SINA Corporation
Sina
LEI
549300ICDICMKPZEUY61
Registered name
SINA Corporation
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 11 |
| All fragments | 45 blocks across 17 clusters |
| Cluster ID | 193300975 |
| Registry | APNIC |
| Owner jurisdiction | KY |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Legal identity | LEI 549300ICDICMKPZEUY61 |
| Shared handles | clustered on 13 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 36.51.0.0/16 | SINA | APNIC | ALLOCATED PORTABLE | ● low |
| 122.96.55.32 – 122.96.55.255 | sina | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 185.47.228.224/27 | SINA-SPA | RIPE | ASSIGNED PA | ● low |
| 219.141.220.0/24 | Sina | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 219.142.48.0/26 | Sina | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 219.142.66.80/28 | Sina | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 219.142.78.0/24 | Sina | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 219.142.118.0/24 | Sina | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 219.142.122.0/24 | Sina | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 219.143.221.0/24 | Sina | APNIC | ASSIGNED NON-PORTABLE | ● low |
| 2400:89c0::/32 | SINA | APNIC | ALLOCATED PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
72.7%
of checked blocks have valid RPKI ROA coverage
(8 of 11)
Possible discrepancies (5)
These blocks are registered to Sina but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 219.143.221.0/24 /24 | authorized for AS4847 — China Networks Inter-Exchange |
| 219.141.220.0/24 /24 | authorized for AS23724 — IDC, China Telecommunications Corporation |
| 219.142.122.0/24 /24 | authorized for AS4847 — China Networks Inter-Exchange |
| 219.142.78.0/24 /24 | authorized for AS23724 — IDC, China Telecommunications Corporation |
| 219.142.118.0/24 /24 | authorized for AS23724 — IDC, China Telecommunications Corporation |
NIC Handles
AC1601-AP
DUMY-RIPE
DUMY-RIPE
HC55-AP
HC55-AP
LL58-AP
LL58-AP
MAINT-CHINANET-BJ
MAINT-CNCGROUP-JS
MAINT-CNNIC-AP
MNT-CDLAN
ZM643-AP
+1 more