ASN AS25739 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25739?

AS25739 is listed under Adtran, 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.

AS25739 Adtran, Inc. | IPGeolocation.io

ASN Lookup Tool

Adtran, Inc. adtran.com

US 4 Routes

AS Data

AS25739

AS25739 – Adtran, Inc.

AS Number	25739
AS Name	ADTRAN
Organization	Adtran, Inc.(adtran-1)
Country	US
Website	adtran.com
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-05-01

ASN Intelligence API for production workflows

Use ASN data for AS25739 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2620:106:a000::/44	AS25739	Adtran, Inc.	Adtran, Inc.	~19×10²⁴
216.206.86.0/24	AS25739	Adtran, Inc.	CenturyLink Communications, LLC	256
207.229.97.0/24	AS25739	Adtran, Inc.	Adtran, Inc.	256
2620:4a::/48	AS0		Adtran, Inc.	~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:       25739
ASName:         ADTRAN
ASHandle:       AS25739
RegDate:        2002-05-01
Updated:        2019-01-22    
Ref:            https://rdap.arin.net/registry/autnum/25739


OrgName:        Adtran, Inc.
OrgId:          ADTRAN-1
Address:        901 Explorer Blvd.
City:           Huntsville
StateProv:      AL
PostalCode:     35806
Country:        US
RegDate:        2002-05-01
Updated:        2023-12-20
Ref:            https://rdap.arin.net/registry/entity/ADTRAN-1


OrgTechHandle: SCOTT248-ARIN
OrgTechName:   Scott, Chris 
OrgTechPhone:  +1-256-963-8272 
OrgTechEmail:  elijah.scott@adtran.com
OrgTechRef:    https://rdap.arin.net/registry/entity/SCOTT248-ARIN

OrgTechHandle: RTO29-ARIN
OrgTechName:   TOWRY, RYAN 
OrgTechPhone:  +1-256-963-8000 
OrgTechEmail:  ryan.towry@adtran.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RTO29-ARIN

OrgNOCHandle: RTO29-ARIN
OrgNOCName:   TOWRY, RYAN 
OrgNOCPhone:  +1-256-963-8000 
OrgNOCEmail:  ryan.towry@adtran.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/RTO29-ARIN

OrgNOCHandle: SCOTT248-ARIN
OrgNOCName:   Scott, Chris 
OrgNOCPhone:  +1-256-963-8272 
OrgNOCEmail:  elijah.scott@adtran.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/SCOTT248-ARIN

OrgAbuseHandle: RTO29-ARIN
OrgAbuseName:   TOWRY, RYAN 
OrgAbusePhone:  +1-256-963-8000 
OrgAbuseEmail:  ryan.towry@adtran.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/RTO29-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
AS3356	Level 3 Parent, LLC	US
AS7725	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS7725	Comcast Cable Communications, LLC	US