AS397940 Frederick County Government

FCG-AS-01 - Frederick County Government · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,377largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,268of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397940 in ASN lookup Look up an IP in this network (199.248.201.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

199.248.201.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS397926#17375 CCC-HOSTING-01 - Crystal Computer Consulting, Inc.256

AS397927#17376 GPB-HQ-01 - Georgia Public Broadcasting256

AS397947#17378 SAINT-LUKES-HOSPITAL-CHESTERFIELD - St. Luke's Hospital256

AS397948#17379 SUCCESSION-SYSTEMS-01 - Succession Systems LLC256

AS397949#17380 REG-US-ASN-01 - Chevron Corporation256

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