9.237.3.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
9.237.3.0
Broadcast Address
9.237.3.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
9.237.3.1
Last Usable IP
9.237.3.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (9.237.3.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 9.237.3.127 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 9.237.3.0/25
Network Address 9.237.3.0
Broadcast Address 9.237.3.127
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 9.237.3.1
Last Usable IP 9.237.3.126
Network (Hex) 0x09ED0300
Broadcast (Hex) 0x09ED037F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001001.11101101.00000011 00001001.11101101.00000011.00000000
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 9.237.3.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 9.237.3.0/26 9.237.3.0 9.237.3.1 9.237.3.62 9.237.3.63 62
2 9.237.3.64/26 9.237.3.64 9.237.3.65 9.237.3.126 9.237.3.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

9.237.3.0 net
9.237.3.1
9.237.3.2
9.237.3.3
9.237.3.4
9.237.3.5
9.237.3.6
9.237.3.7
9.237.3.8
9.237.3.9
9.237.3.10
9.237.3.11
9.237.3.12
9.237.3.13
9.237.3.14
9.237.3.15
… 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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