AS400931 Rock Oak, LLC

ROCKOAK-ASN - Rock Oak, LLC · registered in the United States

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in United States#12,633largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#58,645of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS400931 in ASN lookup Look up an IP in this network (140.235.250.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

140.235.250.0/23

Similar-sized networks in United States

ASNNameIPv4 addresses

AS400913#12630 COMARCH-NET-US-2-PHX - Comarch Inc512

AS400918#12631 TWOROCKLAN - Two Rock LAN512

AS400928#12632 CAPE-01 - Private Tech Inc.512

AS400952#12634 KISSUSA-GA - KISS NAIL PRODUCTS, INC512

AS400961#12635 LOGISTIVIEW-CLOUD-01 - LogistiVIEW, Inc.512

AS400964#12636 COHC - College of the Holy Cross512

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