151.182.159.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
151.182.159.0
Broadcast Address
151.182.159.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
151.182.159.1
Last Usable IP
151.182.159.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (151.182.159.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 151.182.159.127 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 151.182.159.0/25
Network Address 151.182.159.0
Broadcast Address 151.182.159.127
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 151.182.159.1
Last Usable IP 151.182.159.126
Network (Hex) 0x97B69F00
Broadcast (Hex) 0x97B69F7F
Address Type Public / Globally Routable

Binary Representation

Network Address
10010111.10110110.10011111 10010111.10110110.10011111.00000000
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 151.182.159.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 151.182.159.0/26 151.182.159.0 151.182.159.1 151.182.159.62 151.182.159.63 62
2 151.182.159.64/26 151.182.159.64 151.182.159.65 151.182.159.126 151.182.159.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

151.182.159.0 net
151.182.159.1
151.182.159.2
151.182.159.3
151.182.159.4
151.182.159.5
151.182.159.6
151.182.159.7
151.182.159.8
151.182.159.9
151.182.159.10
151.182.159.11
151.182.159.12
151.182.159.13
151.182.159.14
151.182.159.15
… 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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