SIC Informática e Tecnologia Ltda.
BGP inherited
Cluster stats
| Netblocks | 15 |
| All fragments | 76 blocks across 19 clusters |
| Cluster ID | 191586576 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 1 shared RIR contact/maintainer handle |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
15
0 netblocks since 2026-07-05
2026-07-05
peak 15
2026-07-12
IP Ranges (15)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 170.245.36.0/24 | AS266021 | BGP | ANNOUNCED | ● high |
| 170.245.36.0/22 | AS266021 | BGP | ANNOUNCED | ● high |
| 170.245.36.0/23 | AS266021 | BGP | ANNOUNCED | ● high |
| 170.245.37.0/24 | AS266021 | BGP | ANNOUNCED | ● high |
| 170.245.38.0/23 | AS266021 | BGP | ANNOUNCED | ● high |
| 170.245.38.0/24 | AS266021 | BGP | ANNOUNCED | ● high |
| 170.245.39.0/24 | AS266021 | BGP | ANNOUNCED | ● high |
| 2804:3940::/33 | AS266021 | BGP | ANNOUNCED | ● high |
| 2804:3940::/32 | AS266021 | BGP | ANNOUNCED | ● high |
| 2804:3940::/34 | AS266021 | BGP | ANNOUNCED | ● high |
| 2804:3940:4000::/34 | AS266021 | BGP | ANNOUNCED | ● high |
| 2804:3940:8000::/33 | AS266021 | BGP | ANNOUNCED | ● high |
| 2804:3940:8000::/34 | AS266021 | BGP | ANNOUNCED | ● high |
| 2804:3940:c000::/34 | AS266021 | BGP | ANNOUNCED | ● high |
| 2804:3940::/32 | UNKNOWN | LACNIC | allocated | ● medium |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(15 of 15)
Possible discrepancies (15)
These blocks are registered to SIC Informática e Tecnologia Ltda. 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.
| 2804:3940::/32 /32 | authorized for AS266021 — AS266021 |
| 2804:3940::/32 /32 | authorized for AS266021 — AS266021 |
| 2804:3940::/33 /33 | authorized for AS266021 — AS266021 |
| 2804:3940:8000::/33 /33 | authorized for AS266021 — AS266021 |
| 2804:3940::/34 /34 | authorized for AS266021 — AS266021 |
| 2804:3940:4000::/34 /34 | authorized for AS266021 — AS266021 |
| 2804:3940:8000::/34 /34 | authorized for AS266021 — AS266021 |
| 2804:3940:c000::/34 /34 | authorized for AS266021 — AS266021 |
| 170.245.36.0/22 /22 | authorized for AS266021 — AS266021 |
| 170.245.36.0/23 /23 | authorized for AS266021 — AS266021 |
| 170.245.38.0/23 /23 | authorized for AS266021 — AS266021 |
| 170.245.36.0/24 /24 | authorized for AS266021 — AS266021 |
| 170.245.37.0/24 /24 | authorized for AS266021 — AS266021 |
| 170.245.38.0/24 /24 | authorized for AS266021 — AS266021 |
| 170.245.39.0/24 /24 | authorized for AS266021 — AS266021 |
NIC Handles
AS266021