Exhibit 21

As of December 31, 2020

        A table of subsidiaries of Liberty Broadband Corporation is set forth below, indicating as to each the state or jurisdiction of organization and the names under which such subsidiaries do business. Subsidiaries not included in the table are inactive or, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary.

Entity Name

Domicile

Alaska United Fiber System Partnership

AK

BBN, Inc.

AK

Bortek, LLC

DE

Broadband Holdco, LLC

DE

Celebrate Interactive LLC (fka Celebrate Interactive Holdings, LLC)

DE

Communication Capital, LLC

DE

Cycle30, Inc.

AK

Denali Media Anchorage, Corp.

AK

Denali Media Holdings, Corp.

AK

Denali Media Juneau, Corp.

AK

Denali Media Southeast, Corp.

AK

GCI Cable, Inc.

AK

GCI Communication Corp.

AK

GCI Fiber Communication Co., Inc.

AK

GCI Holdings, LLC

DE

GCI NADC LLC

AK

GCI SADC LLC

AK

GCI Wireless Holdings, LLC

AK

GCI, LLC

DE

Grizzly Merger Sub 1, LLC

DE

Integrated Logic LLC

AK

JJCK, LLC (dba EmFinders)

TX

Kodiak-Kenai Cable Company, LLC

AK

Kodiak Kenai Fiber Link, Inc.

AK

LBC Cheetah 1, LLC

DE

LBC Cheetah 5, LLC

DE

LBC Cheetah 6, LLC

DE

LMC Cheetah 1, LLC

DE

LMC Cheetah 4, LLC

DE

LMC Social, LLC

DE

LV Bridge, LLC

DE

Potter View Development Co., Inc.

AK

Provide Gifts, Inc.

DE

Skyhook Holding, Inc. (fka TruePosition, Inc.)

DE

Skyhook International, Inc.

DE

Skyhook Software Services Ltd.

China

Skyhook Wireless, Inc.

DE

Supervision, Inc.

AK

The Alaska Wireless Network, LLC

DE


TP Israel, LLC

DE

TP Nigeria, LLC (fka TruePosition Nigeria, LLC; fka TP Nigeria, LLC)

DE

TP UK, LLC

DE

Unicom, Inc.

AK

United Utilities, Inc.

AK

United2, LLC

AK

United-KUC, Inc.

AK

Ventures Holdco, LLC

DE

Ventures Holdco II, LLC

DE

Yukon Tech, Inc.

AK

Yukon Telephone Company, Inc.

AK