ASN AS11540 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS11540?

AS11540 is listed under Research Triangle Institute.

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?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS11540 Research Triangle Institute

ASN Lookup Tool

Research Triangle Institute rti.org

US 3 Routes

AS Data

AS11540

AS11540 – Research Triangle Institute

AS Number	11540
AS Name	RTI
Organization	Research Triangle Institute(rti)
Country	US
Website	rti.org
Number of IPv4 Routes	2
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2012-06-29

ASN Intelligence API for production workflows

Use ASN data for AS11540 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
152.5.0.0/16	AS11540	Research Triangle Institute	Research Triangle Institute	65536
192.154.54.0/24	AS11540	Research Triangle Institute	Research Triangle Institute	256
2620:31:8000::/48	AS11540	Research Triangle Institute	Research Triangle Institute	~1×10²⁴

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:       11540
ASName:         RTI
ASHandle:       AS11540
RegDate:        2012-06-29
Updated:        2023-11-27    
Ref:            https://rdap.arin.net/registry/autnum/11540


OrgName:        Research Triangle Institute
OrgId:          RTI
Address:        PO Box 12194
Address:        3040 Cornwallis Road
City:           Research Triangle Park
StateProv:      NC
PostalCode:     27709
Country:        US
RegDate:        
Updated:        2025-01-22
Ref:            https://rdap.arin.net/registry/entity/RTI


OrgRoutingHandle: ZR42-ARIN
OrgRoutingName:   Hostmaster
OrgRoutingPhone:  +1-919-541-6600 
OrgRoutingEmail:  hostmaster@rti.org
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ZR42-ARIN

OrgNOCHandle: ZR42-ARIN
OrgNOCName:   Hostmaster
OrgNOCPhone:  +1-919-541-6600 
OrgNOCEmail:  hostmaster@rti.org
OrgNOCRef:    https://rdap.arin.net/registry/entity/ZR42-ARIN

OrgTechHandle: ZR42-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-919-541-6600 
OrgTechEmail:  hostmaster@rti.org
OrgTechRef:    https://rdap.arin.net/registry/entity/ZR42-ARIN

OrgDNSHandle: ZR42-ARIN
OrgDNSName:   Hostmaster
OrgDNSPhone:  +1-919-541-6600 
OrgDNSEmail:  hostmaster@rti.org
OrgDNSRef:    https://rdap.arin.net/registry/entity/ZR42-ARIN

OrgAbuseHandle: ZR42-ARIN
OrgAbuseName:   Hostmaster
OrgAbusePhone:  +1-919-541-6600 
OrgAbuseEmail:  hostmaster@rti.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZR42-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
AS3549	Level 3 Communications, Inc. (GBLX)	US
AS17378	TierPoint, LLC	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS17378	TierPoint, LLC	US
AS3356	Level 3 Parent, LLC	US