AS197639 Hogrefe Verlag GmbH & Co. KG 🇩🇪 DE
Announcing 2 prefixes, seen at the RIS collectors.
IPv4 prefixes
1
256 (1 × /24)
IPv6 prefixes
1
1 × /48
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
- AS197639
- Name
- Hogrefe Verlag GmbH & Co. KG
- Organisation
- Hogrefe Verlag GmbH & Co. KG
- Country
- 🇩🇪 DE
- RIR
- RIPENCC
- Allocated
- 2011-03-08
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
2 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 91.223.204.0/24 v4 | RPKI valid | 41 | 377213320197639 | 2026-09-18 |
| 2001:67c:620::/48 v6 | RPKI valid | 38 | 3454939835197639 | 2026-09-18 |