AS28821 UDST-QATAR University of Doha for Science and Technology
AS28821 is operated by UDST-QATAR University of Doha for Science and Technology and registered with RIPE NCC (QA) since 2015-06-11.
It announces 4 IPv4 and 2 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 2 upstream and peer networks and 0 downstream networks next to it.
| Name | UDST-QATAR University of Doha for Science and Technology |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Qatar (QA) |
| Delegated on | 2015-06-11 |
| Prefixes (IPv4 / IPv6) | 4 / 2 |
| RPKI valid | 100% (6 / 6) |
| Upstreams and peers | 2 |
| Downstream networks | 0 |
Routing health
- AS28821 announces 4 IPv4 and 2 IPv6 prefixes.
- All 6 announced prefixes are RPKI valid.
- 2 upstreams and peers, 0 downstream networks seen.
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 6
- 185.104.56.0/24
- 185.104.57.0/24
- 185.104.58.0/24
- 185.104.59.0/24
- 2a06:2f00:1::/48
- 2a06:2f00::/48
Upstreams and peers 2
The networks RIPE RIS sees next to AS28821 in BGP paths, the most visible first.
More about AS28821
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-13 22:34 UTC. The country is where the AS number was registered, not necessarily where the network operates.