DUPONT & SCHWANKE LTDA

Data as of 2026-10-11
BGP inherited
This organisation
Netblocks11 · 1,024 IPv4 addresses
IPv6 6 prefixes (largest 2804:2b34::/32)
Also registered under this name 19 netblocks across 2 separate records
Record ID245701630
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 1 shared RIR contact/maintainer handle
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
143.255.0.0/22 UNKNOWN LACNIC allocated ● high
143.255.0.0/23 UNKNOWN LACNIC reassigned ● high
143.255.0.0/24 DUPONT & SCHWANKE LTDA BGP ANNOUNCED ● high
143.255.2.0/23 DUPONT & SCHWANKE LTDA BGP ANNOUNCED ● high
143.255.2.0/24 DUPONT & SCHWANKE LTDA BGP ANNOUNCED ● high
2804:2b34::/32 UNKNOWN LACNIC allocated ● high
2804:2b34::/34 DUPONT & SCHWANKE LTDA BGP ANNOUNCED ● high
2804:2b34::/33 DUPONT & SCHWANKE LTDA BGP ANNOUNCED ● high
2804:2b34:4000::/34 DUPONT & SCHWANKE LTDA BGP ANNOUNCED ● high
2804:2b34:8000::/33 UNKNOWN LACNIC reassigned ● high
2804:2b34:c000::/34 DUPONT & SCHWANKE LTDA BGP ANNOUNCED ● high

IPv6 ranges (6)

Footprint over time

8 weekly snapshots · JSON
17 +4 netblocks since 2026-07-05
2026-07-05 peak 17 2026-10-11

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (17 of 17)
No discrepancies found among checked blocks.

NIC Handles

AS265140