178.12.135.0/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
178.12.135.0
Broadcast Address
178.12.135.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
178.12.135.1
Last Usable IP
178.12.135.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (178.12.135.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 178.12.135.63 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 178.12.135.0/26
Network Address 178.12.135.0
Broadcast Address 178.12.135.63
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 178.12.135.1
Last Usable IP 178.12.135.62
Network (Hex) 0xB20C8700
Broadcast (Hex) 0xB20C873F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110010.00001100.10000111 10110010.00001100.10000111.00000000
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 178.12.135.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 178.12.135.0/27 178.12.135.0 178.12.135.1 178.12.135.30 178.12.135.31 30
2 178.12.135.32/27 178.12.135.32 178.12.135.33 178.12.135.62 178.12.135.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

178.12.135.0 net
178.12.135.1
178.12.135.2
178.12.135.3
178.12.135.4
178.12.135.5
178.12.135.6
178.12.135.7
178.12.135.8
178.12.135.9
178.12.135.10
178.12.135.11
178.12.135.12
178.12.135.13
178.12.135.14
178.12.135.15
… 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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