21.252.34.0/26

Public

Class A — /26 prefix — 62 usable hosts

Network Address
21.252.34.0
Broadcast Address
21.252.34.63
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
21.252.34.1
Last Usable IP
21.252.34.62
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (21.252.34.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 21.252.34.63 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 21.252.34.0/26
Network Address 21.252.34.0
Broadcast Address 21.252.34.63
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 21.252.34.1
Last Usable IP 21.252.34.62
Network (Hex) 0x15FC2200
Broadcast (Hex) 0x15FC223F
Address Type Public / Globally Routable

Binary Representation

Network Address
00010101.11111100.00100010 00010101.11111100.00100010.00000000
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 21.252.34.0/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 21.252.34.0/27 21.252.34.0 21.252.34.1 21.252.34.30 21.252.34.31 30
2 21.252.34.32/27 21.252.34.32 21.252.34.33 21.252.34.62 21.252.34.63 30

IP Address Sample

Showing first 16 of 64 total IPs.

21.252.34.0 net
21.252.34.1
21.252.34.2
21.252.34.3
21.252.34.4
21.252.34.5
21.252.34.6
21.252.34.7
21.252.34.8
21.252.34.9
21.252.34.10
21.252.34.11
21.252.34.12
21.252.34.13
21.252.34.14
21.252.34.15
… 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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