AS23458 Denver Health and Hospital Authority

DHH-AUTHORITY - Denver Health and Hospital Authority · registered in the United States

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in United States#7,491largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#28,534of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS23458 in ASN lookup Look up an IP in this network (204.9.100.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

204.9.100.0/22
205.170.235.0/24

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AS25713#7493 AS-DTS - Dollar Tree1,280

AS25873#7494 MERCY - MERCY MEDICAL CENTER1,280

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