Sh4mefulNetwork: GRAPESC
This page shows DMARC authentication failures originating from the GRAPESC network. Learn more about this data.
Network Information
- WHOIS Owner:
- ORG-GS394-RIPE
- Countries:
- CZ
- Unique IPs:
- 2
- CIDRs:
46.29.229.0/24,91.192.33.0/24
Analysis
This network has contributed 2 unique IP addresses across 2 failed authentication events, accounting for 7 messages. Activity spans from August 2, 2026 to August 6, 2026, with peak volume in August 2026 (2 events). The top countries by failure volume are Czechia (100%). The most active source IPs from this network include 46.29.229.146 (1 failure), 91.192.33.52 (1 failure). Failures from GRAPESC are concentrated in a single country, which may indicate a targeted campaign or regionally hosted infrastructure.
Failures Detected from this Network
Showing 1-2 of 2 failures, affecting 7 messages| Date ▼ | Source IP | Country | Messages |
|---|---|---|---|
| 8/6/2026 | CZ | 3 | |
| 8/2/2026 | CZ | 4 |
Countries