NASK SPÓŁKA AKCYJNA

NASK Spolka Akcyjna
Data as of 2026-07-26
GLEIF verified
LEI
259400ERBQKS1MM7AU19
Registered name
NASK SPÓŁKA AKCYJNA
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks19 · 70,248 IPv4 addresses
IPv6 1 prefix (largest 2a0a:3a40::/32)
Cluster ID213215536
RegistryBGP
Owner jurisdictionPL
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 259400ERBQKS1MM7AU19
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
19 -15 netblocks since 2026-07-05
2026-07-05 peak 34 2026-07-26

IP Ranges (19)

⬇ export CSV
CIDR Org name Registry Status Confidence
185.193.160.0/24 NASK Spolka Akcyjna BGP ANNOUNCED ● high
185.193.161.0/24 NASK Spolka Akcyjna BGP ANNOUNCED ● high
185.193.160.0/22 NASK Spolka Akcyjna RIPE ALLOCATED PA ● low
193.59.200.0/24 NASK-PTP RIPE ASSIGNED PA ● low
193.59.202.0/24 NASK-PTP RIPE ASSIGNED PA ● low
193.59.204.0/24 NASK-LAN RIPE ASSIGNED PA ● low
193.59.205.0/24 NASK-LAN RIPE ASSIGNED PA ● low
193.164.134.0/23 NASK Spolka Akcyjna RIPE ALLOCATED PA ● low
193.164.208.0/23 NASK Spolka Akcyjna RIPE ALLOCATED PA ● low
194.92.0.0/16 NASK Spolka Akcyjna RIPE ALLOCATED PA ● low
194.181.28.32/27 NASK-INT RIPE ASSIGNED PA ● low
194.181.52.0/24 NASK-CF-UTM RIPE ASSIGNED PA ● low
194.181.53.0/24 NASK-CF-UTM RIPE ASSIGNED PA ● low
194.181.54.0/24 NASK-CF-UTM RIPE ASSIGNED PA ● low
194.181.190.240/29 NASK-NCC RIPE ASSIGNED PA ● low
195.187.10.192/26 NASK-LAN RIPE ASSIGNED PA ● low
195.187.238.0/23 NASK-LAN RIPE ASSIGNED PA ● low
195.187.243.0/24 NASK-LAN RIPE ASSIGNED PA ● low
2a0a:3a40::/32 NASK Spolka Akcyjna RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: B how networks compare →
94.7% of checked blocks have valid RPKI ROA coverage (18 of 19)
Possible discrepancies (12)

These blocks are registered to NASK Spolka Akcyjna 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.

2a0a:3a40::/32 /32 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
194.92.0.0/16 /16 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
195.187.238.0/23 /23 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
193.164.134.0/23 /23 authorized for AS202971 — Progress Net Sp. z o.o.
193.59.204.0/24 /24 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
193.59.200.0/24 /24 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
193.59.202.0/24 /24 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
195.187.243.0/24 /24 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
193.59.205.0/24 /24 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
194.181.52.0/24 /24 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
194.181.53.0/24 /24 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
194.181.54.0/24 /24 authorized for AS8308 — NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY

NIC Handles

AS211797 AS8308-MNT DUMY-RIPE DUMY-RIPE NASK-MNT NASK2-MNT NASKSA-MNT NASKSA-MNT ORG-NSA120-RIPE RIPE-NCC-HM-MNT