Matthias Fetzer
Cluster stats
| Netblocks | 27 |
| All fragments | 157 blocks across 78 clusters |
| Cluster ID | 191626832 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 13 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
27
0 netblocks since 2026-07-05
2026-07-05
peak 27
2026-07-06
IP Ranges (27)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 195.191.80.0/24 | Matthias Fetzer | BGP | ANNOUNCED | ● high |
| 195.191.80.0/24 | Matthias Fetzer | RIPE | ASSIGNED PI | ● high |
| 195.191.81.0/24 | Matthias Fetzer | RIPE | ASSIGNED PI | ● high |
| 195.191.81.0/24 | Matthias Fetzer | BGP | ANNOUNCED | ● high |
| 2a00:1908:fff0::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff1::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff2::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff3::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff4::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff5::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff6::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff7::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff8::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fff9::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fffa::/48 | Matthias Fetzer | BGP | ANNOUNCED | ● high |
| 2a00:1908:fffa::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fffb::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fffc::/48 | Matthias Fetzer | BGP | ANNOUNCED | ● high |
| 2a00:1908:fffc::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fffd::/48 | Matthias Fetzer | BGP | ANNOUNCED | ● high |
| 2a00:1908:fffd::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fffe::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 2a00:1908:fffe::/48 | Matthias Fetzer | BGP | ANNOUNCED | ● high |
| 2a00:1908:ffff::/48 | Matthias Fetzer | BGP | ANNOUNCED | ● high |
| 2a00:1908:ffff::/48 | Matthias Fetzer | RIPE | ASSIGNED | ● high |
| 203.98.178.100/30 | MATTHIAS-HK | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2a01:4f8:141:42f0::/64 | MATTHIAS-FETZER | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
63.0%
of checked blocks have valid RPKI ROA coverage
(17 of 27)
No discrepancies found among checked blocks.
NIC Handles
AH1343-AP
AS205365
DUMY-RIPE
DUMY-RIPE
FETZER-MNT
FETZER-MNT
HOS-GUN
INTER-MNT
MAINT-HK-HKBNESL
MH1716-AP
NC315-AP
ORG-MF111-RIPE
+1 more