157.75.164.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
157.75.164.0
Broadcast Address
157.75.164.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
157.75.164.1
Last Usable IP
157.75.164.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (157.75.164.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 157.75.164.127 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 157.75.164.0/25
Network Address 157.75.164.0
Broadcast Address 157.75.164.127
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 157.75.164.1
Last Usable IP 157.75.164.126
Network (Hex) 0x9D4BA400
Broadcast (Hex) 0x9D4BA47F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011101.01001011.10100100 10011101.01001011.10100100.00000000
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 157.75.164.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 157.75.164.0/26 157.75.164.0 157.75.164.1 157.75.164.62 157.75.164.63 62
2 157.75.164.64/26 157.75.164.64 157.75.164.65 157.75.164.126 157.75.164.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

157.75.164.0 net
157.75.164.1
157.75.164.2
157.75.164.3
157.75.164.4
157.75.164.5
157.75.164.6
157.75.164.7
157.75.164.8
157.75.164.9
157.75.164.10
157.75.164.11
157.75.164.12
157.75.164.13
157.75.164.14
157.75.164.15
… 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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