Seattle Public Schools
AS54027 (SSD-160) announces at least 6 prefixes:
216.186.52.0/22
Washington State K-20 Telecommunications Network
about a second ago
NET-216-186-0-0-1
216.186.0.0-216.186.127.255
216.186.62.0/23
216.186.64.0/23
216.186.66.0/24
216.186.96.0/23
216.210.20.0/22
NET-216-210-0-0-1
216.210.0.0-216.210.63.255
0