University of Toronto
AS239 is University of Toronto (utoronto.ca). It announces 331,264 IPv4 addresses in 15 prefixes, and 3 IPv6 prefixes.
Canada· ARIN· allocated 1988-09-20· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Canada331,264 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- UTORONTO-AS
- name
- University of Toronto
- org
- UNIVER-36
- org name
- University of Toronto
- org address
- Information & Technology Services, 4 Bancroft Avenue, ROOM 101C, TORONTO, ON, M5S 1C1
- org city
- TORONTO
- org country
- CA
- country
- CA
- source
- arin
- created
- 1988-09-20
- updated
- 2009-07-31
- abuse name
- NS-TECH
- abuse email
- eis.net.eng@utoronto.ca
- abuse phone
- +1-416-978-4621
- abuse kind
- role
- abuse city
- Toronto
- abuse country
- CA
- admin name
- Douglas Carson
- admin email
- doug.carson@utoronto.ca
- admin phone
- +1-416-978-3855
- admin kind
- person
- admin city
- Toronto
- admin country
- CA
- tech name
- NS-TECH
- tech email
- eis.net.eng@utoronto.ca
- tech phone
- +1-416-978-4621
- tech kind
- role
- tech city
- Toronto
- tech country
- CA
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP1090.03%
- geonode, proxyseller, geonix0.21%
- None here
- floppydata0.00%
- None here
- None here
- Hosting IP13,3124.02%
- None here
- None here
- None here
- SSH IP2,3000.69%
- SMTP IP1,4830.45%
- 0.02%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 128.100.0.0/16 | Canada | not found | 19 | 2026-10-02 |
| 138.51.0.0/16 | Canada | not found | 19 | 2026-10-02 |
| 138.51.0.0/17 | Canada | not found | 17 | 2026-10-02 |
| 138.51.128.0/17 | Canada | not found | 17 | 2026-10-02 |
| 142.1.0.0/16 | Canada | not found | 19 | 2026-10-02 |
| 142.150.0.0/16 | Canada | not found | 19 | 2026-10-02 |
| 142.150.0.0/17 | Canada | not found | 17 | 2026-10-02 |
| 142.150.128.0/17 | Canada | not found | 17 | 2026-10-02 |
| 142.151.0.0/16 | Canada | not found | 19 | 2026-10-02 |
| 142.151.0.0/17 | Canada | not found | 17 | 2026-10-02 |
| 142.151.128.0/17 | Canada | not found | 17 | 2026-10-02 |
| 192.12.174.0/24 | Canada | not found | 19 | 2026-10-02 |
| 192.12.176.0/21 | Canada | not found | 19 | 2026-10-02 |
| 192.75.254.0/24 | Canada | not found | 19 | 2026-10-02 |
| 192.82.128.0/22 | Canada | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.