This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS399791 6 More Specifics 6 Total Advertisements PROCARE-MSO, US
8.40.103.0/24 8.32.0.0/11
8.45.61.0/24 8.32.0.0/11
38.146.222.0/24 38.0.0.0/8
38.146.223.0/24 38.0.0.0/8
66.118.252.0/24 66.118.252.0/23
66.118.253.0/24 66.118.252.0/23
whois: 402590
IANA has recorded AS399791 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS399791\n
#
# 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.
#
ASNumber: 399791
ASName: PROCARE-MSO
ASHandle: AS399791
RegDate: 2021-06-22
Updated: 2021-06-22
Ref: https://rdap.arin.net/registry/autnum/399791
OrgName: Procare MSO, LLC
OrgId: PML-173
Address: 230 Sea Ln
City: Farmingdale
StateProv: NY
PostalCode: 11735
Country: US
RegDate: 2021-06-17
Updated: 2021-06-23
Ref: https://rdap.arin.net/registry/entity/PML-173
OrgTechHandle: ENGIN254-ARIN
OrgTechName: Engineering
OrgTechPhone: +1-571-456-1113
OrgTechEmail: rob.oneal@procareltc.com
OrgTechRef: https://rdap.arin.net/registry/entity/ENGIN254-ARIN
OrgAbuseHandle: ENGIN254-ARIN
OrgAbuseName: Engineering
OrgAbusePhone: +1-571-456-1113
OrgAbuseEmail: rob.oneal@procareltc.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ENGIN254-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.
#