I am seeking urgent assistance with an issue I've encountered while using Masscan. I am relatively new to this tool and would greatly appreciate any help.

Recently, I started learning Masscan and attempted several scans. Unfortunately, my scans consistently failed, scanning only 5-10 ports before freezing, despite the percentage of completion increasing.

Initially, I was using an extended WiFi setup, where the internet connection to my room was via an extension and a router. My primary router (Jio, an Indian WiFi provider) worked well, and all scans were successful. However, since this is a home router shared by everyone, using Masscan interrupts the WiFi for other users.

To avoid this disruption, I purchased a new WiFi connection from Airtel (another Indian WiFi provider). Despite trying both direct connection and LAN, I am still unable to perform scans. The issue mirrors the one I had with the extended WiFi setup. When I switch back to my Jio router, Masscan works perfectly.

I have already tried disabling the firewall and enabling UPnP, but the problem persists. I suspect there may be some specific settings in the Airtel router that are causing this issue.

Could anyone provide guidance on how to resolve this problem? Your assistance would be invaluable as I am unable to perform any scans with the new Airtel connection.

Thank you in advance for your help.