Thomas Douwes

Data as of 2026-10-11
BGP inherited
This organisation
Netblocks6
IPv6 6 prefixes (largest 2a06:9801:200::/44)
Record ID246679207
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (6)

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CIDR Org name Registry Status Confidence
2001:678:d84::/48 Thomas Douwes RIPE ASSIGNED PI ● high
2a06:9801:cf::/48 Thomas Douwes BGP ANNOUNCED ● high
2a06:9801:200::/44 Thomas Douwes BGP ANNOUNCED ● high
2a06:9801:200::/48 Thomas Douwes BGP ANNOUNCED ● high
2a06:9801:201::/48 Thomas Douwes BGP ANNOUNCED ● high
2a06:9801:202::/48 Thomas Douwes BGP ANNOUNCED ● high

IPv6 ranges (6)

CIDR
2a06:9801:200::/44
2001:678:d84::/48
2a06:9801:200::/48
2a06:9801:201::/48
2a06:9801:202::/48
2a06:9801:cf::/48

Footprint over time

10 weekly snapshots · JSON
9 0 netblocks since 2026-08-09
2026-08-09 peak 9 2026-10-11

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (9 of 9)
No discrepancies found among checked blocks.

NIC Handles

AS200279 DUMY-RIPE DUMY-RIPE LAGRANGE-AUTO-MNT LSRA2-RIPE ORG-TD200-RIPE RIPE-NCC-END-MNT THOMAS-DOUWES-MNT THOMAS-DOUWES-MNT