39.159.5.128/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
39.159.5.128
Broadcast Address
39.159.5.255
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
39.159.5.129
Last Usable IP
39.159.5.254
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (39.159.5.128). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 39.159.5.255 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 39.159.5.128/25
Network Address 39.159.5.128
Broadcast Address 39.159.5.255
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 39.159.5.129
Last Usable IP 39.159.5.254
Network (Hex) 0x279F0580
Broadcast (Hex) 0x279F05FF
Address Type Public / Globally Routable

Binary Representation

Network Address
00100111.10011111.00000101 00100111.10011111.00000101.10000000
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 39.159.5.128/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 39.159.5.128/26 39.159.5.128 39.159.5.129 39.159.5.190 39.159.5.191 62
2 39.159.5.192/26 39.159.5.192 39.159.5.193 39.159.5.254 39.159.5.255 62

IP Address Sample

Showing first 16 of 128 total IPs.

39.159.5.128 net
39.159.5.129
39.159.5.130
39.159.5.131
39.159.5.132
39.159.5.133
39.159.5.134
39.159.5.135
39.159.5.136
39.159.5.137
39.159.5.138
39.159.5.139
39.159.5.140
39.159.5.141
39.159.5.142
39.159.5.143
… 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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