Is 170.150.1.253:4145 a proxy? Yes.
170.150.1.253:4145 is a public HTTP proxy in the HProxy free proxy list, exiting from Brazil. It holds a spotty 19% uptime, and was last checked 32 min ago.
uptime
BrazilUptime & downtime
7
Days tracked
385
Checks run
86.5%
Downtime
7
Down days
Continuous monitoring
How HProxy checks 170.150.1.253:4145
170.150.1.253:4145 is in the live pool right now, and it stays there only for as long as it keeps answering. Here is exactly what HProxy does to it, and how often.
Port 4145: SOCKS4, common
Port 4145 is long associated with SOCKS4 tunnels and appears constantly in republished proxy lists. It is a convention rather than a registration, so treat it as a hint about intent, not a guarantee of protocol.
Every check is a real connection
HProxy does not read this address off somebody else's list and pass it on. Each check opens an actual connection to 170.150.1.253:4145 and waits up to 4 seconds for the other end to complete a proxy handshake. 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.
1,656 checks, 321 answered
That is 19% of the time, measured since July 5, 2026. Every one of those results, successes and failures alike, is a connection HProxy opened itself.
It is being re-tested continuously
170.150.1.253:4145 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 170.150.1.253:4145, and nothing it does not.
- First seen
- July 5, 2026
- Last checked
- August 3, 2026
- Next check due
- continuously
- Checks run
- 1,656
- Times it answered
- 321
- Spoke
- HTTP
19%
answered 321 of 1,656 checks
How to use this proxy
Route a request through 170.150.1.253:4145 over HTTP. Free proxies are shared and rotate out fast, so test before you rely on it.
curl -x http://170.150.1.253:4145 \
https://api.ipify.org?format=json
Other live free proxies
View all →
Where this address sits
Right now our free pool holds no other free proxies on AS28343 right now, and 209 in Brazil. 170.150.1.253:4145 sits inside that set, so if it is not usable the pages below are where its closest alternatives are.
What HProxy holds on UNIFIQUE TELECOMUNICACOES S/A
Open proxies are not spread evenly across the internet. They cluster, because one misconfigured template, one cheap hosting reseller or one leaked image tends to produce hundreds of identical machines on the same network. HProxy tracks 26 addresses on AS28343, 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 now4%
- Answered before4%
- Never answered92%
Questions about 170.150.1.253:4145
Is 170.150.1.253:4145 a working proxy right now?
Yes. 170.150.1.253:4145 answered HProxy's automated check 32 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 170.150.1.253?
It speaks HTTP. The port is 4145. Point your client at 170.150.1.253:4145 over http to route a request through it.
Where is 170.150.1.253 located?
Traffic through it exits from Sao Jose do Cerrito, Brazil, on UNIFIQUE TELECOMUNICACOES S/A (AS28343). That is where the destination site will think your request came from.
How reliable has 170.150.1.253:4145 been?
Across 30 days of tracking it answered 19% 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 170.150.1.253:4145?
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 AS28343?
None other than 170.150.1.253:4145 at the moment. AS28343 (AS28343) 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, 209 free proxies are exiting from Brazil in our pool right now, answering in 2361ms 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
Need pools that stay clean?
Free IPs are shared and rotate out fast, so success rates swing. The paid network gives you dedicated-clean pools that hold up under load.
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.