netcup GmbH

Data as of 2026-07-26
GLEIF verified
LEI
529900SDJDSG1L9O1F79
Registered name
netcup GmbH
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks422 · 236,056 IPv4 addresses
IPv6 42 prefixes (largest 2a03:4000::/29)
Registered in Germany (345) · Austria (123) · Switzerland (1)
All fragments 517 blocks across 6 clusters
Cluster ID213325382
RegistryBGP
Owner jurisdictionDE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 529900SDJDSG1L9O1F79
Shared handles clustered on 19 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
512 0 netblocks since 2026-07-05
2026-07-05 peak 520 2026-07-26

IP Ranges (422)

showing 50 of 422 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
152.53.31.0/24 netcup GmbH BGP ANNOUNCED ● high
152.53.36.0/22 netcup GmbH BGP ANNOUNCED ● high
152.53.52.0/22 netcup GmbH BGP ANNOUNCED ● high
152.53.68.0/24 netcup GmbH BGP ANNOUNCED ● high
152.53.80.0/22 netcup GmbH BGP ANNOUNCED ● high
152.53.88.0/22 netcup GmbH BGP ANNOUNCED ● high
152.53.164.0/22 netcup GmbH BGP ANNOUNCED ● high
152.53.168.0/22 netcup GmbH BGP ANNOUNCED ● high
152.53.192.0/22 netcup GmbH BGP ANNOUNCED ● high
152.53.201.0/24 netcup GmbH BGP ANNOUNCED ● high
152.53.208.0/22 netcup GmbH BGP ANNOUNCED ● high
152.53.208.0/20 netcup GmbH BGP ANNOUNCED ● high
152.53.212.0/24 netcup GmbH BGP ANNOUNCED ● high
152.53.240.0/22 netcup GmbH BGP ANNOUNCED ● high
159.195.12.0/22 netcup GmbH BGP ANNOUNCED ● high
159.195.16.0/22 netcup GmbH BGP ANNOUNCED ● high
159.195.91.0/24 netcup GmbH BGP ANNOUNCED ● high
159.195.92.0/22 netcup GmbH BGP ANNOUNCED ● high
159.195.107.0/24 netcup GmbH BGP ANNOUNCED ● high
2a0a:4cc0:101::/48 netcup GmbH BGP ANNOUNCED ● high
2a0a:4cc0:120::/43 netcup GmbH BGP ANNOUNCED ● high
2a0a:4cc0:2000::/43 netcup GmbH BGP ANNOUNCED ● high
2.56.96.0/22 netcup GmbH BGP ANNOUNCED ● medium
5.45.96.0/20 netcup GmbH BGP ANNOUNCED ● medium
5.45.96.0/22 netcup GmbH BGP ANNOUNCED ● medium
5.45.100.0/22 netcup GmbH BGP ANNOUNCED ● medium
5.45.104.0/22 netcup GmbH BGP ANNOUNCED ● medium
5.45.108.0/22 netcup GmbH BGP ANNOUNCED ● medium
5.181.48.0/22 netcup GmbH BGP ANNOUNCED ● medium
5.182.200.0/24 netcup GmbH BGP ANNOUNCED ● medium
5.182.202.0/23 netcup GmbH BGP ANNOUNCED ● medium
5.252.224.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.120.160.0/19 netcup GmbH BGP ANNOUNCED ● medium
37.120.160.0/20 netcup GmbH BGP ANNOUNCED ● medium
37.120.160.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.120.164.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.120.168.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.120.172.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.120.176.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.120.182.0/23 netcup GmbH BGP ANNOUNCED ● medium
37.120.184.0/21 netcup GmbH BGP ANNOUNCED ● medium
37.120.184.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.120.188.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.221.192.0/21 netcup GmbH BGP ANNOUNCED ● medium
37.221.192.0/22 netcup GmbH BGP ANNOUNCED ● medium
37.221.196.0/22 netcup GmbH BGP ANNOUNCED ● medium
45.9.60.0/22 netcup GmbH BGP ANNOUNCED ● medium
45.83.104.0/22 netcup GmbH BGP ANNOUNCED ● medium
45.90.4.0/22 netcup GmbH BGP ANNOUNCED ● medium
45.129.180.0/22 netcup GmbH BGP ANNOUNCED ● medium

IPv6 ranges (42)

showing the 15 largest allocations

Domains hosted in this network

what's this?

Network trust

what's this?
RPKI hygiene: A how networks compare →
97.7% of checked blocks have valid RPKI ROA coverage (500 of 512)
Wholesale/transit re-announcements (76)

These blocks are registered to netcup GmbH but cryptographically authorized across 6 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.

2a0a:4cc0::/43 /43 authorized for AS42473 — Anexia Cloud Solutions GmbH
2a0a:4cc0:40::/43 /43 authorized for AS42473 — Anexia Cloud Solutions GmbH
2a0a:4cc0:80::/43 /43 authorized for AS42473 — Anexia Cloud Solutions GmbH
2a0a:4cc0:c0::/43 /43 authorized for AS42473 — Anexia Cloud Solutions GmbH
2a0a:4cc0:2000:1000::/52 /52 authorized for AS42473 — Anexia Cloud Solutions GmbH
2a0a:4cc0:2000:2000::/52 /52 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.128.0/20 /20 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.36.0/22 /22 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.64.0/22 /22 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.48.0/22 /22 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.104.0/22 /22 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.92.0/22 /22 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.120.0/22 /22 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.124.0/22 /22 authorized for AS42473 — Anexia Cloud Solutions GmbH
152.53.224.0/22 /22 authorized for AS42473 — Anexia Cloud Solutions GmbH
+61 more — see the REST API

NIC Handles

ACRO50392-RIPE ANEXIA-MNT ANEXIA-MNT AR50416-RIPE AS197540 AS214996 AS47147 DUMY-RIPE DUMY-RIPE FRACHTWERK-MNT HOS-GUN MNET-MNT +7 more