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 AS4389 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4389\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: 4389
ASName: DSERVE-ASN
ASHandle: AS4389
RegDate: 1995-02-15
Updated: 2017-04-28
Ref: https://rdap.arin.net/registry/autnum/4389
OrgName: DataServe LTD
OrgId: DATASE-9
Address: PO BOX 1082
City: Bothell
StateProv: WA
PostalCode: 98011
Country: US
RegDate: 1995-02-15
Updated: 2017-04-28
Ref: https://rdap.arin.net/registry/entity/DATASE-9
OrgAbuseHandle: AM581-ARIN
OrgAbuseName: Moreau-Cook, Aaron J
OrgAbusePhone: +1-425-954-7502
OrgAbuseEmail: neteng@microright.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AM581-ARIN
OrgTechHandle: AM581-ARIN
OrgTechName: Moreau-Cook, Aaron J
OrgTechPhone: +1-425-954-7502
OrgTechEmail: neteng@microright.com
OrgTechRef: https://rdap.arin.net/registry/entity/AM581-ARIN
RAbuseHandle: AM581-ARIN
RAbuseName: Moreau-Cook, Aaron J
RAbusePhone: +1-425-954-7502
RAbuseEmail: neteng@microright.com
RAbuseRef: https://rdap.arin.net/registry/entity/AM581-ARIN
RTechHandle: AM581-ARIN
RTechName: Moreau-Cook, Aaron J
RTechPhone: +1-425-954-7502
RTechEmail: neteng@microright.com
RTechRef: https://rdap.arin.net/registry/entity/AM581-ARIN
RNOCHandle: AM581-ARIN
RNOCName: Moreau-Cook, Aaron J
RNOCPhone: +1-425-954-7502
RNOCEmail: neteng@microright.com
RNOCRef: https://rdap.arin.net/registry/entity/AM581-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.
#