NSB GMBH
NSB-GMBH
Cluster stats
Netblocks15
All fragments 33 blocks across 6 clusters
Cluster ID191621005
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (15)

⬇ export CSV
CIDR Org name Registry Status Confidence
138.62.0.0/16 NSB-NET RIPE LEGACY ● high
81.174.52.160/29 NSB-SRL RIPE ASSIGNED PA ● low
94.25.92.0/24 NSB-NET RIPE ASSIGNED PA ● low
94.25.93.0/24 NSB-NET RIPE ASSIGNED PA ● low
112.94.161.48/29 NSB APNIC ASSIGNED NON-PORTABLE ● low
112.94.163.240/29 NSB APNIC ASSIGNED NON-PORTABLE ● low
157.90.102.32/28 NSB-GMBH RIPE LEGACY ● low
213.183.169.56/30 NSB-NET RIPE ASSIGNED PA ● low
2a01:4f8:fff0:9f::/64 NSB-GMBH RIPE ASSIGNED ● low
2a01:4f9:3a:3c4f::/64 NSB-GMBH RIPE ASSIGNED ● low
2a01:4f9:4a:34da::/64 NSB-GMBH RIPE ASSIGNED ● low
2a01:4f9:3070:16da::/64 NSB-GMBH RIPE ASSIGNED ● low
2a01:4f9:3071:3060::/64 NSB-GMBH RIPE ASSIGNED ● low
2a01:4f9:3071:3464::/64 NSB-GMBH RIPE ASSIGNED ● low
2a01:4f9:3100:24de::/64 NSB-GMBH RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: B how networks compare →
80.0% of checked blocks have valid RPKI ROA coverage (12 of 15)
Possible discrepancies (2)

These blocks are registered to NSB-GMBH 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.

94.25.92.0/24 /24 authorized for AS12389 — PJSC Rostelecom
94.25.93.0/24 /24 authorized for AS12389 — PJSC Rostelecom

NIC Handles

CG272-AP CG272-AP DUMY-RIPE DUMY-RIPE EWETEL-MNT GS17496-RIPE HOS-GUN IS12 MAINT-CNCGROUP-GD NGI-MNT ROSTELECOM-MNT TJ01