126.252.101.128/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
126.252.101.128
Broadcast Address
126.252.101.159
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
126.252.101.129
Last Usable IP
126.252.101.158
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (126.252.101.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 126.252.101.159 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 126.252.101.128/27
Network Address 126.252.101.128
Broadcast Address 126.252.101.159
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 126.252.101.129
Last Usable IP 126.252.101.158
Network (Hex) 0x7EFC6580
Broadcast (Hex) 0x7EFC659F
Address Type Public / Globally Routable

Binary Representation

Network Address
01111110.11111100.01100101 01111110.11111100.01100101.10000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 126.252.101.128/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 126.252.101.128/28 126.252.101.128 126.252.101.129 126.252.101.142 126.252.101.143 14
2 126.252.101.144/28 126.252.101.144 126.252.101.145 126.252.101.158 126.252.101.159 14

IP Address Sample

Showing first 16 of 32 total IPs.

126.252.101.128 net
126.252.101.129
126.252.101.130
126.252.101.131
126.252.101.132
126.252.101.133
126.252.101.134
126.252.101.135
126.252.101.136
126.252.101.137
126.252.101.138
126.252.101.139
126.252.101.140
126.252.101.141
126.252.101.142
126.252.101.143
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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