$ query “AS43503” --type=asn → 1 result(s)
AS43503 · HERBST-AS
synaforce GmbH
AS43503 is owned by synaforce GmbH and is an enterprise stub network, based in Germany since 2007. The system announces a respectable 13 312 IPv4 addresses. Most of its address space is geolocated to Germany, with additional presence in the United Kingdom. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇩🇪 Germany
- Category
- Business
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 13, 2007
- Last Changed
- September 25, 2026
- Last Seen
- October 06, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 6 / 6
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 13 312
- Largest IPv4 Prefix
- /20 (4 096 addresses)
- Geolocated Countries
- 🇩🇪 Germany (25 328 IPs), 🇬🇧 United Kingdom (16 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Peers
- 7 networks exchanging traffic without transit
- Degree
- 10 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (6 total)
- 81.16.48.0/20 (4 096 addresses (/20 prefix))
- 46.30.80.0/21 (2 048 addresses (/21 prefix))
- 46.226.112.0/21 (2 048 addresses (/21 prefix))
- 83.137.96.0/21 (2 048 addresses (/21 prefix))
- 109.234.120.0/21 (2 048 addresses (/21 prefix))
- 91.203.200.0/22 (1 024 addresses (/22 prefix))