University of Toronto
BGP inherited
Cluster stats
Netblocks20
All fragments 2,929 blocks across 426 clusters
Cluster ID191602062
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
20 0 netblocks since 2026-07-05
2026-07-05 peak 20 2026-07-06

IP Ranges (20)

⬇ export CSV
CIDR Org name Registry Status Confidence
128.100.0.0/16 University of Toronto BGP ANNOUNCED ● high
138.51.0.0/17 University of Toronto BGP ANNOUNCED ● high
138.51.0.0/16 University of Toronto BGP ANNOUNCED ● high
138.51.128.0/17 University of Toronto BGP ANNOUNCED ● high
142.1.0.0/16 University of Toronto BGP ANNOUNCED ● high
142.150.0.0/17 University of Toronto BGP ANNOUNCED ● high
142.150.0.0/16 University of Toronto BGP ANNOUNCED ● high
142.150.128.0/17 University of Toronto BGP ANNOUNCED ● high
142.151.0.0/17 University of Toronto BGP ANNOUNCED ● high
142.151.0.0/16 University of Toronto BGP ANNOUNCED ● high
142.151.128.0/17 University of Toronto BGP ANNOUNCED ● high
142.253.0.0/16 University of Toronto ARIN ● high
192.12.174.0/24 University of Toronto BGP ANNOUNCED ● high
192.12.176.0/21 University of Toronto BGP ANNOUNCED ● high
192.75.254.0/24 University of Toronto BGP ANNOUNCED ● high
192.82.128.0/22 University of Toronto BGP ANNOUNCED ● high
207.34.12.0 – 207.34.23.255 University of Toronto ARIN ● high
2606:fa00::/32 University of Toronto BGP ANNOUNCED ● high
2631:1000::/24 University of Toronto BGP ANNOUNCED ● high
2631:1002:22::/48 University of Toronto BGP ANNOUNCED ● high

NIC Handles

AS239 DCA264-ARIN DCA264-ARIN NSTEC-ARIN NSTEC-ARIN PK54-ARIN RS2206-ARIN RS2206-ARIN UNIVER-36