<SEC-DOCUMENT>0001140361-19-001589-index.html : 20190125
<SEC-HEADER>0001140361-19-001589.hdr.sgml : 20190125
<ACCEPTANCE-DATETIME>20190125160535
ACCESSION NUMBER:		0001140361-19-001589
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		9
CONFORMED PERIOD OF REPORT:	20190314
FILED AS OF DATE:		20190125
DATE AS OF CHANGE:		20190125
EFFECTIVENESS DATE:		20190125

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			F5 NETWORKS INC
		CENTRAL INDEX KEY:			0001048695
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER COMMUNICATIONS EQUIPMENT [3576]
		IRS NUMBER:				911714307
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26041
		FILM NUMBER:		19542604

	BUSINESS ADDRESS:	
		STREET 1:		401 ELLIOT AVE WEST
		STREET 2:		STE 500
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98119
		BUSINESS PHONE:		2062725555

	MAIL ADDRESS:	
		STREET 1:		401 ELLIOT AVE WEST
		STREET 2:		STE 500
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98119

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	F5 LABS INC
		DATE OF NAME CHANGE:	19990305
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>bp15873x2_def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: bp15873x2_def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>bp15873x2_barchart01.jpg
<TEXT>
Document 2 - file: bp15873x2_barchart01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>bp15873x2_linechart01.jpg
<TEXT>
Document 3 - file: bp15873x2_linechart01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>bp15873x2_piechart01.jpg
<TEXT>
Document 4 - file: bp15873x2_piechart01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>bp15873x2_piechart02.jpg
<TEXT>
Document 5 - file: bp15873x2_piechart02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>bp15873x2_proxycard01.jpg
<TEXT>
Document 6 - file: bp15873x2_proxycard01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>bp15873x2_proxycard02.jpg
<TEXT>
Document 7 - file: bp15873x2_proxycard02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>logo_f5networks.jpg
<TEXT>
Document 8 - file: logo_f5networks.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>sig_scotfrogers.jpg
<TEXT>
Document 9 - file: sig_scotfrogers.jpg

</DOCUMENT>
</SEC-DOCUMENT>