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List:       nanog
Subject:    Re: v4 and v6 BOGON list
From:       Bryan Holloway <bryan () shout ! net>
Date:       2024-03-22 17:55:00
Message-ID: d33529a1-4194-47df-8ed2-119e74453b71 () shout ! net
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+1

On 3/22/24 11:28, Suresh Ramasubramanian wrote:
> bogons.cymru.com has been around as a BGP feed for a long long time.
> 
> https://www.team-cymru.com/bogon-networks 
> <https://www.team-cymru.com/bogon-networks>
> 
> *From: *NANOG <nanog-bounces+ops.lists=gmail.com@nanog.org> on behalf of 
> Gabriel Terry <gterry@acentek.net>
> *Date: *Friday, 22 March 2024 at 3:56 PM
> *To: *nanog@nanog.org <nanog@nanog.org>
> *Subject: *v4 and v6 BOGON list
> 
> All,
> 
> I was researching BOGON prefixes and found a reference from IANA listing 
> special-purpose addresses, URLs listed below. Based on my understanding 
> of the list I think I should be able to block all of the entries from my 
> upstream peerings without affecting normal internet traffic. I assume 
> that there would only be special scenarios that the addresses listed in 
> the special-purpose entry would be used. I am interested to hear what 
> others are doing when it comes to blocking BOGON NLRI from their 
> upstream BGP peerings. If anyone has any insight into this please let me 
> know your thoughts, I would love to discuss more on the topic.
> 
> URLs:
> 
> https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml \
> <https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml>
>  
> https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml \
> <https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml>
>  
> *Thanks,*
> 
> *Gabriel L. Terry*
> 


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