AS27185 Danbury Hospital - ITG

DHS-INTERNET - Danbury Hospital - ITG · registered in the United States

IPv4 addresses64,25622 prefixes · 0.002% of announced IPv4

Rank in United States#1,355largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,541of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS27185 in ASN lookup Look up an IP in this network (170.77.0.1) All networks in United States

IPv4 prefixes

All 22 prefixes, in address order.

170.77.0.0/18
170.77.64.0/19
170.77.96.0/20
170.77.112.0/21
170.77.120.0/22
170.77.124.0/23
170.77.126.0/23
170.77.128.0/19
170.77.160.0/20
170.77.176.0/22
170.77.181.0/24
170.77.182.0/23
170.77.184.0/21
170.77.192.0/22
170.77.200.0/21
170.77.208.0/20
170.77.224.0/22
170.77.228.0/23
170.77.230.0/24
170.77.231.0/24
170.77.232.0/21
170.77.240.0/20

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AS7328#1357 CHOP - The Children's Hospital of Philadelphia64,000

AS7973#1358 MAYO - Mayo Foundation for Medical Education and Research64,000

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