Johannes Wilhelmus Buurman trading as De Hosting Firma
Cluster stats
| Netblocks | 3 |
| All fragments | 248 blocks across 82 clusters |
| Cluster ID | 191624465 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| 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 | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.91.122.0/24 | Johannes Wilhelmus Buurman trading as De Hosting Firma | RIPE | ALLOCATED PA | ● low |
| 2a13:9b40::/48 | Johannes Wilhelmus Buurman trading as De Hosting Firma | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a13:9b40::/29 | Johannes Wilhelmus Buurman trading as De Hosting Firma | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(3 of 3)
Possible discrepancies (3)
These blocks are registered to Johannes Wilhelmus Buurman trading as De Hosting Firma 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.
| 2a13:9b40::/29 /29 | authorized for AS39637 — ADES BV |
| 2a13:9b40::/48 /48 | authorized for AS39637 — ADES BV |
| 45.91.122.0/24 /24 | authorized for AS39637 — ADES BV |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-JWBT1-RIPE
RIPE-NCC-HM-MNT
lir-nl-dehostingfirma-1-MNT