Dennis Przytarski
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 5 · 257 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2a05:dfc1:6400::/40) |
| Registered in | Germany (1) · Netherlands (1) |
| Cluster ID | 213750931 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-26
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.239.117.73/32 | Dennis Przytarski | PEERINGDB | ASSIGNED | ● high |
| 2001:678:acc::/48 | Dennis Przytarski | BGP | ANNOUNCED | ● high |
| 2001:7f8:13::a513:9321:1/128 | Dennis Przytarski | PEERINGDB | ASSIGNED | ● high |
| 199.89.231.0/24 | Dennis Przytarski | RIPE | LEGACY | ● low |
| 2a05:dfc1:6400::/40 | Dennis Przytarski | RIPE | ALLOCATED-BY-LIR | ● low |
IPv6 ranges (3)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
Possible discrepancies (1)
These blocks are registered to Dennis Przytarski 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.
| 2a05:dfc1:6400::/40 /40 | authorized for AS207427 — IBILLY MEDIA GROUP LTD |
NIC Handles
AS139321
AS139321
CLOUDIE-MNT
DPR-MNT
DPR-MNT
DUMY-RIPE
DUMY-RIPE
ORG-DP134-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-LEGACY-MNT