138.51.0.0/17
AS239 · University of Toronto
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| 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: 2025-10-20 OrgAdminHandle: DCA264-ARIN OrgTechHandle: NSTEC-ARIN OrgTechHandle: RS2206-ARIN OrgAbuseHandle: NSTEC-ARIN OrgAbuseHandle: RS2206-ARIN OrgNOCHandle: DCA264-ARIN 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: 2025-10-09 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 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: 2025-10-09 OfficePhone: +1-416-978-4621 MobilePhone: +1-416-803-0080 FaxPhone: +1-416-978-6620 Mailbox: eis.net.eng@utoronto.ca Source: ARIN
Overlapping Ranges
BGP prefixes that contain 138.51.0.0/17
| 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 4 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|
Hosted domains API
Pingable IPs
1 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 138.51.24.95 |
120.72ms from Tirana,
AL
|
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 |
|---|---|---|
| 83.82.255.1 |
1.43ms from Amsterdam,
NL
|
|
| 75.137.33.81 |
16.80ms from Atlanta,
US
|
|
| 5.197.123.1 |
2.33ms from Baku,
AZ
|
|
| 47.93.94.97 |
1.95ms from Beijing,
CN
|
|
| 2.242.15.177 |
3.52ms from Berlin,
DE
|
|
| 181.58.121.1 |
3.81ms from Bogota,
CO
|
|
| 201.184.35.161 |
0.72ms from Bogota,
CO
|
|
| 190.217.22.177 |
1.60ms from Bogota,
CO
|
|
| 76.119.160.1 |
3.44ms from Boston,
US
|
|
| 23.216.103.49 |
0.05ms from Brisbane,
AU
|
|
| 175.0.60.1 |
1.90ms from Changsha,
CN
|
|
| 64.15.91.1 |
9.18ms from Chicago,
US
|
|
| 85.120.80.1 |
10.87ms from Chisinau,
MD
|
|
| 203.189.66.113 |
4.27ms from Colombo,
LK
|
|
| 90.224.151.1 |
0.97ms from Goeteborg,
SE
|
|
| 61.146.38.1 |
12.06ms from Guangzhou,
CN
|
|
| 183.232.247.49 |
6.81ms from Guangzhou,
CN
|
|
| 61.243.10.177 |
1.65ms from Guiyang,
CN
|
|
| 39.184.227.1 |
6.61ms from Hangzhou,
CN
|
|
| 192.249.94.161 |
0.74ms from Hong Kong,
HK
|
|
| 103.233.254.1 |
0.23ms from Hong Kong,
HK
|
|
| 213.74.123.1 |
1.83ms from Istanbul,
TR
|
|
| 103.63.24.1 |
0.13ms from Jakarta,
ID
|
|
| 163.61.251.1 |
0.45ms from Jakarta,
ID
|
|
| 157.119.220.145 |
1.49ms from Jakarta,
ID
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Sydney, AU
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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