BIF IV
Cluster stats
| Netblocks | 15 |
| All fragments | 16 blocks across 2 clusters |
| Cluster ID | 191664384 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 8 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
15
0 netblocks since 2026-07-05
2026-07-05
peak 15
2026-07-06
IP Ranges (15)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 66.33.8.0/21 | BIF IV | BGP | ANNOUNCED | ● high |
| 66.33.8.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 66.33.9.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 66.33.10.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 66.33.11.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 66.33.12.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 66.33.13.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 66.33.14.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 66.33.15.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 72.57.0.0/19 | BIF IV | ARIN | ● high | |
| 72.57.0.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 72.57.1.0/24 | BIF IV | BGP | ANNOUNCED | ● high |
| 2607:3640::/32 | BIF IV | BGP | ANNOUNCED | ● high |
| 2607:3640:1000::/36 | BIF IV | BGP | ANNOUNCED | ● high |
| 2607:3640:2000::/36 | BIF IV | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(15 of 15)
No discrepancies found among checked blocks.
NIC Handles
AS394056
BIAA-ARIN
BIAA-ARIN
BIAA-ARIN
BIAA-ARIN
BIAA-ARIN
BIAA-ARIN
BIIOL