245.40.7.0/25

Public

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

Network Address
245.40.7.0
Broadcast Address
245.40.7.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
245.40.7.1
Last Usable IP
245.40.7.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (245.40.7.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 245.40.7.127 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 245.40.7.0/25
Network Address 245.40.7.0
Broadcast Address 245.40.7.127
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 245.40.7.1
Last Usable IP 245.40.7.126
Network (Hex) 0xF5280700
Broadcast (Hex) 0xF528077F
Address Type Public / Globally Routable

Binary Representation

Network Address
11110101.00101000.00000111 11110101.00101000.00000111.00000000
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 245.40.7.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 245.40.7.0/26 245.40.7.0 245.40.7.1 245.40.7.62 245.40.7.63 62
2 245.40.7.64/26 245.40.7.64 245.40.7.65 245.40.7.126 245.40.7.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

245.40.7.0 net
245.40.7.1
245.40.7.2
245.40.7.3
245.40.7.4
245.40.7.5
245.40.7.6
245.40.7.7
245.40.7.8
245.40.7.9
245.40.7.10
245.40.7.11
245.40.7.12
245.40.7.13
245.40.7.14
245.40.7.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

Calculate Another