ASN AS21531 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21531?

AS21531 is listed under Quantum Leap Research LLC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS21531 Quantum Leap Research LLC

ASN Lookup Tool

Quantum Leap Research LLC ql-research.com

US 1 Routes

AS Data

AS21531

AS21531 – Quantum Leap Research LLC

AS Number	21531
AS Name	QLRASN-1
Organization	Quantum Leap Research LLC(qlrl)
Country	US
Website	ql-research.com
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2023-09-20

ASN Intelligence API for production workflows

Use ASN data for AS21531 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
192.219.29.0/24	AS21531	Quantum Leap Research LLC	Quantum Leap Research LLC	256

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       21531
ASName:         QLRASN-1
ASHandle:       AS21531
RegDate:        2023-09-20
Updated:        2023-09-20    
Ref:            https://rdap.arin.net/registry/autnum/21531


OrgName:        Quantum Leap Research LLC
OrgId:          QLRL
Address:        940 Sycolin Rd SE
Address:        Suite 110
City:           Leesburg
StateProv:      VA
PostalCode:     20175
Country:        US
RegDate:        2023-08-23
Updated:        2026-02-05
Ref:            https://rdap.arin.net/registry/entity/QLRL


OrgTechHandle: BENNE684-ARIN
OrgTechName:   Bennett, Derrick 
OrgTechPhone:  +1-703-783-5203 
OrgTechEmail:  derrickb@ql-research.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BENNE684-ARIN

OrgAbuseHandle: BENNE684-ARIN
OrgAbuseName:   Bennett, Derrick 
OrgAbusePhone:  +1-703-783-5203 
OrgAbuseEmail:  derrickb@ql-research.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BENNE684-ARIN

OrgRoutingHandle: WRIGT1-ARIN
OrgRoutingName:   Wrigtht, Christopher 
OrgRoutingPhone:  +1-703-783-5203 
OrgRoutingEmail:  chrisw@ql-research.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/WRIGT1-ARIN

OrgRoutingHandle: BENNE684-ARIN
OrgRoutingName:   Bennett, Derrick 
OrgRoutingPhone:  +1-703-783-5203 
OrgRoutingEmail:  derrickb@ql-research.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/BENNE684-ARIN

OrgTechHandle: WRIGT1-ARIN
OrgTechName:   Wrigtht, Christopher 
OrgTechPhone:  +1-703-783-5203 
OrgTechEmail:  chrisw@ql-research.com
OrgTechRef:    https://rdap.arin.net/registry/entity/WRIGT1-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS62935	Discovery Networks International LLC	US

Upstreams

AS Number	Description	Country
AS62935	Discovery Networks International LLC	US