58.135.33.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address
58.135.33.0
Broadcast Address
58.135.33.127
Subnet Mask
255.255.255.128
Usable Hosts
126
First Usable IP
58.135.33.1
Last Usable IP
58.135.33.126
Total IPs
128
Prefix Length
/25

Network address — the base address of the block (58.135.33.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 58.135.33.127 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 58.135.33.0/25
Network Address 58.135.33.0
Broadcast Address 58.135.33.127
Subnet Mask 255.255.255.128
Wildcard Mask 0.0.0.127
Prefix Length /25
IP Address Class Class A
Total IP Addresses 128
Usable Host Addresses 126
First Usable IP 58.135.33.1
Last Usable IP 58.135.33.126
Network (Hex) 0x3A872100
Broadcast (Hex) 0x3A87217F
Address Type Public / Globally Routable

Binary Representation

Network Address
00111010.10000111.00100001 00111010.10000111.00100001.00000000
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 58.135.33.0/25 into 2 equal /26 subnets (62 usable hosts each).

# CIDR Network First Usable Last Usable Broadcast Hosts
1 58.135.33.0/26 58.135.33.0 58.135.33.1 58.135.33.62 58.135.33.63 62
2 58.135.33.64/26 58.135.33.64 58.135.33.65 58.135.33.126 58.135.33.127 62

IP Address Sample

Showing first 16 of 128 total IPs.

58.135.33.0 net
58.135.33.1
58.135.33.2
58.135.33.3
58.135.33.4
58.135.33.5
58.135.33.6
58.135.33.7
58.135.33.8
58.135.33.9
58.135.33.10
58.135.33.11
58.135.33.12
58.135.33.13
58.135.33.14
58.135.33.15
… 112 more IPs …

/25 Subnet Reference

Total IPs 128
Usable Hosts 126
Subnet Mask 255.255.255.128
Wildcard 0.0.0.127

Calculate Another