15.197.202.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
15.197.202.0
Broadcast Address
15.197.202.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
15.197.202.1
Last Usable IP
15.197.202.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (15.197.202.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 15.197.202.127 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 15.197.202.0/25
Network Address 15.197.202.0
Broadcast Address 15.197.202.127
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 15.197.202.1
Last Usable IP 15.197.202.126
Network (Hex) 0x0FC5CA00
Broadcast (Hex) 0x0FC5CA7F
Address Type Public / Globally Routable

Binary Representation

Network Address
00001111.11000101.11001010 00001111.11000101.11001010.00000000
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 15.197.202.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 15.197.202.0/26 15.197.202.0 15.197.202.1 15.197.202.62 15.197.202.63 62
2 15.197.202.64/26 15.197.202.64 15.197.202.65 15.197.202.126 15.197.202.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

15.197.202.0 net
15.197.202.1
15.197.202.2
15.197.202.3
15.197.202.4
15.197.202.5
15.197.202.6
15.197.202.7
15.197.202.8
15.197.202.9
15.197.202.10
15.197.202.11
15.197.202.12
15.197.202.13
15.197.202.14
15.197.202.15
… 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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