ASN AS20103 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20103?

AS20103 is listed under Valmont Industries.

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.

AS20103 Valmont Industries | IPGeolocation.io

ASN Lookup Tool

Valmont Industries valmont.com

US 2 Routes

AS Data

AS20103

AS20103 – Valmont Industries

AS Number	20103
AS Name	VALMONT-INDUSTRIES
Organization	Valmont Industries(valmon-3)
Country	US
Website	valmont.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2001-03-23

ASN Intelligence API for production workflows

Use ASN data for AS20103 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
38.65.240.0/24	AS20103	Valmont Industries	Great Plains Communications LLC	256
72.165.239.0/24	AS20103	Valmont Industries	CenturyLink Communications, 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:       20103
ASName:         VALMONT-INDUSTRIES
ASHandle:       AS20103
RegDate:        2001-03-23
Updated:        2025-01-02    
Ref:            https://rdap.arin.net/registry/autnum/20103


OrgName:        Valmont Industries
OrgId:          VALMON-3
Address:        1 Valmont Plz F1 5
City:           Omaha
StateProv:      NE
PostalCode:     68154
Country:        US
RegDate:        2001-03-23
Updated:        2025-01-02
Ref:            https://rdap.arin.net/registry/entity/VALMON-3


OrgTechHandle: ULLMA9-ARIN
OrgTechName:   Ullman, Doug 
OrgTechPhone:  +1-402-359-6339 
OrgTechEmail:  doug.ullman@valmont.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ULLMA9-ARIN

OrgDNSHandle: ULLMA9-ARIN
OrgDNSName:   Ullman, Doug 
OrgDNSPhone:  +1-402-359-6339 
OrgDNSEmail:  doug.ullman@valmont.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ULLMA9-ARIN

OrgAbuseHandle: ULLMA9-ARIN
OrgAbuseName:   Ullman, Doug 
OrgAbusePhone:  +1-402-359-6339 
OrgAbuseEmail:  doug.ullman@valmont.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ULLMA9-ARIN

OrgRoutingHandle: ULLMA9-ARIN
OrgRoutingName:   Ullman, Doug 
OrgRoutingPhone:  +1-402-359-6339 
OrgRoutingEmail:  doug.ullman@valmont.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ULLMA9-ARIN

OrgNOCHandle: ULLMA9-ARIN
OrgNOCName:   Ullman, Doug 
OrgNOCPhone:  +1-402-359-6339 
OrgNOCEmail:  doug.ullman@valmont.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ULLMA9-ARIN

RNOCHandle: ULLMA9-ARIN
RNOCName:   Ullman, Doug 
RNOCPhone:  +1-402-359-6339 
RNOCEmail:  doug.ullman@valmont.com
RNOCRef:    https://rdap.arin.net/registry/entity/ULLMA9-ARIN

RAbuseHandle: ULLMA9-ARIN
RAbuseName:   Ullman, Doug 
RAbusePhone:  +1-402-359-6339 
RAbuseEmail:  doug.ullman@valmont.com
RAbuseRef:    https://rdap.arin.net/registry/entity/ULLMA9-ARIN

RTechHandle: ULLMA9-ARIN
RTechName:   Ullman, Doug 
RTechPhone:  +1-402-359-6339 
RTechEmail:  doug.ullman@valmont.com
RTechRef:    https://rdap.arin.net/registry/entity/ULLMA9-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
AS13807	Great Plains Communications LLC	US
AS3356	Level 3 Parent, LLC	US

Upstreams

AS Number	Description	Country
AS13807	Great Plains Communications LLC	US
AS3356	Level 3 Parent, LLC	US