AS402316 ILLUMIO,

ILLUMIO-INC - ILLUMIO, · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#18,228largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#79,222of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS402316 in ASN lookup Look up an IP in this network (192.231.20.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

192.231.20.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS402287#18225 PGAL-BGP - PGAL256

AS402290#18226 ACSCGOV - Anderson County256

AS402294#18227 RT-NET - Redland Trust256

AS402317#18229 RP-GLOBAL - Medical256

AS402320#18230 WELCHCO-DC1 - Welch256

AS402331#18231 NWT-030 - UNIVERSAL HEALTH SERVICES256

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