chengjian
Data as of 2026-08-23
Registry
Cluster stats
| Netblocks | 5 |
| All fragments | 14 blocks across 10 clusters |
| Cluster ID | 228589453 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 14 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 27.115.12.156/30 | chengjian | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 58.247.5.136/29 | ChengJian | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 119.6.34.200/30 | Chengjian-Corp | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 218.58.65.152/29 | CHENGJIAN-GROUP | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 218.70.26.80/30 | chengjian | APNIC | ALLOCATED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(5 of 5)
No discrepancies found among checked blocks.
NIC Handles
AC1718-AP
AC2530-AP
AC937-AP
AC937-AP
DS95-AP
DS95-AP
MAINT-CHINANET-CQ
MAINT-CNCGROUP-SC
MAINT-CNCGROUP-SD
MAINT-CNCGROUP-SH
YR194-AP
YR194-AP
+2 more