
20166 1FBUSA-1 - 1st Financial Bank USA, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 59716 AS20166 ORIGIN Originate: 256 /24.00 Transit: 0 /0.00 1FBUSA-1 - 1st Financial Bank USA, US
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 35395 AS20166 1FBUSA-1 - 1st Financial Bank USA, US 1 0 0 1 0 0.00% Prefix AS Path Aggregation Suggestion 8.39.15.0/24 4777 2516 3356 20166
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS20166 1 More Specifics 1 Total Advertisements 1FBUSA-1 - 1st Financial Bank USA, US
8.39.15.0/24 8.32.0.0/11
whois: 402603
IANA has recorded AS20166 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS20166\n
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ASNumber: 20166
ASName: 1FBUSA-1
ASHandle: AS20166
RegDate: 2005-06-01
Updated: 2005-06-01
Ref: https://rdap.arin.net/registry/autnum/20166
OrgName: 1st Financial Bank USA
OrgId: 1FBU
Address: 363 West Anchor Drive
City: Dakota Dunes
StateProv: SD
PostalCode: 57049
Country: US
RegDate: 2005-05-09
Updated: 2018-05-21
Ref: https://rdap.arin.net/registry/entity/1FBU
OrgTechHandle: RIZZO33-ARIN
OrgTechName: Rizzo, Ted
OrgTechPhone: +1-605-232-6792
OrgTechEmail: trizzo@1fbusa.com
OrgTechRef: https://rdap.arin.net/registry/entity/RIZZO33-ARIN
OrgAbuseHandle: NETWO862-ARIN
OrgAbuseName: Network Support
OrgAbusePhone: +1-605-232-6792
OrgAbuseEmail: NetworkSupport@1fbusa.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NETWO862-ARIN
OrgTechHandle: RIZZO1-ARIN
OrgTechName: Rizzo, Ted
OrgTechPhone: +1-605-232-6792
OrgTechEmail: trizzo@1fbusa.com
OrgTechRef: https://rdap.arin.net/registry/entity/RIZZO1-ARIN
OrgTechHandle: NETWO862-ARIN
OrgTechName: Network Support
OrgTechPhone: +1-605-232-6792
OrgTechEmail: NetworkSupport@1fbusa.com
OrgTechRef: https://rdap.arin.net/registry/entity/NETWO862-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.
#