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.
AS11491 3 More Specifics 5 Total Advertisements TRIVALENT-GROUP-NEW, US
216.120.144.0/24 216.120.144.0/23
216.120.145.0/24 216.120.144.0/23
216.120.166.0/24 216.120.166.0/23
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 216.120.130.0/24 Announced
+ 216.120.166.0/24 Announced
whois: 402590
IANA has recorded AS11491 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS11491\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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
ASNumber: 11491
ASName: TRIVALENT-GROUP-NEW
ASHandle: AS11491
RegDate: 1998-09-10
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/11491
OrgName: Rehmann Technology Solutions, LLC
OrgId: TRIVA-3
Address: 2330 East Paris Ave SE
City: Grand Rapids
StateProv: MI
PostalCode: 49546
Country: US
RegDate: 2005-11-08
Updated: 2026-02-25
Ref: https://rdap.arin.net/registry/entity/TRIVA-3
OrgTechHandle: NN603-ARIN
OrgTechName: Netops
OrgTechPhone: +1-616-222-9200
OrgTechEmail: AP.RTS@Rehmann.com
OrgTechRef: https://rdap.arin.net/registry/entity/NN603-ARIN
OrgTechHandle: JAB367-ARIN
OrgTechName: Bruxvoort, Jim Alan
OrgTechPhone: +1-616-301-6309
OrgTechEmail: jim.bruxvoort@rehmann.com
OrgTechRef: https://rdap.arin.net/registry/entity/JAB367-ARIN
OrgAbuseHandle: NN603-ARIN
OrgAbuseName: Netops
OrgAbusePhone: +1-616-222-9200
OrgAbuseEmail: AP.RTS@Rehmann.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NN603-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.
#