Is 3.121.130.230:8218 a proxy? Yes.

3.121.130.230:8218 is a public HTTP proxy in the HProxy free proxy list, exiting from Germany. It holds a moderate 67% uptime, and was last checked 28 min ago.

Live now
67%

uptime

Latencynot measured
ProtocolHTTP
Last checked28 min ago
CountryDE Germany

Uptime & downtime

66.7%uptime over 1 tracked day · 33.3% downtime
7 days agoToday
Up Partial Down No checkTracking since Aug 10

1

Days tracked

3

Checks run

33.3%

Downtime

1

Down days

Other ports on this IP

3.121.130.230 is answering on 181 ports right now.

Ports like this one rarely travel alone. We hold 184 of them on 3.121.130.230 and have run 310,053 checks against them since May 13, 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.

98% of the ports on this IP have answered181 of 184 ports on 3.121.130.230 have completed at least one connection
Source: HProxy verification engine · hproxy.comProxy.

Best responding ports

Best on this IP is 3.121.130.230:35111 at 17.1% across 3,172 checks

Ranked by uptime
PortUptimeAnsweredStatus
3511117.1%543 / 3,172In the live pool
1615517.0%549 / 3,228In the live pool
5491916.7%530 / 3,175In the live pool
811816.6%531 / 3,201In the live pool
238616.5%556 / 3,373In the live pool
729216.4%527 / 3,206In the live pool
808116.4%520 / 3,165In the live pool
419516.4%525 / 3,211In the live pool
888816.2%512 / 3,162In the live pool
57116.2%547 / 3,381In the live pool
1926116.1%512 / 3,187In the live pool
2938616.1%514 / 3,200In the live pool

See all 184 ports on 3.121.130.230

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 3,392 proxies answering right now, the middle of the pack answers 16.1% of the checks we send it.

67%

of 3 checks answered

median 16.1%

Pool median 16.1%. 3.121.130.230:8218 is in the top quarter.

3

real connection attempts

Each one opens a socket and waits up to 90 seconds. Slow and dead look identical if you stop listening early.

0

days tracked, still in the live pool

Of the 192,133 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 a free proxy lastsDays from the first time we saw an address to the last time it answered, across 192,133 endpoints. Tails trimmed at the 5th and 95th percentile.
Lifespan of a free proxy, in days
All endpoints that diedhalf were gone inside 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.
Source: HProxy verification engine · hproxy.comProxy.
How slow a free proxy usually isResponse time on the last successful check, across the 3,392 proxies answering right now. Tails trimmed at the 5th and 95th percentile.
Response time across the live pool
Live free proxiesmedian 2,643ms
010k20k30k

Middle halfMedianFull range

The spread runs from 209ms to 20,105ms across the same list.
Source: HProxy verification engine · hproxy.comProxy.

Where this address sits

Right now our free pool holds 1,536 other free proxies on Amazon, and 287 in Germany. 3.121.130.230:8218 sits inside that set, so if it is not usable the pages below are where its closest alternatives are.

Amazon.com, Inc. is the 2nd largest source of free proxies we have ever measured.

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 25,683 addresses on AS16509, which is 4.4% of every address in the database and a substantial share of everything HProxy tracks. That makes it the 2nd largest source of free proxies of every network we have ever seen. 1,537 of them are answering right now, so if this particular address is not usable, the network is a reasonable place to look for one that is.

AS16509 in the public proxy database
  • Answering now6%
  • Answered before73%
  • Never answered22%
1,537 of the 25,683 addresses HProxy holds on this network are answering right now.Source: HProxy verification engine
The networks that host the most free proxiesAddresses in HProxy's public proxy list, by network. AS16509 is marked.
  1. 1LimitedNetwork-ASAS213790227,266
  2. 2Amazon.com, Inc.AS1650925,680
  3. 3Cloudflare, Inc.AS1333522,185
  4. 4SECURED SERVERS LLCAS2045419,475
  5. 5Cloudflare, Inc.AS20924214,136
  6. 6Alibaba (US) Technology Co., Ltd.AS4510211,644
  7. 7GloboTech CommunicationsAS3666611,542
  8. 8ChinanetAS41348,346
Source: HProxy verification engine · hproxy.comProxy.

How to use this proxy

Route a request through 3.121.130.230:8218 over HTTP. Free proxies are shared and rotate out fast, so test before you rely on it.

bash

curl -x http://3.121.130.230:8218 \

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 3.121.130.230:8218

3.121.130.230:8218 is in the live pool right now, and it stays there only for as long as it keeps answering.

  1. Port 8218: 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.

  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 3.121.130.230:8218 and gives it up to 90 seconds to answer. Slow is not the same as dead, 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.

  3. 3 checks, 2 answered

    That is 67% of the time, measured since August 10, 2026. Every one of those results, successes and failures alike, is a connection HProxy opened itself.

  4. It is being re-tested continuously

    3.121.130.230:8218 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 3.121.130.230:8218, and nothing it does not.

First seen
August 10, 2026
Last checked
August 10, 2026
Next check due
continuously
Checks run
3
Times it answered
2
Spoke
HTTP

67%

answered 2 of 3 checks

Questions about 3.121.130.230:8218

Is 3.121.130.230:8218 a working proxy right now?

Yes. 3.121.130.230:8218 answered HProxy's automated check 28 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 3.121.130.230?

It speaks HTTP. The port is 8218. Point your client at 3.121.130.230:8218 over http to route a request through it.

Where is 3.121.130.230 located?

Traffic through it exits from Frankfurt am Main, Germany, on Amazon.com, Inc. (AS16509). That is where the destination site will think your request came from.

How reliable has 3.121.130.230:8218 been?

Across 1 day of tracking it answered 67% 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 3.121.130.230:8218?

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 Amazon?

1,536 other free proxies are live on Amazon (AS16509) in our pool right now, alongside 3.121.130.230:8218. 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 Germany?

Yes, 287 free proxies are exiting from Germany in our pool right now, answering in 2512ms 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

Free proxies fail. This is what that looks like.

3.121.130.230:8218 answers 67% of the time, and that is ordinary for a public proxy. Nothing here is a service anybody sells you, which is why the numbers swing and why the list turns over constantly.

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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.