173.209.191.0/27

Public

Class B — /27 prefix — 30 usable hosts

Network Address
173.209.191.0
Broadcast Address
173.209.191.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
173.209.191.1
Last Usable IP
173.209.191.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (173.209.191.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 173.209.191.31 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 173.209.191.0/27
Network Address 173.209.191.0
Broadcast Address 173.209.191.31
Subnet Mask 255.255.255.224
Wildcard Mask 0.0.0.31
Prefix Length /27
IP Address Class Class B
Total IP Addresses 32
Usable Host Addresses 30
First Usable IP 173.209.191.1
Last Usable IP 173.209.191.30
Network (Hex) 0xADD1BF00
Broadcast (Hex) 0xADD1BF1F
Address Type Public / Globally Routable

Binary Representation

Network Address
10101101.11010001.10111111 10101101.11010001.10111111.00000000
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 173.209.191.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 173.209.191.0/28 173.209.191.0 173.209.191.1 173.209.191.14 173.209.191.15 14
2 173.209.191.16/28 173.209.191.16 173.209.191.17 173.209.191.30 173.209.191.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

173.209.191.0 net
173.209.191.1
173.209.191.2
173.209.191.3
173.209.191.4
173.209.191.5
173.209.191.6
173.209.191.7
173.209.191.8
173.209.191.9
173.209.191.10
173.209.191.11
173.209.191.12
173.209.191.13
173.209.191.14
173.209.191.15
… 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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