Is 138.255.240.66:41466 a proxy? Yes.
138.255.240.66:41466 is a public HTTP proxy in the HProxy free proxy list, exiting from Brazil. It holds a strong 90% uptime with a high 1143ms response time, and was last checked 14 min ago.
BrazilOther ports on this IP
138.255.240.66 is answering on 1 ports right now.
Ports like this one rarely travel alone. We hold 3 of them on 138.255.240.66 and have run 7,778 checks against them since June 14, 2026. When an address turns up on public lists across this many ports, each port is published as its own entry, so each one gets its own record here.
Best responding ports
Best on this IP is 138.255.240.66:41466 at 88.8% across 4,838 checks
How this one compares
Reliable enough to sit in the top quarter 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 4,525 proxies answering right now, the middle of the pack answers 15.6% of the checks we send it.
90%
of 4,344 checks answered
Pool median 15.6%. 138.255.240.66:41466 is in the top quarter.
1143ms
on its last response
Pool median 3,169ms, so this one is roughly 3x quicker than typical.
67
days tracked, still in the live pool
Of the 194,413 free proxies we have watched stop working, half were gone within 28 days of us first seeing them.
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.
How long one lasts
Days from the first time we saw an address to the last time it answered, across 194,413 endpoints that stopped working.
Middle halfMedianFull range
How quickly one answers
Response time on the last successful check, across the 4,525 proxies answering right now.
Where this address sits
Right now our free pool holds no other free proxies on DAVID DE SALLES BRASIL JUNIOR - ME, and 850 in Brazil. 138.255.240.66:41466 sits inside that set, so if it is not usable the pages below are where its closest alternatives are. At 1143ms it answers faster than the 2968ms median for Brazil proxies (about 39% of it).
How many free proxies are on DAVID DE SALLES BRASIL JUNIOR - ME
Open proxies cluster rather than spreading evenly across the internet. Hosting providers and cloud platforms run enormous numbers of near-identical servers, so a handful of networks end up carrying a disproportionate share of every public proxy list, including ours. HProxy tracks 3 addresses on AS263981, which is 0.00% of every address in the database and a small corner of the database. 1 of them is answering right now, so if this particular address is not usable, the network is a reasonable place to look for one that is.
- Answering now33%
- Answered before33%
- Never answered33%
- 1LimitedNetwork-ASAS213790227,266
- 2Amazon.com, Inc.AS1650930,907
- 3Cloudflare, Inc.AS1333522,188
- 4SECURED SERVERS LLCAS2045419,475
- 5Cloudflare, Inc.AS20924214,142
- 6Alibaba (US) Technology Co., Ltd.AS4510211,730
- 7GloboTech CommunicationsAS3666611,542
- 8ChinanetAS41348,437
- AS263981 sits outside the 250 largest networks we hold.
How to use this proxy
Route a request through 138.255.240.66:41466 over HTTP. Free proxies are shared and rotate out fast, so test before you rely on it.
curl -x http://138.255.240.66:41466 \
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 138.255.240.66:41466
138.255.240.66:41466 is in the live pool right now, and it stays there only for as long as it keeps answering.
Port 41466: Registered port range
This port sits in the middle range, where any ordinary program can listen without special permission. The number itself carries no reserved meaning, which tells you somebody picked it on purpose instead of accepting a default.
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 138.255.240.66:41466 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 HTTP and HTTPS.
4,344 checks, 3,910 answered
That is 90% of the time, measured since June 18, 2026. Every one of those results, successes and failures alike, is a connection HProxy opened itself.
It is being re-tested continuously
138.255.240.66:41466 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 138.255.240.66:41466, and nothing it does not.
- First seen
- June 18, 2026
- Last checked
- August 24, 2026
- Next check due
- continuously
- Checks run
- 4,344
- Times it answered
- 3,910
- Spoke
- HTTP, HTTPS
90%
answered 3,910 of 4,344 checks
Questions about 138.255.240.66:41466
Is 138.255.240.66:41466 a working proxy right now?
Yes. 138.255.240.66:41466 answered HProxy's automated check 14 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 138.255.240.66?
It speaks HTTP, HTTPS, and our checks grade it elite. The port is 41466. Point your client at 138.255.240.66:41466 over http to route a request through it.
Where is 138.255.240.66 located?
Traffic through it exits from Lauro de Freitas, Brazil, on DAVID DE SALLES BRASIL JUNIOR - ME (AS263981). That is where the destination site will think your request came from.
How fast is 138.255.240.66:41466?
It answered in 1143ms 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.
How reliable has 138.255.240.66:41466 been?
Across 63 days of tracking it answered 90% of our checks. The chart on this page shows every day we have recorded for it, including the days it was down.
Is it safe to use 138.255.240.66:41466?
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 DAVID DE SALLES BRASIL JUNIOR - ME?
None other than 138.255.240.66:41466 at the moment. AS263981 (DAVID DE SALLES BRASIL JUNIOR - ME) has no other free proxies live in our pool right now, though that changes as we re-verify.
Are there other free proxies in Brazil?
Yes, 850 free proxies are exiting from Brazil in our pool right now, answering in 2968ms at the median. If this address is not usable, that list is the place to look for a working one.
Where to go next
Upgrade to the paid network
This one is good, and it will still disappear.
138.255.240.66:41466 has answered 90% 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.
Other live free proxies
View allAbout 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.