Jeff, Since you are using bridge mode, try adjusting down the MTU supported through the network. We have observed that a realistic MTU for Verizon 5G home internet is about 1428 bytes. Good luck, Tom On Sun, Mar 19, 2023 at 8:00 AM <nanog-request@nanog.org> wrote:

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Today's Topics:

1. Spamhaus flags any IP announced by our ASN as a criminal network (Brandon Zhi) 2. Verizon/Qwest single end-user difficulty vs Xfinity (Jeff Woolsey) 3. Re: Spamhaus flags any IP announced by our ASN as a criminal network (Tom Beecher) 4. Re: Verizon/Qwest single end-user difficulty vs Xfinity (Darin Steffl) 5. Re: Verizon/Qwest single end-user difficulty vs Xfinity (Joe)

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Message: 1 Date: Sat, 18 Mar 2023 14:57:12 +0100 From: Brandon Zhi <Brandon@huize.asia> To: nanog@nanog.org Subject: Spamhaus flags any IP announced by our ASN as a criminal network Message-ID: < CAAyZddEAu48oYngA6xgwrsijbVf9LiwLHVE5OnO3y+8faUSMLg@mail.gmail.com> Content-Type: text/plain; charset="utf-8"

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 | Twitter

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