202.78.146.0/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
202.78.146.0
Broadcast Address
202.78.146.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
202.78.146.1
Last Usable IP
202.78.146.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (202.78.146.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 202.78.146.127 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 202.78.146.0/25
Network Address 202.78.146.0
Broadcast Address 202.78.146.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class C
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 202.78.146.1
Last Usable IP 202.78.146.126
Network (Hex) 0xCA4E9200
Broadcast (Hex) 0xCA4E927F
Address Type Public / Globally Routable

Binary Representation

Network Address
11001010.01001110.10010010 11001010.01001110.10010010.00000000
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 202.78.146.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 202.78.146.0/26 202.78.146.0 202.78.146.1 202.78.146.62 202.78.146.63 62
2 202.78.146.64/26 202.78.146.64 202.78.146.65 202.78.146.126 202.78.146.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

202.78.146.0 net
202.78.146.1
202.78.146.2
202.78.146.3
202.78.146.4
202.78.146.5
202.78.146.6
202.78.146.7
202.78.146.8
202.78.146.9
202.78.146.10
202.78.146.11
202.78.146.12
202.78.146.13
202.78.146.14
202.78.146.15
… 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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