UNIVERSIDADE DE SAO PAULO

BGP inherited
Cluster stats
Netblocks10 · 163,834 IPv4 addresses
All fragments 156 blocks across 6 clusters
Cluster ID214582641
RegistryPEERINGDB
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
10 -54 netblocks since 2026-07-05
2026-07-05 peak 64 2026-07-26

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
143.107.0.0/16 UNIVERSIDADE DE SAO PAULO ARIN ASSIGNED ● high
177.90.0.0/16 UNIVERSIDADE DE SAO PAULO ARIN ASSIGNED ● high
187.16.216.20/32 UNIVERSIDADE DE SAO PAULO PEERINGDB ASSIGNED ● high
187.16.220.3/32 UNIVERSIDADE DE SAO PAULO PEERINGDB ASSIGNED ● high
200.17.16.0/20 UNIVERSIDADE DE SAO PAULO ARIN ASSIGNED ● high
200.136.0.0/20 UNIVERSIDADE DE SAO PAULO ARIN REASSIGNED ● high
200.144.160.0/19 UNIVERSIDADE DE SAO PAULO ARIN ASSIGNED ● high
200.144.192.0/18 UNIVERSIDADE DE SAO PAULO ARIN ASSIGNED ● high
2001:12f8::20/128 UNIVERSIDADE DE SAO PAULO PEERINGDB ASSIGNED ● high
2001:12f8::220:3/128 UNIVERSIDADE DE SAO PAULO PEERINGDB ASSIGNED ● high

Domains hosted in this network

what's this?
usp.br

Network trust

what's this?
RPKI hygiene: B how networks compare →
90.0% of checked blocks have valid RPKI ROA coverage (9 of 10)
Possible discrepancies (5)

These blocks are registered to UNIVERSIDADE DE SAO PAULO 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.

143.107.0.0/16 /16 authorized for AS28571 — AS28571
200.144.192.0/18 /18 authorized for AS28571 — AS28571
200.144.160.0/19 /19 authorized for AS28571 — AS28571
200.17.16.0/20 /20 authorized for AS28571 — AS28571
200.136.0.0/20 /20 authorized for AS28571 — AS28571

NIC Handles

63025530000104 AS28571 COEUS CTIUS CUGST JMA135