1. All IP Ranges
  2. 64.0.0.0/8
  3. 64.203.0.0/16
  4. AS19523  | 64.203.72.0/21

64.203.72.0/21

AS19523  ·  FlexNetworks

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Summary

Country Canada
Domain flexnetworks.ca
ASN AS19523
Registry ARIN
ID BTC-107

WHOIS Details

NetHandle:      NET-64-203-64-0-1
OrgID:          BTC-154
Parent:         NET-64-0-0-0-0
NetName:        BTC-107
NetRange:       64.203.64.0 - 64.203.95.255
NetType:        allocation
RegDate:        2017-08-28
Updated:        2023-08-22
Source:         ARIN


OrgID:          BTC-154
OrgName:        FlexNetworks
CanAllocate:    
Street:         81 Bay Street,
Street:         Suite 4510
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5J 0E7
RegDate:        2023-07-18
Updated:        2023-08-15
OrgAdminHandle: ADMIN6968-ARIN
OrgTechHandle:  MCMAS29-ARIN
OrgTechHandle:  MCMAS30-ARIN
OrgTechHandle:  TECH1134-ARIN
OrgAbuseHandle: ABUSE7356-ARIN
OrgNOCHandle:   NOC32917-ARIN
OrgRoutingHandle:   MCMAS29-ARIN
OrgRoutingHandle:   NOC32917-ARIN
OrgDNSHandle:   ADMIN6968-ARIN
Source:         ARIN


POCHandle:      ADMIN6968-ARIN
IsRole:         Y
LastName:       Admin
FirstName:      
Street:         81 Bay Street, Suite 4510
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5J 0E7
RegDate:        2019-01-03
Updated:        2025-05-18
OfficePhone:    +1-800-724-8353
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      MCMAS30-ARIN
IsRole:         N
LastName:       McMaster
FirstName:      Jay
Street:         81 Bay St. 
Street:         Suite 4510
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5J 0E7
RegDate:        2023-08-14
Updated:        2025-08-13
OfficePhone:    +1-905-807-7272
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      NOC32917-ARIN
IsRole:         Y
LastName:       NOC
FirstName:      
Street:         81 Bay Street, Suite 4510
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5J 0E7
RegDate:        2019-01-03
Updated:        2025-05-18
OfficePhone:    +1-800-724-8353
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ABUSE7356-ARIN
IsRole:         Y
LastName:       Abuse
FirstName:      
Street:         81 Bay Street, Suite 4510
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5J 0E7
RegDate:        2019-01-03
Updated:        2025-05-18
OfficePhone:    +1-800-724-8353
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      TECH1134-ARIN
IsRole:         Y
LastName:       Tech
FirstName:      
Street:         81 Bay Street, Suite 4510
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5J 0E7
RegDate:        2019-01-03
Updated:        2025-05-18
OfficePhone:    +1-800-724-8353
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      MCMAS29-ARIN
IsRole:         N
LastName:       McMaster
FirstName:      Christopher
Street:         CIBC Square
Street:         81 Bay Street, Suite 4510 
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5J 0E7
RegDate:        2023-08-14
Updated:        2025-08-14
OfficePhone:    +1-289-887-8884
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that are contained by 64.203.72.0/21

Range ASN Company Num of IPs
64.203.75.0/24 AS1043 KSP Technology 256

Nearby Ranges

BGP prefixes that overlap with 64.203.0.0/16

Range ASN Company Num of IPs
64.203.192.0/18 AS22646 Hargray Communications Group, Inc. 16,384
64.203.0.0/18 AS15171 Tombigbee Fiber LLC 16,384
64.203.112.0/20 AS33548 Unwired Broadband, LLC 4,096
64.203.96.0/20 AS25817 SMARTECH CORPORATION 4,096
64.203.186.0/23 AS32726 LIBERTY UNIVERSITY 512
64.203.128.0/23 AS22709 North State Telephone, LLC 512
64.203.70.0/23 AS19523 Redbird Communications Inc 512
64.203.132.0/23 AS22709 North State Telephone, LLC 512
64.203.178.0/23 AS22709 Ntelos - ADSL DHCP Range 512
64.203.70.0/23 AS54980 Redbird Communications Inc 512
64.203.154.0/23 AS7795 Lumos Networks - Waynesboro DHCP 512
64.203.224.0/24 AS400511 Clearwave Communications 256
64.203.241.0/24 AS400511 Clearwave Communications 256
64.203.242.0/24 AS400511 Clearwave Communications 256
64.203.246.0/24 AS400511 Clearwave Communications 256
64.203.250.0/24 AS400511 Clearwave Communications 256
64.203.144.0/24 AS7795 Ntelos - Charlottesville WiFi pppoe 256
64.203.157.0/24 AS7795 NTELOS Waynesboro FTTP DHCP Network 256
64.203.164.0/24 AS7795 New Hope Telephone Co added Class C 256
64.203.181.0/24 AS7795 Broadband Telecom 256
64.203.75.0/24 AS1043 KSP Technology 256
64.203.189.0/24 AS7795 NEW HOPE TELEPHONE CO 256
64.203.65.0/24 AS19523 BH Telecom Corp. dba FlexNetworks 256
64.203.66.0/24 AS19523 BH Telecom Corp. dba FlexNetworks 256
64.203.67.0/24 AS19523 BH Telecom Corp. dba FlexNetworks 256
64.203.68.0/24 AS19523 BH Telecom Corp. dba FlexNetworks 256
64.203.69.0/24 AS19523 BH Telecom Corp. dba FlexNetworks 256
64.203.224.0/24 AS22646 Clearwave Communications 256
64.203.147.0/24 AS22709 Lumos Networks - FTTP DHCP 256
64.203.185.0/24 AS22709 NTELOS Clifton Forge ADSL DHCP Range 256
64.203.99.0/24 AS25817 Airnet Group 256
64.203.200.0/24 AS400511 Clearwave Communications 256

Hosted domains

There are 206 domain names hosted across 7 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
64.203.75.29 gentleteaching.com 201
64.203.75.44 ksphelp.ca 3
64.203.75.9 insurancecouncils.sk.ca 2
64.203.75.121 comprehensivesleepwellness.com 1

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity
Read more

Pingable IPs

202 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
64.203.72.242 AS19523 FlexNetworks 4.26ms from Saskatoon, CA
64.203.74.2 AS19523 FlexNetworks 4.29ms from Saskatoon, CA
64.203.73.185 AS19523 FlexNetworks 1.11ms from Vancouver, CA
64.203.75.2 AS1043 KSP Technology 4.28ms from Saskatoon, CA
64.203.79.22 AS19523 FlexNetworks 1.42ms from Saskatoon, CA

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
65.98.244.53 AS14265 TPx Communications 0.36ms from Atlanta, US
182.129.221.53 AS4134 CHINANET-BACKBONE 6.71ms from Chengdu, CN
93.213.54.5 AS3320 Deutsche Telekom AG 6.70ms from Frankfurt am Main, DE
193.148.164.85 AS44076 INTAC Services GmbH 3.26ms from Frankfurt am Main, DE
197.64.188.101 AS16637 MTN SA 18.71ms from Johannesburg, ZA
72.202.141.165 AS22773 Cox Communications Inc. 11.88ms from Kansas City, US
190.237.82.21 AS6147 INTEGRATEL PERÚ S.A.A. 1.03ms from Lima, PE
213.200.77.165 AS3257 GTT Communications Inc. 0.54ms from London, GB
188.247.39.101 AS39442 JSC RDE "Unico" 19.36ms from Moscow, RU
72.239.83.181 AS33363 Charter Communications, Inc 8.80ms from Orlando, US
181.235.27.117 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 10.27ms from Panama, PA
122.37.151.245 AS17858 LG POWERCOMM 1.83ms from Seoul, KR
126.9.58.197 AS17676 SoftBank Corp. 3.43ms from Tokyo, JP
190.216.28.101 AS3549 Level 3 Parent, LLC 0.22ms from Buenos Aires, AR
78.183.227.37 AS9121 Turk Telekomunikasyon Anonim Sirketi 14.17ms from Bursa, TR
221.8.254.37 AS4837 CHINA UNICOM China169 Backbone 8.99ms from Changchun, CN
50.103.246.101 AS5650 Frontier Communications of America, Inc. 6.18ms from Chicago, US
40.120.160.165 AS8075 Microsoft Corporation 0.18ms from Dublin, IE
34.89.218.229 AS396982 Google LLC 0.09ms from Frankfurt am Main, DE
107.136.113.149 AS7018 AT&T Enterprises, LLC 10.82ms from Miami, US
73.179.142.21 AS7922 Comcast Cable Communications, LLC 10.31ms from Miami, US
71.90.13.181 AS20115 Charter Communications LLC 19.57ms from Minneapolis, US
178.185.255.197 AS12389 PJSC Rostelecom 11.91ms from Moscow, RU
85.172.189.149 AS42548 PJSC Rostelecom 18.77ms from Moscow, RU
58.216.194.117 AS4134 CHINANET-BACKBONE 3.78ms from Nanjing, CN

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -m6 64.203.78.64
traceroute to 64.203.78.64 (64.203.78.64): 6 hops max, 52 byte packets
1 [AS202448] 31.14.238.1 0.294 ms
2 *
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Valencia, ES
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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