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

ayang at ayang at
Tue Mar 21 18:17:25 UTC 2023

RIPE NCC Requirements: End User Assignment Agreement states:

“End User may not sub-assign resources to third parties.”

Best regards,
August Yang

On 2023-03-21 13:12, George Toma wrote:
> I do not believe ASN sharing is illegal or prohibited, it's not
> prohibited in LACNIC and in APNIC policy I also could not find
> anything about ASN sharing, only
> APNIC policy states:
> "2.3. Autonomous System (AS)An Autonomous System (AS) is a connected
> group of one or more IP prefixes run by one or more network operators
> under a single and clearly defined routing policy.
> 2.3.1. Autonomous System Number (ASN)
> An Autonomous System Number (ASN) is a unique two- or four-byte number
> associated with an AS. The ASN is used as an identifier to allow the
> AS to exchange dynamic routing information with other Autonomous
> Systems."
> Nothing prohibiting ASN sharing and 2.3 specifically states "run by
> one or more network operators... single routing policy"
> Regards
> George
> On Tue, Mar 21, 2023 at 8:00 AM <nanog-request at> wrote:
>> Message: 19
>> Date: Mon, 20 Mar 2023 16:24:09 -0400
>> From: ayang at
>> To: Collider <large.hadron.collider at>
>> Cc: nanog at
>> Subject: Re: Spamhaus flags any IP announced by our ASN as a
>> criminal
>> network
>> Message-ID: <5b7ed1b1fbff65dfc63d188c2e1f95af at>
>> Content-Type: text/plain; charset=UTF-8; format=flowed
>> Several Huize ASNs, e.g. AS47158 and AS141011, were revoked due to
>> RIR
>> policy violations, which include prohibited sharing of ASNs with
>> third
>> parties, IP hijacking, and malicious path prepending.
>> Given this history, it is not surprising that Spamhaus would
>> blacklist
>> IP addresses associated with their ASN. In my opinion, such action
>> is
>> well-justified.
>> Best regards,
>> August Yang

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