University of Tartu
BGP inherited
Cluster stats
| Netblocks | 41 · 8,796 IPv4 addresses |
| All fragments | 2,946 blocks across 427 clusters |
| Cluster ID | 205336057 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
41
0 netblocks since 2026-07-05
2026-07-05
peak 41
2026-07-13
IP Ranges (41)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.40.1.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.2.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.4.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.5.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.7.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.8.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.9.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.11.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.12.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.13.160/28 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.13.176/28 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.14.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.15.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.16.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.21.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.22.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.23.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.26.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.31.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.32.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.33.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.34.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.35.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.36.0/23 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.38.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.39.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.44.0/23 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.46.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.56.80/29 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.82.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.121.0/24 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.136.64/27 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.148.192/28 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.152.0/22 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.182.112/29 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 193.40.211.64/27 | University of Tartu | RIPE | ASSIGNED PA | ● high |
| 2001:bb8:2002::/48 | University of Tartu | RIPE | ASSIGNED | ● high |
| 2001:bb8:2003::/48 | University of Tartu | RIPE | ASSIGNED | ● high |
| 2001:bb8:2022::/48 | University of Tartu | RIPE | ASSIGNED | ● high |
| 2001:bb8:6802::/48 | University of Tartu | RIPE | ASSIGNED | ● high |
| 2001:bb8:7010::/48 | University of Tartu | RIPE | ASSIGNED | ● high |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “University of” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- University of Puerto Rico 199 blocks
- University of Western Sydney 145 blocks
- UNIVERSITY OF ULSAN 78 blocks
- University of Southern California 76 blocks
- University of Central Florida 62 blocks
- UNIVERSITY OF INCHEON 59 blocks
- University of Missouri - dba the Missouri Research and Education Network (MOREnet) 55 blocks
- University of British Columbia 47 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- BIRJAND-UNIVERSITY via Iran Telecommunication Company PJS sub-allocation
- University Of Dallas Other via Fastweb SpA sub-allocation
- George University 53214 via Spitfire Network Services Limited sub-allocation
- KURDISTAN-UNIVERSITY via Allay Nawroz Telecom Company for Communication/Ltd. sub-allocation
- UNIVERSITY-OF-LINCOLN-2 sub-allocation
- UNIVERSITY-OF-LONDON-COMPUTER-CENTRE-00314227 sub-allocation
- AMERICAN-INTERCONTINENTAL-UNIVERSITY-NETID6405 via Exponential-E Ltd. sub-allocation
- University-Of-Chichester via British Telecommunications Limited sub-allocation
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(41 of 41)
Possible discrepancies (34)
These blocks are registered to University of Tartu 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.
| 2001:bb8:2002::/48 /48 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 2001:bb8:2003::/48 /48 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 2001:bb8:2022::/48 /48 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 2001:bb8:6802::/48 /48 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 2001:bb8:7010::/48 /48 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.152.0/22 /22 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.36.0/23 /23 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.44.0/23 /23 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.11.0/24 /24 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.5.0/24 /24 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.121.0/24 /24 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.23.0/24 /24 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.31.0/24 /24 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.26.0/24 /24 | authorized for AS3221 — Haridus- ja Teadusministeerium |
| 193.40.14.0/24 /24 | authorized for AS3221 — Haridus- ja Teadusministeerium |
+19 more — see the REST API
NIC Handles
DUMY-RIPE
DUMY-RIPE
EENET-MNT
ORG-UT38-RIPE
UT1-EE