75.2.128.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
75.2.128.0
Broadcast Address
75.2.128.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
75.2.128.1
Last Usable IP
75.2.128.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (75.2.128.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 75.2.128.31 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 30 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.224 is the dotted-decimal equivalent of /27. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 75.2.128.0/27
Network Address 75.2.128.0
Broadcast Address 75.2.128.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class A
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 75.2.128.1
Last Usable IP 75.2.128.30
Network (Hex) 0x4B028000
Broadcast (Hex) 0x4B02801F
Address Type Public / Globally Routable

Binary Representation

Network Address
01001011.00000010.10000000 01001011.00000010.10000000.00000000
Subnet Mask
11111111.11111111.11111111.11100000

The first 27 bits (1s in the mask) identify the network. The remaining 5 bits identify hosts within the network.

Split into Equal Subnets

Split 75.2.128.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 75.2.128.0/28 75.2.128.0 75.2.128.1 75.2.128.14 75.2.128.15 14
2 75.2.128.16/28 75.2.128.16 75.2.128.17 75.2.128.30 75.2.128.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

75.2.128.0 net
75.2.128.1
75.2.128.2
75.2.128.3
75.2.128.4
75.2.128.5
75.2.128.6
75.2.128.7
75.2.128.8
75.2.128.9
75.2.128.10
75.2.128.11
75.2.128.12
75.2.128.13
75.2.128.14
75.2.128.15
… 16 more IPs …

/27 Subnet Reference

Total IPs 32
Usable Hosts 30
Subnet Mask 255.255.255.224
Wildcard 0.0.0.31

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