$ query “AS213633” --type=asn → 1 result(s)
AS213633 · AS213633
SEBEK sp. z o.o
AS213633 belongs to SEBEK sp. z o.o and is a government/public-admin stub network, based in Poland since 2025. The system announces 512 IPv4 addresses. The bulk of its IP address space is in the United States, with additional presence in Poland. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇵🇱 Poland
- Category
- Government/Public Administration
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- January 03, 2025
- Last Changed
- July 11, 2026
- Last Seen
- August 15, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 512
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇺🇸 United States (512 IPs), 🇵🇱 Poland (256 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 31.57.117.0/24 (256 addresses (/24 prefix))
- 213.152.43.0/24 (256 addresses (/24 prefix))