0 net
151.79.225.1
151.79.225.2
151.79.225.3
151.79.225.4
151.79.225.5
151.79.225.6
151.79.225.7
151.79.225.8
151.79.225.9
151.79.225.10
151.79.225.11
151.79.225.12
151.79.225.13
151.79.225.14
151.79.225.15
… 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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