This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS12121 2 More Specifics 2 Total Advertisements IASERVICE, US
216.86.166.0/23 216.86.160.0/20
216.86.169.0/24 216.86.160.0/20
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 216.86.166.0/23 Announced
+ 216.86.169.0/24 Announced
whois: 402609
IANA has recorded AS12121 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS12121\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.
#
No match found for -Vjw1.0,2401:2000:6660::13 12121.
#
# 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.
#