151.3.17.192/26

Public

Class B — /26 prefix — 62 usable hosts

Network Address
151.3.17.192
Broadcast Address
151.3.17.255
Subnet Mask
255.255.255.192
Usable Hosts
62
First Usable IP
151.3.17.193
Last Usable IP
151.3.17.254
Total IPs
64
Prefix Length
/26

Network address — the base address of the block (151.3.17.192). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 151.3.17.255 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 151.3.17.192/26
Network Address 151.3.17.192
Broadcast Address 151.3.17.255
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 151.3.17.193
Last Usable IP 151.3.17.254
Network (Hex) 0x970311C0
Broadcast (Hex) 0x970311FF
Address Type Public / Globally Routable

Binary Representation

Network Address
10010111.00000011.00010001 10010111.00000011.00010001.11000000
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 151.3.17.192/26 into 2 equal /27 subnets (30 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 151.3.17.192/27 151.3.17.192 151.3.17.193 151.3.17.222 151.3.17.223 30
2 151.3.17.224/27 151.3.17.224 151.3.17.225 151.3.17.254 151.3.17.255 30

IP Address Sample

Showing first 16 of 64 total IPs.

151.3.17.192 net
151.3.17.193
151.3.17.194
151.3.17.195
151.3.17.196
151.3.17.197
151.3.17.198
151.3.17.199
151.3.17.200
151.3.17.201
151.3.17.202
151.3.17.203
151.3.17.204
151.3.17.205
151.3.17.206
151.3.17.207
… 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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