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ASN Lookup Tool
AS397142 FORT-COLLINS-CONNEXION

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS397142
Organisation
City of Fort Collins
Name
FORT-COLLINS-CONNEXION
Total IPv4 Addresses
27904
Total IPv4 Prefixes
12
Total IPv6 Prefixes
35
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#5,484 out of 77,438
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2018-10-30
Registration Last Change
2018-10-30
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS174
US flagCogent Communications
AS4181
US flagTDS TELECOM
AS6939
US flagHurricane Electric LLC
AS14041
US flagUniversity Corporation for Atmospheric Research
AS13760
US flagUniti Fiber Holdings Inc.
Showing 5 of 9
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS393552
US flagLongmont Power & Communications
AS394838
US flagPulse
AS19647
US flagHP Inc.
AS397377
US flagTown of Estes Park
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix23.163.32.0/24
Range From23.163.32.0
Range To23.163.32.255
Prefix38.15.32.0/19
Range From38.15.32.0
Range To38.15.63.255
Prefix38.75.232.0/21
Range From38.75.232.0
Range To38.75.239.255
Prefix38.80.148.0/22
Range From38.80.148.0
Range To38.80.151.255
Prefix38.147.232.0/21
Range From38.147.232.0
Range To38.147.239.255
Showing 5 of 12
IPv6 Active Prefixes
Prefix2605:b40::/36
Range From2605:b40::
Range To2605:b40:fff:ffff:ffff:ffff:ffff:ffff
Prefix2605:b40:1000::/40
Range From2605:b40:1000::
Range To2605:b40:10ff:ffff:ffff:ffff:ffff:ffff
Prefix2605:b40:1100::/40
Range From2605:b40:1100::
Range To2605:b40:11ff:ffff:ffff:ffff:ffff:ffff
Prefix2605:b40:1200::/40
Range From2605:b40:1200::
Range To2605:b40:12ff:ffff:ffff:ffff:ffff:ffff
Prefix2605:b40:1300::/40
Range From2605:b40:1300::
Range To2605:b40:13ff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 35
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.