nanog mailing list archives

Re: Spamhaus flags any IP announced by our ASN as a criminal network


From: Tim Burke <tim () mid net>
Date: Mon, 20 Mar 2023 01:29:22 +0000

Have you received complaints from Spamhaus in the past? If so, have you acted on them in a timely manner?

Based on my past experiences, Spamhaus is rather gracious at first, but if you ignore them, they will start blocking 
you en masse. About 10 years ago, I worked for a datacenter/NSP and personally handled all Spamhaus complaints, and as 
soon as I left to go to another company (and the company stopped taking care of the complaints), Spamhaus blocked every 
single one of their IPs until they committed to actually handling the complaints again.

V/r
Tim


On Mar 18, 2023, at 8:57 AM, Brandon Zhi <Brandon () huize asia> wrote:

Hello guy,

We recently discovered that any IP address announced by our ASN is blacklisted by Spamhaus, even if we only announced 
it but not use it.

I would like to ask if this is manually set by Spamhaus or is the system misjudgment? Has anyone encountered the same 
situation as us?


Best,

Brandon Zhi
HUIZE LTD
www.huize.asia <https://huize.asia/> | www.ixp.su<https://www.ixp.su/> | Twitter

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