AS40281 QWK.net Hosting, L.L.C.

QWKNET - QWK.net Hosting, L.L.C. · registered in the United States

IPv4 addresses11,26413 prefixes · <0.001% of announced IPv4

Rank in United States#2,794largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#8,510of 79,396 networks with IPv4

IPv61 x /32 (69,632 x /48)2 prefixes

CountryUnited States18,679 ASNs registered there

Open AS40281 in ASN lookup Look up an IP in this network (38.18.136.1) All networks in United States

IPv4 prefixes

All 13 prefixes, in address order.

38.18.136.0/21
38.109.229.0/24
38.240.88.0/21
192.159.0.0/24
198.49.41.0/24
198.60.85.0/24
198.60.88.0/22
198.60.92.0/23
199.104.66.0/23
208.71.136.0/21
208.76.192.0/23
208.76.194.0/23
208.76.196.0/22

IPv6 prefixes

All 2 prefixes.

2602:fc33::/36
2604:680::/32

Similar-sized networks in United States

ASNNameIPv4 addresses

AS215728#2791 CloudWebManage Kamatera Inc11,520

AS3949#2792 NTTA-3946 - NTT America, Inc.11,516

AS22006#2793 PRONSS-PULKCO-AS - PRONSS11,272

AS11767#2795 QTS-MIA - Quality Technology Services, LLC11,264

AS14636#2796 INTERNAP-BLK4 - Internap Holding LLC11,264

AS14858#2797 HISNET - Hanson Information Systems, Inc. / Family Net11,264

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