71.153.103.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
71.153.103.0
Broadcast Address
71.153.103.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
71.153.103.1
Last Usable IP
71.153.103.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (71.153.103.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 71.153.103.31 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 71.153.103.0/27
Network Address 71.153.103.0
Broadcast Address 71.153.103.31
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 71.153.103.1
Last Usable IP 71.153.103.30
Network (Hex) 0x47996700
Broadcast (Hex) 0x4799671F
Address Type Public / Globally Routable

Binary Representation

Network Address
01000111.10011001.01100111 01000111.10011001.01100111.00000000
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 71.153.103.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 71.153.103.0/28 71.153.103.0 71.153.103.1 71.153.103.14 71.153.103.15 14
2 71.153.103.16/28 71.153.103.16 71.153.103.17 71.153.103.30 71.153.103.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

71.153.103.0 net
71.153.103.1
71.153.103.2
71.153.103.3
71.153.103.4
71.153.103.5
71.153.103.6
71.153.103.7
71.153.103.8
71.153.103.9
71.153.103.10
71.153.103.11
71.153.103.12
71.153.103.13
71.153.103.14
71.153.103.15
… 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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