Manipulating ip address and subnet mask with plsql

Hi,
I'm looking for a plsql package in order to perform basic operations with ip adresses and subnet masks like:
- validating an ip address (dot format)
- converting masks (16 -->> 255.255.0.0)
- splitting an ip range with a higher subnet mask (10.3.0.0/16 -->> 10.3.0.0/17, 10.3.128.0/17)
It's very difficult to find any information about this on google so if you know or had written such a package or function....

As using BITAND function
with two arguments IP_ADDRESS (transfer 32bits-integer) and
POWER(2,32)-POWER(2,32-MASKS),
you must be able to get ip range (32-bits-integer)
and a higher subnet mask by IP_RANGE+TRUNC(POWER(2,31-MASKS)).
And then you can transfer it to dot format (decimal,octal etc.) easily.

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Dear Abhinav,
I'm sorry but what you are tryining to do is not suported by the Second Ethrnet Port on any cRIO and so you getting this error meeage.
Here a abstract out ouf the KnowledgeBase How do I Configure the Dual Ethernet Ports on Real-Time Controllers?:
Ethernet port 2 is currently not supported to communicate outside its own subnet. There is no capability of configuring the Default Gateway for Ethernet port 2 and therefore cannot connect to a large isolated intranet. However, there appears to be a common misconception that this port can only be used for communication between NI products: this is not the case, though any communication through the secondary port must be within the same subnet.
Kind Regards,
SG3 | Applications Engineering | National Instruments | NIG |

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Sreedhar T wrote:
Hi, its a really interesting stuff to read. Did anyone try doing it ?
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I have used this for a program that needs to have a host IP address for High sped cameras. I have it change the IP address to the required address and change it back when I am done. Here is a very simple Labview version of this code with out the switch back.
Tim
Johnson Controls
Holland Michigan
Attachments:
TCPIP Config Programically.vi ‏10 KB

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Ip addressing and subnets

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The topic of this forum is IP + Optical however there are a number of professionals online who may be able to assist you. We are always considering additional forums for such topics and I will make a note of your post.
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Ip addressing and subneting

can any one provide a good method on how to subnet, find a range, identify to witch ip belong to witch range, basically anything that can help...
pst: None of those long explanation. Thanks

Hi,
Jon gave most fastest way calculation done in your head to come up with answer of network ID , 1st host, last host-, hosts range , and broadcast address of specific host.
Would like to throw additional info that will definately help you understand the sequence involved in the process. First you have to understand few simple things things that may look hard at first glance in order to make this process seemless as well as done in your head, understanding it makes things easier than memorizing things I guess.
First thing is to understand the binary system involved in IPv4, which Im sure you already know that it is composed of 4 octets, each of 8 bit equaling a total of 32 bits.
so three basic components you need to know by heart and comprehend are these.
When you understand the esence of this you will be a pro in subneting any class network in your head.
The Rule number 1 is = State away from calculators, you may use it only to confirm your answer , but do the process in your head.
Second- = Understand IPv4 Class networks and their default classful mask - This will help you in indentifying what class network you are face with when presented with a host regardless of its mask, in the case of (supperneting).
1-126 Class A Default mask /8
128-191 Class B Default mask /16
192-223 Class C default mask /24
224-239 Class D Multicast reserved
240-255 Class E experimental
Third = Understand and know the binary value of a 32 bit address in IPv4.
You must understand and know the binary value of an octect which is:
128 64 32 16 8 4 2 1
so in your example of 172.27.205.91/21 you know that 172 falls under Class B network and a class B network uses default mask of /16 bit which is 255.255.0.0 but 172,27.205.91 uses a /21 bit mask, so knowing the binary value of an octet seen in 128 64 32 16 8 4 2 1, you count from left to right 5 positions from the 3rd octect of the mask, that is 255.255.0.0 is 16 bits which is default of class B then the 3rd octect binary value count 5 (128 64 32 16 8) 4 2 1, in the parenthesis you have 5 bits which will make a total of 21 bits mask, up to here the 5th position ends in 8, remembering that 8 will be the key number because that will be your increment figure of networks within 172.27.0.0. So far so good right?
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parenthesis you have counted 3 bit position from left to right which will come to a total of 19 bits including the (255.255 -16-bits), that will bring you to 255.255.224.0 , now a key to calculate the mask is easy, simply add 128 + 64 + 32 = 224
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172.27.0.0
172.27.32.0
172.27.64.0
172.27.96.0
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etc..
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Hope this helps, again, Jon provided the most fastest way calculation.
Regards

Ip addressing and subnetting

Hello everyone i am writing a program that will test to see if to ip addresses are on the same network thet only thing is i have no idea what would the best route to take has anyone done anything similar or has anyone any advice i could use

Well I solved my own problem and it was working fine for months until Yosemite came along....
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IP Address: 192.168.2.2
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Start from fresh -
Create a New Network
Internet Settings set to :
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IPv4 Address: 192.168.2.3
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DNS Servers: 192.168.2.1
Then under the Network tab the router mode is set to DHCP and NAT
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Help! - IP addresies and subnet mask

Who can help me to write JAVA programm , which can handle CASE 1 one and CASE 2 simultaneously ?
Any ideas ?
Thank you in advance !
CASE 1
Input: only one IP address with subnet mask
Output :
1. The IP address : binary and decimal
2. the web mask : binary and decimal and the number of the Bits
3. Network address: binary and decimal
4. Broadcast address : binary and decimal
5. The smallest host address: binary and decimal
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CASE 2 :
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3. Network address: binary and decimal ( only fot the first IP )
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All of the above ( IP , Subnet mask etc. ) have to be modeled like integer (=32 Bit) or long ( =64 Bit ) variables and after to calculalte with this variables.
To check , if the " Syntax" is correct a function " checkParameters " will be called .
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Many of us can help you when you have questions about code you wrote.
None of us will write the code for you.
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I hope that's clear. If not I can explain it differently.
Please remember, if you see a post that helped you please click "Vote As Helpful" and if it answered your question please click "Mark As Answer".
SWC Unified Communications

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If you found this reply helpful please click the kudos button and if it solves your problem please click the Accept as Solution button so that other forum users may use the solution to help solve their problem.
If my reply helped you, feel free to click on the Kudos button (hover over the "thumbs up").
If my reply solved your problem please click on the Accepted Solution button so other Forum users may benefit from viewing the post.
I am an HP employee.

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Manipulating ip address and subnet mask with plsql

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