AS23490 West Development, INC.

WESTDEVINC - West Development, INC. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,652largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#64,486of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS23490 in ASN lookup Look up an IP in this network (184.187.21.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

184.187.21.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS23469#14649 HIGHWOODS - Highwoods Properties, Inc.256

AS23476#14650 CENTRICAZ-ASN - Centric Fiber Arizona256

AS23478#14651 CHAS-HEALTH - CHAS Health256

AS23493#14653 ACUITY - Acuity, A Mutual Insurance Company256

AS23502#14654 EXECPRO-AS - Execpro Information Services, LLC256

AS23508#14655 CGH-MAIN-CAMPUS - Chesapeake General Hospital256

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