242.206.140.128/26

Public

Class E (Reserved) — /26 prefix — 62 usable hosts

Network Address
242.206.140.128
Broadcast Address
242.206.140.191
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
242.206.140.129
Last Usable IP
242.206.140.190
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (242.206.140.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 242.206.140.191 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 242.206.140.128/26
Network Address 242.206.140.128
Broadcast Address 242.206.140.191
Subnet Mask 255.255.255.192
Wildcard Mask 0.0.0.63
Prefix Length /26
IP Address Class Class E (Reserved)
Total IP Addresses 64
Usable Host Addresses 62
First Usable IP 242.206.140.129
Last Usable IP 242.206.140.190
Network (Hex) 0xF2CE8C80
Broadcast (Hex) 0xF2CE8CBF
Address Type Public / Globally Routable

Binary Representation

Network Address
11110010.11001110.10001100 11110010.11001110.10001100.10000000
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 242.206.140.128/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 242.206.140.128/27 242.206.140.128 242.206.140.129 242.206.140.158 242.206.140.159 30
2 242.206.140.160/27 242.206.140.160 242.206.140.161 242.206.140.190 242.206.140.191 30

IP Address Sample

Showing first 16 of 64 total IPs.

242.206.140.128 net
242.206.140.129
242.206.140.130
242.206.140.131
242.206.140.132
242.206.140.133
242.206.140.134
242.206.140.135
242.206.140.136
242.206.140.137
242.206.140.138
242.206.140.139
242.206.140.140
242.206.140.141
242.206.140.142
242.206.140.143
… 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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