TIANJIN Provincial Net of CT
TIANJIN-CHENGJIANXUEYUAN-SCHOOL
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 3 |
| Also registered under this name | 5 netblocks across 3 separate records |
| Record ID | 240263154 |
| Registry | APNIC |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 221.238.157.120/30 | TIANJIN-CHENGJIANXUEYUAN-SCHOOL | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 221.238.227.112/28 | TIANJIN-CHENGJIANXUEYUAN-SCHOOL | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 221.239.84.12/30 | TIANJIN-CHENGJIANXUEYUAN-SCHOOL | APNIC | ASSIGNED NON-PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(3 of 3)
No discrepancies found among checked blocks.
NIC Handles
AC2531-AP
AT370-AP
AT370-AP
MAINT-CHINANET-TJ