ResearchRouting table, RPKI, IRR & looking glass

AS19254 Koch Industries, Inc.

AS19254 (KOCH-INDUSTRIES) is registered to Koch Industries, Inc. in US. It originates 41 prefixes in the global routing table.

41
IPv4 prefixes
0
IPv6 prefixes
22,784
IPv4 addresses
0%
RPKI valid
Registration

Who holds AS19254

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS19254
Handle
KOCH-INDUSTRIES
Organization
Koch Industries, Inc.
Country
US
ASPA
None published
Routing

What AS19254 announces

Prefixes originated by AS19254 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
41
IPv6 prefixes
0
IPv4 addresses
22,784 (89 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
41
ROAs naming AS19254
0
With an IRR route object
16 39%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (41)
146.209.128.0/20146.209.144.0/22146.209.148.0/24146.209.149.0/24146.209.150.0/24146.209.151.0/24146.209.152.0/21146.209.159.0/24146.209.222.0/24146.209.223.0/24146.209.224.0/23146.209.224.0/24146.209.225.0/24146.209.232.0/24151.123.64.0/21151.123.64.0/22151.123.68.0/22151.123.71.0/24151.123.72.0/21151.123.72.0/22151.123.76.0/22151.123.80.0/21151.123.80.0/22151.123.84.0/22151.123.87.0/24151.123.88.0/21151.123.88.0/22151.123.92.0/22151.123.95.0/24151.123.126.0/24198.178.69.0/24198.178.78.0/23198.178.78.0/24205.132.112.0/21205.132.112.0/22205.132.116.0/22206.220.176.0/21206.220.176.0/22206.220.176.0/24206.220.177.0/24206.220.180.0/22

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS19254 is reached through

The AS just before AS19254 in the paths our looking glass collectors hold, for 41 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS3356 LEVEL3 26AS13335 CLOUDFLARENET 8AS7018 ATT-INTERNET4 7AS6461 ZAYO-6461 1AS3257 GTT-BACKBONE 1AS4637 ASN-TELSTRA-GLOBAL 1
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RADBKOCH-INDUSTRIESMAINT-AS19254

Route objects with origin AS19254: RADB 26 · LEVEL3 1

as-sets that list AS19254 (11)
AS-BTGB-CUSTAS-GTTCUSTAS-ITXBR1AS-KDDCUSTOMER2AS-KOCHNETAS-LEVEL3-ORIGINS-NAAS-LUMEN-CUSTOMERS-ASNSAS-NWN-TRANSITAS-REACH-CUSTOMERSAS-TELSTRA-INTL-CUSTOMERSAS13335:AS-CUSTOMERS
Tools

Check AS19254 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup