Stadtverwaltung Hamm

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks7 · 4,104 IPv4 addresses
IPv6 4 prefixes (largest 2001:14f0:170::/48)
Cluster ID215324860
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 6 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
7 0 netblocks since 2026-07-05
2026-07-05 peak 7 2026-07-26

IP Ranges (7)

⬇ export CSV
CIDR Org name Registry Status Confidence
194.180.64.0/20 Stadtverwaltung Hamm RIPE ASSIGNED PI ● high
212.37.47.152/30 STADTVERWALTUNG-HAMM RIPE ASSIGNED PA ● low
212.37.47.156/30 STADTVERWALTUNG-HAMM RIPE ASSIGNED PA ● low
2001:14f0:100:170::/64 STADTVERWALTUNG-HAMM RIPE ASSIGNED ● low
2001:14f0:100:172::/64 STADTVERWALTUNG-HAMM RIPE ASSIGNED ● low
2001:14f0:170::/48 STADTVERWALTUNG-HAMM RIPE ASSIGNED ● low
2001:14f0:172::/48 STADTVERWALTUNG-HAMM RIPE ASSIGNED ● low

IPv6 ranges (4)

Network trust

what's this?
RPKI hygiene: B how networks compare →
85.7% of checked blocks have valid RPKI ROA coverage (6 of 7)
Possible discrepancies (2)

These blocks are registered to Stadtverwaltung Hamm 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.

2001:14f0:172::/48 /48 authorized for AS12355 — HeLi NET Telekommunikation GmbH & Co.
2001:14f0:170::/48 /48 authorized for AS12355 — HeLi NET Telekommunikation GmbH & Co.

NIC Handles

AS12355-MNT DUMY-RIPE DUMY-RIPE ORG-SH36-RIPE RIPE-NCC-END-MNT VT-MNT