ASN AS26239 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS26239?

AS26239 is listed under Atlas Air, Inc..

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.

AS26239 Atlas Air, Inc. | IPGeolocation.io

ASN Lookup Tool

Atlas Air, Inc. atlasair.com

US 4 Routes

AS Data

AS26239

AS26239 – Atlas Air, Inc.

AS Number	26239
AS Name	ATLASAIR
Organization	Atlas Air, Inc.(atlasa-1)
Country	US
Website	atlasair.com
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-08-05

ASN Intelligence API for production workflows

Use ASN data for AS26239 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
208.90.73.0/24	AS26239	Atlas Air, Inc.	Atlas Air, Inc.	256
208.90.74.0/24	AS26239	Atlas Air, Inc.	Atlas Air, Inc.	256
208.90.72.0/24	AS26239	Atlas Air, Inc.	Atlas Air, Inc.	256
208.90.72.0/22	AS26239	Atlas Air, Inc.	Atlas Air, Inc.	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:       26239
ASName:         ATLASAIR
ASHandle:       AS26239
RegDate:        2002-08-05
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/26239


OrgName:        Atlas Air, Inc.
OrgId:          ATLASA-1
Address:        2000 Westchester Ave
City:           Purchase
StateProv:      NY
PostalCode:     10577
Country:        US
RegDate:        2000-01-13
Updated:        2025-07-30
Ref:            https://rdap.arin.net/registry/entity/ATLASA-1


OrgTechHandle: NETWO10382-ARIN
OrgTechName:   Network Manager
OrgTechPhone:  +1-859-394-2955 
OrgTechEmail:  ellie.zwick@atlasair.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO10382-ARIN

OrgAbuseHandle: NETWO10382-ARIN
OrgAbuseName:   Network Manager
OrgAbusePhone:  +1-859-394-2955 
OrgAbuseEmail:  ellie.zwick@atlasair.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO10382-ARIN

RTechHandle: SZU9-ARIN
RTechName:   Zuckerman, Sam 
RTechPhone:  +1-914-701-8287 
RTechEmail:  sam.zuckerman@atlasair.com
RTechRef:    https://rdap.arin.net/registry/entity/SZU9-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
AS286	GTT Communications Inc.	NL
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS17378	TierPoint, LLC	US
AS174	Cogent Communications, LLC	US
AS54004	Cablevision Lightpath LLC	US

Upstreams

AS Number	Description	Country
AS286	GTT Communications Inc.	US
AS3257	GTT Communications Inc.	US
AS17378	TierPoint, LLC	US
AS174	Cogent Communications, LLC	US
AS54004	Cablevision Lightpath LLC	US