33.9.32.0/25

Public

Class A — /25 prefix — 126 usable hosts

Network Address

33.9.32.0

Broadcast Address

33.9.32.127

Subnet Mask

255.255.255.128

Usable Hosts

126

First Usable IP

33.9.32.1

Last Usable IP

33.9.32.126

Total IPs

128

Prefix Length

/25

Network address — the base address of the block (33.9.32.0). All devices in this subnet share this prefix. Cannot be assigned to a host.

Broadcast address — packets sent to 33.9.32.127 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 mask — 255.255.255.128 is the dotted-decimal equivalent of /25. Older tools and Cisco configs use this format instead of CIDR slash notation.

Full Details

CIDR Notation	33.9.32.0/25
Network Address	33.9.32.0
Broadcast Address	33.9.32.127
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	33.9.32.1
Last Usable IP	33.9.32.126
Network (Hex)	0x21092000
Broadcast (Hex)	0x2109207F
Address Type	Public / Globally Routable

Binary Representation

Network Address

00100001.00001001.00100000 00100001.00001001.00100000.00000000

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 33.9.32.0/25 into 2 equal /26 subnets (62 usable hosts each).

#	CIDR	Network	First Usable	Last Usable	Broadcast	Hosts
1	33.9.32.0/26	33.9.32.0	33.9.32.1	33.9.32.62	33.9.32.63	62
2	33.9.32.64/26	33.9.32.64	33.9.32.65	33.9.32.126	33.9.32.127	62

Split 33.9.32.0/25 into 4 equal /27 subnets (30 usable hosts each).

#	CIDR	Network	First Usable	Last Usable	Broadcast	Hosts
1	33.9.32.0/27	33.9.32.0	33.9.32.1	33.9.32.30	33.9.32.31	30
2	33.9.32.32/27	33.9.32.32	33.9.32.33	33.9.32.62	33.9.32.63	30
3	33.9.32.64/27	33.9.32.64	33.9.32.65	33.9.32.94	33.9.32.95	30
4	33.9.32.96/27	33.9.32.96	33.9.32.97	33.9.32.126	33.9.32.127	30

Split 33.9.32.0/25 into 8 equal /28 subnets (14 usable hosts each).

#	CIDR	Network	First Usable	Last Usable	Broadcast	Hosts
1	33.9.32.0/28	33.9.32.0	33.9.32.1	33.9.32.14	33.9.32.15	14
2	33.9.32.16/28	33.9.32.16	33.9.32.17	33.9.32.30	33.9.32.31	14
3	33.9.32.32/28	33.9.32.32	33.9.32.33	33.9.32.46	33.9.32.47	14
4	33.9.32.48/28	33.9.32.48	33.9.32.49	33.9.32.62	33.9.32.63	14
5	33.9.32.64/28	33.9.32.64	33.9.32.65	33.9.32.78	33.9.32.79	14
6	33.9.32.80/28	33.9.32.80	33.9.32.81	33.9.32.94	33.9.32.95	14
7	33.9.32.96/28	33.9.32.96	33.9.32.97	33.9.32.110	33.9.32.111	14
8	33.9.32.112/28	33.9.32.112	33.9.32.113	33.9.32.126	33.9.32.127	14

Split 33.9.32.0/25 into 16 equal /29 subnets (6 usable hosts each).

#	CIDR	Network	First Usable	Last Usable	Broadcast	Hosts
1	33.9.32.0/29	33.9.32.0	33.9.32.1	33.9.32.6	33.9.32.7	6
2	33.9.32.8/29	33.9.32.8	33.9.32.9	33.9.32.14	33.9.32.15	6
3	33.9.32.16/29	33.9.32.16	33.9.32.17	33.9.32.22	33.9.32.23	6
4	33.9.32.24/29	33.9.32.24	33.9.32.25	33.9.32.30	33.9.32.31	6
5	33.9.32.32/29	33.9.32.32	33.9.32.33	33.9.32.38	33.9.32.39	6
6	33.9.32.40/29	33.9.32.40	33.9.32.41	33.9.32.46	33.9.32.47	6
7	33.9.32.48/29	33.9.32.48	33.9.32.49	33.9.32.54	33.9.32.55	6
8	33.9.32.56/29	33.9.32.56	33.9.32.57	33.9.32.62	33.9.32.63	6
9	33.9.32.64/29	33.9.32.64	33.9.32.65	33.9.32.70	33.9.32.71	6
10	33.9.32.72/29	33.9.32.72	33.9.32.73	33.9.32.78	33.9.32.79	6
11	33.9.32.80/29	33.9.32.80	33.9.32.81	33.9.32.86	33.9.32.87	6
12	33.9.32.88/29	33.9.32.88	33.9.32.89	33.9.32.94	33.9.32.95	6
13	33.9.32.96/29	33.9.32.96	33.9.32.97	33.9.32.102	33.9.32.103	6
14	33.9.32.104/29	33.9.32.104	33.9.32.105	33.9.32.110	33.9.32.111	6
15	33.9.32.112/29	33.9.32.112	33.9.32.113	33.9.32.118	33.9.32.119	6
16	33.9.32.120/29	33.9.32.120	33.9.32.121	33.9.32.126	33.9.32.127	6

IP Address Sample

Showing first 16 of 128 total IPs.

33.9.32.0 net

33.9.32.1

33.9.32.2

33.9.32.3

33.9.32.4

33.9.32.5

33.9.32.6

33.9.32.7

33.9.32.8

33.9.32.9

33.9.32.10

33.9.32.11

33.9.32.12

33.9.32.13

33.9.32.14

33.9.32.15

… 112 more IPs …

/25 Subnet Reference

Total IPs 128

Usable Hosts 126

Subnet Mask 255.255.255.128

Wildcard 0.0.0.127

Full /25 reference →

Related Ranges

Parent /24 block 33.9.32.0/24 Sibling /25 block 33.9.32.128/25

Adjacent Prefix Sizes

/23 510 hosts /24 254 hosts /25 126 hosts /26 62 hosts /27 30 hosts