AS394492 US Electrodynamics, Inc.

USEI - US Electrodynamics, Inc. · registered in the United States

IPv4 addresses3,32810 prefixes · <0.001% of announced IPv4

Rank in United States#5,235largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,857of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS394492 in ASN lookup Look up an IP in this network (66.206.121.1) All networks in United States

IPv4 prefixes

All 10 prefixes, in address order.

66.206.121.0/24
68.169.95.0/24
74.221.80.0/23
74.221.82.0/24
74.221.86.0/23
103.212.113.0/24
104.129.91.0/24
162.255.207.0/24
199.27.121.0/24
199.27.122.0/23

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AS395215#5236 SAN-JOAQUIN-COUNTY - San Joaquin County3,328

AS395927#5237 MILEHIGHNETWORKS - Mile High Networks, LLC3,328

AS396181#5238 SOUTHERNLINC-PACKETDATA-ASN2 - SouthernLINC Wireless3,328

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