There are 21m people live in Sri Lanka. They use 26 ASNs with around 582k unique IPs.
Get your proxy from litport and you will be able to get many of these residential IPs. It works best for facebook accounts and any other business that require the highest level of privacy and security.
You can choose among multiple cities and mobile carriers. Competitive and flexible pricing.
At this moment we don't have available mobile proxies in Sri Lanka. BUT! We might have it available, but for private usage. Please, contact us and find it out.