173.2.72.0/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
173.2.72.0
Broadcast Address
173.2.72.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
173.2.72.1
Last Usable IP
173.2.72.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (173.2.72.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 173.2.72.63 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 173.2.72.0/26
Network Address 173.2.72.0
Broadcast Address 173.2.72.63
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class B
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 173.2.72.1
Last Usable IP 173.2.72.62
Network (Hex) 0xAD024800
Broadcast (Hex) 0xAD02483F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101101.00000010.01001000 10101101.00000010.01001000.00000000
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 173.2.72.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 173.2.72.0/27 173.2.72.0 173.2.72.1 173.2.72.30 173.2.72.31 30
2 173.2.72.32/27 173.2.72.32 173.2.72.33 173.2.72.62 173.2.72.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

173.2.72.0 net
173.2.72.1
173.2.72.2
173.2.72.3
173.2.72.4
173.2.72.5
173.2.72.6
173.2.72.7
173.2.72.8
173.2.72.9
173.2.72.10
173.2.72.11
173.2.72.12
173.2.72.13
173.2.72.14
173.2.72.15
… 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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