IP PREFIX
27.40.10.0/23
Originated by AS17622 · CNCGROUP-GZ - China Unicom Guangzhou network
AnnouncedCNAPNIC
WEBSITE PREVIEWNo public website in RIPE or PeeringDBAS17622
RPKI & ROA validation
CURRENT STATE
valid
No matching VRP was returned by RIPE Routinator.
| ROA prefix | Origin | Max length | Status |
|---|---|---|---|
| 27.40.10.0/23 | AS17622 | /23 | valid |
| 27.40.8.0/22 | AS17622 | /22 | invalid_length |
| 27.40.0.0/13 | AS17816 | /13 | invalid_length |
Routing registry consistency
| 27.40.10.0/23 | AS17622 — CNCGROUP-GZ - China Unicom Guangzhou network | Seen in BGP | RADB, NTTCOM, APNIC |
| 27.40.0.0/13 | AS17816 — CHINA169-GZ - China Unicom IP network China169 Guangdong province | Seen in BGP | RADB, NTTCOM |
| 27.40.0.0/14 | AS17816 — CHINA169-GZ - China Unicom IP network China169 Guangdong province | Not in BGP | APNIC |
| 27.40.8.0/22 | AS17622 — CNCGROUP-GZ - China Unicom Guangzhou network | Seen in BGP | RADB, NTTCOM, APNIC |
| 27.40.10.0/24 | AS4837 — CHINA169-Backbone - CHINA UNICOM China169 Backbone | Seen in BGP | No IRR source |
Recent RPKI history
| Date | Covered prefix | VRPs | Max length |
|---|---|---|---|
| 30/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 29/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 28/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 27/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 26/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 25/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 24/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 23/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 22/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 21/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 20/09/2026 | 27.40.10.0/23 | 1 | /23 |
| 19/09/2026 | 27.40.10.0/23 | 1 | /23 |