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 AS4437 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4437\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: 4437
ASName: WEBB
ASHandle: AS4437
RegDate: 1995-02-17
Updated: 1995-02-17
Ref: https://rdap.arin.net/registry/autnum/4437
OrgName: Webb Systems
OrgId: WEBBSY
Address: 300 Albany Turnpike
City: Canton
StateProv: CT
PostalCode: 06019
Country: US
RegDate: 1995-02-17
Updated: 2012-10-10
Ref: https://rdap.arin.net/registry/entity/WEBBSY
OrgAbuseHandle: CW59-ARIN
OrgAbuseName: Webb, Charley
OrgAbusePhone: +1-860-693-2448
OrgAbuseEmail: charley@esslink.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/CW59-ARIN
OrgTechHandle: CW59-ARIN
OrgTechName: Webb, Charley
OrgTechPhone: +1-860-693-2448
OrgTechEmail: charley@esslink.com
OrgTechRef: https://rdap.arin.net/registry/entity/CW59-ARIN
RTechHandle: CW59-ARIN
RTechName: Webb, Charley
RTechPhone: +1-860-693-2448
RTechEmail: charley@esslink.com
RTechRef: https://rdap.arin.net/registry/entity/CW59-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.
#