18870 GWB - Great Western Bank, US
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS13576 SDNW-13576 - SDN Communications, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 48454 AS18870 ORIGIN Originate: 512 /23.00 Transit: 0 /0.00 GWB - Great Western Bank, 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 % 21480 AS18870 GWB - Great Western Bank, US 2 2 1 1 1 50.00% Prefix AS Path Aggregation Suggestion 192.40.218.0/23 4777 6939 13576 18870 + Announce - aggregate of 192.40.218.0/24 (4777 6939 13576 18870) and 192.40.219.0/24 (4777 6939 13576 18870) 192.40.218.0/24 4777 6939 13576 18870 - Withdrawn - aggregated with 192.40.219.0/24 (4777 6939 13576 18870) 192.40.219.0/24 4777 6939 13576 18870 - Withdrawn - aggregated with 192.40.218.0/24 (4777 6939 13576 18870)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS18870 2 More Specifics 2 Total Advertisements GWB - Great Western Bank, US
192.40.218.0/24 192.40.218.0/23
192.40.219.0/24 192.40.218.0/23
whois: 402332
IANA has recorded AS18870 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18870\n
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 18870
ASName: GWB
ASHandle: AS18870
RegDate: 2012-10-03
Updated: 2012-12-31
Ref: https://rdap.arin.net/registry/autnum/18870
OrgName: Great Western Bank
OrgId: GWB-3
Address: 225 S Main Ave
City: Sioux Falls
StateProv: SD
PostalCode: 57104
Country: US
RegDate: 2012-08-29
Updated: 2024-04-01
Ref: https://rdap.arin.net/registry/entity/GWB-3
OrgTechHandle: ASKEP-ARIN
OrgTechName: Aske, Phillip
OrgTechPhone: +1-509-992-9651
OrgTechEmail: Phillip.Aske@fib.com
OrgTechRef: https://rdap.arin.net/registry/entity/ASKEP-ARIN
OrgTechHandle: KLIME16-ARIN
OrgTechName: Klimes, Aaron
OrgTechPhone: +1-605-370-6784
OrgTechEmail: aaron.klimes@fib.com
OrgTechRef: https://rdap.arin.net/registry/entity/KLIME16-ARIN
OrgAbuseHandle: ASKEP-ARIN
OrgAbuseName: Aske, Phillip
OrgAbusePhone: +1-509-992-9651
OrgAbuseEmail: Phillip.Aske@fib.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ASKEP-ARIN
OrgAbuseHandle: KLIME16-ARIN
OrgAbuseName: Klimes, Aaron
OrgAbusePhone: +1-605-370-6784
OrgAbuseEmail: aaron.klimes@fib.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/KLIME16-ARIN
OrgNOCHandle: NOC12963-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-605-553-9470
OrgNOCEmail: fib.network@fib.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC12963-ARIN
OrgRoutingHandle: ASKEP-ARIN
OrgRoutingName: Aske, Phillip
OrgRoutingPhone: +1-509-992-9651
OrgRoutingEmail: Phillip.Aske@fib.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/ASKEP-ARIN
OrgRoutingHandle: KLIME16-ARIN
OrgRoutingName: Klimes, Aaron
OrgRoutingPhone: +1-605-370-6784
OrgRoutingEmail: aaron.klimes@fib.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/KLIME16-ARIN
OrgAbuseHandle: NOC12963-ARIN
OrgAbuseName: Network Operations Center
OrgAbusePhone: +1-605-553-9470
OrgAbuseEmail: fib.network@fib.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC12963-ARIN
OrgTechHandle: NOC12963-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-605-553-9470
OrgTechEmail: fib.network@fib.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC12963-ARIN
OrgDNSHandle: KLIME16-ARIN
OrgDNSName: Klimes, Aaron
OrgDNSPhone: +1-605-370-6784
OrgDNSEmail: aaron.klimes@fib.com
OrgDNSRef: https://rdap.arin.net/registry/entity/KLIME16-ARIN
OrgDNSHandle: ASKEP-ARIN
OrgDNSName: Aske, Phillip
OrgDNSPhone: +1-509-992-9651
OrgDNSEmail: Phillip.Aske@fib.com
OrgDNSRef: https://rdap.arin.net/registry/entity/ASKEP-ARIN
OrgNOCHandle: ASKEP-ARIN
OrgNOCName: Aske, Phillip
OrgNOCPhone: +1-509-992-9651
OrgNOCEmail: Phillip.Aske@fib.com
OrgNOCRef: https://rdap.arin.net/registry/entity/ASKEP-ARIN
OrgNOCHandle: KLIME16-ARIN
OrgNOCName: Klimes, Aaron
OrgNOCPhone: +1-605-370-6784
OrgNOCEmail: aaron.klimes@fib.com
OrgNOCRef: https://rdap.arin.net/registry/entity/KLIME16-ARIN
RAbuseHandle: NOC12963-ARIN
RAbuseName: Network Operations Center
RAbusePhone: +1-605-553-9470
RAbuseEmail: fib.network@fib.com
RAbuseRef: https://rdap.arin.net/registry/entity/NOC12963-ARIN
RTechHandle: NOC12963-ARIN
RTechName: Network Operations Center
RTechPhone: +1-605-553-9470
RTechEmail: fib.network@fib.com
RTechRef: https://rdap.arin.net/registry/entity/NOC12963-ARIN
RNOCHandle: NOC12963-ARIN
RNOCName: Network Operations Center
RNOCPhone: +1-605-553-9470
RNOCEmail: fib.network@fib.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC12963-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.
#