OPEN SYSTEM LTDA

Data as of 2026-08-09
BGP inherited
Cluster stats
Netblocks1 · 2,048 IPv4 addresses
All fragments 3 blocks across 3 clusters
Cluster ID219773765
RegistryARIN
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (1)

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CIDR Org name Registry Status Confidence
201.87.224.0/21 OPEN SYSTEM LTDA ARIN ALLOCATED ● high

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (1 of 1)
Possible discrepancies (1)

These blocks are registered to OPEN SYSTEM LTDA 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.

201.87.224.0/21 /21 authorized for AS28660 — AS28660

NIC Handles

41848334000105 TWI6 TWI6 TWI6 p12