R3 INTERNET
Cluster stats
| Netblocks | 17 |
| All fragments | 48 blocks across 5 clusters |
| Cluster ID | 191586637 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 2 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
17
0 netblocks since 2026-07-05
2026-07-05
peak 17
2026-07-06
IP Ranges (17)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.4.120.0/24 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 45.4.120.0/22 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 45.4.120.0/23 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 45.4.121.0/24 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 45.4.122.0/24 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 45.4.122.0/23 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 45.4.123.0/24 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 187.16.208.54/32 | R3 INTERNET | PEERINGDB | ASSIGNED | ● high |
| 2001:12f8::208:54/128 | R3 INTERNET | PEERINGDB | ASSIGNED | ● high |
| 2804:3a1c::/33 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 2804:3a1c::/32 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 2804:3a1c::/34 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 2804:3a1c:4000::/34 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 2804:3a1c:8000::/34 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 2804:3a1c:8000::/33 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 2804:3a1c:c000::/34 | R3 INTERNET | BGP | ANNOUNCED | ● high |
| 2804:3a1c::/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
(17 of 17)
No discrepancies found among checked blocks.
NIC Handles
AS266071
AS266071