You just paid for a residential proxy pool. You set up your scraper. The first 50 requests work. Then you get a 403 error. Then a CAPTCHA. Then a permanent IP ban.
This is not a bad day. This is a bad purchase.
Most proxy buyers skip verification because it feels like extra work. That skipped step costs you time, money, and sometimes your entire project. A quick verification habit—a what is a residential proxy checklist—can save you from buying a pool of datacenter IPs labeled as residential.
Here is a 7-step checklist you can run in under 15 minutes.
Step 1: Confirm the IP Source
A real residential proxy comes from an ISP-assigned IP address. A datacenter proxy comes from a cloud provider like AWS or DigitalOcean. Many sellers label cheap proxy pools as residential, but the IPs still resolve to hosting data centers.
How to check:
– Take a sample IP from the provider.
– Run it through a WHOIS lookup or an ASN lookup tool.
– If the ASN belongs to a hosting company, it is not residential.
What to look for:
– ASN owned by Comcast, AT&T, Verizon, or a local ISP = residential.
– ASN owned by Hetzner, OVH, or Amazon = datacenter.
Step 2: Run a Blacklist Check
Even a real residential IP can be blacklisted if it was used for spam or abuse before you got it.
How to check:
– Use a free blacklist checker like MXToolbox or WhatIsMyIPAddress.
– Enter the IP and look for entries on Spamhaus, Barracuda, or SORBS.
What to avoid:
– An IP on more than two blacklists will likely get blocked by your target site within minutes.
Step 3: Verify Geo-Location Accuracy
A proxy claiming to be in New York should actually be in New York. Some providers route traffic through a central exit node, which breaks geo-targeting.
How to check:
– Visit a geo-detection site like iplocation.net or whatismyipaddress.com.
– Compare the reported city and region to the proxy provider’s claim.
Why this matters:
– If you are scraping local business data or checking localized pricing, wrong geo-location means wrong data.
Step 4: Test Rotation and Sticky Sessions
Some tasks need a new IP for every request. Others need the same IP for a full session. If your provider does not let you control rotation, you are stuck.
How to check:
– Send a request, note the IP. Send another request immediately. Check if the IP changed.
– If you need sticky sessions, check if the provider allows a session duration setting (e.g., 10 minutes or 1 hour).
Common issue:
– Some providers rotate IPs on every request by default, even for login sessions. That triggers bot detection instantly.
Step 5: Send a Real Request to Your Target Site
Testing a proxy against a generic IP checker is not enough. Your target site may have custom bot detection.
How to check:
– Use a residential proxy to visit your target site in a browser.
– Try to log in, perform a search, or load a restricted page.
– If the site blocks you, the proxy is not good enough for that specific target.
Practical example:
A proxy for Reddit needs to pass Reddit’s login and CAPTCHA checks. Testing against a weather site will miss Reddit-specific detection rules.
Step 6: Compare Proxy Pricing and Trial Policies
Proxy pricing varies wildly. Some providers charge per GB of traffic. Others charge per IP. A cheap price per GB often means low-quality IPs that get banned quickly.
How to check:
– Calculate the cost per successful request, not per GB.
– Look for a trial or money-back guarantee of at least 3 days.
– Avoid providers that only offer annual contracts.
What to avoid:
– Providers that do not publish their IP pool size or source.
Step 7: Check Refund Policy and Support Speed
Even with a checklist, some proxies fail in the real world. When they do, you need a fast refund or a replacement.
How to check:
– Send a support ticket before you buy. Note the response time.
– Read the refund policy. Look for “no questions asked” within 7 days.
What to avoid:
– Providers that only offer store credit instead of refunds.
Common Mistakes That Waste Your Money
- Trusting the label: “Residential” is a marketing term, not a technical guarantee.
- Skipping the blacklist check: A clean IP today may be blacklisted tomorrow.
- Using a datacenter proxy for scraping: Most sites block datacenter IPs by default.
- Ignoring session limits: Some proxies break during login flows because they rotate the IP mid-session.
- Buying the cheapest option: Cheap proxy pools often contain recycled IPs from spam campaigns.
Mini Scenario: The Price Scraper Who Saved $200
Maria needed to scrape competitor prices from a retail site. She bought a cheap proxy pool labeled “residential” for $50 per month.
On day one, she ran step 2 of this checklist. The IPs were blacklisted on Spamhaus. She checked step 1: the ASN belonged to a cloud provider.
She requested a refund. The provider said no refunds after 24 hours.
She then used this checklist to evaluate a different provider. The IPs were real residential, clean, and geo-accurate. She paid $80 per month for a pool that worked for six months without a single ban.
She saved $200 in wasted proxy costs and avoided losing a week of data.
For this use case, recommended proxy provider should be compared by pricing, setup difficulty, support quality, refund policy, and whether it fits your workflow.
FAQ
Q: What is the difference between a residential proxy and a datacenter proxy?
A: A residential proxy uses an IP address assigned by an internet service provider to a real home or mobile device. A datacenter proxy uses an IP from a cloud or hosting provider, which is easier to detect and block.
Q: How long does it take to run this checklist?
A: About 15 minutes for one provider. Most steps take 30 seconds to 2 minutes each.
Q: Can I test a proxy for free before buying?
A: Some providers offer a 24-hour or 3-day trial. Use this checklist during the trial to verify quality before committing.
Q: Why does geo-location accuracy matter for scraping?
A: Many websites serve different content, prices, or availability based on the visitor’s location. Wrong geo-location means wrong data.
Q: What should I do if a proxy passes all checks but still fails on my target site?
A: The target site may use custom bot detection. Try using a different rotation mode, reduce request speed, or choose a provider that offers dedicated IPs for that specific site.
