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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: Calling TeliaSonera - time to implement prefix filtering
> We're currently receiving the following prefix from > TeliaSonera on one of our IP transit links in Oslo: > aut-num: AS29049 > as-name: Delta-Telecom-AS > descr: Delta Telecom LTD. > descr: International Communication Operator > descr: Azerbaijan Republic > > and *of course* they don't own 62.0.0.0/8. Own!? How can you tell who actually owns any network these days. According to Lars Nyberg, President and CEO of TeliaSonera, TeliaSonera is committed to Azerbaijan and will continue delivering world class service. This statement was made at a press conference in Baku, the capital of Azerbaijan, in January. It took about 30 seconds of googling to learn that this Swedish/Finnish merged company is in a joint venture with a Turkish company and that joint venture is in another joint venture with the Azerbaijani government. TeliaSonera owns a majority of the stake in the first joint venture (Fintur Holdings BV) which owns a majority stake in the second joint venture (Azercell Telecom). I still have no idea who owns what AS or IP address range, but it seems to be reasonable for TeliaSonera, an Azerbaijani telecom company, to be announcing an IP address range assigned to another Azerbaijani telecom company. Have you asked TeliaSonera why they are announcing the prefix? Yes, it is possible that someone in Azerbaijan made a mistake in configuring their router, but rather than complain on NANOG, it would be better to work back through the chain of BGP peers and help educate the people who made the mistake. --Michael Dillon
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