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The Universal Principle Name
miscellaneous | unclassified
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Unapproved Parts Notifications
miscellaneous | unclassified
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miscellaneous | unclassified
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international | spanish
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miscellaneous | unclassified
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miscellaneous | unclassified
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community | media
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miscellaneous | unclassified
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United Programming Network
miscellaneous | unclassified
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Union Patriótico Nacional (national Patriotic Union)
international | guatemalan
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Ubiquitous Public Network
miscellaneous | funnies
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regional | airport codes
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Undergraduate Pipeline Network
miscellaneous | unclassified
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miscellaneous | unclassified
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miscellaneous | unclassified
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academic & science | universities
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Unified Physicians Network
miscellaneous | unclassified
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University Physicians Network
academic & science | universities
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computing | security
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community | media
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community | sports
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miscellaneous | funnies
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miscellaneous | funnies
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miscellaneous | unclassified
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Universal Process Notation
miscellaneous | unclassified
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governmental | nasa
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Unversity Physicians Network
miscellaneous | unclassified
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miscellaneous | unclassified
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miscellaneous | unclassified
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Unrelenting Punishment Network
miscellaneous | funnies
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miscellaneous | funnies
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United Protectors Network
community | law & legal
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governmental | transportation
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Universidad Pedagógica Nacional
academic & science | universities
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governmental | us government