213.237.29.0/25

Public

Class C — /25 prefix — 126 usable hosts

Network Address
213.237.29.0
Broadcast Address
213.237.29.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
213.237.29.1
Last Usable IP
213.237.29.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (213.237.29.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 213.237.29.127 are delivered to every device in the subnet. Also reserved — not assignable.

Usable hosts — the 126 addresses between those two that you can assign to servers, VMs, or interfaces.

Subnet mask255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation 213.237.29.0/25
Network Address 213.237.29.0
Broadcast Address 213.237.29.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class C
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 213.237.29.1
Last Usable IP 213.237.29.126
Network (Hex) 0xD5ED1D00
Broadcast (Hex) 0xD5ED1D7F
Address Type Public / Globally Routable

Binary Representation

Network Address
11010101.11101101.00011101 11010101.11101101.00011101.00000000
Subnet Mask
11111111.11111111.11111111.10000000

The first 25 bits (1s in the mask) identify the network. The remaining 7 bits identify hosts within the network.

Split into Equal Subnets

Split 213.237.29.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 213.237.29.0/26 213.237.29.0 213.237.29.1 213.237.29.62 213.237.29.63 62
2 213.237.29.64/26 213.237.29.64 213.237.29.65 213.237.29.126 213.237.29.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

213.237.29.0 net
213.237.29.1
213.237.29.2
213.237.29.3
213.237.29.4
213.237.29.5
213.237.29.6
213.237.29.7
213.237.29.8
213.237.29.9
213.237.29.10
213.237.29.11
213.237.29.12
213.237.29.13
213.237.29.14
213.237.29.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

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