ULTRANET VALE DO RIBEIRA LTDA
Cluster stats
Netblocks12
All fragments 541 blocks across 22 clusters
Cluster ID191811562
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 2 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names 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
45.184.147.21/32 ULTRANET VALE DO RIBEIRA LTDA PEERINGDB ASSIGNED ● high
187.16.217.169/32 ULTRANET VALE DO RIBEIRA LTDA PEERINGDB ASSIGNED ● high
2001:12f8::217:169/128 ULTRANET VALE DO RIBEIRA LTDA PEERINGDB ASSIGNED ● high
2001:12f8:0:4::147:21/128 ULTRANET VALE DO RIBEIRA LTDA PEERINGDB ASSIGNED ● high
2804:934c::/32 ULTRANET VALE DO RIBEIRA LTDA BGP ANNOUNCED ● high
2804:934c::/33 ULTRANET VALE DO RIBEIRA LTDA BGP ANNOUNCED ● high
2804:934c::/34 ULTRANET VALE DO RIBEIRA LTDA BGP ANNOUNCED ● high
2804:934c:4000::/34 ULTRANET VALE DO RIBEIRA LTDA BGP ANNOUNCED ● high
2804:934c:8000::/34 ULTRANET VALE DO RIBEIRA LTDA BGP ANNOUNCED ● high
2804:934c:8000::/33 ULTRANET VALE DO RIBEIRA LTDA BGP ANNOUNCED ● high
2804:934c:c000::/34 ULTRANET VALE DO RIBEIRA LTDA BGP ANNOUNCED ● high
2804:934c:c0d3::/48 ULTRANET VALE DO RIBEIRA LTDA 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)
No discrepancies found among checked blocks.

NIC Handles

AS274768 AS274768