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What Is Private IP Address Range Of All Classes ?

user-image
تم إضافة السؤال من قبل Noman Abdul Hadi Memon , IT Specialist , Wael Fouad Jamjoom Co. For Umrah
تاريخ النشر: 2014/07/09

Class A:10.10.10.0 to10.10.10.255

Class B:172.16.0.0 to172.31.255.255

Class C:192.168.0.0 to192.168.255.255

Robin George
من قبل Robin George , Senior Infrastructure Support Engineer , Cordiant Technologies

A        1 –126           

B         128 –191

C        192 –223     

D        224 –239       -Reserved for Multicasting

E         240 –254      -Experimental; used for research

  

Note: Class A addresses127.0.0.0 to127.255.255.255 cannot be used and is reserved for loopback and diagnostic functions.

 

Private IP Addresses

 

Class    Private Networks                     Subnet Mask            Address Range

A           10.0.0.0                                      255.0.0.0                10.0.0.0 -10.255.255.255

B           172.16.0.0 -172.31.0.0            255.240.0.0           172.16.0.0 -172.31.255.255

C           192.168.0.0                        255.255.0.0           192.168.0.0 -192.168.255.255

Roderick Cabase
من قبل Roderick Cabase , IT Technician , Saudi Aramco (Contract Isam Kabbani & Partners Co.)

Three range of private IP addresses has been selected for the three network class.

For Class A network,10.0.0.0 -10.255.255.255 (10/8 prefix) range (For big network that requires a huge pool of16 million private IP addresses)

For Class B network,172.16.0.0 -172.31.255.255 (172.16/12 prefix) range (For medium-sized network that requires65000 private IP addresses)

For Class C network,192.168.0.0 -192.168.255.255 (192.168/16 prefix) range (Commonly used IP range on smaller network for easier addressing of254 IP addresses. May not necessarily be smaller network but network managed in smaller blocks.)

Anas Jalal Yahya
من قبل Anas Jalal Yahya , Freelance Consultant, Project Manager and Trainer , Freelance

Hi,

 

The IPv4 has the following ranges reserved as private IPs (not routed to internet):

 

Calss A 10.X.X.X /8

Class B 172.16.X.X /12 to172.31.X.X /12

ClassC192.168.0.X /16 to192.168.255.X /16

 

Note that in IP6 the private IP called Unique IP, and there are ranges reserver for unique IPv6, the public IP in IP6 is called Global.

 

 

HTH

Best Regards,

umair Arshed
من قبل umair Arshed , Network Engineer , Dulsco, Dubai. UAE Client: Rouse & Co International (UK Law Firm)

These private IP address ranges exist:

10.0.0.0 through10.255.255.255169.254.0.0 through169.254.255.255 (APIPA only)172.16.0.0 through172.31.255.255192.168.0.0 through192.168.255.255

amir nasr
من قبل amir nasr , Technical Office Assistant , Orascom Hotels & Development Co

this is private IP ranges

Class A:10.0.0.0 to10.255.255.255

Class B:172.16.0.0 to172.31.255.255

Class C:192.168.0.0 to192.168.255.255 but not for internet. it's for internal networks

Abdelgader Kamal
من قبل Abdelgader Kamal , IT Customers Support , Emaratech F.Z.C

The net private ranges are :

Class A0.0.0.0 and10.0.0.0 and127.0.0.0

Class B172.16.0.0. To172.31.0.0

Class C192.168.0.0 to192.168.255.0

Regards

WASEEM AWAN
من قبل WASEEM AWAN , Senior IT Support Engineer , Al Fahad Communication & Networking Systems LLC

A        1 to126  127 is missing on it because it is using for loop back ip           

B         128 to191

C        192 to223     

D        224 to239       D class ip's range using for Multicast

E         240 to254      E class for Experimental purpose 

sathyanarayanan L K Lakshmi
من قبل sathyanarayanan L K Lakshmi , T.R.S Forms and Services & PVT Ltd

  • 0.0.0.0/8 The10.0.0.0/8 private network is a class A network ID that allows the following range of valid IP addresses:10.0.0.1 to10.255.255.254. The10.0.0.0/8 private network has24 host bits that can be used for any subnetting scheme within the private organization.

  • 172.16.0.0/12 The172.16.0.0/12 private network can be interpreted either as a block of16 class B network IDs or as a20-bit assignable address space (20 host bits) that can be used for any subnetting scheme within the private organization. The172.16.0.0/12 private network allows the following range of valid IP addresses:172.16.0.1 to172.31.255.254.

  • 192.168.0.0/16 The192.168.0.0/16 private network can be interpreted either as a block of256 class C network IDs or as a16-bit assignable address space (16 host bits) that can be used for any subnetting scheme within the private organization. The192.168.0.0/16 private network allows the following range of valid IP addresses:192.168.0.1 to192.168.255.254.

Mian Muhammad Naeem Jan
من قبل Mian Muhammad Naeem Jan , Chief Finance Officer , Management Company

Robin is right

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