AS399860 CEDAR RAPIDS COMMUNITY SCHOOL DISTRICT

CRSCHOOLS-1 - CEDAR RAPIDS COMMUNITY SCHOOL DISTRICT · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,782largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,725of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS399860 in ASN lookup Look up an IP in this network (45.45.215.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

45.45.215.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS399849#17781 BIZZARROAGENCY - BIZZARRO AGENCY LLC256

AS399872#17783 CULLMAN-REGIONAL-MEDICAL-CENTER - Cullman Regional256

AS399873#17784 NEO-AS-LAN - NEOGEN Corporation256

AS399875#17785 SIMONMED-PUBLIC - SimonMed Imaging256

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