Both

Search IPs in code

grep -E -o -r -n "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)" file.txt

-E: Use extended regular expression

-o: Print IP addresses only

-r: scan files in the current directory and all sub-directories

-n: Show line number

Mobile Application Penetration Testing Cheat Sheet

https://github.com/tanprathan/MobileApp-Pentest-Cheatsheet

Mobile Security Testing Guide (MSTG)

• Official Page: https://www.owasp.org/index.php/OWASP_Mobile_Security_Testing_Guide

• Mobile App Security Checklist (Excel): https://github.com/OWASP/owasp-mstg/releases

• Gitbook: https://mobile-security.gitbook.io/mobile-security-testing-guide/