128.138.101.141 — Denver, Colorado, 🇺🇸 USA · AS104 COLORADO-AS
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AS104
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Prefix 128.138.0.0/16
128.138.101.141
PTR
mail.
cubookstore.com
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mail.
cubookstore.com
A
128.138.101.141
cubs-hermes.
colorado.edu
A
128.138.101.141
Previously A record for
cubookstore.
com
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128.138.0.0/16
66K IPs · AS104 COLORADO-AS
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AS104
COLORADO-AS autonomous system
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Denver, Colorado, 🇺🇸 USA
🇺🇸
COLORADO-AS
128.138.0.0/16
University of Colorado Boulder
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PTR
A record for
Previously A record for
