Ketäon 2001:504:91::254 ?

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% IPv4 or IPv6 address to origin prefix match
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route6: 2000::/6
origin: AS29632
descr: NASSIST-AS Netassist International EOOD, BG
lastupd-frst: 2026-09-06 14:19Z 2a0c:b641:780:7::feca@rrc25
lastupd-last: 2026-09-09 11:24Z 2a06:a005:8:2::1@rrc25
seen-at: rrc25
num-rispeers: 2
source: RISWHOIS