$ query “AS210937” --type=asn → 1 result(s)
AS210937 · SHOWFOM
Xiufeng Guo
AS210937 belongs to Xiufeng Guo and is a residential access provider, established in Germany in 2021. The system announces 512 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in Germany, with additional presence in the United Kingdom. This AS has recently updated its prefix announcements.
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
- August 05, 2021
- Last Changed
- April 27, 2026
- Last Seen
- April 30, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 2
- IPv6 Prefixes (raw / aggregated)
- 3 / 3
- IPv4 Addresses
- 512
- Largest IPv4 Prefix
- /24 (256 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇩🇪 Germany (512 IPs), 🇬🇧 United Kingdom (256 IPs)
- Prefix Changed
- April 27, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 913 networks exchanging traffic without transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 6 unclassified BGP neighbors
- Degree
- 922 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 46.175.133.0/24 (256 addresses (/24 prefix))
- 141.11.11.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (3 total)
- 2a09:1::/48
- 2a11:1d40::/48
- 2a11:1d42::/48