TWS Technologies B.V.

Data as of 2026-11-08

BGP inherited

This organisation

Netblocks	7 · 4,616 IPv4 addresses
IPv6	2 prefixes (largest 2a00:1bc8::/29)
Registered in	Germany (3) · Netherlands (3)
Record ID	265926437
Registry	BGP
Customers	see who runs inside this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 10 shared RIR contact/maintainer handles
Registry names	4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (7)

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CIDR	Org name	Registry	Status	Confidence
2.152.94.0/23	TWS technologies GmbH	BGP	ANNOUNCED	● high
2a0c:ac00::/29	TWS technologies GmbH	BGP	ANNOUNCED	● high
89.106.160.0/21	TWS Technologies B.V.	RIPE	ALLOCATED PA	● low
139.28.112.0/22	TWS Technologies B.V.	RIPE	ALLOCATED PA	● low
185.3.176.0/22	TWS Technologies B.V.	RIPE	ALLOCATED PA	● low
217.24.205.88/29	TWS_NET#2	RIPE	ASSIGNED PA	● low
2a00:1bc8::/29	TWS Technologies B.V.	RIPE	ALLOCATED-BY-RIR	● low

IPv6 ranges (2)

CIDR
2a00:1bc8::/29
2a0c:ac00::/29

Footprint over time

10 weekly snapshots · JSON

9 +3 netblocks since 2026-09-06

2026-09-06 peak 9 2026-11-08

Network trust

what's this?

RPKI hygiene: C how networks compare →

55.6% of checked blocks have valid RPKI ROA coverage (5 of 9)

Possible discrepancies (4)

These blocks are registered to TWS Technologies B.V. 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.

2a00:1bc8::/29 /29	authorized for AS21221 — Infopact Netwerkdiensten B.V.
89.106.160.0/21 /21	authorized for AS21221 — Infopact Netwerkdiensten B.V.
185.3.176.0/22 /22	authorized for AS21221 — Infopact Netwerkdiensten B.V.
139.28.112.0/22 /22	authorized for AS21221 — Infopact Netwerkdiensten B.V.

NIC Handles

AS218370 DUMY-RIPE DUMY-RIPE ORG-TTB7-RIPE ORG-TTG14-RIPE RIPE-NCC-HM-MNT TELEDATA-MNT TWSNETWORKS lir-de-twstechnologies-1-MNT mdewolff