Seifert
SEIFERT
Registry
Cluster stats
| Netblocks | 7 |
| Registered in | Poland (6) · MT (1) |
| All fragments | 19 blocks across 6 clusters |
| Cluster ID | 210284564 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-19
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 77.252.222.224/29 | SEIFERT | RIPE | ASSIGNED PA | ● low |
| 78.11.114.240/30 | SEIFERT | RIPE | ASSIGNED PA | ● low |
| 85.128.110.0/30 | SEIFERT | RIPE | ASSIGNED PA | ● low |
| 87.204.52.232/29 | SEIFERT | RIPE | ASSIGNED PA | ● low |
| 89.171.128.8/29 | SEIFERT | RIPE | ASSIGNED PA | ● low |
| 159.20.28.248/29 | Seifert | RIPE | ASSIGNED PA | ● low |
| 213.241.10.32/29 | SEIFERT | RIPE | ASSIGNED PA | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “SEIFERT” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- SEIFERT-POLSKA 4 blocks
- SEIFERT-LOGISTICS-LUEBECK-NET 4 blocks
- SEIFERT-AUTOMOTIVE 2 blocks
- SEIFERT-Katowice 1 blocks
- SEIFERT-AUTOMOTIVE-LOGISTICS-FRANCE_J2271-00001-002 1 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- GERMAN-AUTONET-FORD-SEIFERT-FREITAL via Deutsche Telekom AG sub-allocation
- SEIFERTPARTN-HWY-AT via A1 Telekom Austria AG sub-allocation
- SEIFERTCHRIS-HWY-AT via A1 Telekom Austria AG sub-allocation
- CL Seifert NET 1 via GlobalConnect A/S sub-allocation
- SEIFERTMARKU-HWY-AT via A1 Telekom Austria AG sub-allocation
- GYMNAZIUM-J-SEIFERTA-NET via T-Mobile Czech Republic a.s. sub-allocation
- Katowice via Netia SA sub-allocation
- Hastalska19 Seifertova via WIA spol. s.r.o. sub-allocation
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(7 of 7)
No discrepancies found among checked blocks.
NIC Handles
DUMY-RIPE
DUMY-RIPE
NETIA-MNT
VFM-MNT