AS20315 McHenry County

MCHENRY-COUNTY-AS1 - McHenry County · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,462largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,949of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS20315 in ASN lookup Look up an IP in this network (12.206.214.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

12.206.214.0/24
68.21.116.0/24
162.142.124.0/24

Similar-sized networks in United States

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AS20408#9463 NTTA - North Texas Tollway Authority768

AS20421#9464 FLEXB-ASN - First Technology Federal Credit Union768

AS20429#9465 AS20429 - Guitar Center768

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