AS21308 Synapse Ukraine LLC 🇺🇦 UA
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
1
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
- AS21308
- Name
- Synapse Ukraine LLC
- Organisation
- Synapse Ukraine LLC
- Country
- 🇺🇦 UA
- RIR
- RIPENCC
- Allocated
- 2015-07-22
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 193.239.142.0/24 v4 | no ROA | 46 | 244822910721308 | 2026-09-18 |
| 193.239.143.0/24 v4 | no ROA | 46 | 244822910721308 | 2026-09-18 |
| 2001:67c:e00::/48 v6 | no ROA | 34 | 34549132492910721308 | 2026-09-18 |