Wroclaw Centre of Networking and Supercomputing
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 6 · 91,136 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:a48::/32) |
| Cluster ID | 214274252 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 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
6 weekly snapshots · JSON
10
0 netblocks since 2026-07-05
2026-07-05
peak 10
2026-07-26
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 156.17.0.0/16 | Wroclaw Centre of Networking and Supercomputing | BGP | ANNOUNCED | ● high |
| 212.127.64.0/19 | Wroclaw Centre of Networking and Supercomputing | BGP | ANNOUNCED | ● high |
| 213.231.192.0/18 | Wroclaw Centre of Networking and Supercomputing | BGP | ANNOUNCED | ● high |
| 2001:a48::/32 | Wroclaw Centre of Networking and Supercomputing | BGP | ANNOUNCED | ● high |
| 2001:a48:8000::/36 | Wroclaw Centre of Networking and Supercomputing | BGP | ANNOUNCED | ● high |
| 185.205.152.0/22 | Wroclaw Centre of Networking and Supercomputing | RIPE | ALLOCATED PA | ● medium |
IPv6 ranges (2)
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(10 of 10)
Possible discrepancies (1)
These blocks are registered to Wroclaw Centre of Networking and Supercomputing 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.
| 185.205.152.0/22 /22 | authorized for AS205706 — Legnica Municipal Office |
NIC Handles
AS15851
AS8970
AS8970-MNT
AS8970-MNT
DUMY-RIPE
DUMY-RIPE
ORG-WCoN1-RIPE
RIPE-NCC-HM-MNT
RIPE-NCC-LEGACY-MNT