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List of acquisitions by Cisco
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Cisco Systems, Inc., commonly known as Cisco, is an American computer networking company. Cisco made its first acquisition in 1993, which was followed by a series of further acquisitions.

History

Founded in 1984, Cisco did not acquire a company during the first seven years of its existence; but, on September 24, 1993, Cisco acquired Crescendo Communications, a LAN switching company.2 Following the first Cisco takeover purchase, acquisitions have constituted 50 percent of the company's business activity.3

The company's largest acquisition as of October 2023[update] is the purchase of Splunk—a software company that develops software for the analysis and monitoring of machine-generated data—US$28 billion.4 Cisco's previous largest acquisition was tied between Cerent Corporation and Scientific Atlanta for $6.9 billion in 1999 and 2005 respectively.56

The majority of companies acquired by Cisco are based in the United States (U.S.) and a total of 149 companies had been acquired as of March 2011[update].7 Most of the companies acquired by Cisco are related to computer networking, with several LAN switching and Voice over Internet Protocol (VoIP) companies included in the list of acquisitions.8

Acquisitions

Each acquisition is for the respective company in its entirety, unless otherwise specified, and the date of the agreement between Cisco Systems and the subject of the acquisition is listed. The value of each acquisition is listed in the US$ currency because Cisco Systems is headquartered in California, U.S.

The majority of its products and business units have come from acquisitions, with Cisco Systems spending more than $70 billion to acquire approximately 218 organizations as of October 2021.

DateCompanyBusinessCountryValue (USD)References
September 24, 1993Crescendo CommunicationsLAN switching United States$94,500,0009
July 12, 1994Newport Systems SolutionsRouter United States$95,000,000101112
October 24, 1994KalpanaLAN switching United States$204,000,00013
December 8, 1994LightStreamATM switching United States$120,000,00014
August 10, 1995CombinetRemote office routers United States$114,200,00015
September 6, 1995Internet JunctionGateway United States$5,500,00016
September 27, 1995Grand Junction Networks100Mbps Ethernet LAN Switching United States$348,000,000
October 27, 1995Network TranslationFirewalls United States$30,000,0001718
November 6, 1995Grand Junction NetworksLAN switching United States$345,000,000192021
January 23, 1996TGV SoftwareInternet software company United States$115,000,0002223Updated on ClearOS' web page: ClearOS Pedigree24
April 22, 1996StrataComATM switching United States$4,000,000,0002526
July 22, 1996TelebitModems United States$200,000,0002728
August 6, 1996Nashoba NetworksLAN switching United States$100,000,0002930
September 3, 1996Granite SystemsComputer networking United States$220,000,0003132
October 14, 1996Netsys TechnologiesNetwork simulation United States$79,000,0003334
December 1996MetaplexComputer networking Australia35
March 26, 1997TelesendBroadband Internet access United States3637
June 9, 1997Skystone SystemsSynchronous optical networking Canada$89,100,0003839
June 24, 1997Global Internet Software GroupFirewall United States$40,250,00040
June 24, 1997Ardent CommunicationsBroadband Internet access United States$156,000,00041
September 2, 1997Integrated NetworkDigital subscriber line United States42
December 22, 1997LightSpeed InternationalVoice over Internet Protocol United States$160,000,00043
February 18, 1998WheelGroupComputer security United States$124,000,0004445
March 10, 1998NetSpeedBroadband Internet access United States$236,000,00046
March 11, 1998Precept SoftwareInternet television United States$84,000,00047
May 4, 1998CLASS Data SystemsComputer networking United States$50,000,00048
July 28, 1998Summa FourLAN switching United States$116,000,00049
August 21, 1998American InternetComputer networking United States$56,000,00050
September 15, 1998Clarity WirelessWireless networking United States$157,000,00051
October 14, 1998Selsius SystemsVoice over Internet Protocol United States$145,000,00052
December 2, 1998PipelinksSynchronous optical networking United States$126,000,00053
April 8, 1999Fibex SystemsDigital loop carrier United States$250,000,0005455
April 8, 1999Sentient NetworksVoice over Internet Protocol United States$195,000,00056
April 13, 1999GeoTel CommunicationsVoice over Internet Protocol United States$2,000,000,00057
April 28, 1999Amteva TechnologiesVoice over Internet Protocol United States$170,000,00058
June 17, 1999TransMedia CommunicationsGateways United States$407,000,00059
June 29, 1999StratumOne CommunicationsSynchronous optical networking United States$435,000,00060
August 16, 1999CalistaPrivate branch exchange United States$55,000,00061
August 18, 1999MaxComm TechnologiesVoice over Internet Protocol United States$143,000,00062
August 26, 1999Monterey NetworksSynchronous optical networking United States$500,000,00063
August 26, 1999CerentSynchronous optical networking United States$6,900,000,00064
August 31, 1999IBM Networking Hardware DivisionComputer networking United States$2,000,000,00065
September 15, 1999COCOM A/SCable modems Denmark$65,600,00066
September 22, 1999Webline CommunicationsContact management United States$325,000,00067
October 26, 1999Tasmania Network SystemsWeb cache United States$25,000,00068
November 9, 1999Aironet Wireless CommunicationsWireless LAN United States$799,000,00069
November 11, 1999V-BitsDigital video United States$128,000,00070
December 16, 1999Worldwide Data SystemsInformation technology consulting United States$25,500,00071
December 17, 1999Internet Engineering Group (IEng)High performance routing software United States$25,000,00072
December 20, 1999Pirelli Optical SystemsFiber-optic communication Italy$2,150,000,00073
January 19, 2000Compatible SystemsVirtual private networking United States$317,000,0007475
January 19, 2000Altiga NetworksVirtual private networking United States$250,000,0007677
February 16, 2000Growth NetworksChipsets United States$355,000,00078
March 1, 2000Atlantech TechnologiesNetwork management United Kingdom$180,000,00079
March 16, 2000JetCellMobile telephones United States$200,000,00080
March 16, 2000infoGear TechnologyInformation management United States$301,000,00081
March 29, 2000SightPathContent delivery United States$800,000,00082
April 11, 2000PentaComLAN switching Israel$118,000,00083
April 12, 2000Seagull SemiconductorComputer networking Israel$19,000,00084
May 5, 2000Arrowpoint CommunicationsLAN switching United States$5,700,000,00085
May 12, 2000Qeyton SystemsWavelength-division multiplexing Sweden$800,000,00086
June 5, 2000HyNEXInternet access Israel$127,000,00087
July 7, 2000NetiverseLAN switching United States$210,000,00088
2001AuroraNeticsComputer networking United States$150,000,00089
July 25, 2000Komodo TechnologyVoice over Internet Protocol United States$175,000,00090
July 27, 2000NuSpeed Internet SystemsiSCSI United States$450,000,00091
August 1, 2000IPmobileMobile software United States$425,000,00092
August 31, 2000PixStreamMedia player (application software) United States$369,000,00093
September 28, 2000IPCell TechnologiesVoice over Internet Protocol United States$200,000,00094
September 28, 2000Vovida NetworksVoice over Internet Protocol United States$169,000,00095
October 20, 2000CAIS SoftwareIntegrated development environment United States$170,000,00096
November 10, 2000Active VoiceCommunication software United States$266,000,00097
November 13, 2000RadiataWireless networking Australia$295,000,00098
December 14, 2000ExiO CommunicationsWireless networking United States$155,000,00099
July 27, 2001Allegro SystemsVirtual private networks United States$181,000,000100
May 1, 2002Hammerhead NetworksComputer networking United States$173,000,000101
May 1, 2002Navarro NetworksComputer networking United States$85,000,000102
July 25, 2002AYR NetworksComputer networking United States$113,000,000103
August 20, 2002Andiamo SystemsData storage United States$2,500,000,000104
October 22, 2002Psionic SoftwareIntrusion detection United States$12,000,000105
January 24, 2003OkenaIntrusion detection United States$154,000,000106
March 19, 2003SignalWorksEcho cancellation United States$13,500,000107
March 20, 2003LinksysComputer networking United States$500,000,000108
November 12, 2003Latitude CommunicationsWeb conferencing United States$80,000,000109
March 12, 2004Twingo SystemsComputer security United States$5,000,000110
March 22, 2004Riverhead NetworksComputer security United States$39,000,000111
June 17, 2004Procket NetworksRouters United States$89,000,000112
June 29, 2004Actona TechnologiesData storage United States$82,000,000113
July 8, 2004Parc TechnologiesRouters United Kingdom$9,000,000114
August 23, 2004P-CubeService Delivery Platform Israel$200,000,000115
September 9, 2004NetSolveInformation technology United States$128,500,000116117
September 13, 2004dynamicsoftCommunication software United States$55,000,000118119
October 21, 2004PerfigoComputer networking United States$74,000,000120
November 17, 2004Jahi NetworksNetwork management United States$16,000,000121
December 9, 2004BCN SystemsRouters United States$34,000,000122
December 20, 2004Protego NetworksNetwork security United States$65,000,000123
January 12, 2005AirespaceWireless LAN United States$450,000,000124125
April 14, 2005Topspin CommunicationsLAN switching United States$250,000,000126127
April 26, 2005Sipura TechnologyVoice over Internet Protocol United States$68,000,000128129
May 23, 2005VihanaSemiconductors United States$30,000,000130131
May 26, 2005FineGround NetworksNetwork security United States$70,000,000132133
June 14, 2005M.I. Secure CorporationVirtual private networks United States$13,000,000134
June 27, 2005NetsiftComputer networking United States$30,000,000135
July 22, 2005KISS TechnologyEntertainment technology Denmark$61,000,000136
July 26, 2005Sheer NetworksService management United States$97,000,000137
September 30, 2005Nemo SystemsComputer networking United States$12,500,000138
November 18, 2005Scientific AtlantaDigital cable United States$6,900,000,000139
November 29, 2005CybertrustInformation gathering United States$14,000,000140
March 7, 2006SyPixx NetworksSurveillance United States$51,000,000141
June 8, 2006MetreosVoice over Internet Protocol United States$28,000,000142
June 8, 2006AudiumVoice over Internet Protocol United States$19,800,000143
July 6, 2006MeetinghouseComputer security United States$43,700,000144145
August 21, 2006Arroyo Video SolutionsVideo on demand United States$92,000,000146147
October 10, 2006Ashley LaurentGateways United States148
October 25, 2006OrativeMobile software United States$31,000,000149
November 13, 2006Greenfield NetworksSemiconductors United States150
December 15, 2006TivellaDigital signage / IPTV United States151
January 4, 2007IronPortComputer security United States$830,000,000152153
February 9, 2007Five AcrossSocial networking service United States154155
February 21, 2007ReactivityWeb services United States$135,000,000156157
March 5, 2007Utah Street NetworksSocial networking service United States158159
March 13, 2007NeoPathData storage United States160161
March 15, 2007WebExWeb conferencing United States$3,200,000,000162163
March 28, 2007SpansLogicComputer networking United States164165
May 21, 2007BroadWare TechnologiesSurveillance United States166167
September 18, 2007CognioMobile software United States168169
September 27, 2007LatigentBusiness performance management United States170171
October 23, 2007Navini NetworksWiMAX United States$330,000,000172173
November 1, 2007SecurentDigital rights management United States$100,000,000174175
April 8, 2008Nuova Systems, Inc.Computer networking United States$678,000,000176
June 10, 2008DiviTech A/SDigital service management Denmark177
July 23, 2008Pure Networks, Inc.Computer software United States$120,000,000178
August 27, 2008PostPathEmail United States$215,000,000179
September 19, 2008Jabber, Inc.Presence United States180
January 27, 2009Richards-Zeta Building IntelligenceBuilding management systems United States181
March 19, 2009Pure Digital TechnologiesDigital video United States$590,000,000182183
May 1, 2009Tidal SoftwareJob scheduling United States$105,000,000184
October 27, 2009ScanSafeSaaS Web Security Provider United Kingdom$183,000,000185186
November 2, 2009Set-top box business of DVNCable China187
December 18, 2009Starent NetworksSystem Architecture Evolution United States$2,900,000,000188
April 18, 2010TandbergVideoconferencing Norway$3,300,000,000189
May 18, 2010MOTO Development GroupProduct design United States190
May 20, 2010CoreOpticsDigital signal processing United States191
August 26, 2010ExtendMediaVideo United States192
September 2, 2010Arch Rock CorporationSmart Grid United States193
December 1, 2010LineSider TechnologiesNetwork Management Software United States194
January 26, 2011Pari NetworksNetwork Configuration and Change Management (NCCM) United States195
February 4, 2011Inlet TechnologiesAdaptive Bit Rate (ABR) digital media processing platforms United States$95,000,000196
March 29, 2011newScale Inc.[Cisco Intelligent Automation for Cloud] United States197
August 21, 2011AXIOSS Software and TalentIT Service Management Software Finland$31,000,000198199
August 29, 2011VerslyIntegrated Software United States200201
October 20, 2011BNI VideoVideo United States$99,000,000202203
March 15, 2012NDS GroupConditional Access United Kingdom$5,000,000,000204
March 19, 2012LightwireSilicon Photonics United States$271,000,000
July 16, 2012VirtuataSoftware Security United States205
November 15, 2012CloupiaCloud Services United States$125,000,000206
November 19, 2012MerakiWired and Wireless Cloud Networking United States$1,200,000,000207
November 29, 2012CaridenNetwork planning, design and traffic management solutions for telecommunications service providers United States$141,000,000208
January 23, 2013IntucellMobile Software Israel$475,000,000209
January 29, 2013Cognitive SecurityCyber Threat Protection Czech Republic210
March 25, 2013SolveDirectCloud services Austria$21,194,000211
April 3, 2013UbiquisysMobile software United Kingdom$310,000,000212
May 29, 2013JouleXEnergy Management United States$107,000,000213
July 30, 2013Composite SoftwareData Virtualization United States$180,000,000214
July 23, 2013SourcefireComputer Security United States$2,700,000,000215216
August 30, 2013BroadHopLeading provider of next generation policy control and service management for carrier networks worldwide. United States
September 10, 2013WhiptailScalable solid state memory system provider United States$415,000,000217218
December 10, 2013InsiemeApplication-centric data center infrastructure United States219
December 17, 2013Collaborate.comMobile collaboration and cloud computing United States220
February 2014Tetration AnalyticsData Center Analytics and Security Solution United States
June 16, 2014ThreatGRIDUnified malware analysis and threat intelligence United States221
June 27, 2014AssemblageCloud collaboration software Denmark222
July 9, 2014Tail-f SystemsNetwork service orchestration solutions Sweden223
July 27, 2014MetacloudDeploys and operates private clouds for global organizations with a unique OpenStack-as-a-Service model United States224
May 29, 2015TropoProvides development platform for real time communications United States225
December 10, 2014NeohapsisSecurity Consulting United States226
April 13, 2015EmbraneApplication-centric network services including firewalls (FW), virtual private networks (VPNs), load balancers (LB) and SSL offload engines United States227
June 12, 2015Piston Cloud ComputingProvides software that enables streamlined operational deployment of large scale distributed systems United States228
June 30, 2015OpenDNSCloud-delivered enterprise security service United States$635,000,000229
July 7, 2015MaintenanceNetProvides a cloud-based software platform that uses data analytics and automation to manage and scale attach and renewals of recurring customer contracts. United States$139,000,000230
October 12, 2015PawaaProvides secure on-premise and cloud-based file sharing software. India
October 25, 20151 MainstreamOffers a cloud-based video platform designed to quickly launch live and on-demand OTT video services to a variety of connected devices United States231
November 3, 2015ParStreamRealtime Edge Analytics Database for IoT Germany232
November 20, 2015AcanoAcano provides collaboration infrastructure and conferencing software United Kingdom$700,000,000233
December 22, 2015LancopeEnhances Cisco's Security Everywhere strategy. United States$452,500,000234
February 3, 2016Jasper TechnologiesDevelopers of an Internet of Things cloud platform United States$1,400,000,000235
March 1, 2016CliQr TechnologiesApplication defined cloud orchestration platform United States$260,000,000236
March 2, 2016Leaba SemiconductorFabless Semiconductor Israel$320,000,000237
June 28, 2016CloudLockCloud-Security Provider United States$293,000,000238
October 17, 2016Heroik Labs, Inc / WorklifeMeeting productivity United States
January 24, 2017AppDynamicsApplication Performance Management United States$3,700,000,000239
May 1, 2017Viptela Inc.Software-defined WAN United States$610,000,000240
May 11, 2017MindMeld Inc.Conversational Artificial Intelligence United States$125,000,000241
July 31, 2017Observable Networks, Inc.Cloud-Security Provider United States242
September 22, 2017Springpath IncHyper-converged Data Platform United States$320,000,000243
October 19, 2017Perspica, Inc.Machine Learning United States244
October 25, 2017BroadSoftCloud Collaboration and Contact Center Platform United States$1,900,000,000245
December 21, 2017Cmpute.io (47Line Technologies)software solution to analyze cloud-deployed workloads and consumption patterns for cost-optimization strategies India246
February 9, 2018Skyport SystemsCloud managed secure edge compute server platform United States247
May 1, 2018AccompanyDevelops a relationship intelligence platform and has built one of the richest databases of decision makers in the world United States248
June 19, 2018July SystemsCloud-based mobile experience and location services United States249
November 21, 2018Ensoft LtdSoftware solutions for service provider networks United Kingdom250
August 2, 2018Duo SecurityCloud-based Cyber-Security United States$2,350,000,000251
December 18, 2018LuxteraPrivately-held semiconductor company United States252
December 18, 2018Singularity NetworksNetwork Analytics Company United States253
June 6, 2019SentryoCybersecurity for the Industrial Internet France254
July 9, 2019Acacia CommunicationsOptical Interconnects United States$2,600,000,000255
August 6, 2019VoiceaMeeting transcription, voice search, and meeting highlights/action items United States
April 6, 2020Fluidmesh NetworksWireless mesh networks Italy256
May 28, 2020ThousandEyesCloud & Internet Intelligence for Enterprises and Service Providers United States$1,000,000,000257
July 31, 2020ModcamVideo analytics Sweden258
September 30, 2020BabbleLabsComputer audio background noise reduction software United States259
October 1, 2020PortshiftComputer application security solutions Israel260
November 16, 2020Banzai CloudSecure cloud-native application deployment Hungary261
February 19, 2021IMImobileCloud communications software United Kingdom$730,000,000262
June 22, 2021Sedona SystemsCross-Domain Network Controller Israel263
June 30, 2021Kenna SecurityRisk-based Vulnerability Management United States264
July 8, 2021Socio LabsEvent technology platform United States265
September 28, 2022Syrmia NetworksEmbedded System Software Serbia266
February 24, 2023ValtixCloud network security United States267
March 29, 2023LightspinCloud security Israel268
April 30, 2023SmartlookUser analytics Czech Republic269
May 31, 2023ArmorbloxAI-powered threat detection United States270
June 21, 2023AccedianHigh Performance Service Assurance Canada271
August 31, 2023OortIdentity security and management United States272
September 21, 2023SplunkCybersecurity and Observability United States$28,000,000,000273
December 21, 2023IsovalentCloud Networking and Security United States274
August 8, 2024DeepFactorCloud-native application security company United States275
August 26, 2024Robust IntelligenceAI Security United States276
October 3, 2024Deeper Insights AI LtdDeeper Insights helps organizations design, build, and implement AI solutions and services for enterprise use cases United Kingdom277

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