51.237.0.0/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
51.237.0.0
Broadcast Address
51.237.0.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
51.237.0.1
Last Usable IP
51.237.0.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (51.237.0.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 51.237.0.63 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 62 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.192 is the dotted-decimal equivalent of /26. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 51.237.0.0/26
Network Address 51.237.0.0
Broadcast Address 51.237.0.63
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class A
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 51.237.0.1
Last Usable IP 51.237.0.62
Network (Hex) 0x33ED0000
Broadcast (Hex) 0x33ED003F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110011.11101101.00000000 00110011.11101101.00000000.00000000
Subnet Mask
11111111.11111111.11111111.11000000

The first 26 bits (1s in the mask) identify the network. The remaining 6 bits identify hosts within the network.

Split into Equal Subnets

Split 51.237.0.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 51.237.0.0/27 51.237.0.0 51.237.0.1 51.237.0.30 51.237.0.31 30
2 51.237.0.32/27 51.237.0.32 51.237.0.33 51.237.0.62 51.237.0.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

51.237.0.0 net
51.237.0.1
51.237.0.2
51.237.0.3
51.237.0.4
51.237.0.5
51.237.0.6
51.237.0.7
51.237.0.8
51.237.0.9
51.237.0.10
51.237.0.11
51.237.0.12
51.237.0.13
51.237.0.14
51.237.0.15
… 48 more IPs …

/26 Subnet Reference

Total IPs 64
Usable Hosts 62
Subnet Mask 255.255.255.192
Wildcard 0.0.0.63

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