ASN Lookup Tool

HollyFrontier Corporation hollyfrontier.com US US 2 Routes

AS Data

AS396041

AS396041 – HollyFrontier Corporation

AS Number 396041
AS Name HFC-ASN
Organization HollyFrontier Corporation(hc-1154)
Country US
Website hollyfrontier.com
Number of IPv4 Routes 2
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2017-02-21

ASN Intelligence API for production workflows

Use ASN data for AS396041 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

Get ASN API Key ASN API Docs

IP Ranges

Route # IPs
38.146.104.0/24 256
38.146.101.0/24 256

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:       396041
ASName:         HFC-ASN
ASHandle:       AS396041
RegDate:        2017-02-21
Updated:        2017-02-21    
Ref:            https://rdap.arin.net/registry/autnum/396041


OrgName:        HollyFrontier Corporation
OrgId:          HC-1154
Address:        2323 Victory Ave
Address:        Suite 1400
City:           Dallas
StateProv:      TX
PostalCode:     75219
Country:        US
RegDate:        2017-02-08
Updated:        2025-07-24
Ref:            https://rdap.arin.net/registry/entity/HC-1154


OrgDNSHandle: POTTE157-ARIN
OrgDNSName:   Potter, James 
OrgDNSPhone:  +1-214-538-9364 
OrgDNSEmail:  James.Potter@HFSinclair.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/POTTE157-ARIN

OrgRoutingHandle: HARTV2-ARIN
OrgRoutingName:   Hartvigsen, Cody 
OrgRoutingPhone:  +1-801-550-7709 
OrgRoutingEmail:  cody.hartvigsen@hollyfrontier.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/HARTV2-ARIN

OrgNOCHandle: ERNST62-ARIN
OrgNOCName:   Ernst, Carl 
OrgNOCPhone:  +1-214-793-8634 
OrgNOCEmail:  Carl.Ernst@HFSinclair.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/ERNST62-ARIN

OrgNOCHandle: HARTV2-ARIN
OrgNOCName:   Hartvigsen, Cody 
OrgNOCPhone:  +1-801-550-7709 
OrgNOCEmail:  cody.hartvigsen@hollyfrontier.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/HARTV2-ARIN

OrgDNSHandle: BLANK211-ARIN
OrgDNSName:   Blankenship, Stephen 
OrgDNSPhone:  +1-918-594-3314 
OrgDNSEmail:  Stephen.Blankenship@HFSinclair.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/BLANK211-ARIN

OrgTechHandle: POTTE157-ARIN
OrgTechName:   Potter, James 
OrgTechPhone:  +1-214-538-9364 
OrgTechEmail:  James.Potter@HFSinclair.com
OrgTechRef:    https://rdap.arin.net/registry/entity/POTTE157-ARIN

OrgTechHandle: HARTV2-ARIN
OrgTechName:   Hartvigsen, Cody 
OrgTechPhone:  +1-801-550-7709 
OrgTechEmail:  cody.hartvigsen@hollyfrontier.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HARTV2-ARIN

OrgDNSHandle: DEARM27-ARIN
OrgDNSName:   DeArmon, Mike 
OrgDNSPhone:  +1-214-954-3959 
OrgDNSEmail:  Mike.DeArmon@HFSinclair.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/DEARM27-ARIN

OrgDNSHandle: ERNST62-ARIN
OrgDNSName:   Ernst, Carl 
OrgDNSPhone:  +1-214-793-8634 
OrgDNSEmail:  Carl.Ernst@HFSinclair.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/ERNST62-ARIN

OrgAbuseHandle: POTTE157-ARIN
OrgAbuseName:   Potter, James 
OrgAbusePhone:  +1-214-538-9364 
OrgAbuseEmail:  James.Potter@HFSinclair.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/POTTE157-ARIN

OrgTechHandle: ERNST62-ARIN
OrgTechName:   Ernst, Carl 
OrgTechPhone:  +1-214-793-8634 
OrgTechEmail:  Carl.Ernst@HFSinclair.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ERNST62-ARIN

OrgRoutingHandle: BLANK211-ARIN
OrgRoutingName:   Blankenship, Stephen 
OrgRoutingPhone:  +1-918-594-3314 
OrgRoutingEmail:  Stephen.Blankenship@HFSinclair.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/BLANK211-ARIN

OrgDNSHandle: HARTV2-ARIN
OrgDNSName:   Hartvigsen, Cody 
OrgDNSPhone:  +1-801-550-7709 
OrgDNSEmail:  cody.hartvigsen@hollyfrontier.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/HARTV2-ARIN

OrgRoutingHandle: POTTE157-ARIN
OrgRoutingName:   Potter, James 
OrgRoutingPhone:  +1-214-538-9364 
OrgRoutingEmail:  James.Potter@HFSinclair.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/POTTE157-ARIN

OrgNOCHandle: POTTE157-ARIN
OrgNOCName:   Potter, James 
OrgNOCPhone:  +1-214-538-9364 
OrgNOCEmail:  James.Potter@HFSinclair.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/POTTE157-ARIN

OrgTechHandle: DEARM27-ARIN
OrgTechName:   DeArmon, Mike 
OrgTechPhone:  +1-214-954-3959 
OrgTechEmail:  Mike.DeArmon@HFSinclair.com
OrgTechRef:    https://rdap.arin.net/registry/entity/DEARM27-ARIN

OrgAbuseHandle: ERNST62-ARIN
OrgAbuseName:   Ernst, Carl 
OrgAbusePhone:  +1-214-793-8634 
OrgAbuseEmail:  Carl.Ernst@HFSinclair.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ERNST62-ARIN

OrgAbuseHandle: MCCRE59-ARIN
OrgAbuseName:   McCrea, Mike 
OrgAbusePhone:  +1-360-770-4741 
OrgAbuseEmail:  Michael.McCrea@HFSinclair.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MCCRE59-ARIN

OrgRoutingHandle: MCCRE59-ARIN
OrgRoutingName:   McCrea, Mike 
OrgRoutingPhone:  +1-360-770-4741 
OrgRoutingEmail:  Michael.McCrea@HFSinclair.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MCCRE59-ARIN

OrgNOCHandle: HEATH159-ARIN
OrgNOCName:   Heath, Brian 
OrgNOCPhone:  +1-801-428-7830 
OrgNOCEmail:  Brian.Heath@HFSinclair.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/HEATH159-ARIN

OrgTechHandle: MCCRE59-ARIN
OrgTechName:   McCrea, Mike 
OrgTechPhone:  +1-360-770-4741 
OrgTechEmail:  Michael.McCrea@HFSinclair.com
OrgTechRef:    https://rdap.arin.net/registry/entity/MCCRE59-ARIN

OrgTechHandle: BLANK211-ARIN
OrgTechName:   Blankenship, Stephen 
OrgTechPhone:  +1-918-594-3314 
OrgTechEmail:  Stephen.Blankenship@HFSinclair.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BLANK211-ARIN

OrgAbuseHandle: DEARM27-ARIN
OrgAbuseName:   DeArmon, Mike 
OrgAbusePhone:  +1-214-954-3959 
OrgAbuseEmail:  Mike.DeArmon@HFSinclair.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/DEARM27-ARIN

OrgAbuseHandle: HEATH159-ARIN
OrgAbuseName:   Heath, Brian 
OrgAbusePhone:  +1-801-428-7830 
OrgAbuseEmail:  Brian.Heath@HFSinclair.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HEATH159-ARIN

OrgAbuseHandle: BLANK211-ARIN
OrgAbuseName:   Blankenship, Stephen 
OrgAbusePhone:  +1-918-594-3314 
OrgAbuseEmail:  Stephen.Blankenship@HFSinclair.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BLANK211-ARIN

OrgNOCHandle: DEARM27-ARIN
OrgNOCName:   DeArmon, Mike 
OrgNOCPhone:  +1-214-954-3959 
OrgNOCEmail:  Mike.DeArmon@HFSinclair.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/DEARM27-ARIN

OrgDNSHandle: MCCRE59-ARIN
OrgDNSName:   McCrea, Mike 
OrgDNSPhone:  +1-360-770-4741 
OrgDNSEmail:  Michael.McCrea@HFSinclair.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/MCCRE59-ARIN

OrgNOCHandle: MCCRE59-ARIN
OrgNOCName:   McCrea, Mike 
OrgNOCPhone:  +1-360-770-4741 
OrgNOCEmail:  Michael.McCrea@HFSinclair.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/MCCRE59-ARIN

OrgNOCHandle: BLANK211-ARIN
OrgNOCName:   Blankenship, Stephen 
OrgNOCPhone:  +1-918-594-3314 
OrgNOCEmail:  Stephen.Blankenship@HFSinclair.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/BLANK211-ARIN

OrgRoutingHandle: ERNST62-ARIN
OrgRoutingName:   Ernst, Carl 
OrgRoutingPhone:  +1-214-793-8634 
OrgRoutingEmail:  Carl.Ernst@HFSinclair.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ERNST62-ARIN

OrgAbuseHandle: HARTV2-ARIN
OrgAbuseName:   Hartvigsen, Cody 
OrgAbusePhone:  +1-801-550-7709 
OrgAbuseEmail:  cody.hartvigsen@hollyfrontier.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HARTV2-ARIN

OrgRoutingHandle: DEARM27-ARIN
OrgRoutingName:   DeArmon, Mike 
OrgRoutingPhone:  +1-214-954-3959 
OrgRoutingEmail:  Mike.DeArmon@HFSinclair.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/DEARM27-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
AS1239 Cogent Communications, LLC US
AS174 Cogent Communications, LLC US

Upstreams

AS Number Description Country
AS174 Cogent Communications, LLC US

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

Frequently Asked Questions

ASN AS396041 is an Autonomous System Number used to identify a network for BGP internet routing.
AS396041 is listed under HollyFrontier Corporation.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.