Certto Telecomunicações

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks13 · 11,268 IPv4 addresses
IPv6 4 prefixes (largest 2001:12f8:0:33::5/128)
Registered in Brazil (8) · United States (1)
Cluster ID222461526
RegistryPEERINGDB
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

5 weekly snapshots · JSON
13 +5 netblocks since 2026-07-13
2026-07-13 peak 13 2026-08-16

IP Ranges (13)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.184.146.31/32 Certto Telecomunicações PEERINGDB ASSIGNED ● high
45.227.3.5/32 Certto Telecomunicações PEERINGDB ASSIGNED ● high
64.191.233.136/32 Certto Telecomunicações PEERINGDB ASSIGNED ● high
187.16.212.240/32 Certto Telecomunicações PEERINGDB ASSIGNED ● high
2001:504:0:7:0:2:8130:1/128 Certto Telecomunicações PEERINGDB ASSIGNED ● high
2001:12f8::212:240/128 Certto Telecomunicações PEERINGDB ASSIGNED ● high
2001:12f8:0:4::31/128 Certto Telecomunicações PEERINGDB ASSIGNED ● high
2001:12f8:0:33::5/128 Certto Telecomunicações PEERINGDB ASSIGNED ● high
170.150.164.0/22 CERTTO TELECOMUNICAÇÕES LTDA EPP. ARIN ALLOCATED ● low
186.227.96.0/20 CERTTO TELECOMUNICAÇÕES LTDA EPP. ARIN ALLOCATED ● low
186.251.144.0/22 CERTTO TELECOMUNICAÇÕES LTDA EPP. ARIN ALLOCATED ● low
186.251.148.0/22 CERTTO TELECOMUNICAÇÕES LTDA EPP. ARIN ALLOCATED ● low
187.19.96.0/20 CERTTO TELECOMUNICAÇÕES LTDA EPP. ARIN ALLOCATED ● low

IPv6 ranges (4)

CIDR
2001:12f8:0:33::5/128
2001:12f8:0:4::31/128
2001:12f8::212:240/128
2001:504:0:7:0:2:8130:1/128

Network trust

what's this?
RPKI hygiene: B how networks compare →
84.6% of checked blocks have valid RPKI ROA coverage (11 of 13)
Possible discrepancies (5)

These blocks are registered to Certto Telecomunicações 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.

186.227.96.0/20 /20 authorized for AS28130 — AS28130
187.19.96.0/20 /20 authorized for AS28130 — AS28130
170.150.164.0/22 /22 authorized for AS28130 — AS28130
186.251.144.0/22 /22 authorized for AS28130 — AS28130
186.251.148.0/22 /22 authorized for AS28130 — AS28130

NIC Handles

00796307000140 AS28130 LRO LRO LRO