Quad9 Stiftung
BGP inherited
Cluster stats
| Netblocks | 4 |
| All fragments | 17 blocks across 3 clusters |
| Cluster ID | 205940091 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.136.252.224/28 | Quad9 Stiftung | RIPE | ASSIGNED PA | ● high |
| 2001:690:200c::/48 | Quad9 Stiftung | RIPE | ASSIGNED | ● high |
| 185.60.181.0/24 | Quad9 Stiftung | RIPE | ALLOCATED PA | ● low |
| 2a14:af00::/29 | Quad9 Stiftung | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
75.0%
of checked blocks have valid RPKI ROA coverage
(3 of 4)
Possible discrepancies (1)
These blocks are registered to Quad9 Stiftung 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.
| 2001:690:200c::/48 /48 | authorized for AS1930 — Fundacao para a Ciencia e a Tecnologia, I.P. |
NIC Handles
AS1930-MNT
DUMY-RIPE
DUMY-RIPE
ORG-QS55-RIPE
ORG-QS58-RIPE
RIPE-NCC-HM-MNT
lir-ch-quad9-1-MNT