ASN AS16905 is an Autonomous System Number used to identify a network for BGP internet routing.

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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AS16905 LEARN | IPGeolocation.io

ASN Lookup Tool

LEARN tx-learn.net

US 4 Routes

AS Data

AS16905

AS16905 – LEARN

AS Number	16905
AS Name	LEARN-RESEARCH
Organization	LEARN(lern)
Country	US
Website	tx-learn.net
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	ISP
Registry	ARIN
Date Allocated	2000-06-28

ASN Intelligence API for production workflows

Use ASN data for AS16905 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
74.200.187.0/24	AS16905	LEARN	LEARN	256
2607:f928:12::/48	AS16905	LEARN	LEARN	~1×10²⁴
74.200.150.0/24	AS16905	LEARN	LEARN	256
2607:f928:2::/48	AS16905	LEARN	LEARN	~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:       16905
ASName:         LEARN-RESEARCH
ASHandle:       AS16905
RegDate:        2000-06-28
Updated:        2022-04-04
Comment:        LEARN R&E Peering - Internet2 and ESnet    
Ref:            https://rdap.arin.net/registry/autnum/16905


OrgName:        LEARN
OrgId:          LERN
Address:        1720 Bray Central Drive, Suite 100-LL
City:           McKinney
StateProv:      TX
PostalCode:     75069
Country:        US
RegDate:        2006-06-07
Updated:        2026-02-11
Ref:            https://rdap.arin.net/registry/entity/LERN


OrgDNSHandle: LEARN-ARIN
OrgDNSName:   LEARN NOC
OrgDNSPhone:  +1-866-647-8728 
OrgDNSEmail:  noc@tx-learn.net
OrgDNSRef:    https://rdap.arin.net/registry/entity/LEARN-ARIN

OrgTechHandle: HARAJ4-ARIN
OrgTechName:   Hara, James 
OrgTechPhone:  +1-972-489-8132 
OrgTechEmail:  james.hara@tx-learn.net
OrgTechRef:    https://rdap.arin.net/registry/entity/HARAJ4-ARIN

OrgTechHandle: OTTCH5-ARIN
OrgTechName:   Ott, Chris 
OrgTechPhone:  +1-940-320-9120 
OrgTechEmail:  chris.ott@tx-learn.net
OrgTechRef:    https://rdap.arin.net/registry/entity/OTTCH5-ARIN

OrgTechHandle: LEARN-ARIN
OrgTechName:   LEARN NOC
OrgTechPhone:  +1-866-647-8728 
OrgTechEmail:  noc@tx-learn.net
OrgTechRef:    https://rdap.arin.net/registry/entity/LEARN-ARIN

OrgTechHandle: CRANM27-ARIN
OrgTechName:   cranmore, joseph 
OrgTechPhone:  +1-866-647-8728 
OrgTechEmail:  Joseph.cranmore@tx-learn.net
OrgTechRef:    https://rdap.arin.net/registry/entity/CRANM27-ARIN

OrgAbuseHandle: LEARN-ARIN
OrgAbuseName:   LEARN NOC
OrgAbusePhone:  +1-866-647-8728 
OrgAbuseEmail:  noc@tx-learn.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LEARN-ARIN

OrgNOCHandle: LEARN-ARIN
OrgNOCName:   LEARN NOC
OrgNOCPhone:  +1-866-647-8728 
OrgNOCEmail:  noc@tx-learn.net
OrgNOCRef:    https://rdap.arin.net/registry/entity/LEARN-ARIN

OrgRoutingHandle: LEARN-ARIN
OrgRoutingName:   LEARN NOC
OrgRoutingPhone:  +1-866-647-8728 
OrgRoutingEmail:  noc@tx-learn.net
OrgRoutingRef:    https://rdap.arin.net/registry/entity/LEARN-ARIN

OrgTechHandle: STOOK11-ARIN
OrgTechName:   Stookey, Brian 
OrgTechPhone:  +1-469-388-3559 
OrgTechEmail:  brian.stookey@tx-learn.net
OrgTechRef:    https://rdap.arin.net/registry/entity/STOOK11-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
AS3627	National Radio Astronomy Observatory	US
AS11773	The University Of Texas M.D. Anderson Cancer Center	US
AS394001	Round Rock Independent School District	US
AS20162	University of Texas at Dallas	US
AS46258	Region III Education Service Center	US
AS33187	Sam Houston State University	US
AS1832	Southern Methodist University	US
AS293	ESnet	US
AS36695	Region 5 Education Service Center	US
AS398845	McLennan Community College	US

Upstreams

AS Number	Description	Country
AS293	ESnet	US
AS11537	Internet2	US

Downstreams

AS Number	Description	Country
AS3627	National Radio Astronomy Observatory	US
AS11773	The University Of Texas M.D. Anderson Cancer Center	US
AS394001	Round Rock Independent School District	US
AS20162	University of Texas at Dallas	US
AS46258	Region III Education Service Center	US
AS33187	Sam Houston State University	US
AS1832	Southern Methodist University	US
AS36695	Region 5 Education Service Center	US
AS398845	McLennan Community College	US
AS14382	Education Service Center	US

Legacy Routes

74.200.186.0/24 2607:f928:16::/48 74.200.148.0/24 74.200.179.0/24