159.211.57.0/25

Public

Class B — /25 prefix — 126 usable hosts

Network Address
159.211.57.0
Broadcast Address
159.211.57.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
159.211.57.1
Last Usable IP
159.211.57.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (159.211.57.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 159.211.57.127 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 159.211.57.0/25
Network Address 159.211.57.0
Broadcast Address 159.211.57.127
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 159.211.57.1
Last Usable IP 159.211.57.126
Network (Hex) 0x9FD33900
Broadcast (Hex) 0x9FD3397F
Address Type Public / Globally Routable

Binary Representation

Network Address
10011111.11010011.00111001 10011111.11010011.00111001.00000000
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 159.211.57.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 159.211.57.0/26 159.211.57.0 159.211.57.1 159.211.57.62 159.211.57.63 62
2 159.211.57.64/26 159.211.57.64 159.211.57.65 159.211.57.126 159.211.57.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

159.211.57.0 net
159.211.57.1
159.211.57.2
159.211.57.3
159.211.57.4
159.211.57.5
159.211.57.6
159.211.57.7
159.211.57.8
159.211.57.9
159.211.57.10
159.211.57.11
159.211.57.12
159.211.57.13
159.211.57.14
159.211.57.15
… 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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