I had to request a few removals from here,
https://proxycheck.io

There is at least other service that specializes on this kind of check but
I can't remember the name from the top of my head.

*Carlos Pizarro*


El El jue, 15 may. 2025 a la(s) 10:28 p.m., Eric C. Miller via NANOG <
nanog@lists.nanog.org> escribió:

> I haven't been able to find any data service showing the IPs as sources
> for abuse, just proxy/vpn. Maybe I'm just not looking in the right places.
> Suggestions for places to check?
>
> I'm usually looking at Cloudflare Radar, CrowdSec, and IP Quality Score.
>
> Eric
>
>
> ________________________________
> From: Scott Fisher
> Sent: Thursday, May 15, 2025 7:06 PM
> To: North American Network Operators Group
> Cc: Dobbins, Roland; Eric C. Miller
> Subject: Re: Sudden surge in CGNAT blacklisting
>
> Eric,
>
> This is a total guess:
>
> There has been several takedowns of large residential proxy networks
> recently which may motivated security vendors to be more aggressive in
> their identification of known proxy hosts. Some of these proxy networks are
> more malicious than others that will force websites/shops/banks to deny
> access to IPs idenitfied to be part of these proxies as well.
>
> Thanks,
> Scott
>
> > On May 15, 2025, at 6:45 PM, Dobbins, Roland via NANOG <
> nanog@lists.nanog.org> wrote:
> >
> >
> > On May 16, 2025, at 02:34, Eric C. Miller via NANOG <
> nanog@lists.nanog.org> wrote:
> >
> > We've started accelerating our migration to our ARIN space, but it's
> still odd why it's all of a sudden.
> >
> > Have some of the folks sitting behind it I’ll-advisedly signed up, or
> been involuntarily subsumed into, some of the burgeoning residential proxy
> services which are being leveraged by spammers, phishers, credential
> stuffers, DDoSers, et. al.?
> >
> > There’s a growth in awareness of the threats they represent; & there are
> several sessions on this topic at the upcoming NANOG conference.
> >
> > --------------------------------------------
> >
> > Roland Dobbins <roland.dobb...@netscout.com>
> > _______________________________________________
> > NANOG mailing list
> >
> https://lists.nanog.org/archives/list/nanog@lists.nanog.org/message/MHUIGOC4CXM3IXJ64RE7EYLTSUJUPOXC/
>
>
> _______________________________________________
> NANOG mailing list
>
> https://lists.nanog.org/archives/list/nanog@lists.nanog.org/message/ATRGGFSLLRVXKLGVPM25RBWSNRTFPWXF/
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