This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402603
IANA has recorded AS4438 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4438\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: 4438
ASName: NEPTUNE
ASHandle: AS4438
RegDate: 1995-02-17
Updated: 1995-02-17
Ref: https://rdap.arin.net/registry/autnum/4438
OrgName: Neptune Travel Industry Network
OrgId: NTIN-1
Address: 2150 N.W. 70th Avenue
City: Miami
StateProv: FL
PostalCode: 33122
Country: US
RegDate: 1995-02-17
Updated: 2012-10-10
Ref: https://rdap.arin.net/registry/entity/NTIN-1
OrgTechHandle: BF96-ARIN
OrgTechName: Ferguson, Bob
OrgTechPhone: +1-305-597-8226
OrgTechEmail: bob@neptune.com
OrgTechRef: https://rdap.arin.net/registry/entity/BF96-ARIN
OrgAbuseHandle: BF96-ARIN
OrgAbuseName: Ferguson, Bob
OrgAbusePhone: +1-305-597-8226
OrgAbuseEmail: bob@neptune.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/BF96-ARIN
RTechHandle: BF96-ARIN
RTechName: Ferguson, Bob
RTechPhone: +1-305-597-8226
RTechEmail: bob@neptune.com
RTechRef: https://rdap.arin.net/registry/entity/BF96-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.
#