138.51.240.0/20

AS239 · University of Toronto

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Summary

Country	Canada
Domain	utoronto.ca
ASN	AS239
Parent Range	138.51.0.0/16
Registry	ARIN
ID	CA-NET

WHOIS Details

NetHandle:      NET-138-51-0-0-1
OrgID:          UNIVER-36
Parent:         NET-138-0-0-0-0
NetName:        CA-NET
NetRange:       138.51.0.0 - 138.51.255.255
NetType:        allocation
RegDate:        1990-02-06
Updated:        2021-12-14
TechHandle:     NSTEC-ARIN
Source:         ARIN


OrgID:          UNIVER-36
OrgName:        University of Toronto
CanAllocate:    
Street:         Information & Technology Services
Street:         4 Bancroft Avenue
Street:         ROOM 101C
City:           TORONTO
State/Prov:     ON
Country:        CA
PostalCode:     M5S 1C1
RegDate:        1988-09-20
Updated:        2019-11-08
OrgAdminHandle: DCA264-ARIN
OrgTechHandle:  NSTEC-ARIN
OrgTechHandle:  RS2206-ARIN
OrgAbuseHandle: NSTEC-ARIN
OrgAbuseHandle: RS2206-ARIN
OrgNOCHandle:   DCA264-ARIN
Source:         ARIN


POCHandle:      NSTEC-ARIN
IsRole:         Y
LastName:       NS-TECH
FirstName:      
Street:         Information & Technology Services
Street:         4 Bancroft Avenue, Room 102
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5S 1C1
RegDate:        2002-09-19
Updated:        2024-10-08
OfficePhone:    +1-416-978-4621
MobilePhone:    +1-416-803-0080
FaxPhone:       +1-416-978-6620
Mailbox:        ns-tech@madhaus.eis.utoronto.ca
Source:         ARIN


POCHandle:      RS2206-ARIN
IsRole:         N
LastName:       Sutherland
FirstName:      Russell
Street:         4 Bancroft Avenue
Street:         Room 102
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5S 1C1
RegDate:        1996-05-02
Updated:        2024-10-08
OfficePhone:    +1-416-978-0470
MobilePhone:    +1-416-803-0080
FaxPhone:       +1-416-978-6620
Mailbox:        russell.sutherland@utoronto.ca
Source:         ARIN


POCHandle:      DCA264-ARIN
IsRole:         N
LastName:       Carson
FirstName:      Douglas
Street:         4 Bancroft Avenue, #121B
City:           Toronto
State/Prov:     ON
Country:        CA
PostalCode:     M5S-1C1
RegDate:        2009-06-02
Updated:        2024-10-22
OfficePhone:    +1-416-978-3855
MobilePhone:    +1-416-879-3684
FaxPhone:       +1-416-978-6620
Mailbox:        doug.carson@utoronto.ca
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 138.51.240.0/20

Range	ASN	Company	Num of IPs
138.51.0.0/16	AS239	University of Toronto	65,536

Nearby Ranges

BGP prefixes that overlap with 138.51.0.0/16

Range	ASN	Company	Num of IPs
138.51.0.0/16	AS239	University of Toronto	65,536

Hosted domains

There are no domains currently hosted on this ASN.

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

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Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
196.14.186.148	AS3741 Dimension Data	1.22ms from Cape Town, ZA
104.191.85.4	AS7018 AT&T Enterprises, LLC	10.63ms from Chicago, US
113.4.164.68	AS4837 CHINA UNICOM China169 Backbone	16.76ms from Dalian, CN
54.225.95.20	AS14618 Amazon.com, Inc.	0.18ms from Reston, US
76.191.249.68	AS7065 Sonic.net, LLC	2.78ms from San Jose, US
77.29.52.116	AS6821 Makedonski Telekom AD-Skopje	1.52ms from Skopje, MK
86.44.21.68	AS5466 Eircom Limited	4.29ms from Dublin, IE
109.159.128.68	AS2856 British Telecommunications PLC	0.90ms from London, GB
115.148.118.228	AS4134 CHINANET-BACKBONE	8.25ms from Nanchang, CN
113.13.125.228	AS4134 CHINANET-BACKBONE	11.44ms from Nanning, CN
177.78.2.52	AS26599 TELEFÔNICA BRASIL S.A	1.74ms from Osasco, BR
50.87.145.52	AS46606 Unified Layer	1.92ms from Draper, US
151.69.148.116	AS1267 WIND TRE S.P.A.	2.71ms from Milan, IT
106.68.188.132	AS7545 TPG Telecom Limited	1.07ms from Perth, AU
40.118.225.116	AS8075 Microsoft Corporation	0.55ms from San Jose, US
3.219.138.244	AS14618 Amazon.com, Inc.	0.21ms from Reston, US
187.148.159.180	AS8151 UNINET	8.30ms from Santiago de Queretaro, MX
73.38.204.244	AS7922 Comcast Cable Communications, LLC	4.70ms from Boston, US
151.189.131.148	AS3209 Vodafone GmbH	1.24ms from Hamburg, DE
143.105.103.68	AS14593 Space Exploration Technologies Corporation	9.97ms from Lagos, NG
189.244.97.164	AS8151 UNINET	11.28ms from Santiago de Queretaro, MX
76.93.102.228	AS20001 Charter Communications Inc	3.20ms from Los Angeles, US
218.78.57.116	AS4811 China Telecom (Group)	3.30ms from Shanghai, CN
178.42.88.116	AS5617 Orange Polska Spolka Akcyjna	3.78ms from Warsaw, PL
70.128.140.36	AS7018 AT&T Enterprises, LLC	5.74ms from Chicago, US

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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