$ query “AS205421” --type=asn → 1 result(s)
AS205421 · SCULKSOFT-AS
Sculk Software LLC
AS205421 is owned by Sculk Software LLC and is an enterprise stub network, based in Russia since 2025. The system announces 256 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Russia.
Basic Information
- Country
- 🇷🇺 Russia
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 14, 2025
- Last Changed
- August 07, 2026
- Last Seen
- September 09, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 256
- Largest IPv4 Prefix
- /24 (256 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇷🇺 Russia (512 IPs)
- Prefix Changed
- August 07, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Degree
- 3 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (1 total)
- 91.199.230.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2a0d:d940:9007::/48