47.159.159.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
47.159.159.0
Broadcast Address
47.159.159.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
47.159.159.1
Last Usable IP
47.159.159.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (47.159.159.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 47.159.159.127 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 mask — 255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 47.159.159.0/25
Network Address 47.159.159.0
Broadcast Address 47.159.159.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class A
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 47.159.159.1
Last Usable IP 47.159.159.126
Network (Hex) 0x2F9F9F00
Broadcast (Hex) 0x2F9F9F7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00101111.10011111.10011111 00101111.10011111.10011111.00000000
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 47.159.159.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 47.159.159.0/26 47.159.159.0 47.159.159.1 47.159.159.62 47.159.159.63 62
2 47.159.159.64/26 47.159.159.64 47.159.159.65 47.159.159.126 47.159.159.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

47.159.159.0 net
47.159.159.1
47.159.159.2
47.159.159.3
47.159.159.4
47.159.159.5
47.159.159.6
47.159.159.7
47.159.159.8
47.159.159.9
47.159.159.10
47.159.159.11
47.159.159.12
47.159.159.13
47.159.159.14
47.159.159.15
… 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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