AS197479 "GREFNET" Miroslaw Grefkowicz 🇵🇱 PL
Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
1,792 (7 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
2
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS197479
- Name
- "GREFNET" Miroslaw Grefkowicz
- Organisation
- "GREFNET" Miroslaw Grefkowicz
- Country
- 🇵🇱 PL
- RIR
- RIPENCC
- Allocated
- 2010-12-20
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 |
|---|---|---|---|---|
| 91.222.144.0/22 v4 | RPKI valid | 41 | 3454912995617197479 | 2026-09-18 |
| 91.222.144.0/24 v4 | RPKI valid | 41 | 3454912995617197479 | 2026-09-18 |
| 91.222.145.0/24 v4 | RPKI valid | 40 | 24482197479 | 2026-09-18 |
| 91.222.147.0/24 v4 | RPKI valid | 41 | 3454912995617197479 | 2026-09-18 |