THE UNIVERSITY OF CHICAGO
The University of Chicago
LEI
54930099Y7GU6182V326
Registered name
THE UNIVERSITY OF CHICAGO
Jurisdiction
US-IL
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks9
All fragments 318 blocks across 40 clusters
Cluster ID191781174
RegistryBGP
Owner jurisdictionUS-IL
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 54930099Y7GU6182V326
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (9)

⬇ export CSV
CIDR Org name Registry Status Confidence
128.135.0.0/16 The University of Chicago BGP ANNOUNCED ● high
192.5.85.0/24 The University of Chicago BGP ANNOUNCED ● high
192.170.192.0/18 The University of Chicago ARIN ● high
192.170.192.0/19 The University of Chicago BGP ANNOUNCED ● high
192.170.224.0/19 The University of Chicago BGP ANNOUNCED ● high
198.177.153.0/24 The University of Chicago BGP ANNOUNCED ● high
205.208.0.0/17 The University of Chicago BGP ANNOUNCED ● high
2605:9a00::/48 The University of Chicago BGP ANNOUNCED ● high
2605:9a00:10::/48 The University of Chicago BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: B how networks compare →
88.9% of checked blocks have valid RPKI ROA coverage (8 of 9)
Possible discrepancies (4)

These blocks are registered to The University of Chicago but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2605:9a00::/48 /48 authorized for AS198949 — Radware Ltd
128.135.0.0/16 /16 authorized for AS198949 — Radware Ltd
205.208.0.0/17 /17 authorized for AS198949 — Radware Ltd
192.170.192.0/19 /19 authorized for AS198949 — Radware Ltd

NIC Handles

AS160 DNO22-ARIN DOMAI99-ARIN DOMAI99-ARIN NSC26-ARIN UNIVER-174