179.17.165.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
179.17.165.0
Broadcast Address
179.17.165.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
179.17.165.1
Last Usable IP
179.17.165.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (179.17.165.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 179.17.165.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 179.17.165.0/25
Network Address 179.17.165.0
Broadcast Address 179.17.165.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class B
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 179.17.165.1
Last Usable IP 179.17.165.126
Network (Hex) 0xB311A500
Broadcast (Hex) 0xB311A57F
Address Type Public / Globally Routable

Binary Representation

Network Address
10110011.00010001.10100101 10110011.00010001.10100101.00000000
Subnet Mask
11111111.11111111.11111111.10000000

The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.

Split into Equal Subnets

Split 179.17.165.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 179.17.165.0/26 179.17.165.0 179.17.165.1 179.17.165.62 179.17.165.63 62
2 179.17.165.64/26 179.17.165.64 179.17.165.65 179.17.165.126 179.17.165.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

179.17.165.0 net
179.17.165.1
179.17.165.2
179.17.165.3
179.17.165.4
179.17.165.5
179.17.165.6
179.17.165.7
179.17.165.8
179.17.165.9
179.17.165.10
179.17.165.11
179.17.165.12
179.17.165.13
179.17.165.14
179.17.165.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

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