199.21.136.0/21
IPv4 prefix announced by AS22121 Topsham Communications LLC
valid RPKI
VALID announced
1 Recorded origin
Routing
- Recorded origin
- AS22121 Topsham Communications LLC valid
- Observed origin (RIS)
- AS22121 TOPSHAM-COMMUNICATIONS - Topsham Communications LLC
- Country
- United States
RPKI: rpki.cloudflare.com · 2026-06-17 · Routing: RIPEstat · 2026-06-17