$ query “AS38345” --type=asn → 1 result(s)
AS38345 · ZDNS
Internet Domain Name System Beijing Engineering Resrarch Center Ltd.
AS38345 is operated by Internet Domain Name System Beijing Engineering Resrarch… and serves as a residential access provider, registered in China. The system announces 6 144 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to Australia, with additional presence in China.
Basic Information
- Country
- 🇨🇳 China
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- September 01, 2026
- Last Seen
- September 05, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 24 / 9
- IPv6 Prefixes (raw / aggregated)
- 12 / 9
- IPv4 Addresses
- 6 144
- Largest IPv4 Prefix
- /21 (2 048 addresses)
- Largest IPv6 Prefix
- /47
- Geolocated Countries
- 🇦🇺 Australia (4 096 IPs), 🇨🇳 China (4 096 IPs)
- Prefix Changed
- May 27, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 3 upstreams providing transit
- Downstream Customers
- 1 downstream buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 5 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (24 total)
- 203.99.24.0/21 (2 048 addresses (/21 prefix))
- 202.173.8.0/22 (1 024 addresses (/22 prefix))
- 203.99.20.0/22 (1 024 addresses (/22 prefix))
- 150.242.156.0/23 (512 addresses (/23 prefix))
- 202.173.14.0/23 (512 addresses (/23 prefix))
- 1.8.1.0/24 (256 addresses (/24 prefix))
- 1.8.8.0/24 (256 addresses (/24 prefix))
- 203.119.80.0/24 (256 addresses (/24 prefix))
- 203.119.83.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (12 total)
- 2401:8d00::/47
- 2401:8d00:4::/47
- 2401:8d00:8::/47
- 2401:8d00:3::/48
- 2401:8d00:7::/48
- 2401:8d00:b::/48
- 2401:8d00:c::/48
- 2401:8d00:f::/48
- 2401:8d00:12::/48