Add IP Address Classification with Network & Host

[shirshanag]

This PR introduces a Python script that classifies an IP address into its respective class (A–E) and provides associated network and host information such as Net Mask, Net ID, Host Mask, and Host ID.

Changes Introduced

Implemented IP parsing from user input.

Added binary conversion function usage (dec_bin) for class detection.

Classification of IP into classes A–E.

Implemented calculations for:

Net Mask

Net ID

Host Mask

Host ID

Handles cases where classification is not applicable (NA) (e.g., Class D/E).

Example Usage

Input:

Enter ip address: 123.3.6.5

Output::

Class: A
Net Mask= [255, 0, 0, 0]
Net ID= [123, 0, 0, 0]
Host Mask = [0, 255, 255, 255]
Host ID = [0, 3, 6, 5]

Benefits

Provides a quick way to classify IPs and analyze their network details.

Modular implementation, easy to extend for subnetting or CIDR notation.

User-friendly output.

Next Steps / Improvements

Add input validation (e.g., invalid IP formats, octets > 255).

Implement subnetting & CIDR support.

Add unit tests to ensure accuracy across all IP classes.

Improve code readability (e.g., refactor into functions).

Closes Issue no:
#53

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