AS30710 Spectrum Health

SPECT-19-AS - Spectrum Health · registered in the United States

IPv4 addresses65,2809 prefixes · 0.002% of announced IPv4

Rank in United States#1,327largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,483of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS30710 in ASN lookup Look up an IP in this network (167.73.0.1) All networks in United States

IPv4 prefixes

All 9 prefixes, in address order.

167.73.0.0/19
167.73.32.0/19
167.73.64.0/19
167.73.96.0/21
167.73.104.0/22
167.73.108.0/23
167.73.111.0/24
167.73.112.0/20
167.73.128.0/17

Similar-sized networks in United States

ASNNameIPv4 addresses

AS19226#1324 AURA-SOUTH - NSF'S NOIRLAB65,280

AS22498#1325 PINELLAS-COUNTY - Pinellas County Government65,280

AS26783#1326 MARICOPA-COUNTY-COMMUNITY-COLLEGE-DISTRICT - Maricopa County Community College District65,280

AS32513#1328 BATTELLE-MEMORIAL-INSTITUTE - BATTELLE MEMORIAL INSTITUTE65,280

AS56508#1329 ARDC Amateur Radio Digital Communications65,280

AS401124#1330 SUNY-DELHI-01 - State University of New York College of Technology at Delhi65,280

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