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AS21650 Circle S development LLC

Q: Why is WHOIS data shown for an ASN?

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

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Circle S development LLC mwestcritical.com

US 0 Routes

AS Data

AS21650

AS21650 – Circle S development LLC

AS Number	21650
AS Name	CSDL-9-21650
Organization	Circle S development LLC (csdl-9)
Country	US
Website	mwestcritical.com
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2025-06-20

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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:       21650
ASName:         CSDL-9-21650
ASHandle:       AS21650
RegDate:        2025-06-20
Updated:        2025-06-20
Ref:            https://rdap.arin.net/registry/autnum/21650


OrgName:        Circle S development LLC
OrgId:          CSDL-9
Address:        7153 S Waterloo Way
City:           Aurora
StateProv:      CO
PostalCode:     80016
Country:        US
RegDate:        2025-05-16
Updated:        2025-09-03
Ref:            https://rdap.arin.net/registry/entity/CSDL-9


OrgRoutingHandle: NOC34049-ARIN
OrgRoutingName:   NOC
OrgRoutingPhone:  +1-303-214-3220 
OrgRoutingEmail:  noc@mwestcritical.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC34049-ARIN

OrgTechHandle: NOC34049-ARIN
OrgTechName:   NOC
OrgTechPhone:  +1-303-214-3220 
OrgTechEmail:  noc@mwestcritical.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NOC34049-ARIN

OrgNOCHandle: NOC34049-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-303-214-3220 
OrgNOCEmail:  noc@mwestcritical.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC34049-ARIN

OrgAbuseHandle: NOC34049-ARIN
OrgAbuseName:   NOC
OrgAbusePhone:  +1-303-214-3220 
OrgAbuseEmail:  noc@mwestcritical.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NOC34049-ARIN

OrgDNSHandle: NOC34049-ARIN
OrgDNSName:   NOC
OrgDNSPhone:  +1-303-214-3220 
OrgDNSEmail:  noc@mwestcritical.com
OrgDNSRef:    https://rdap.arin.net/registry/entity/NOC34049-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" : "21650",
    "as_handle" : "AS21650",
    "as_name" : "CSDL-9-21650",
    "admin_contacts" : [ "NOC34049-ARIN" ],
    "tech_contacts" : [ "NOC34049-ARIN", "NOC34049-ARIN" ],
    "abuse_contacts" : [ "NOC34049-ARIN" ],
    "date_created" : "2025-06-20",
    "date_updated" : "2025-06-20",
    "source" : "https://rdap.arin.net/registry/autnum/21650"
  } ],
  "organization" : {
    "handle" : "CSDL-9",
    "name" : "Circle S development LLC",
    "address" : [ "7153 S Waterloo Way", "Aurora", "CO", "80016", "US" ],
    "street" : "S Waterloo Way",
    "city" : "Aurora",
    "state" : "CO",
    "zip_code" : "80016",
    "country" : [ "US" ],
    "date_created" : "2025-05-16",
    "date_updated" : "2025-09-03",
    "source" : "https://rdap.arin.net/registry/entity/CSDL-9",
    "addressCountry" : "US"
  },
  "administrative_contacts" : [ {
    "handle" : "NOC34049-ARIN",
    "name" : "NOC",
    "email" : [ "noc@mwestcritical.com" ],
    "phone" : [ "+1-303-214-3220" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC34049-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "NOC34049-ARIN",
    "name" : "NOC",
    "email" : [ "noc@mwestcritical.com" ],
    "phone" : [ "+1-303-214-3220" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC34049-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NOC34049-ARIN",
    "name" : "NOC",
    "email" : [ "noc@mwestcritical.com" ],
    "phone" : [ "+1-303-214-3220" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC34049-ARIN"
  } ]
}

Frequently Asked Questions

What is ASN AS21650?

ASN AS21650 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21650?

AS21650 is listed under Circle S development LLC.

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.