88.105.128.0/19

Public

Class A — /19 prefix — 8,190 usable hosts

Network Address
88.105.128.0
Broadcast Address
88.105.159.255
Subnet Mask
255.255.224.0
Usable Hosts
8,190
First Usable IP
88.105.128.1
Last Usable IP
88.105.159.254
Total IPs
8,192
Prefix Length
/19

Network address — the base address of the block (88.105.128.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 88.105.159.255 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 8,190 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.224.0 is the dotted-decimal equivalent of /19. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 88.105.128.0/19
Network Address 88.105.128.0
Broadcast Address 88.105.159.255
Subnet Mask 255.255.224.0
Wildcard Mask 0.0.31.255
Prefix Length /19
IP Address Class Class A
Total IP Addresses 8,192
Usable Host Addresses 8,190
First Usable IP 88.105.128.1
Last Usable IP 88.105.159.254
Network (Hex) 0x58698000
Broadcast (Hex) 0x58699FFF
Address Type Public / Globally Routable

Binary Representation

Network Address
01011000.01101001 01011000.01101001.10000000.00000000
Subnet Mask
11111111.11111111.11100000.00000000

The first 19 bits (1s in the mask) identify the network. The remaining 13 bits identify hosts within the network.

Split into Equal Subnets

Split 88.105.128.0/19 into 2 equal /20 subnets (4,094 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 88.105.128.0/20 88.105.128.0 88.105.128.1 88.105.143.254 88.105.143.255 4,094
2 88.105.144.0/20 88.105.144.0 88.105.144.1 88.105.159.254 88.105.159.255 4,094

/19 Subnet Reference

Total IPs 8,192
Usable Hosts 8,190
Subnet Mask 255.255.224.0
Wildcard 0.0.31.255

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