Yan Grunenberger
Cluster stats
Netblocks31
All fragments 97 blocks across 54 clusters
Cluster ID191676530
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 33 shared RIR contact/maintainer handles
Registry names 25 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
31 0 netblocks since 2026-07-05
2026-07-05 peak 31 2026-07-06

IP Ranges (31)

⬇ export CSV
CIDR Org name Registry Status Confidence
61.164.184.88/30 YAN-WEN-HUI APNIC ASSIGNED NON-PORTABLE ● high
122.224.191.0/30 YAN-LIN-CAI APNIC ASSIGNED NON-PORTABLE ● high
122.225.24.224/30 YAN-JUN APNIC ASSIGNED NON-PORTABLE ● high
202.107.236.80/30 YAN-LEI APNIC ASSIGNED NON-PORTABLE ● high
2001:678:f24::/48 Yan Grunenberger RIPE ASSIGNED PI ● high
2001:678:f24::/48 Yan Grunenberger BGP ANNOUNCED ● high
2a06:a005:484::/48 Yan Grunenberger RIPE ASSIGNED ● high
2a06:a005:484::/48 Yan Grunenberger BGP ANNOUNCED ● high
2a06:a005:5ae::/48 Yan Grunenberger BGP ANNOUNCED ● high
2a06:a005:5ae::/48 Yan Grunenberger RIPE ASSIGNED ● high
192.109.94.0/24 YAN-WEI RIPE LEGACY ● low
192.109.161.0/24 YAN-B RIPE LEGACY ● low
192.109.162.0/24 YAN-DA RIPE LEGACY ● low
192.109.163.0/24 YAN-DO RIPE LEGACY ● low
192.109.164.0/24 YAN-F RIPE LEGACY ● low
192.109.166.0/24 YAN-HH RIPE LEGACY ● low
192.109.167.0/24 YAN-K RIPE LEGACY ● low
192.109.168.0/24 YAN-L RIPE LEGACY ● low
192.109.169.0/24 YAN-M RIPE LEGACY ● low
192.109.170.0/24 YAN-N RIPE LEGACY ● low
192.109.171.0/24 YAN-S RIPE LEGACY ● low
211.147.25.16/28 YAN-SHA APNIC ASSIGNED NON-PORTABLE ● low
212.48.47.64/27 Yan_Ron RIPE ASSIGNED PA ● low
219.234.198.192/26 YAN-ZE-LUN APNIC ASSIGNED NON-PORTABLE ● low
219.234.205.128/27 YAN-ZE-LUN APNIC ASSIGNED NON-PORTABLE ● low
219.238.66.128/25 YAN-ZE-LUN APNIC ASSIGNED NON-PORTABLE ● low
222.179.53.16/30 Yan-Jia-Jie-Dao APNIC ASSIGNED NON-PORTABLE ● low
2a0e:46c4:2901::/48 YAN-V6-HK RIPE ALLOCATED-BY-LIR ● low
2a0e:46c4:2902::/48 YAN-V6-TW RIPE ALLOCATED-BY-LIR ● low
2a0e:46c4:2903::/48 YAN-V6-LU RIPE ALLOCATED-BY-LIR ● low
2a0e:46c4:29f0::/44 YAN-V6-EXP RIPE ALLOCATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: D how networks compare →
45.2% of checked blocks have valid RPKI ROA coverage (14 of 31)
No discrepancies found among checked blocks.

NIC Handles

AC1602-AP AS211514 CH122-AP CJ54-AP CJ55-AP DUMY-RIPE DUMY-RIPE LY2080-AP MAINT-CHINANET-CQ MAINT-CN-CHINANET-ZJ-HZ MAINT-CN-CHINANET-ZJ-JH MAINT-CN-CHINANET-ZJ-JX +21 more