51.214.254.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
51.214.254.0
Broadcast Address
51.214.254.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
51.214.254.1
Last Usable IP
51.214.254.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (51.214.254.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 51.214.254.127 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 51.214.254.0/25
Network Address 51.214.254.0
Broadcast Address 51.214.254.127
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 51.214.254.1
Last Usable IP 51.214.254.126
Network (Hex) 0x33D6FE00
Broadcast (Hex) 0x33D6FE7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110011.11010110.11111110 00110011.11010110.11111110.00000000
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 51.214.254.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 51.214.254.0/26 51.214.254.0 51.214.254.1 51.214.254.62 51.214.254.63 62
2 51.214.254.64/26 51.214.254.64 51.214.254.65 51.214.254.126 51.214.254.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

51.214.254.0 net
51.214.254.1
51.214.254.2
51.214.254.3
51.214.254.4
51.214.254.5
51.214.254.6
51.214.254.7
51.214.254.8
51.214.254.9
51.214.254.10
51.214.254.11
51.214.254.12
51.214.254.13
51.214.254.14
51.214.254.15
… 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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