Business Acquisitions

Acquisition-related costs were $1.0 million, $5.5 million and $1.7 million during the years ended December 31, 2018, 2017 and 2016, respectively, and are included in general and administrative expense in the consolidated statements of income. Pro forma results of operations for the acquisitions completed in the years ended December 31, 2017 and 2016 have not been presented because the effects of the acquisitions, individually and in the aggregate, are not material to the Company's consolidated financial results. Revenue and earnings attributable to acquired operations since the dates of their acquisitions are included in the Company's consolidated statements of income and not presented separately because they are not material.

Janrain

In January 2019, the Company acquired Janrain, Inc. ("Janrain"), a provider of customer identity access management (CIAM) solutions, for approximately $125.0 million in cash. The allocation of the purchase price has not been finalized as of the date of the filing of these financial statements. The Company plans to incorporate the Janrain technology into Akamai's Intelligent Edge Platform.

2017 Acquisitions

Nominum

On November 27, 2017, the Company acquired Nominum, Inc. ("Nominum"), a provider of domain name system ("DNS") and enterprise security solutions, for $180.3 million in cash. The acquisition is intended to add complementary capabilities to the Company's portfolio of security offerings while expanding the Company’s distribution to carriers that serve enterprise customers.

The following table presents the final allocation of the purchase price for Nominum (in thousands):



Total purchase consideration	$	180,327

Allocation of the purchase consideration:
Cash	$	8,455
Accounts receivable	9,845
Prepaids and other current assets	1,082
Identifiable intangible assets	33,200
Goodwill	129,876
Fixed assets	1,570
Deferred tax assets	16,080
Other assets	19
Total assets acquired	200,127
Accounts payable	(1,501		)
Accrued liabilities	(3,471		)
Deferred revenue	(14,828		)
Total liabilities assumed	(19,800		)
Net assets acquired	$	180,327

The value of the goodwill can be attributed to a number of business factors, including a trained technical and sales workforce and cost synergies expected to be realized. The total amount of goodwill related to the acquisition of Nominum expected to be deductible for tax purposes is $54.1 million.

The following were the identified intangible assets acquired and their respective weighted average useful lives (in thousands, except years):



	Gross Carrying Amount		Weighted Average Useful Life
Completed technologies	$	7,200	2.2
Customer-related intangible assets	24,700		6.5
Trademarks	1,100		3.7
Non-compete agreements	200		1.5
Total	$	33,200

The total weighted average amortization period for the intangible assets acquired from Nominum is 5.4 years. The intangible assets are being amortized based upon the pattern in which the economic benefits of the intangible assets are being utilized.

Soasta

On April 6, 2017, the Company acquired Soasta, Inc. ("Soasta"), a leader in digital performance management, for $199.3 million in cash. The acquisition is expected to allow the Company to offer solutions designed to provide greater visibility into the business impact of customers' website and application optimization strategies.

The following table presents the final allocation of the purchase price for Soasta (in thousands):



Total purchase consideration	$	199,280

Allocation of the purchase consideration:
Cash	$	1,935
Accounts receivable	4,109
Prepaids and other current assets	4,384
Identifiable intangible assets	49,900
Goodwill	122,794
Deferred tax assets	31,206
Total assets acquired	214,328
Accounts payable	(1,119		)
Accrued liabilities	(4,366		)
Deferred revenue	(9,563		)
Total liabilities assumed	(15,048		)
Net assets acquired	$	199,280

The value of the goodwill can be attributed to a number of business factors, including a trained technical and sales workforce and cost synergies expected to be realized. The total amount of goodwill related to the acquisition of Soasta expected to be deductible for tax purposes is $36.4 million.

The following were the identified intangible assets acquired and their respective weighted average useful lives (in thousands, except years):



	Gross Carrying Amount		Weighted Average Useful Life
Completed technologies	$	18,800	4.1
Customer-related intangible assets	28,200		4.6
Trademarks	2,400		4.9
Non-compete agreements	500		1.9
Total	$	49,900

The total weighted average amortization period for the intangible assets acquired from Soasta is 4.4 years. The intangible assets are being amortized based upon the pattern in which the economic benefits of the intangible assets are being utilized.

2016 Acquisitions

Cyberfend

On December 15, 2016, the Company acquired Cyberfend, an innovator in bot and automation detection solutions for web and mobile environments, for $37.5 million in initial consideration and up to an additional $10.5 million upon the achievement of post-closing milestones. The acquisition was intended to further strengthen the Company's existing bot management and mitigation services. The Company allocated $38.5 million of the cost of the acquisition to goodwill and $6.5 million to acquired intangible assets. The total weighted average useful life of the intangible assets acquired from Cyberfend is 3.6 years. The value of the goodwill from the acquisition can be attributed to a number of business factors including a trained technical workforce and cost synergies expected to be realized. The total amount of goodwill related to the acquisition of Cyberfend expected to be deducted for tax purposes is $11.0 million.

Soha

On October 3, 2016, the Company acquired Soha, a provider of technology designed to facilitate secure access to enterprise applications, for $55.0 million in initial consideration and up to an additional $5.0 million upon the achievement of post-closing milestones. The acquisition was intended to complement the Company's strategy of securing, protecting and accelerating enterprise applications and services in the cloud. The Company allocated $44.1 million of the cost of the acquisition to goodwill and $10.7 million to identifiable intangible assets. The total weighted average useful life of the intangible assets acquired from Soha is 4.7 years. The value of the goodwill is primarily attributable to synergies related to the integration of Soha technology onto the Company's platform as well as a trained technical workforce. The total amount of goodwill related to the acquisition of Soha expected to be deducted for tax purposes is $12.0 million.

Concord Systems

On September 23, 2016, the Company acquired Concord Systems, Inc. ("Concord"), a provider of technology for processing data at scale, for $3.0 million in cash. The acquisition was intended to provide the Company with technology to complement existing platform data processing capabilities. The Company allocated $1.1 million of the cost of the acquisition to goodwill and $2.8 million to an identifiable intangible asset with a useful life of 7.0 years. The value of the goodwill is primarily attributable to synergies related to the integration of Concord technology onto the Company's platform as well as a trained technical workforce. An insignificant portion of the goodwill related to the acquisition of Concord is expected to be deducted for tax purposes.