#1

IPv4 address block not managed by the RIPE NCC

#2

National Solar Observatory

#3

University of Colorado

#4

University of Colorado

#5

University of Colorado

#6

University of Colorado

#7

University of Colorado

#8

University of Colorado

#9

University of Colorado Boulder

#10

University of Colorado Boulder

#11

University of Colorado Boulder

#12

University of Colorado Boulder

#13

University of Colorado Boulder

#14

University of Colorado Boulder

#15

University of Colorado Boulder

#16

University of Colorado Boulder

#17

University of Colorado Boulder

#18

University of Colorado Boulder

#19

University of Colorado Boulder

#20