PROVAK
AS27575 (PROVAK) announces at least three prefixes:
170.173.39.0/24
Providence Health & Services
1970-01-01
NET-170-173-0-0-1
170.173.0.0-170.173.255.255
170.173.69.0/24
204.80.136.0/24
Providence Hospital
NET-204-80-136-0-1
204.80.136.0-204.80.136.255
0