Kayzer Internet A.S
Cluster stats
| Netblocks | 9 |
| All fragments | 11 blocks across 3 clusters |
| Cluster ID | 191742709 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-06
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 188.132.135.0/24 | Kayzer Internet A.S | RIPE | ASSIGNED PA | ● high |
| 188.132.147.0/24 | Kayzer Internet A.S | RIPE | ASSIGNED PA | ● high |
| 212.68.41.0/24 | Kayzer Internet A.S | RIPE | ASSIGNED PA | ● high |
| 212.68.42.0/24 | Kayzer Internet A.S | RIPE | ASSIGNED PA | ● high |
| 212.68.46.0/24 | Kayzer Internet A.S | RIPE | ASSIGNED PA | ● high |
| 212.68.50.0/24 | Kayzer Internet A.S | RIPE | ASSIGNED PA | ● high |
| 185.51.20.0/24 | Kayzer Internet A.S | RIPE | ALLOCATED PA | ● low |
| 193.33.29.0/24 | Kayzer Internet A.S | RIPE | ALLOCATED PA | ● low |
| 2a10:7940::/29 | Kayzer Internet A.S | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
77.8%
of checked blocks have valid RPKI ROA coverage
(7 of 9)
Possible discrepancies (7)
These blocks are registered to Kayzer Internet A.S 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.
| 212.68.41.0/24 /24 | authorized for AS42910 — PremierDC Veri Merkezi Anonim Sirketi |
| 212.68.42.0/24 /24 | authorized for AS42910 — PremierDC Veri Merkezi Anonim Sirketi |
| 212.68.50.0/24 /24 | authorized for AS42910 — PremierDC Veri Merkezi Anonim Sirketi |
| 212.68.46.0/24 /24 | authorized for AS42910 — PremierDC Veri Merkezi Anonim Sirketi |
| 188.132.147.0/24 /24 | authorized for AS42910 — PremierDC Veri Merkezi Anonim Sirketi |
| 188.132.135.0/24 /24 | authorized for AS42910 — PremierDC Veri Merkezi Anonim Sirketi |
| 185.51.20.0/24 /24 | authorized for AS42910 — PremierDC Veri Merkezi Anonim Sirketi |
NIC Handles
AS42910
DUMY-RIPE
DUMY-RIPE
ORG-KIA25-RIPE
ORG-KIA29-RIPE
RIPE-NCC-HM-MNT
mnt-tr-kayzer-1