This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402609
IANA has recorded AS399975 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS399975\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: 399975
ASName: NSWAT
ASHandle: AS399975
RegDate: 2021-08-20
Updated: 2024-08-07
Ref: https://rdap.arin.net/registry/autnum/399975
OrgName: NetSWAT LLC
OrgId: NL-771
Address: 43780 Digital Loudoun Plz Bldg H
City: Ashburn
StateProv: VA
PostalCode: 20147
Country: US
RegDate: 2021-03-15
Updated: 2026-05-07
Ref: https://rdap.arin.net/registry/entity/NL-771
OrgNOCHandle: NETSW8-ARIN
OrgNOCName: Netswat operations
OrgNOCPhone: +1-434-533-0457
OrgNOCEmail: noc@netswat.ai
OrgNOCRef: https://rdap.arin.net/registry/entity/NETSW8-ARIN
OrgRoutingHandle: NETSW6-ARIN
OrgRoutingName: NetSWAT
OrgRoutingPhone: +1-434-533-0457
OrgRoutingEmail: dns@netswat.ai
OrgRoutingRef: https://rdap.arin.net/registry/entity/NETSW6-ARIN
OrgDNSHandle: NETSW6-ARIN
OrgDNSName: NetSWAT
OrgDNSPhone: +1-434-533-0457
OrgDNSEmail: dns@netswat.ai
OrgDNSRef: https://rdap.arin.net/registry/entity/NETSW6-ARIN
OrgAbuseHandle: NETSW7-ARIN
OrgAbuseName: Netswat Abuse
OrgAbusePhone: +1-434-533-0457
OrgAbuseEmail: abuse@netswat.ai
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETSW7-ARIN
OrgTechHandle: NETSW6-ARIN
OrgTechName: NetSWAT
OrgTechPhone: +1-434-533-0457
OrgTechEmail: dns@netswat.ai
OrgTechRef: https://rdap.arin.net/registry/entity/NETSW6-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.
#