Is 51.92.173.133:57961 a proxy? Yes.
51.92.173.133:57961 is a public HTTPS proxy in the HProxy free proxy list, exiting from Spain. It holds a spotty 12% uptime with a reasonable 252ms response time, and was last checked 2 h ago.
uptime
SpainWhere this address sits
Right now our free pool holds 4,352 other free proxies on Amazon, and 98 in Spain. 51.92.173.133:57961 sits inside that set, so if it is not usable the pages below are where its closest alternatives are. At 252ms it answers faster than the 317ms median for Spain proxies (about 79% of it).
How to use this proxy
Route a request through 51.92.173.133:57961 over HTTPS. Free proxies are shared and rotate out fast, so test before you rely on it.
curl -x https://51.92.173.133:57961 \
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 51.92.173.133:57961
51.92.173.133:57961 is in the live pool right now, and it stays there only for as long as it keeps answering.
Port 57961: Ephemeral port range
This is a throwaway port number, the kind a computer hands out for a few minutes and then takes back. Anything published on one tends to move or disappear when its host restarts, which is a large part of why public proxy lists rot so fast.
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 51.92.173.133:57961 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 HTTPS and SOCKS4 and SOCKS5.
It is being re-tested continuously
51.92.173.133:57961 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 51.92.173.133:57961, and nothing it does not.
- Next check due
- continuously
- Spoke
- HTTPS, SOCKS4, SOCKS5
Questions about 51.92.173.133:57961
Is 51.92.173.133:57961 a working proxy right now?
Yes. 51.92.173.133:57961 answered HProxy's automated check 2 h 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 51.92.173.133?
It speaks HTTPS, SOCKS4, SOCKS5, and our checks grade it elite. The port is 57961. Point your client at 51.92.173.133:57961 over https to route a request through it.
Where is 51.92.173.133 located?
Traffic through it exits from Zaragoza, Spain, on Amazon.com, Inc. (AS16509). That is where the destination site will think your request came from.
How fast is 51.92.173.133:57961?
It answered in 252ms 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 51.92.173.133:57961?
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?
4,352 other free proxies are live on Amazon (AS16509) in our pool right now, alongside 51.92.173.133:57961. 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 Spain?
Yes, 98 free proxies are exiting from Spain in our pool right now, answering in 317ms 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
Free proxies fail. This is what that looks like.
51.92.173.133:57961 answers 12% 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.
Other live free proxies
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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.