University of London
Data as of 2026-10-25
BGP inherited
This organisation
| Netblocks | 4 · 100,608 IPv4 addresses |
| Also registered under this name | 6 netblocks across 3 separate records |
| Record ID | 255611960 |
| Registry | RIPE |
| Customers | see who runs inside 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 · report an issue | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 128.86.128.0/17 | University of London | RIPE | LEGACY | ● high |
| 137.253.0.0/16 | University of London | RIPE | LEGACY | ● high |
| 192.12.72.0/24 | University of London | RIPE | LEGACY | ● high |
| 192.138.1.0 – 192.138.8.255 | University of London | RIPE | LEGACY | ● high |
Other domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: C
how networks compare →
75.0%
of checked blocks have valid RPKI ROA coverage
(3 of 4)
No discrepancies found among checked blocks.
Routed via provider/NREN (3)
These blocks are cryptographically authorized for this organisation's national research & education network or transit provider — expected topology for an institution that routes through it, not a discrepancy.
| 137.253.0.0/16 /16 | routed via AS786 — Jisc (Jisc Services Limited) |
| 128.86.128.0/17 /17 | routed via AS786 — Jisc (Jisc Services Limited) |
| 192.12.72.0/24 /24 | routed via AS786 — Jisc (Jisc Services Limited) |
NIC Handles
DUMY-RIPE
DUMY-RIPE
JANET-HOSTMASTER
ORG-UOLC1-RIPE
RIPE-NCC-LEGACY-MNT