1.74.39.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
1.74.39.0
Broadcast Address
1.74.39.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
1.74.39.1
Last Usable IP
1.74.39.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (1.74.39.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 1.74.39.31 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 1.74.39.0/27
Network Address 1.74.39.0
Broadcast Address 1.74.39.31
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 1.74.39.1
Last Usable IP 1.74.39.30
Network (Hex) 0x014A2700
Broadcast (Hex) 0x014A271F
Address Type Public / Globally Routable

Binary Representation

Network Address
00000001.01001010.00100111 00000001.01001010.00100111.00000000
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 1.74.39.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 1.74.39.0/28 1.74.39.0 1.74.39.1 1.74.39.14 1.74.39.15 14
2 1.74.39.16/28 1.74.39.16 1.74.39.17 1.74.39.30 1.74.39.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

1.74.39.0 net
1.74.39.1
1.74.39.2
1.74.39.3
1.74.39.4
1.74.39.5
1.74.39.6
1.74.39.7
1.74.39.8
1.74.39.9
1.74.39.10
1.74.39.11
1.74.39.12
1.74.39.13
1.74.39.14
1.74.39.15
… 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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