Mark Michiel Janssen trading as SIG-I/O automatisering
BGP inherited
Cluster stats
| Netblocks | 2 |
| All fragments | 684 blocks across 480 clusters |
| Cluster ID | 194220463 |
| 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 | |
IP Ranges (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.11.28.0/22 | Mark Michiel Janssen trading as SIG-I/O automatisering | RIPE | ALLOCATED PA | ● low |
| 2a0e:5700::/32 | Mark Michiel Janssen trading as SIG-I/O automatisering | 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
(2 of 2)
Possible discrepancies (2)
These blocks are registered to Mark Michiel Janssen trading as SIG-I/O automatisering 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.
| 2a0e:5700::/32 /32 | authorized for AS58291 — ColoCenter b.v. |
| 45.11.28.0/22 /22 | authorized for AS58291 — ColoCenter b.v. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-MMJT1-RIPE
RIPE-NCC-HM-MNT
mnt-nl-sigio-1