SIX
Cluster stats
| Netblocks | 11 |
| All fragments | 303 blocks across 61 clusters |
| Cluster ID | 191923230 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 83.167.204.216/30 | SIX | RIPE | ASSIGNED PA | ● low |
| 88.157.233.204/30 | SIX | RIPE | ASSIGNED PA | ● low |
| 193.156.127.0/24 | SIX | RIPE | ASSIGNED PA | ● low |
| 194.6.167.16/29 | SIX-NET | RIPE | ASSIGNED PA | ● low |
| 194.237.150.56/29 | SE-SIX | RIPE | ASSIGNED PA | ● low |
| 195.198.187.0/27 | SE-SIX | RIPE | ASSIGNED PA | ● low |
| 195.198.203.192/27 | SE-SIX | RIPE | ASSIGNED PA | ● low |
| 212.243.133.128/29 | SIX-NET | RIPE | ASSIGNED PA | ● low |
| 2a01:4640:100::/40 | SIX | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:4640:200::/40 | SIX | RIPE | ALLOCATED-BY-LIR | ● low |
| 2a01:4640:c800::/40 | SIX | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(11 of 11)
Possible discrepancies (4)
These blocks are registered to SIX but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a01:4640:100::/40 /40 | authorized for AS19905 — Vercara, LLC |
| 2a01:4640:200::/40 /40 | authorized for AS19905 — Vercara, LLC |
| 2a01:4640:c800::/40 /40 | authorized for AS19905 — Vercara, LLC |
| 193.156.127.0/24 /24 | authorized for AS224 — SIKT - KUNNSKAPSSEKTORENS TJENESTELEVERANDOR |
NIC Handles
CH-UNISOURCE-MNT
DUMY-RIPE
DUMY-RIPE
IP-MNT
SIX-GROUP-MNT
TELIANET-LIR
TNF-MNT
UNINETT-MNT