0000950124-05-006787 10-K 6 20050930 20051213 20051212 F5 NETWORKS INC 0001048695 3576 911714307 WA 0930 10-K 34 000-26041 051259373 401 ELLIOT AVE WEST STE 500 SEATTLE WA 98119 2062725555 401 ELLIOT AVE WEST STE 500 SEATTLE WA 98119 F5 LABS INC 19990305 10-K 1 v15287e10vk.htm FORM 10-K EX-21.1 2 v15287exv21w1.txt EXHIBIT 21.1 EX-23.1 3 v15287exv23w1.txt EXHIBIT 23.1 EX-31.1 4 v15287exv31w1.htm EXHIBIT 31.1 EX-31.2 5 v15287exv31w2.htm EXHIBIT 31.2 EX-32.1 6 v15287exv32w1.htm EXHIBIT 32.1