178.153.87.0/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
178.153.87.0
Broadcast Address
178.153.87.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
178.153.87.1
Last Usable IP
178.153.87.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (178.153.87.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.153.87.63 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 178.153.87.0/26
Network Address 178.153.87.0
Broadcast Address 178.153.87.63
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 178.153.87.1
Last Usable IP 178.153.87.62
Network (Hex) 0xB2995700
Broadcast (Hex) 0xB299573F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.10011001.01010111 10110010.10011001.01010111.00000000
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 178.153.87.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.153.87.0/27 178.153.87.0 178.153.87.1 178.153.87.30 178.153.87.31 30
2 178.153.87.32/27 178.153.87.32 178.153.87.33 178.153.87.62 178.153.87.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

178.153.87.0 net
178.153.87.1
178.153.87.2
178.153.87.3
178.153.87.4
178.153.87.5
178.153.87.6
178.153.87.7
178.153.87.8
178.153.87.9
178.153.87.10
178.153.87.11
178.153.87.12
178.153.87.13
178.153.87.14
178.153.87.15
… 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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