ITB-Kwadraat B.V.
ITB-Kwadraat BV
LEI
724500JSHXCOEA7NYA07
Registered name
ITB-Kwadraat B.V.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 19 |
| All fragments | 74 blocks across 35 clusters |
| Cluster ID | 191597985 |
| Registry | BGP |
| Owner jurisdiction | NL |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 724500JSHXCOEA7NYA07 |
| Shared handles | clustered on 20 shared RIR contact/maintainer handles |
| Registry names | 8 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (19)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.11.12.0/22 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 81.163.200.0/21 | ITB Sp. z o.o. | BGP | ANNOUNCED | ● high |
| 81.163.200.0/21 | ITB Sp. z o.o. | RIPE | ASSIGNED PI | ● high |
| 185.42.56.0/22 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 185.251.236.0/22 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 2001:67c:d64::/48 | ITB Sp. z o.o. | RIPE | ASSIGNED PI | ● high |
| 2a04:8e40::/29 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 2a0c:1ec0::/29 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 2a0c:1ec0::/32 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 2a0c:1ec1::/32 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 2a0c:1ec2::/32 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 2a0c:1ec3::/32 | ITB-Kwadraat BV | BGP | ANNOUNCED | ● high |
| 37.28.165.60/30 | ITB-LAN | RIPE | ASSIGNED PA | ● low |
| 45.11.12.0/22 | ITB-Kwadraat BV | RIPE | ALLOCATED PA | ● low |
| 83.246.240.0/22 | ITB-RTL-HN-L54 | RIPE | ASSIGNED PA | ● low |
| 83.246.252.0/23 | ITB-RTL-PPPOE2 | RIPE | ASSIGNED PA | ● low |
| 83.246.254.0/23 | ITB-RTL-PPPOE1 | RIPE | ASSIGNED PA | ● low |
| 185.42.56.0/22 | ITB-Kwadraat BV | RIPE | ALLOCATED PA | ● low |
| 2a04:8e40::/29 | ITB-Kwadraat BV | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
84.2%
of checked blocks have valid RPKI ROA coverage
(16 of 19)
Possible discrepancies (6)
These blocks are registered to ITB-Kwadraat BV 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.
| 2a0c:1ec0::/29 /29 | authorized for AS60341 — Ekco B.V. |
| 2a0c:1ec0::/32 /32 | authorized for AS60341 — Ekco B.V. |
| 2a0c:1ec1::/32 /32 | authorized for AS60341 — Ekco B.V. |
| 2a0c:1ec2::/32 /32 | authorized for AS60341 — Ekco B.V. |
| 2a0c:1ec3::/32 /32 | authorized for AS60341 — Ekco B.V. |
| 185.251.236.0/22 /22 | authorized for AS60341 — Ekco B.V. |
NIC Handles
AS199927
AS59782
BREEDBAND-MNT
DUMY-RIPE
DUMY-RIPE
LUNA-MNT
MNT-DATACOMFORT
MNT-EXATEL
MNT-INTELBI
MNT-InterBlock
MNT-InterBlock
MNT-MF-NWGSM
+8 more