RYBCZYNSKI KACPER
Data as of 2026-10-04
BGP inherited
This organisation
| Netblocks | 4 · 520 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a03:5840:15d::/48) |
| Record ID | 245708278 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 19 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 31.42.121.0/24 | RYBCZYNSKI KACPER | BGP | ANNOUNCED | ● high |
| 130.78.9.0/24 | RYBCZYNSKI KACPER | RIPE | LEGACY | ● high |
| 2a03:5840:15d::/48 | RYBCZYNSKI KACPER | BGP | ANNOUNCED | ● high |
| 212.90.157.104/29 | RYBCZYNSKI-NET0 | RIPE | ASSIGNED PA | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a03:5840:15d::/48 |
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 (3)
These blocks are registered to RYBCZYNSKI KACPER but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 31.42.121.0/24 /24 | authorized for AS153671 — liasail global hongkong limited |
| 130.78.9.0/24 /24 | authorized for AS202934 — SINCITY HOSTING LLC |
| 130.78.9.0/24 /24 | authorized for AS202934 — SINCITY HOSTING LLC |
NIC Handles
AS153671
AS215238
AS218932
AS219363
AS9294
DUMY-RIPE
DUMY-RIPE
IPBNB-MNT
IPBNB-MNT
MK-NETZDIENSTE-MNT
ORG-IL936-RIPE
ORG-RK140-RIPE
+7 more