ASN AS16583 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS16583?

AS16583 is listed under Care Factor Computer Services Inc.

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.

AS16583 Care Factor Computer Services Inc

ASN Lookup Tool

Care Factor Computer Services Inc

CA 0 Routes

AS Data

AS16583

AS16583 – Care Factor Computer Services Inc

AS Number	16583
AS Name	CFCS
Organization	Care Factor Computer Services Inc (cfcs-3)
Country	CA
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2005-08-15

ASN Intelligence API for production workflows

Use ASN data for AS16583 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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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:       16583
ASName:         CFCS
ASHandle:       AS16583
RegDate:        2005-08-15
Updated:        2016-04-20
Comment:        http://www.datacentres.rogers.com/
Ref:            https://rdap.arin.net/registry/autnum/16583


OrgName:        Care Factor Computer Services Inc
OrgId:          CFCS-3
Address:        100, 3015-5th Ave N.E.
City:           Calgary
StateProv:      AB
PostalCode:     T2A-6T8
Country:        CA
RegDate:        2005-07-27
Updated:        2015-08-31
Comment:        http://www.datacentres.rogers.com/
Ref:            https://rdap.arin.net/registry/entity/CFCS-3


OrgTechHandle: OPERA120-ARIN
OrgTechName:   Operations Center
OrgTechPhone:  +1-514-240-8479 
OrgTechEmail:  RDCNetworkOperations@rci.rogers.com
OrgTechRef:    https://rdap.arin.net/registry/entity/OPERA120-ARIN

OrgNOCHandle: OPERA120-ARIN
OrgNOCName:   Operations Center
OrgNOCPhone:  +1-514-240-8479 
OrgNOCEmail:  RDCNetworkOperations@rci.rogers.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/OPERA120-ARIN

OrgAbuseHandle: OPERA120-ARIN
OrgAbuseName:   Operations Center
OrgAbusePhone:  +1-514-240-8479 
OrgAbuseEmail:  RDCNetworkOperations@rci.rogers.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/OPERA120-ARIN

RTechHandle: OPERA120-ARIN
RTechName:   Operations Center
RTechPhone:  +1-514-240-8479 
RTechEmail:  RDCNetworkOperations@rci.rogers.com
RTechRef:    https://rdap.arin.net/registry/entity/OPERA120-ARIN

RAbuseHandle: OPERA120-ARIN
RAbuseName:   Operations Center
RAbusePhone:  +1-514-240-8479 
RAbuseEmail:  RDCNetworkOperations@rci.rogers.com
RAbuseRef:    https://rdap.arin.net/registry/entity/OPERA120-ARIN

RNOCHandle: OPERA120-ARIN
RNOCName:   Operations Center
RNOCPhone:  +1-514-240-8479 
RNOCEmail:  RDCNetworkOperations@rci.rogers.com
RNOCRef:    https://rdap.arin.net/registry/entity/OPERA120-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" : "16583",
    "as_handle" : "AS16583",
    "as_name" : "CFCS",
    "tech_contacts" : [ "OPERA120-ARIN", "OPERA120-ARIN" ],
    "abuse_contacts" : [ "OPERA120-ARIN", "OPERA120-ARIN" ],
    "date_created" : "2005-08-15",
    "date_updated" : "2016-04-20",
    "source" : "https://rdap.arin.net/registry/autnum/16583"
  } ],
  "organization" : {
    "handle" : "CFCS-3",
    "name" : "Care Factor Computer Services Inc",
    "address" : [ "100, 3015-5th Ave N.E.", "Calgary", "AB", "T2A-6T8", "CA" ],
    "street" : "3015-5th Ave N.e.",
    "city" : "Calgary",
    "state" : "AB",
    "zip_code" : "T2A-6T8",
    "country" : [ "CA" ],
    "date_created" : "2005-07-27",
    "date_updated" : "2015-08-31",
    "source" : "https://rdap.arin.net/registry/entity/CFCS-3",
    "addressCountry" : "CA"
  },
  "technical_contacts" : [ {
    "handle" : "OPERA120-ARIN",
    "name" : "Operations Center",
    "email" : [ "RDCNetworkOperations@rci.rogers.com" ],
    "phone" : [ "+1-514-240-8479" ],
    "source" : "https://rdap.arin.net/registry/entity/OPERA120-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "OPERA120-ARIN",
    "name" : "Operations Center",
    "email" : [ "RDCNetworkOperations@rci.rogers.com" ],
    "phone" : [ "+1-514-240-8479" ],
    "source" : "https://rdap.arin.net/registry/entity/OPERA120-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS812	Rogers Communications Canada Inc.	CA
AS39852	Guest Tek Interactive Entertainment LTD	CA
AS39852	Guest-Tek Interactive Entertainment LTD	CA
AS29988	Rogers Communications Canada Inc.	CA
AS23197	Genesys Laboratories Canada, Inc.	US
AS23197	Genesys Laboratories Canada, Inc.	CA

Upstreams

AS Number	Description	Country
AS29988	Rogers Communications Canada Inc.	CA

Downstreams

AS Number	Description	Country
AS812	Rogers Communications Canada Inc.	CA
AS39852	Guest Tek Interactive Entertainment LTD	CA
AS23197	Genesys Laboratories Canada, Inc.	US

Legacy Routes

199.204.212.0/24 204.13.48.0/24