ASN AS19523 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS19523?

AS19523 is listed under FlexNetworks.

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.

AS19523 FlexNetworks | IPGeolocation.io

ASN Lookup Tool

FlexNetworks flexnetworks.ca

CA 44 Routes

AS Data

AS19523

AS19523 – FlexNetworks

AS Number	19523
AS Name	BH-TELECOM-CORP
Organization	FlexNetworks(btc-154)
Country	CA
Website	flexnetworks.ca
Number of IPv4 Routes	37
Number of IPv6 Routes	7
ASN type	ISP
Registry	ARIN
Date Allocated	2017-09-13

ASN Intelligence API for production workflows

Use ASN data for AS19523 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
64.203.88.0/21	AS19523	FlexNetworks	FlexNetworks	2048
64.203.80.0/24	AS19523	FlexNetworks	FlexNetworks	256
64.203.72.0/24	AS19523	FlexNetworks	FlexNetworks	256
64.203.64.0/24	AS19523	FlexNetworks	FlexNetworks	256
104.167.252.0/24	AS19523	FlexNetworks	FlexNetworks	256
64.203.65.0/24	AS19523	FlexNetworks	BH Telecom Corp. dba FlexNetworks	256
2604:e440:100::/40	AS19523	FlexNetworks	FlexNetworks	~309×10²⁴
104.167.253.0/24	AS19523	FlexNetworks	FlexNetworks	256
64.72.196.0/23	AS19523	FlexNetworks	45 Networks Inc.	512
104.167.252.0/23	AS19523	FlexNetworks	FlexNetworks	512

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:       19523
ASName:         BH-TELECOM-CORP
ASHandle:       AS19523
RegDate:        2017-09-13
Updated:        2023-08-22    
Ref:            https://rdap.arin.net/registry/autnum/19523


OrgName:        FlexNetworks
OrgId:          BTC-154
Address:        81 Bay Street,
Address:        Suite 4510
City:           Toronto
StateProv:      ON
PostalCode:     M5J 0E7
Country:        CA
RegDate:        2023-07-18
Updated:        2023-08-15
Ref:            https://rdap.arin.net/registry/entity/BTC-154


OrgDNSHandle: ADMIN6968-ARIN
OrgDNSName:   Admin
OrgDNSPhone:  +1-800-724-8353 
OrgDNSEmail:  ipadmin@bhtelecom.ca
OrgDNSRef:    https://rdap.arin.net/registry/entity/ADMIN6968-ARIN

OrgTechHandle: MCMAS30-ARIN
OrgTechName:   McMaster, Jay 
OrgTechPhone:  +1-905-807-7272 
OrgTechEmail:  jay.mcmaster@flexnetworks.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/MCMAS30-ARIN

OrgTechHandle: MCMAS29-ARIN
OrgTechName:   McMaster, Christopher 
OrgTechPhone:  +1-289-887-8884 
OrgTechEmail:  chris.mcmaster@flexnetworks.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/MCMAS29-ARIN

OrgRoutingHandle: NOC32917-ARIN
OrgRoutingName:   NOC
OrgRoutingPhone:  +1-800-724-8353 
OrgRoutingEmail:  support@flexnetworks.ca
OrgRoutingRef:    https://rdap.arin.net/registry/entity/NOC32917-ARIN

OrgNOCHandle: NOC32917-ARIN
OrgNOCName:   NOC
OrgNOCPhone:  +1-800-724-8353 
OrgNOCEmail:  support@flexnetworks.ca
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC32917-ARIN

OrgTechHandle: TECH1134-ARIN
OrgTechName:   Tech
OrgTechPhone:  +1-800-724-8353 
OrgTechEmail:  ipadmin@bhtelecom.ca
OrgTechRef:    https://rdap.arin.net/registry/entity/TECH1134-ARIN

OrgRoutingHandle: MCMAS29-ARIN
OrgRoutingName:   McMaster, Christopher 
OrgRoutingPhone:  +1-289-887-8884 
OrgRoutingEmail:  chris.mcmaster@flexnetworks.ca
OrgRoutingRef:    https://rdap.arin.net/registry/entity/MCMAS29-ARIN

OrgAbuseHandle: ABUSE7356-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-800-724-8353 
OrgAbuseEmail:  ipadmin@bhtelecom.ca
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7356-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" : "19523",
    "as_handle" : "AS19523",
    "as_name" : "BH-TELECOM-CORP",
    "admin_contacts" : [ "ADMIN6968-ARIN" ],
    "tech_contacts" : [ "MCMAS30-ARIN", "MCMAS29-ARIN", "NOC32917-ARIN", "TECH1134-ARIN", "MCMAS29-ARIN" ],
    "abuse_contacts" : [ "ABUSE7356-ARIN" ],
    "date_created" : "2017-09-13",
    "date_updated" : "2023-08-22",
    "source" : "https://rdap.arin.net/registry/autnum/19523"
  } ],
  "organization" : {
    "handle" : "BTC-154",
    "name" : "FlexNetworks",
    "address" : [ "81 Bay Street,", "Suite 4510", "Toronto", "ON", "M5J0E7", "CA" ],
    "street" : "Bay Street",
    "city" : "Toronto",
    "state" : "ON",
    "zip_code" : "M5J0E7",
    "country" : [ "CA" ],
    "date_created" : "2023-07-18",
    "date_updated" : "2023-08-15",
    "source" : "https://rdap.arin.net/registry/entity/BTC-154",
    "addressCountry" : "CA"
  },
  "administrative_contacts" : [ {
    "handle" : "ADMIN6968-ARIN",
    "name" : "Admin",
    "email" : [ "ipadmin@bhtelecom.ca" ],
    "phone" : [ "+1-800-724-8353" ],
    "source" : "https://rdap.arin.net/registry/entity/ADMIN6968-ARIN"
  } ],
  "technical_contacts" : [ {
    "handle" : "MCMAS30-ARIN",
    "name" : "McMaster, Jay",
    "email" : [ "jay.mcmaster@flexnetworks.ca" ],
    "phone" : [ "+1-905-807-7272" ],
    "source" : "https://rdap.arin.net/registry/entity/MCMAS30-ARIN"
  }, {
    "handle" : "MCMAS29-ARIN",
    "name" : "McMaster, Christopher",
    "email" : [ "chris.mcmaster@flexnetworks.ca" ],
    "phone" : [ "+1-289-887-8884" ],
    "source" : "https://rdap.arin.net/registry/entity/MCMAS29-ARIN"
  }, {
    "handle" : "NOC32917-ARIN",
    "name" : "NOC",
    "email" : [ "support@flexnetworks.ca" ],
    "phone" : [ "+1-800-724-8353" ],
    "source" : "https://rdap.arin.net/registry/entity/NOC32917-ARIN"
  }, {
    "handle" : "TECH1134-ARIN",
    "name" : "Tech",
    "email" : [ "ipadmin@bhtelecom.ca" ],
    "phone" : [ "+1-800-724-8353" ],
    "source" : "https://rdap.arin.net/registry/entity/TECH1134-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "ABUSE7356-ARIN",
    "name" : "Abuse",
    "email" : [ "ipadmin@bhtelecom.ca" ],
    "phone" : [ "+1-800-724-8353" ],
    "source" : "https://rdap.arin.net/registry/entity/ABUSE7356-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS1403	EBOX	CA
AS58511	Anycast Global Backbone	AU
AS24482	SG.GS	SG
AS11670	Toronto Internet Exchange Community	CA
AS33044	Megawire Inc.	CA
AS400085	Regina Police Service	CA
AS34927	iFog GmbH	CH
AS401703	Ordinal Advisors LLC	US
AS6939	Hurricane Electric LLC	US
AS64289	Macarne.com	US

Upstreams

AS Number	Description	Country
AS394256	Tech Futures Interactive Inc.	CA
AS6939	Hurricane Electric LLC	US
AS174	Cogent Communications, LLC	US
AS137409	GSL Networks Pty LTD	AU

Downstreams

AS Number	Description	Country
AS30324	SaskEnergy Inc.	CA
AS17300	ISM Canada	CA
AS400085	Regina Police Service	CA
AS1043	KSP Technology	CA
AS394352	FlexNetworks	CA
AS394366	City of Saskatoon	CA
AS6939	Hurricane Electric LLC	US
AS395270	IANA - Autonomous System Number	ZZ
AS62589	Fort Garry Industries Ltd	CA
AS393598	Affinity Credit Union 2013	CA