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ASN Lookup Tool
AS12145 COLORADOSTATEUNIV

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS12145
Organisation
Colorado State University
Name
COLORADOSTATEUNIV
Total IPv4 Addresses
81,664
Total IPv4 Prefixes
9
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,274 out of 79,188
Registry
Arin
Registered Country
US flagUS
Registered Country Name
United States of America (the)
Registered Date
Registration Last Change
2022-07-14
Receiving From
ASN
Organisation
AS14041
US flagUniversity Corporation for Atmospheric Research
Transit To
ASN
Organisation
AS54060
US flagPoudre School District R-1
AS394748
US flagCity of Fort Collins
AS31991
US flagPlatte River Power Authority
AS54669
US flagLarimer County Government
AS25825
US flagPoudre Valley Health Care, Inc.
IPv4 Active Prefixes
PrefixRange FromRange To
129.19.0.0/23129.19.0.0129.19.1.255
129.19.2.0/24129.19.2.0129.19.2.255
129.19.3.0/24129.19.3.0129.19.3.255
129.19.4.0/23129.19.4.0129.19.5.255
129.19.7.0/24129.19.7.0129.19.7.255
Showing 5 of 9