When you ask people who use proxies what matters the most, they’ll say speed, price, and pool size, and hardly anyone says “where the IPs come from”.
A request can be perfectly structured and still hit a CAPTCHA within seconds. Most of the time address itself a reason, who registered it, which network announces it, and what kind of machine underlying force.
Where Every IP Address Starts
Every IPv4 address (there are about 4.3 billion of them in total) gets provided by one of five Regional Internet Registries. Effectively, that means ARIN for North America, RIPE NCC for Europe and the Middle East, and APNIC, LACNIC, and AFRINIC for almost everywhere else. They give blocks to ISPs, hosting companies, universities, and so on.
Those organizations then announce their blocks through an independent system number, or ASN. And websites look at that number continually.
So if a request comes from Comcast’s AS7922, it looks like someone is at home on a laptop. If it arrives from Amazon’s AS16509, it looks like a server, and modifying headers or user agents won’t really change that (it’s a bit like putting a nice suit on a delivery van).
That’s why proxy categories line up so orderly with IP origins. Anyone reading up on the different types of proxy server at IPRoyal is basically reading about IP sources, because datacenter, ISP, residential, and mobile proxies mostly vary in who owns the address and how it ended up with the provider.
The Four Main Sources Behind Proxy IPs
Datacenter IPs come from hosting companies like DigitalOcean (AS14061) or OVHcloud. They’re cheap and fast, and you can buy thousands at once. The catch is that they’re also the easiest to flag, since IP lookup services openly tag these ranges as “hosting.”
ISP proxies (sometimes sold as “static residential”) sit in the middle. The hardware lives in a datacenter, but the IP blocks are rented from or announced by consumer ISPs, so the ASN looks dormitory while uptime stays at datacenter level. They work well for anything that needs the same IP for days, like running a handful of ad accounts.
Residential IPs are real home connections. Acceptable providers get them through opt-in apps where people agree to share spare bandwidth for cash or extras. Honestly, how a provider handles assent tells you more about it than any speed test will.
Mobile IPs come from couriers such as Vodafone or T-Mobile. Carriers use carrier-class NAT, so hundreds of phones can share one public IP at the same time; block that IP, and you’ve blocked a few hundred paying customers too, which is why most platforms just don’t.
Why Scarcity Shapes Pricing
ARIN handed out its last free IPv4 block in September 2015. RIPE NCC enterprise-grade same wall in November 2019 (Wikipedia has a solid rundown of IPv4 address exhaustion if you want the full timeline).ccvv
Since then, addresses change hands on a secondary market, normally somewhere around $30 to $50 each. A clean /24 block (256 addresses) with no spam history sells for more than a dirty one, and guess who finishes up paying the difference.
IPv6 should help finally. Google’s IPv6 statistics put raising among its users at close to 50%, but sufficient sites people actually want to reach still handle IPv6 badly, so IPv4 isn’t going anywhere for proxy work yet.
How Websites Read an IP’s Origin
Most sites don’t rely on a single check. They’ll look at the ASN type, run the IP through a geolocation database like MaxMind GeoIP2, and compare it against reputation lists that track past abuse.
Geolocation is untidier than people think. Networks can publish their own location data using the geofeed format from RFC 8805, and database vendors pick those tired, just not right away. A block that moved from Frankfurt to Warsaw last month might still show up in Germany.
So the advice is uninteresting but true: pick the IP source based on the job. For scraping prices from 10,000 product pages, datacenter IPs are usually fine. Checking how ads look to people in Munich is a different story, and you’ll want a residential or ISP address that actually geolocates there.
What Comes Next for IP Sourcing
Buyers are getting particular. More of them want to know who owns the ASN, and whether a provider can actually show how its suburbn IPs were collected.
That kind of clarity will probably become a normal part of choosing a provider, the same way uptime guarantees did years ago. And as geofeeds improve and IPv6 spreads, the gap between well-sourced and incomplete IPs is only going to get more obvious to the sites on the other end.
FAQs
Q1. What are the four main sources behind proxy IPs?
Ans: The four main sources behind proxy IPs are data centers, residential internet connections, mobile networks, and compromised devices.
Q2. How do websites read an IP’s origin?
Ans: To read an IP’s origin, you need to use an IP geolocation lookup tool that cross-references the IP address against a massive database that maps IPs to specific locations.
Q3. What are the main types of IP sources in Proxies?
Ans: The main types of IP sources in proxies are Residential IPs, ISP IPs, and Datacenter IPs.







