as 7007 incident

a major disruption of the Internet on April 25, 1997, that started with a router operated by autonomous system 7007 (MAI Network Services, although sometimes incorrectly attributed to the Florida Internet ExchangePeter G. Neumann, "Internet Routing Black Hole", The Risks Digest: Volume 19: Issue 12, Friday 2 May 1997) accidentally leaking a substantial part of its entire routing table to the Internet, creating a routing black hole.