AS19254 Koch Industries, Inc.

KOCH-INDUSTRIES - Koch Industries, Inc. · registered in the United States

IPv4 addresses22,78412 prefixes · <0.001% of announced IPv4

Rank in United States#2,024largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,726of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS19254 in ASN lookup Look up an IP in this network (146.209.128.1) All networks in United States

IPv4 prefixes

All 12 prefixes, in address order.

146.209.128.0/19
146.209.222.0/23
146.209.224.0/23
146.209.232.0/24
151.123.64.0/19
151.123.126.0/24
198.178.69.0/24
198.178.78.0/23
205.132.112.0/21
206.220.176.0/23
206.220.178.0/23
206.220.180.0/22

Other ASNs named Koch Industries, Inc.

1 other network uses the same organisation name; together with AS19254 they announce 23,296 IPv4 addresses.

ASNNameIPv4 addresses

AS399251KBSI-ASN - Koch Industries, Inc. US512

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AS13791#2027 INTERNAP-BLK3 - Unitas Global22,528

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources