This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402584
IANA has recorded AS51856 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS51856\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: 51856
ASName: SRSP-4-51856
ASHandle: AS51856
RegDate: 2024-12-10
Updated: 2024-12-10
Ref: https://rdap.arin.net/registry/autnum/51856
OrgName: Aubrey Rose
OrgId: SRSP-4
Address: 10 Stanley Street
City: Attleboro
StateProv: MA
PostalCode: 02703
Country: US
RegDate: 2022-02-14
Updated: 2025-07-17
Ref: https://rdap.arin.net/registry/entity/SRSP-4
OrgNOCHandle: ROSEA6-ARIN
OrgNOCName: Rose, Aubrey
OrgNOCPhone: +1-617-657-1388
OrgNOCEmail: aubrey_arin@7circles.moe
OrgNOCRef: https://rdap.arin.net/registry/entity/ROSEA6-ARIN
OrgAbuseHandle: ROSEA6-ARIN
OrgAbuseName: Rose, Aubrey
OrgAbusePhone: +1-617-657-1388
OrgAbuseEmail: aubrey_arin@7circles.moe
OrgAbuseRef: https://rdap.arin.net/registry/entity/ROSEA6-ARIN
OrgTechHandle: ROSEA6-ARIN
OrgTechName: Rose, Aubrey
OrgTechPhone: +1-617-657-1388
OrgTechEmail: aubrey_arin@7circles.moe
OrgTechRef: https://rdap.arin.net/registry/entity/ROSEA6-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.
#