JR & JS ENGENHARIA E COMÉRCIO LTDA

Data as of 2026-08-23
BGP inherited
Cluster stats
Netblocks11 · 11,778 IPv4 addresses
IPv6 2 prefixes (largest 2001:12f8::208:4/128)
Registered in Brazil (8) · United States (1)
Cluster ID227014264
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

9 weekly snapshots · JSON
11 -30 netblocks since 2026-07-05
2026-07-05 peak 374 2026-08-23

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
64.191.233.220/32 JR & JS ENGENHARIA E COMÉRCIO LTDA PEERINGDB ASSIGNED ● high
187.16.208.4/32 JR & JS ENGENHARIA E COMÉRCIO LTDA PEERINGDB ASSIGNED ● high
2001:504:0:7:0:2:8189:1/128 JR & JS ENGENHARIA E COMÉRCIO LTDA PEERINGDB ASSIGNED ● high
2001:12f8::208:4/128 JR & JS ENGENHARIA E COMÉRCIO LTDA PEERINGDB ASSIGNED ● high
186.224.192.0/20 JR & JS ENGENHARIA E COMÉRCIO LTDA ARIN ALLOCATED ● low
186.224.196.0/24 JR & JS ENGENHARIA E COMÉRCIO LTDA BGP ANNOUNCED ● low
186.224.207.0/24 JR & JS ENGENHARIA E COMÉRCIO LTDA BGP ANNOUNCED ● low
186.224.208.0/20 JR & JS ENGENHARIA E COMÉRCIO LTDA ARIN ALLOCATED ● low
189.90.2.0/23 JR & JS ENGENHARIA E COMÉRCIO LTDA ARIN ALLOCATED ● low
189.90.4.0/22 JR & JS ENGENHARIA E COMÉRCIO LTDA ARIN ALLOCATED ● low
189.90.8.0/21 JR & JS ENGENHARIA E COMÉRCIO LTDA ARIN ALLOCATED ● low

IPv6 ranges (2)

CIDR
2001:12f8::208:4/128
2001:504:0:7:0:2:8189:1/128

Network trust

what's this?
RPKI hygiene: F how networks compare →
18.2% of checked blocks have valid RPKI ROA coverage (2 of 11)
No discrepancies found among checked blocks.

NIC Handles

54750997000126 AS28189 AS28189 JJTLT12 JJTLT12 JJTLT12