AS8991 Hellenic Centre for Marine Research 🇬🇷 GR
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
1,280 (5 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS8991
- Name
- Hellenic Centre for Marine Research
- Organisation
- Hellenic Centre for Marine Research
- Country
- 🇬🇷 GR
- RIR
- RIPENCC
- Allocated
- 1998-09-29
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 83.212.249.0/24 v4 | RPKI valid | 43 | 216285828054088991 | 2026-09-18 |
| 83.212.250.0/24 v4 | RPKI valid | 43 | 216285828054088991 | 2026-09-18 |
| 192.135.166.0/24 v4 | RPKI valid | 43 | 216285828054088991 | 2026-09-18 |
| 195.251.36.0/23 v4 | RPKI valid | 43 | 216285828054088991 | 2026-09-18 |