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AS21531
AS21531 Quantum Leap Research LLC
QLRASN-1 - Quantum Leap Research LLC · registered in the United States
IPv4 addresses 256 1 prefixes · <0.001% of announced IPv4
Rank in United States #14,415 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #64,216 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
IPv4 prefixes
All 1 prefix, in address order.
Similar-sized networks in United States
ASN Name IPv4 addresses
AS21511 #14412 NCSBN - NCSBN, Inc.256
AS21514 #14413 LEGACY - LEGACY MARKETING PARTNERS, L.L.C.256
AS21518 #14414 INTEGRIS-HEALTH - Integris Health, Inc.256
AS21561 #14416 LESSCHWABMO - Les Schwab Tire Centers256
AS21566 #14417 HOTAISLE - Hot Aisle Inc.256
AS21602 #14418 CFVHS - Cape Fear Valley Medical Center256
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