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AS20066 Supermicro Computer | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

Supermicro Computer supermicro.com

US 5 Routes

AS Data

AS20066

AS20066 – Supermicro Computer

AS Number	20066
AS Name	MSC-SJ-HQ
Organization	Supermicro Computer (smc-376)
Country	US
Website	supermicro.com
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2017-07-24

ASN Intelligence API for production workflows

Use ASN data for AS20066 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
50.145.10.0/24	AS20066	Supermicro Computer	Comcast Cable Communications, LLC	256
207.212.57.0/24	AS20066	Supermicro Computer	Super Micro	256
64.166.75.0/24	AS20066	Supermicro Computer	SuperMicro	256
66.120.31.0/24	AS20066	Supermicro Computer	Super Micro Computer, Inc.50724	256
50.225.87.0/24	AS20066	Supermicro Computer	Comcast Cable 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:       20066
ASName:         MSC-SJ-HQ
ASHandle:       AS20066
RegDate:        2017-07-24
Updated:        2017-07-24
Ref:            https://rdap.arin.net/registry/autnum/20066


OrgName:        Supermicro Computer
OrgId:          SMC-376
Address:        980 Rock Ave
City:           San Jose
StateProv:      CA
PostalCode:     95131
Country:        US
RegDate:        2017-06-12
Updated:        2023-01-05
Ref:            https://rdap.arin.net/registry/entity/SMC-376


OrgNOCHandle: LOROB2-ARIN
OrgNOCName:   Lo, Robin 
OrgNOCPhone:  +1-408-373-9542 
OrgNOCEmail:  robin.lo@supermicro.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/LOROB2-ARIN

OrgTechHandle: HSULA1-ARIN
OrgTechName:   Hsu, Laurence 
OrgTechPhone:  +1-408-953-8848 
OrgTechEmail:  laurenceh@supermicro.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HSULA1-ARIN

OrgTechHandle: LOROB2-ARIN
OrgTechName:   Lo, Robin 
OrgTechPhone:  +1-408-373-9542 
OrgTechEmail:  robin.lo@supermicro.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LOROB2-ARIN

OrgAbuseHandle: LOROB2-ARIN
OrgAbuseName:   Lo, Robin 
OrgAbusePhone:  +1-408-373-9542 
OrgAbuseEmail:  robin.lo@supermicro.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LOROB2-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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "20066",
    "as_handle" : "AS20066",
    "as_name" : "MSC-SJ-HQ",
    "tech_contacts" : [ "HSULA1-ARIN", "LOROB2-ARIN" ],
    "abuse_contacts" : [ "LOROB2-ARIN" ],
    "date_created" : "2017-07-24",
    "date_updated" : "2017-07-24",
    "source" : "https://rdap.arin.net/registry/autnum/20066"
  } ],
  "organization" : {
    "handle" : "SMC-376",
    "name" : "Supermicro Computer",
    "address" : [ "980 Rock Ave", "San Jose", "CA", "95131", "US" ],
    "street" : "Rock Ave",
    "city" : "San Jose",
    "state" : "CA",
    "zip_code" : "95131",
    "country" : [ "US" ],
    "date_created" : "2017-06-12",
    "date_updated" : "2023-01-05",
    "source" : "https://rdap.arin.net/registry/entity/SMC-376",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "HSULA1-ARIN",
    "name" : "Hsu, Laurence",
    "email" : [ "laurenceh@supermicro.com" ],
    "phone" : [ "+1-408-953-8848" ],
    "source" : "https://rdap.arin.net/registry/entity/HSULA1-ARIN"
  }, {
    "handle" : "LOROB2-ARIN",
    "name" : "Lo, Robin",
    "email" : [ "robin.lo@supermicro.com" ],
    "phone" : [ "+1-408-373-9542" ],
    "source" : "https://rdap.arin.net/registry/entity/LOROB2-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "LOROB2-ARIN",
    "name" : "Lo, Robin",
    "email" : [ "robin.lo@supermicro.com" ],
    "phone" : [ "+1-408-373-9542" ],
    "source" : "https://rdap.arin.net/registry/entity/LOROB2-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS33651	Comcast Cable Communications, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US
AS33651	Comcast Cable Communications, LLC	US

Frequently Asked Questions

What is ASN AS20066?

ASN AS20066 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS20066?

AS20066 is listed under Supermicro Computer.

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.