SX.ORG sells three address types, and the third one is unusual: mobile, residential, and corporate.

What Corporate Addresses Are

Residential addresses belong to households. Datacenter addresses belong to hosting companies. Corporate addresses belong to businesses, registered to companies with real offices and real staff.

They occupy an interesting middle position. They are not household connections, so they do not carry residential trust in the usual sense. But they are not datacenter ranges either, and a site checking the registration sees an ordinary business rather than a hosting provider.

For business to business research, supplier checks and anything where traffic from a company address is the normal thing to see, that registration looks entirely unremarkable. Almost nobody sells this as a distinct category.

Two Hundred and Thirty Five Countries

That is the highest coverage figure I have come across writing this series, and since there are fewer than two hundred sovereign states, it clearly includes territories and regions.

Which is where it becomes genuinely useful. The difference between providers shows up in the long tail: small territories, overseas departments and regions with their own content licensing and pricing.

If your work never leaves the major markets you will never notice. If it does, this is the reason to be here, and the way to check is to pull addresses from your specific locations rather than trusting the total.

Two Billing Models, Same Rate Across Types

Traffic based billing charges per gigabyte, and unusually, at the same rate for all three address types. Mobile, residential and corporate cost the same.

That is rare and it removes the usual financial hesitation about escalating. If mobile costs the same as residential, try mobile first on a hard target rather than working up to it.

The unlimited option removes the meter entirely, priced monthly per type for work described as industrial.

Being able to choose between models per job rather than per vendor is the flexible version of this.

Cleanest Rating as the Pitch

The company competes on address cleanliness rather than pool size, with a pool around 12 million.

That is the right emphasis. Pool size is easy to quote and impossible for you to verify. Cleanliness determines whether requests succeed, and it depletes with use. A provider leading with it is signalling where its effort goes.

Twelve million is modest, and the honest reading is that this is a curated network rather than a vast one.

Who It Fits

SX.ORG suits business to business research needing corporate registered addresses, work reaching into territories most providers skip, anyone who wants to try mobile without a price penalty, and users choosing between metered and unlimited per job.

Who Might Look Elsewhere

Very large scale collection will want a deeper pool than 12 million addresses.

Enterprise buyers wanting formal SLAs and named account management should look at the larger platforms.

Final Verdict

SX.ORG offers a category and a coverage figure that nobody else in this series matches.

Corporate addresses as a genuine third type, 235 countries and territories, flat pricing across all three types, both metered and unlimited billing, and a stated focus on cleanliness over volume.

Take the free trial and test the unusual locations you need, plus the corporate tier if your targets are business facing. Verify with our proxy checker.