30.136.100.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
30.136.100.0
Broadcast Address
30.136.100.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
30.136.100.1
Last Usable IP
30.136.100.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (30.136.100.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 30.136.100.31 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 30.136.100.0/27
Network Address 30.136.100.0
Broadcast Address 30.136.100.31
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 30.136.100.1
Last Usable IP 30.136.100.30
Network (Hex) 0x1E886400
Broadcast (Hex) 0x1E88641F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011110.10001000.01100100 00011110.10001000.01100100.00000000
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 30.136.100.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 30.136.100.0/28 30.136.100.0 30.136.100.1 30.136.100.14 30.136.100.15 14
2 30.136.100.16/28 30.136.100.16 30.136.100.17 30.136.100.30 30.136.100.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

30.136.100.0 net
30.136.100.1
30.136.100.2
30.136.100.3
30.136.100.4
30.136.100.5
30.136.100.6
30.136.100.7
30.136.100.8
30.136.100.9
30.136.100.10
30.136.100.11
30.136.100.12
30.136.100.13
30.136.100.14
30.136.100.15
… 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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