Tomasz Walter

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks7
IPv6 7 prefixes (largest 2a0b:4e07:260::/44)
Cluster ID214574393
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 24 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)

⬇ export CSV
CIDR Org name Registry Status Confidence
2a06:9801:7df::/48 LAGRANGE-AUTO-MNT RIPE ASSIGNED ● high
2a06:9801:7f3::/48 LAGRANGE-AUTO-MNT BGP ANNOUNCED ● high
2a06:9801:7fb::/48 LAGRANGE-AUTO-MNT BGP ANNOUNCED ● high
2a06:9801:7ff::/48 LAGRANGE-AUTO-MNT BGP ANNOUNCED ● high
2a06:9801:f15::/48 LAGRANGE-AUTO-MNT BGP ANNOUNCED ● high
2a06:9801:f1d::/48 LAGRANGE-AUTO-MNT RIPE ASSIGNED ● high
2a0b:4e07:260::/44 Tomasz Walter RIPE ASSIGNED ● high

IPv6 ranges (7)

CIDR
2a0b:4e07:260::/44
2a06:9801:7df::/48
2a06:9801:7f3::/48
2a06:9801:7fb::/48
2a06:9801:7ff::/48
2a06:9801:f15::/48
2a06:9801:f1d::/48

Network trust

what's this?
RPKI hygiene: B how networks compare →
81.8% of checked blocks have valid RPKI ROA coverage (9 of 11)
Possible discrepancies (9)

These blocks are registered to Tomasz Walter 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.

2a0b:4e07:260::/44 /44 authorized for AS219251 — LAGRANGE-AUTO-MNT
2a0b:4e07:260::/44 /44 authorized for AS219251 — LAGRANGE-AUTO-MNT
2a06:9801:7df::/48 /48 authorized for AS219251 — LAGRANGE-AUTO-MNT
2a06:9801:7df::/48 /48 authorized for AS219251 — LAGRANGE-AUTO-MNT
2a06:9801:7fb::/48 /48 authorized for AS219239 — LAGRANGE-AUTO-MNT
2a06:9801:7df::/48 /48 authorized for AS219251 — LAGRANGE-AUTO-MNT
2a06:9801:7f3::/48 /48 authorized for AS219242 — LAGRANGE-AUTO-MNT
2a06:9801:7ff::/48 /48 authorized for AS219214 — LAGRANGE-AUTO-MNT
2a06:9801:f15::/48 /48 authorized for AS219173 — LAGRANGE-AUTO-MNT

NIC Handles

AS219173 AS219214 AS219239 AS219242 AS219251 DUMY-RIPE DUMY-RIPE HOP179-MNT HOP179-MNT JD12743-RIPE JD12743-RIPE LAGRANGE-AUTO-MNT +12 more