89.53.89.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
89.53.89.0
Broadcast Address
89.53.89.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
89.53.89.1
Last Usable IP
89.53.89.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (89.53.89.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 89.53.89.127 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 89.53.89.0/25
Network Address 89.53.89.0
Broadcast Address 89.53.89.127
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 89.53.89.1
Last Usable IP 89.53.89.126
Network (Hex) 0x59355900
Broadcast (Hex) 0x5935597F
Address Type Public / Globally Routable

Binary Representation

Network Address
01011001.00110101.01011001 01011001.00110101.01011001.00000000
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 89.53.89.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 89.53.89.0/26 89.53.89.0 89.53.89.1 89.53.89.62 89.53.89.63 62
2 89.53.89.64/26 89.53.89.64 89.53.89.65 89.53.89.126 89.53.89.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

89.53.89.0 net
89.53.89.1
89.53.89.2
89.53.89.3
89.53.89.4
89.53.89.5
89.53.89.6
89.53.89.7
89.53.89.8
89.53.89.9
89.53.89.10
89.53.89.11
89.53.89.12
89.53.89.13
89.53.89.14
89.53.89.15
… 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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