AS401801 Illinois Secretary of State

ILSOS - Illinois Secretary of State · registered in the United States

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in United States#9,044largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#42,429of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS401801 in ASN lookup Look up an IP in this network (199.15.4.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

199.15.4.0/22

Other ASNs named Illinois Secretary of State

1 other network uses the same organisation name; together with AS401801 they announce 2,048 IPv4 addresses.

ASNNameIPv4 addresses

AS401800ILSOS - Illinois Secretary of State US1,024

Similar-sized networks in United States

ASNNameIPv4 addresses

AS401540#9041 BUSINESS-BROADBAND-LLC - BUSINESS BROADBAND LLC1,024

AS401618#9042 AVISBUDGETGROUP - Avis Budget Group, Inc1,024

AS401800#9043 ILSOS - Illinois Secretary of State1,024

AS401920#9045 MOW-MT - Montana Outback Wireless Inc.1,024

AS401933#9046 HASHIT - HashIT1,024

AS401943#9047 HSE-ARIN-01 - Hornetsecurity1,024

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