PORR a.s.

Porr AG
Data as of 2026-08-23
GLEIF verified
LEI
31570010000000013966
Registered name
PORR a.s.
Jurisdiction
CZ
Ultimate parent
PORR AG
529900ARBU9SBJFNX419
Cluster stats
Netblocks28 · 788 IPv4 addresses
Registered in Poland (10) · Austria (9) · Switzerland (3) · Czechia (3) · Germany (3) · ME (1)
All fragments 76 blocks across 25 clusters
Cluster ID226906221
RegistryBGP
Owner jurisdictionCZ
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 31570010000000013966
Shared handles clustered on 14 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

9 weekly snapshots · JSON
29 +3 netblocks since 2026-07-05
2026-07-05 peak 29 2026-08-23

IP Ranges (28)

⬇ export CSV
CIDR Org name Registry Status Confidence
195.216.229.0/24 Porr AG BGP ANNOUNCED ● high
62.99.145.160/27 PORR-AG RIPE ASSIGNED PA ● low
81.15.130.144/28 PORR-NET RIPE ASSIGNED PA ● low
81.223.115.64/27 PORR-AG RIPE ASSIGNED PA ● low
81.223.115.96/29 PORR-AG RIPE ASSIGNED PA ● low
81.223.211.40/30 PORR-AG RIPE ASSIGNED PA ● low
82.177.20.16/28 PORR-NET RIPE ASSIGNED PA ● low
82.177.160.56/29 PORR-NET RIPE ASSIGNED PA ● low
83.64.4.112/29 PORR-AG RIPE ASSIGNED PA ● low
83.64.66.52/30 PORR-AG RIPE ASSIGNED PA ● low
88.220.54.0/24 PORR-NET RIPE ASSIGNED PA ● low
91.118.152.104/29 PORR-AG RIPE ASSIGNED PA ● low
145.253.134.104/29 PORR-NET RIPE ASSIGNED PA ● low
178.15.66.192/29 PORR-NET RIPE ASSIGNED PA ● low
178.15.67.0/29 PORR-NET RIPE ASSIGNED PA ● low
185.24.238.172/30 Porr RIPE ASSIGNED PA ● low
193.246.248.112/29 PORR-NET RIPE ASSIGNED PA ● low
194.209.16.136/29 PORR-NET RIPE ASSIGNED PA ● low
195.117.27.200/29 PORR RIPE ASSIGNED PA ● low
195.117.114.40/29 PORR RIPE ASSIGNED PA ● low
195.122.199.0/29 Porr RIPE ASSIGNED PA ● low
195.205.32.40/29 PORR RIPE ASSIGNED PA ● low
212.20.119.240/29 Porr RIPE ASSIGNED PA ● low
212.160.242.72/29 PORR RIPE ASSIGNED PA ● low
212.244.75.88/29 PORR RIPE ASSIGNED PA ● low
213.77.34.248/29 PORR RIPE ASSIGNED PA ● low
213.149.111.80/28 Porr RIPE ASSIGNED PA ● low
217.193.161.64/28 PORR-NET RIPE ASSIGNED PA ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
93.1% of checked blocks have valid RPKI ROA coverage (27 of 29)
Possible discrepancies (1)

These blocks are registered to Porr AG 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.

88.220.54.0/24 /24 authorized for AS20804 — Exatel S.A.

NIC Handles

ARCOR-MNT AS47186 AS8585-MNT CH-UNISOURCE-MNT DIALTELECOM-MNT DUMY-RIPE DUMY-RIPE MNT-EXATEL MNT-PORR MNT-PORR ORG-ABPA1-RIPE PRIO-MNT +2 more