AS393336 Catalyst Host LLC

CATALYST - Catalyst Host LLC · registered in the United States

IPv4 addresses3,8407 prefixes · <0.001% of announced IPv4

Rank in United States#4,909largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#16,650of 79,396 networks with IPv4

IPv66 x /484 prefixes

CountryUnited States18,679 ASNs registered there

Open AS393336 in ASN lookup Look up an IP in this network (23.163.210.1) All networks in United States

IPv4 prefixes

All 7 prefixes, in address order.

23.163.210.0/24
23.163.216.0/23
23.163.222.0/23
104.193.225.0/24
162.250.232.0/22
173.0.4.0/22
199.181.238.0/24

IPv6 prefixes

All 4 prefixes.

2602:ffd1:1::/48
2602:ffd1:2::/47
2602:ffd1:6::/47
2602:ffd1:8::/48

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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