245.217.55.0/25

Public

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

Network Address
245.217.55.0
Broadcast Address
245.217.55.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
245.217.55.1
Last Usable IP
245.217.55.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (245.217.55.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 245.217.55.127 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 245.217.55.0/25
Network Address 245.217.55.0
Broadcast Address 245.217.55.127
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 245.217.55.1
Last Usable IP 245.217.55.126
Network (Hex) 0xF5D93700
Broadcast (Hex) 0xF5D9377F
Address Type Public / Globally Routable

Binary Representation

Network Address
11110101.11011001.00110111 11110101.11011001.00110111.00000000
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 245.217.55.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 245.217.55.0/26 245.217.55.0 245.217.55.1 245.217.55.62 245.217.55.63 62
2 245.217.55.64/26 245.217.55.64 245.217.55.65 245.217.55.126 245.217.55.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

245.217.55.0 net
245.217.55.1
245.217.55.2
245.217.55.3
245.217.55.4
245.217.55.5
245.217.55.6
245.217.55.7
245.217.55.8
245.217.55.9
245.217.55.10
245.217.55.11
245.217.55.12
245.217.55.13
245.217.55.14
245.217.55.15
… 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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