
19254 KOCH-INDUSTRIES - Koch Industries, Inc., US
Adjacency: 5 Upstream: 5 Downstream: 0
Upstream Adjacent AS list
AS13335 CLOUDFLARENET - Cloudflare, Inc., US
AS3257 GTT-BACKBONE - GTT Communications Inc., US
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS4637 ASN-TELSTRA-GLOBAL - Telstra Global, HK
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 4927 AS19254 ORIGIN Originate: 37376 /16.81 Transit: 0 /0.00 KOCH-INDUSTRIES - Koch Industries, Inc., 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 % 2295 AS19254 KOCH-INDUSTRIES - Koch Industries, Inc., US 41 27 3 17 24 58.54% Prefix AS Path Aggregation Suggestion 146.209.128.0/20 4777 2497 3356 19254 146.209.144.0/22 4777 2497 3356 19254 146.209.148.0/22 4608 13335 19254 + Announce - aggregate of 146.209.148.0/23 (4608 13335 19254) and 146.209.150.0/23 (4608 13335 19254) 146.209.148.0/24 4608 13335 19254 - Withdrawn - aggregated with 146.209.149.0/24 (4608 13335 19254) 146.209.149.0/24 4608 13335 19254 - Withdrawn - aggregated with 146.209.148.0/24 (4608 13335 19254) 146.209.150.0/24 4608 13335 19254 - Withdrawn - aggregated with 146.209.151.0/24 (4608 13335 19254) 146.209.151.0/24 4608 13335 19254 - Withdrawn - aggregated with 146.209.150.0/24 (4608 13335 19254) 146.209.152.0/21 4777 2497 3356 19254 146.209.159.0/24 4777 2497 3356 19254 - Withdrawn - matching aggregate 146.209.152.0/21 4777 2497 3356 19254 146.209.222.0/23 4608 13335 19254 + Announce - aggregate of 146.209.222.0/24 (4608 13335 19254) and 146.209.223.0/24 (4608 13335 19254) 146.209.222.0/24 4608 13335 19254 - Withdrawn - aggregated with 146.209.223.0/24 (4608 13335 19254) 146.209.223.0/24 4608 13335 19254 - Withdrawn - aggregated with 146.209.222.0/24 (4608 13335 19254) 146.209.224.0/23 4777 2516 3356 19254 146.209.224.0/24 4777 2516 3356 19254 - Withdrawn - matching aggregate 146.209.224.0/23 4777 2516 3356 19254 146.209.225.0/24 4777 2516 3356 19254 - Withdrawn - matching aggregate 146.209.224.0/23 4777 2516 3356 19254 146.209.232.0/24 4777 2516 3356 19254 151.123.64.0/21 4777 2516 3356 19254 151.123.64.0/22 4777 2516 3356 19254 - Withdrawn - matching aggregate 151.123.64.0/21 4777 2516 3356 19254 151.123.68.0/22 4777 2516 3356 19254 - Withdrawn - matching aggregate 151.123.64.0/21 4777 2516 3356 19254 151.123.71.0/24 4777 2516 3356 19254 - Withdrawn - matching aggregate 151.123.64.0/21 4777 2516 3356 19254 151.123.72.0/21 4777 2497 3356 19254 151.123.72.0/22 4777 2497 3356 19254 - Withdrawn - matching aggregate 151.123.72.0/21 4777 2497 3356 19254 151.123.76.0/22 4777 2497 3356 19254 - Withdrawn - matching aggregate 151.123.72.0/21 4777 2497 3356 19254 151.123.80.0/21 4777 2516 3356 19254 151.123.80.0/22 4777 2516 3356 19254 - Withdrawn - matching aggregate 151.123.80.0/21 4777 2516 3356 19254 151.123.84.0/22 4777 2516 3356 19254 - Withdrawn - matching aggregate 151.123.80.0/21 4777 2516 3356 19254 151.123.87.0/24 4777 2516 3356 19254 - Withdrawn - matching aggregate 151.123.80.0/21 4777 2516 3356 19254 151.123.88.0/21 4777 2497 7018 19254 151.123.88.0/22 4777 2497 7018 19254 - Withdrawn - matching aggregate 151.123.88.0/21 4777 2497 7018 19254 151.123.92.0/22 4777 2497 7018 19254 - Withdrawn - matching aggregate 151.123.88.0/21 4777 2497 7018 19254 151.123.95.0/24 4777 2497 7018 19254 - Withdrawn - matching aggregate 151.123.88.0/21 4777 2497 7018 19254 151.123.126.0/24 4777 2497 3257 19254 198.178.69.0/24 4608 1221 4637 19254 198.178.78.0/23 4777 2497 3356 19254 198.178.78.0/24 4777 2497 3356 19254 - Withdrawn - matching aggregate 198.178.78.0/23 4777 2497 3356 19254 205.132.112.0/21 4777 2497 7018 19254 205.132.112.0/22 4777 2497 7018 19254 - Withdrawn - matching aggregate 205.132.112.0/21 4777 2497 7018 19254 205.132.116.0/22 4777 2497 7018 19254 - Withdrawn - matching aggregate 205.132.112.0/21 4777 2497 7018 19254 206.220.176.0/21 4777 2516 3356 19254 206.220.176.0/22 4777 2516 3356 19254 - Withdrawn - matching aggregate 206.220.176.0/21 4777 2516 3356 19254 206.220.176.0/23 4608 13335 19254 + Announce - aggregate of 206.220.176.0/24 (4608 13335 19254) and 206.220.177.0/24 (4608 13335 19254) 206.220.176.0/24 4608 13335 19254 - Withdrawn - aggregated with 206.220.177.0/24 (4608 13335 19254) 206.220.177.0/24 4608 13335 19254 - Withdrawn - aggregated with 206.220.176.0/24 (4608 13335 19254) 206.220.180.0/22 4777 2516 3356 19254 - Withdrawn - matching aggregate 206.220.176.0/21 4777 2516 3356 19254
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS19254 39 More Specifics 41 Total Advertisements KOCH-INDUSTRIES - Koch Industries, Inc., US
146.209.128.0/20 146.209.0.0/16
146.209.144.0/22 146.209.0.0/16
146.209.148.0/24 146.209.0.0/16
146.209.149.0/24 146.209.0.0/16
146.209.150.0/24 146.209.0.0/16
146.209.151.0/24 146.209.0.0/16
146.209.152.0/21 146.209.0.0/16
146.209.159.0/24 146.209.0.0/16
146.209.222.0/24 146.209.0.0/16
146.209.223.0/24 146.209.0.0/16
146.209.224.0/23 146.209.0.0/16
146.209.224.0/24 146.209.0.0/16
146.209.225.0/24 146.209.0.0/16
146.209.232.0/24 146.209.0.0/16
151.123.64.0/21 151.123.64.0/18
151.123.64.0/22 151.123.64.0/18
151.123.68.0/22 151.123.64.0/18
151.123.71.0/24 151.123.64.0/18
151.123.72.0/21 151.123.64.0/18
151.123.72.0/22 151.123.64.0/18
151.123.76.0/22 151.123.64.0/18
151.123.80.0/21 151.123.64.0/18
151.123.80.0/22 151.123.64.0/18
151.123.84.0/22 151.123.64.0/18
151.123.87.0/24 151.123.64.0/18
151.123.88.0/21 151.123.64.0/18
151.123.88.0/22 151.123.64.0/18
151.123.92.0/22 151.123.64.0/18
151.123.95.0/24 151.123.64.0/18
151.123.126.0/24 151.123.64.0/18
198.178.69.0/24 198.178.64.0/19
198.178.78.0/23 198.178.64.0/19
198.178.78.0/24 198.178.64.0/19
205.132.112.0/22 205.132.112.0/21
205.132.116.0/22 205.132.112.0/21
206.220.176.0/22 206.220.176.0/21
206.220.176.0/24 206.220.176.0/21
206.220.177.0/24 206.220.176.0/21
206.220.180.0/22 206.220.176.0/21
whois: 402591
IANA has recorded AS19254 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS19254\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# If you see inaccuracies in the results, please report at
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 19254
ASName: KOCH-INDUSTRIES
ASHandle: AS19254
RegDate: 2019-08-02
Updated: 2019-08-02
Ref: https://rdap.arin.net/registry/autnum/19254
OrgName: Koch Industries, Inc.
OrgId: KOCHIN
Address: 4111 E 37th N
City: Wichita
StateProv: KS
PostalCode: 67220
Country: US
RegDate: 1994-12-02
Updated: 2019-07-30
Ref: https://rdap.arin.net/registry/entity/KOCHIN
OrgTechHandle: IK49-ARIN
OrgTechName: Koch Industries Inc
OrgTechPhone: +1-316-828-4222
OrgTechEmail: amit.bhardwaj@kochcc.com
OrgTechRef: https://rdap.arin.net/registry/entity/IK49-ARIN
OrgAbuseHandle: IK49-ARIN
OrgAbuseName: Koch Industries Inc
OrgAbusePhone: +1-316-828-4222
OrgAbuseEmail: amit.bhardwaj@kochcc.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/IK49-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.
#