This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402332
IANA has recorded AS4127 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4127\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: 4127
ASName: DUPONT-SCD
ASHandle: AS4127
RegDate: 1994-12-01
Updated: 1994-12-01
Ref: https://rdap.arin.net/registry/autnum/4127
OrgName: DuPont Scientific Computing
OrgId: DSC-78
Address: Rt. 141 Experimental Station
Address: P.O. Box 80320
City: Wilmington
StateProv: DE
PostalCode: 19880-0320
Country: US
RegDate: 1994-12-01
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/DSC-78
OrgTechHandle: NMM-ARIN
OrgTechName: Minnich, N. Michael Michael
OrgTechPhone: +1-302-295-6647
OrgTechEmail: mike.minnich@dupont.com
OrgTechRef: https://rdap.arin.net/registry/entity/NMM-ARIN
OrgAbuseHandle: NMM-ARIN
OrgAbuseName: Minnich, N. Michael Michael
OrgAbusePhone: +1-302-295-6647
OrgAbuseEmail: mike.minnich@dupont.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NMM-ARIN
RTechHandle: NMM-ARIN
RTechName: Minnich, N. Michael Michael
RTechPhone: +1-302-295-6647
RTechEmail: mike.minnich@dupont.com
RTechRef: https://rdap.arin.net/registry/entity/NMM-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.
#