30.180.148.0/27

Public

Class A — /27 prefix — 30 usable hosts

Network Address
30.180.148.0
Broadcast Address
30.180.148.31
Subnet Mask
255.255.255.224
Usable Hosts
30
First Usable IP
30.180.148.1
Last Usable IP
30.180.148.30
Total IPs
32
Prefix Length
/27

Network address — the base address of the block (30.180.148.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 30.180.148.31 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 30.180.148.0/27
Network Address 30.180.148.0
Broadcast Address 30.180.148.31
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 30.180.148.1
Last Usable IP 30.180.148.30
Network (Hex) 0x1EB49400
Broadcast (Hex) 0x1EB4941F
Address Type Public / Globally Routable

Binary Representation

Network Address
00011110.10110100.10010100 00011110.10110100.10010100.00000000
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 30.180.148.0/27 into 2 equal /28 subnets (14 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 30.180.148.0/28 30.180.148.0 30.180.148.1 30.180.148.14 30.180.148.15 14
2 30.180.148.16/28 30.180.148.16 30.180.148.17 30.180.148.30 30.180.148.31 14

IP Address Sample

Showing first 16 of 32 total IPs.

30.180.148.0 net
30.180.148.1
30.180.148.2
30.180.148.3
30.180.148.4
30.180.148.5
30.180.148.6
30.180.148.7
30.180.148.8
30.180.148.9
30.180.148.10
30.180.148.11
30.180.148.12
30.180.148.13
30.180.148.14
30.180.148.15
… 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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