397142 FORT-COLLINS-CONNEXION, US
Adjacency: 7 Upstream: 3 Downstream: 4
Upstream Adjacent AS list
AS393552 COL-LPC, US
AS174 COGENT-174, US
AS6939 HURRICANE, US
Downstream Adjacent AS list
AS19637 AVG19637, US
AS19647 HPINC, US
AS397377 ESTES-PARK, US
AS394838 PULSE, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5067 AS397142 ORG+TRN Originate: 36096 /16.86 Transit: 32768 /17.00 FORT-COLLINS-CONNEXION, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 75559 AS397142 FORT-COLLINS-CONNEXION, US 13 0 0 13 0 0.00% Prefix AS Path Aggregation Suggestion 23.163.32.0/24 6939 397142 38.15.32.0/19 6939 397142 38.75.232.0/21 6939 397142 38.80.148.0/22 6939 397142 38.147.232.0/21 6939 397142 38.175.160.0/19 6939 397142 38.246.0.0/19 6939 397142 167.94.176.0/20 6939 397142 192.251.149.0/24 6939 397142 198.99.80.0/22 6939 397142 204.107.184.0/24 6939 397142 204.133.79.0/24 6939 397142 204.133.83.0/24 6939 397142
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS397142 6 More Specifics 11 Total Advertisements FORT-COLLINS-CONNEXION, US
38.15.32.0/19 38.0.0.0/8
38.75.232.0/21 38.0.0.0/8
38.80.148.0/22 38.0.0.0/8
38.147.232.0/21 38.0.0.0/8
204.133.79.0/24 204.132.0.0/15
204.133.83.0/24 204.132.0.0/15
38.175.160.0/19 38.0.0.0/8
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 38.175.160.0/19 Withdrawn
whois: 402551
IANA has recorded AS397142 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS397142\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 397142
ASName: FORT-COLLINS-CONNEXION
ASHandle: AS397142
RegDate: 2018-10-30
Updated: 2018-10-30
Ref: https://rdap.arin.net/registry/autnum/397142
OrgName: City of Fort Collins
OrgId: CFC
Address: 700 Wood St
City: Fort Collins
StateProv: CO
PostalCode: 80521
Country: US
RegDate: 1992-12-03
Updated: 2024-11-25
Ref: https://rdap.arin.net/registry/entity/CFC
OrgDNSHandle: FCCNE-ARIN
OrgDNSName: Fort Collins Connexion Network Engineering
OrgDNSPhone: +1-970-207-7873
OrgDNSEmail: neteng@fcgov.com
OrgDNSRef: https://rdap.arin.net/registry/entity/FCCNE-ARIN
OrgNOCHandle: FCCNE-ARIN
OrgNOCName: Fort Collins Connexion Network Engineering
OrgNOCPhone: +1-970-207-7873
OrgNOCEmail: neteng@fcgov.com
OrgNOCRef: https://rdap.arin.net/registry/entity/FCCNE-ARIN
OrgRoutingHandle: FCCNE-ARIN
OrgRoutingName: Fort Collins Connexion Network Engineering
OrgRoutingPhone: +1-970-207-7873
OrgRoutingEmail: neteng@fcgov.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/FCCNE-ARIN
OrgAbuseHandle: FCCADC-ARIN
OrgAbuseName: Fort Collins Connexion Abuse and DMCA Compliance
OrgAbusePhone: +1-970-207-7873
OrgAbuseEmail: abuse@fcconnexion.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/FCCADC-ARIN
OrgTechHandle: FCCNE-ARIN
OrgTechName: Fort Collins Connexion Network Engineering
OrgTechPhone: +1-970-207-7873
OrgTechEmail: neteng@fcgov.com
OrgTechRef: https://rdap.arin.net/registry/entity/FCCNE-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#