This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402590
IANA has recorded AS31899 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS31899\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: 31899
ASName: Z57-AS-1
ASHandle: AS31899
RegDate: 2014-03-27
Updated: 2021-08-11
Ref: https://rdap.arin.net/registry/autnum/31899
OrgName: Z57, LLC
OrgId: ZINC-2
Address: 10045 Mesa Rim Road
Address: Suite #3
City: San Diego
StateProv: CA
PostalCode: 92121
Country: US
RegDate: 2014-02-06
Updated: 2024-01-17
Ref: https://rdap.arin.net/registry/entity/ZINC-2
OrgTechHandle: NOA23-ARIN
OrgTechName: Network Operations Administrator
OrgTechPhone: +1-425-952-6772
OrgTechEmail: chris.beahm@marketleader.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOA23-ARIN
OrgAbuseHandle: NOA23-ARIN
OrgAbuseName: Network Operations Administrator
OrgAbusePhone: +1-425-952-6772
OrgAbuseEmail: chris.beahm@marketleader.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOA23-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.
#