15157 NORWORLD, US
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS13576 SDNW-13576, US
AS174 COGENT-174, US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 44537 AS15157 ORIGIN Originate: 768 /22.42 Transit: 0 /0.00 NORWORLD, 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 % 21073 AS15157 NORWORLD, US 3 2 1 2 1 33.33% Prefix AS Path Aggregation Suggestion 199.3.108.0/23 3303 174 15157 15157 + Announce - aggregate of 199.3.108.0/24 (3303 174 15157 15157) and 199.3.109.0/24 (3303 174 15157 15157) 199.3.108.0/24 3303 174 15157 15157 - Withdrawn - aggregated with 199.3.109.0/24 (3303 174 15157 15157) 199.3.109.0/24 3303 174 15157 15157 - Withdrawn - aggregated with 199.3.108.0/24 (3303 174 15157 15157) 206.107.235.0/24 3303 174 15157 15157
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS15157 3 More Specifics 3 Total Advertisements NORWORLD, US
199.3.108.0/24 199.0.0.0/14
199.3.109.0/24 199.0.0.0/14
206.107.235.0/24 206.104.0.0/14
whois: 402603
IANA has recorded AS15157 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS15157\n
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ASNumber: 15157
ASName: NORWORLD
ASHandle: AS15157
RegDate: 2000-03-27
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/15157
OrgName: NORTHWESTERN CORPORATION
OrgId: NORTHW-28
Address: 125 S. Dakota Ave.
City: Sioux Falls
StateProv: SD
PostalCode: 57104
Country: US
RegDate: 1999-10-22
Updated: 2023-12-12
Ref: https://rdap.arin.net/registry/entity/NORTHW-28
OrgAbuseHandle: SC1244-ARIN
OrgAbuseName: Cleverly, Sean
OrgAbusePhone: +1-406-497-4131
OrgAbuseEmail: Sean.Cleverly@northwestern.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/SC1244-ARIN
OrgRoutingHandle: FERRI236-ARIN
OrgRoutingName: Ferriter, Kelly
OrgRoutingPhone: +1-406-497-4585
OrgRoutingEmail: kelly.ferriter@northwestern.com
OrgRoutingRef: https://rdap.arin.net/registry/entity/FERRI236-ARIN
OrgTechHandle: WILSO1898-ARIN
OrgTechName: Wilson, Theron
OrgTechPhone: +1-406-497-1652
OrgTechEmail: theron.wilson@northwestern.com
OrgTechRef: https://rdap.arin.net/registry/entity/WILSO1898-ARIN
RTechHandle: SC1244-ARIN
RTechName: Cleverly, Sean
RTechPhone: +1-406-497-4131
RTechEmail: Sean.Cleverly@northwestern.com
RTechRef: https://rdap.arin.net/registry/entity/SC1244-ARIN
RAbuseHandle: SC1244-ARIN
RAbuseName: Cleverly, Sean
RAbusePhone: +1-406-497-4131
RAbuseEmail: Sean.Cleverly@northwestern.com
RAbuseRef: https://rdap.arin.net/registry/entity/SC1244-ARIN
RTechHandle: LHG8-ARIN
RTechName: Gates, Lorrie H
RTechPhone: +1-406-497-2870
RTechEmail: lorrie.gates@northwestern.com
RTechRef: https://rdap.arin.net/registry/entity/LHG8-ARIN
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# 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.
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