ASN AS31803 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS31803?

AS31803 is listed under Magellan Midstream Partners, L.P..

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.

AS31803 Magellan Midstream Partners, L.P.

ASN Lookup Tool

Magellan Midstream Partners, L.P. magellanlp.com

US 2 Routes

AS Data

AS31803

AS31803 – Magellan Midstream Partners, L.P.

AS Number	31803
AS Name	MMPLP
Organization	Magellan Midstream Partners, L.P.(mmpl-5)
Country	US
Website	magellanlp.com
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2003-12-23

ASN Intelligence API for production workflows

Use ASN data for AS31803 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
69.44.134.0/24	AS31803	Magellan Midstream Partners, L.P.	Magellan Midstream Partners, L.P.	256
72.194.151.0/24	AS31803	Magellan Midstream Partners, L.P.	Magellan Midstream Partners, L.P.	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:       31803
ASName:         MMPLP
ASHandle:       AS31803
RegDate:        2003-12-23
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/31803


OrgName:        Magellan Midstream Partners, L.P.
OrgId:          MMPL-5
Address:        One Williams Center
Address:        MD 29
City:           Tulsa
StateProv:      OK
PostalCode:     74172
Country:        US
RegDate:        2003-11-12
Updated:        2021-06-16
Ref:            https://rdap.arin.net/registry/entity/MMPL-5


OrgAbuseHandle: BWV-ARIN
OrgAbuseName:   Vogle, Brian Whitehead
OrgAbusePhone:  +1-918-574-7115 
OrgAbuseEmail:  brian.vogle@magellanlp.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BWV-ARIN

OrgAbuseHandle: KUM-ARIN
OrgAbuseName:   Umezawa, Ken 
OrgAbusePhone:  +1-918-574-7116 
OrgAbuseEmail:  ken.umezawa@magellanlp.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/KUM-ARIN

OrgTechHandle: NICKL49-ARIN
OrgTechName:   Nicklas, Steve 
OrgTechPhone:  +1-918-574-7000 
OrgTechEmail:  steve.nicklas@magellanlp.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NICKL49-ARIN

OrgTechHandle: BWV-ARIN
OrgTechName:   Vogle, Brian Whitehead
OrgTechPhone:  +1-918-574-7115 
OrgTechEmail:  brian.vogle@magellanlp.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BWV-ARIN

OrgAbuseHandle: NICKL49-ARIN
OrgAbuseName:   Nicklas, Steve 
OrgAbusePhone:  +1-918-574-7000 
OrgAbuseEmail:  steve.nicklas@magellanlp.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NICKL49-ARIN

OrgTechHandle: KUM-ARIN
OrgTechName:   Umezawa, Ken 
OrgTechPhone:  +1-918-574-7116 
OrgTechEmail:  ken.umezawa@magellanlp.com
OrgTechRef:    https://rdap.arin.net/registry/entity/KUM-ARIN

RTechHandle: BWV-ARIN
RTechName:   Vogle, Brian Whitehead
RTechPhone:  +1-918-574-7115 
RTechEmail:  brian.vogle@magellanlp.com
RTechRef:    https://rdap.arin.net/registry/entity/BWV-ARIN

RTechHandle: KUM-ARIN
RTechName:   Umezawa, Ken 
RTechPhone:  +1-918-574-7116 
RTechEmail:  ken.umezawa@magellanlp.com
RTechRef:    https://rdap.arin.net/registry/entity/KUM-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
AS3356	Level 3 Parent, LLC	US
AS22773	Cox Communications Inc.	US

Upstreams

AS Number	Description	Country
AS3356	Level 3 Parent, LLC	US
AS22773	Cox Communications Inc.	US