53.4.101.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
53.4.101.0
Broadcast Address
53.4.101.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
53.4.101.1
Last Usable IP
53.4.101.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (53.4.101.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 53.4.101.127 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 53.4.101.0/25
Network Address 53.4.101.0
Broadcast Address 53.4.101.127
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 53.4.101.1
Last Usable IP 53.4.101.126
Network (Hex) 0x35046500
Broadcast (Hex) 0x3504657F
Address Type Public / Globally Routable

Binary Representation

Network Address
00110101.00000100.01100101 00110101.00000100.01100101.00000000
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 53.4.101.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 53.4.101.0/26 53.4.101.0 53.4.101.1 53.4.101.62 53.4.101.63 62
2 53.4.101.64/26 53.4.101.64 53.4.101.65 53.4.101.126 53.4.101.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

53.4.101.0 net
53.4.101.1
53.4.101.2
53.4.101.3
53.4.101.4
53.4.101.5
53.4.101.6
53.4.101.7
53.4.101.8
53.4.101.9
53.4.101.10
53.4.101.11
53.4.101.12
53.4.101.13
53.4.101.14
53.4.101.15
… 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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