Stefan Blomme
Cluster stats
| Netblocks | 17 |
| All fragments | 312 blocks across 141 clusters |
| Cluster ID | 191797855 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 13 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (17)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.1.29.7/32 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 185.1.136.11/32 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 185.1.147.84/32 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 185.177.20.2 – 185.177.20.9 | Stefan Blomme | RIPE | ASSIGNED PA | ● high |
| 185.238.243.13/32 | Stefan Blomme | RIPE | ASSIGNED PA | ● high |
| 193.189.83.32/32 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 206.81.104.225/32 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 2001:678:730::/48 | Stefan Blomme | RIPE | ASSIGNED PI | ● high |
| 2001:67c:2bb4::/48 | Stefan Blomme | BGP | ANNOUNCED | ● high |
| 2001:67c:2bb4::/48 | Stefan Blomme | RIPE | ASSIGNED PI | ● high |
| 2001:7f8:33::a120:7537:1/128 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:8a::7/128 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:ca:1::84/128 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:da:0:185:1:136:11/128 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 2602:fed2:fff:ffff::225/128 | Stefan Blomme | PEERINGDB | ASSIGNED | ● high |
| 185.133.211.0/24 | Stefan Blomme | RIPE | SUB-ALLOCATED PA | ● low |
| 2a0e:b107:540::/44 | Stefan Blomme | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
52.9%
of checked blocks have valid RPKI ROA coverage
(9 of 17)
Possible discrepancies (1)
These blocks are registered to Stefan Blomme 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.
| 2001:678:730::/48 /48 | authorized for AS6206 — Netrouting B.V. |
NIC Handles
AS207537
AS207537
BLOMME-MNT
BLOMME-MNT
DUMY-RIPE
DUMY-RIPE
ORG-SB581-RIPE
ORG-SB599-RIPE
PRAGER-MNT
RIPE-NCC-END-MNT
SBMT
SSRM-AUTO-MNT
+1 more