249.40.82.0/25

Public

Class E (Reserved) — /25 prefix — 126 usable hosts

Network Address
249.40.82.0
Broadcast Address
249.40.82.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
249.40.82.1
Last Usable IP
249.40.82.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (249.40.82.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 249.40.82.127 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 249.40.82.0/25
Network Address 249.40.82.0
Broadcast Address 249.40.82.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class E (Reserved)
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 249.40.82.1
Last Usable IP 249.40.82.126
Network (Hex) 0xF9285200
Broadcast (Hex) 0xF928527F
Address Type Public / Globally Routable

Binary Representation

Network Address
11111001.00101000.01010010 11111001.00101000.01010010.00000000
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 249.40.82.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 249.40.82.0/26 249.40.82.0 249.40.82.1 249.40.82.62 249.40.82.63 62
2 249.40.82.64/26 249.40.82.64 249.40.82.65 249.40.82.126 249.40.82.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

249.40.82.0 net
249.40.82.1
249.40.82.2
249.40.82.3
249.40.82.4
249.40.82.5
249.40.82.6
249.40.82.7
249.40.82.8
249.40.82.9
249.40.82.10
249.40.82.11
249.40.82.12
249.40.82.13
249.40.82.14
249.40.82.15
… 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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