$ query “AS56737” --type=asn → 1 result(s)
AS56737 · STADTWERKE-FLENSBURG-AS
Stadtwerke Flensburg GmbH
AS56737 is owned by Stadtwerke Flensburg GmbH and is a residential access provider, registered in Germany since 2011. The system announces 3 072 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in Germany.
Basic Information
- Country
- 🇩🇪 Germany
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- May 06, 2011
- Last Changed
- March 04, 2026
- Last Seen
- April 28, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 3 072
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇩🇪 Germany (6 144 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Downstream Customers
- 3 downstreams buying transit
- Degree
- 5 unique BGP neighbors
- Reach
- 3 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 31.209.184.0/21 (2 048 addresses (/21 prefix))
- 185.140.200.0/22 (1 024 addresses (/22 prefix))
IPv6 Prefixes (1 total)
- 2a07:d00::/29