AS55991 CNNIC ASN block
AS55991 is operated by CNNIC ASN block and registered with APNIC (CN) since 2010-12-24.
It announces 21 IPv4 and 0 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 1 upstream and peer networks and 0 downstream networks next to it.
| Name | CNNIC ASN block |
|---|---|
| Registry handle | AS55991-36 |
| Registry (RIR) | APNIC |
| Country | China (CN) |
| Delegated on | 2010-12-24 |
| Prefixes (IPv4 / IPv6) | 21 / 0 |
| RPKI valid | 100% (21 / 21) |
| Upstreams and peers | 1 |
| Downstream networks | 0 |
Routing health
- AS55991 announces 21 IPv4 and 0 IPv6 prefixes.
- No IPv6 prefixes announced.
- All 21 announced prefixes are RPKI valid.
- One upstream or peer seen (AS58461): an outage there takes the whole network off the internet.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 21
- 43.228.204.0/22
- 43.228.240.0/22
- 45.124.76.0/24
- 45.124.77.0/24
- 45.124.78.0/24
- 45.124.79.0/24
- 103.41.116.0/22
- 103.43.132.0/24
- 103.43.134.0/24
- 103.43.135.0/24
- 103.56.100.0/22
- 103.56.104.0/22
- 103.192.208.0/22
- 103.192.208.0/24
- 103.192.209.0/24
- 103.192.210.0/24
- 103.192.211.0/24
- 103.235.100.0/24
- 103.235.101.0/24
- 103.235.102.0/24
- 103.235.103.0/24
Upstreams and peers 1
The networks RIPE RIS sees next to AS55991 in BGP paths, the most visible first.
More about AS55991
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 08:04 UTC. The country is where the AS number was registered, not necessarily where the network operates.