PENG YUJEN
Cluster stats
| Netblocks | 10 |
| All fragments | 88 blocks across 20 clusters |
| Cluster ID | 193373982 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
10
0 netblocks since 2026-07-05
2026-07-05
peak 10
2026-07-06
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2401:5a0:bbb0::/44 | PENG YUJEN | BGP | ANNOUNCED | ● high |
| 2401:5a0:bbbb::/48 | PENG YUJEN | BGP | ANNOUNCED | ● high |
| 2406:840:9840::/44 | PENG YUJEN | BGP | ANNOUNCED | ● high |
| 2602:feda:a80::/44 | PENG YUJEN | BGP | ANNOUNCED | ● high |
| 2a0e:8f02:f046::/48 | PENG YUJEN | RIPE | ASSIGNED | ● high |
| 2a0e:8f02:f046::/48 | PENG YUJEN | BGP | ANNOUNCED | ● high |
| 2a0e:b107:2710::/44 | PENG YUJEN | BGP | ANNOUNCED | ● high |
| 2a0e:b107:2711::/48 | PENG YUJEN | BGP | ANNOUNCED | ● high |
| 2a0e:b107:2716::/48 | PENG YUJEN | BGP | ANNOUNCED | ● high |
| 2a12:3fc2:ddff::/48 | PENG YUJEN | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
60.0%
of checked blocks have valid RPKI ROA coverage
(6 of 10)
No discrepancies found among checked blocks.
NIC Handles
AS203472
DUMY-RIPE
DUMY-RIPE
KSKB-MNT
KSKB-MNT
MAINT-NBDHM-CN
MAINT-SKYWOLF-AP
ORG-POEM3-RIPE