F. DOS S. DOURADO
Cluster stats
Netblocks12
All fragments 42 blocks across 7 clusters
Cluster ID191606760
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 1 shared RIR contact/maintainer handle
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
12 0 netblocks since 2026-07-05
2026-07-05 peak 12 2026-07-06

IP Ranges (12)

⬇ export CSV
CIDR Org name Registry Status Confidence
38.172.208.0/23 F. DOS S. DOURADO BGP ANNOUNCED ● high
38.172.208.0/24 F. DOS S. DOURADO BGP ANNOUNCED ● high
38.172.208.0/22 F. DOS S. DOURADO BGP ANNOUNCED ● high
38.172.209.0/24 F. DOS S. DOURADO BGP ANNOUNCED ● high
38.172.210.0/24 F. DOS S. DOURADO BGP ANNOUNCED ● high
38.172.210.0/23 F. DOS S. DOURADO BGP ANNOUNCED ● high
38.172.211.0/24 F. DOS S. DOURADO BGP ANNOUNCED ● high
131.255.216.0/24 F. DOS S. DOURADO BGP ANNOUNCED ● high
131.255.217.0/24 F. DOS S. DOURADO BGP ANNOUNCED ● high
131.255.218.0/24 F. DOS S. DOURADO BGP ANNOUNCED ● high
131.255.219.0/24 F. DOS S. DOURADO BGP ANNOUNCED ● high
2804:2080::/32 F. DOS S. DOURADO BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: D how networks compare →
33.3% of checked blocks have valid RPKI ROA coverage (4 of 12)
Possible discrepancies (4)

These blocks are registered to F. DOS S. DOURADO 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.

131.255.216.0/24 /24 authorized for AS269705 — Jms-Telecom Ltda
131.255.217.0/24 /24 authorized for AS269705 — Jms-Telecom Ltda
131.255.218.0/24 /24 authorized for AS269705 — Jms-Telecom Ltda
131.255.219.0/24 /24 authorized for AS269705 — Jms-Telecom Ltda

NIC Handles

AS264494