98.166.75.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
98.166.75.0
Broadcast Address
98.166.75.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
98.166.75.1
Last Usable IP
98.166.75.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (98.166.75.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 98.166.75.127 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 98.166.75.0/25
Network Address 98.166.75.0
Broadcast Address 98.166.75.127
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 98.166.75.1
Last Usable IP 98.166.75.126
Network (Hex) 0x62A64B00
Broadcast (Hex) 0x62A64B7F
Address Type Public / Globally Routable

Binary Representation

Network Address
01100010.10100110.01001011 01100010.10100110.01001011.00000000
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 98.166.75.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 98.166.75.0/26 98.166.75.0 98.166.75.1 98.166.75.62 98.166.75.63 62
2 98.166.75.64/26 98.166.75.64 98.166.75.65 98.166.75.126 98.166.75.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

98.166.75.0 net
98.166.75.1
98.166.75.2
98.166.75.3
98.166.75.4
98.166.75.5
98.166.75.6
98.166.75.7
98.166.75.8
98.166.75.9
98.166.75.10
98.166.75.11
98.166.75.12
98.166.75.13
98.166.75.14
98.166.75.15
… 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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