Is 199.66.182.243:4145 a proxy? Yes.

199.66.182.243:4145 is a public SOCKS4 proxy in the HProxy free proxy list, exiting from United States. It holds an excellent 99% uptime with a high 4599ms response time, and was last checked 22 min ago.

Live now
99%

uptime

Latency4599ms
ProtocolSOCKS4Elite
Last checked22 min ago

How this one compares

Reliable enough to sit in the top 5% of everything we are watching.

Every free proxy list quotes an uptime figure. Almost none of them tell you what a normal one looks like, so here is ours: across the 3,976 proxies answering right now, the middle of the pack answers 14.9% of the checks we send it.

99%

of our checks answered

median 14.9%

Pool median 14.9%. 199.66.182.243:4145 is in the top 5%.

4599ms

on its last response

median 3,292ms

Pool median 3,292ms.

What normal looks like

Every number above is measured against these two.

A percentage on a proxy list means nothing without the shape of the thing it came from. These are the two distributions the rest of this page compares against, drawn from HProxy's own checks rather than from anybody's marketing page.

What a normal free proxy looks likeTwo distributions from HProxy's own checks rather than from anybody's marketing page. Tails trimmed at the 5th and 95th percentile.

How long one lasts

Days from the first time we saw an address to the last time it answered, across 195,230 endpoints that stopped working.

Proxies that diedmedian 28 days
0204060

Middle halfMedianFull range

Half of the free proxies we have watched stop working were gone within 28 days of us first seeing them.

How quickly one answers

Response time on the last successful check, across the 3,976 proxies answering right now.

Live free proxiesmedian 3,292ms
05,00010k15k
The spread runs from 230ms to 14,692ms across the same list.
Source: HProxy verification engine · hproxy.comProxy.

Where this address sits

Right now our free pool holds 2 other free proxies on Net2atlanta, and 885 in United States. 199.66.182.243:4145 sits inside that set, so if it is not usable the pages below are where its closest alternatives are. At 4599ms it is slower than the 2557ms median for United States proxies.

How to use this proxy

Route a request through 199.66.182.243:4145 over SOCKS4. Free proxies are shared and rotate out fast, so test before you rely on it.

bash

curl -x socks4://199.66.182.243:4145 \

https://api.ipify.org?format=json

Not a terminal person? Pick your device and we walk you through it, nothing assumed.

Continuous monitoring

How HProxy checks 199.66.182.243:4145

199.66.182.243:4145 is in the live pool right now, and it stays there only for as long as it keeps answering.

  1. Port 4145: SOCKS4, common

    Port 4145 is everywhere in free proxy lists, nearly always as SOCKS4. No standards body ever gave it that job. It stuck because everyone copied everyone else, so treat the number as a strong hint rather than a promise.

  2. Every check is a real connection

    HProxy does not read this address off somebody else's list and pass it on. Each check opens a real connection to 199.66.182.243:4145 and gives it up to 90 seconds to answer. Slow is not the same as unreachable, and plenty of working proxies take half a minute to reply. Anything that does not answer in that budget counts as a failure and is recorded as one, which is why the percentage on this page moves rather than sitting at a marketing number. The handshake is attempted across HTTP, HTTPS, SOCKS4 and SOCKS5, which is how we know it spoke SOCKS4 and SOCKS5.

  3. It is being re-tested continuously

    199.66.182.243:4145 is in the live rotation, so it is re-tested continuously rather than on a daily cycle. If it stops answering it is marked down immediately, and if it stays down for 3 days it moves into the public proxy database with its full record intact. Nothing is deleted at any point.

This endpoint

The record

Everything HProxy holds on 199.66.182.243:4145, and nothing it does not.

Next check due
continuously
Spoke
SOCKS4, SOCKS5
Is 199.66.182.243:4145 a proxy? Yes: a live free SOCKS4 proxy in United States answering 99% of HProxy's checks.
199.66.182.243:4145 at a glance. The card renders from its live record, so a saved copy goes stale while this page stays current.

Questions about 199.66.182.243:4145

Is 199.66.182.243:4145 a working proxy right now?

Yes. 199.66.182.243:4145 answered HProxy's automated check 22 min ago and is in the live free proxy pool as we publish this page. It is re-tested every few minutes, so open this page again for its current state rather than trusting a copy of it.

What kind of proxy is 199.66.182.243?

It speaks SOCKS4, SOCKS5, and our checks grade it elite. The port is 4145. Point your client at 199.66.182.243:4145 over socks4 to route a request through it.

Where is 199.66.182.243 located?

Traffic through it exits from Jonesboro, United States, on NET2ATLANTA.COM LLC (AS20081). That is where the destination site will think your request came from.

How fast is 199.66.182.243:4145?

It answered in 4599ms on the last check. Free public proxies are shared, so real-world speed varies with how many other people are using it at the same moment.

Is it safe to use 199.66.182.243:4145?

Treat it the way you would any public proxy: it is operated by someone we have no relationship with, it is shared with strangers, and anything you send unencrypted over it can be read. Fine for a quick geo check or a scrape of public data, never for logins, payments or anything private.

How many free proxies are on Net2atlanta?

2 other free proxies are live on Net2atlanta (AS20081) in our pool right now, alongside 199.66.182.243:4145. Networks that host one open proxy usually host several, which is why the whole AS is worth browsing rather than just this address.

Are there other free proxies in United States?

Yes, 885 free proxies are exiting from United States in our pool right now, answering in 2557ms at the median. If this address is not usable, that list is the place to look for a working one.

Upgrade to the paid network

This one is good, and it will still disappear.

199.66.182.243:4145 has answered 99% of our checks, which puts it well above most of what we track. It is still a public endpoint with nobody standing behind it: nobody agreed to serve you, no capacity is set aside for you, and there is no warning on the day it stops. Fine for a test, a bad foundation for anything that has to work tomorrow.

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About this list & IP removal

Every proxy here is aggregated from publicly available sources. We do not scan or collect these IP addresses ourselves: we verify entries that are already public (live status, latency, uptime) and store nothing else about the devices behind them. The list is provided as-is, with no warranty, for lawful use only, on the basis of our legitimate interest in a free, transparent proxy directory (Art. 6 (1) (f) GDPR). Never route passwords or sensitive data through a public proxy. If an IP address is yours and you'd like it removed, email legal@hproxy.com and we'll take it down (Art. 21 GDPR). Full details on the report abuse page.