ASN Lookup Tool

Onyx Pharmaceuticals, Inc. onyx-pharm.com US US 0 Routes

AS Data

AS54553

AS54553Onyx Pharmaceuticals, Inc.

AS Number 54553
AS Name ONYX-PHARMACEUTICALS
Organization Onyx Pharmaceuticals, Inc.(op-8)
Country US
Website onyx-pharm.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2012-03-16

ASN Intelligence API for production workflows

Use ASN data for AS54553 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

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:       54553
ASName:         ONYX-PHARMACEUTICALS
ASHandle:       AS54553
RegDate:        2012-03-16
Updated:        2012-03-16
Comment:        Standard NOC hours are 8am to 5pm PST    
Ref:            https://rdap.arin.net/registry/autnum/54553


OrgName:        Onyx Pharmaceuticals, Inc.
OrgId:          OP-8
Address:        249 East Grand Ave
City:           South San Francisco
StateProv:      CA
PostalCode:     94080
Country:        US
RegDate:        2011-08-15
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/OP-8


OrgNOCHandle: LEESA2-ARIN
OrgNOCName:   Lee, Samuel 
OrgNOCPhone:  +1-650-266-1020 
OrgNOCEmail:  sclee@onyx-pharm.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LEESA2-ARIN

OrgTechHandle: CGV-ARIN
OrgTechName:   Vashel, Chris G.
OrgTechPhone:  +1-650-266-2418 
OrgTechEmail:  cvashel@onyx-pharm.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CGV-ARIN

OrgAbuseHandle: LEESA2-ARIN
OrgAbuseName:   Lee, Samuel 
OrgAbusePhone:  +1-650-266-1020 
OrgAbuseEmail:  sclee@onyx-pharm.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LEESA2-ARIN

OrgNOCHandle: CGV-ARIN
OrgNOCName:   Vashel, Chris G.
OrgNOCPhone:  +1-650-266-2418 
OrgNOCEmail:  cvashel@onyx-pharm.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/CGV-ARIN

OrgTechHandle: LEESA2-ARIN
OrgTechName:   Lee, Samuel 
OrgTechPhone:  +1-650-266-1020 
OrgTechEmail:  sclee@onyx-pharm.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LEESA2-ARIN

OrgAbuseHandle: CGV-ARIN
OrgAbuseName:   Vashel, Chris G.
OrgAbusePhone:  +1-650-266-2418 
OrgAbuseEmail:  cvashel@onyx-pharm.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CGV-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

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

CTA Illustration

Frequently Asked Questions

ASN AS54553 is an Autonomous System Number used to identify a network for BGP internet routing.
AS54553 is listed under Onyx Pharmaceuticals, Inc..
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.