Jose, I called their upstream ISP http://bgp.he.net/AS47598#_whois and asked to check your case. Looks these guys announce not only your client inetnums http://bgp.he.net/AS203496#_prefixes -- Evgeniy On Thu, Mar 16, 2017 at 9:06 PM, Jose Damian Cantu Davila <jcantu@nic.mx> wrote:

Hi,

I apologize in advance if this is the wrong forum

Im Damian Cantu, analyst at IAR Mexico, which is the National Internet Registry for Mexico.

We find out that LLC AB-Telecom´s AS203496 started announcing in november 4th of 2016 the IPv4 block 168.197.120.0/23 which belongs to an ISP located in our region -LACNIC, the Latin American and Caribbean Internet Addresses Registry-.

https://stat.ripe.net/168.197.120.0%2F23#tabId=at-a-glance

The IPv4 block 168.197.120.0/23 belongs to Operbes, S.A. de C.V. (MX-OSCV9-LACNIC) which has a Legal contract with us.

http://lacnic.net/cgi-bin/lacnic/whois?lg=EN&query=168. 197.120/22&stkey=22058475-3481278007

We need that LLC AB-Telecom´s AS203496 halt any further announcement of the IPv4 block since it is affecting our clients network operation.

I had reported to their abuse info but haven´t had any response.

Im wondering if someone in this forum can put me in contact with their tech-staff.

Thanks in advance for your help,

And I apologize if it’s the wrong forum to post.

Best regards.

[image: damian cantu]

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