$ query “AS203309” --type=asn → 1 result(s)
AS203309 · CHOCO-AS
Liangyi Ma
AS203309 belongs to Liangyi Ma and is an educational/research stub network, established in China in 2025. The system announces 256 IPv4 addresses, and supports IPv6. Its primary geographic footprint is in the United States.
Basic Information
- Country
- 🇨🇳 China
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- November 28, 2025
- Last Changed
- May 31, 2026
- Last Seen
- June 15, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 1 / 1
- IPv6 Prefixes (raw / aggregated)
- 6 / 3
- IPv4 Addresses
- 256
- Largest IPv4 Prefix
- /24 (256 addresses)
- Largest IPv6 Prefix
- /42
- Geolocated Countries
- 🇺🇸 United States (256 IPs)
- Prefix Changed
- May 31, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Peers
- 14 networks exchanging traffic without transit
- Unclassified
- 5 unclassified BGP neighbors
- Degree
- 19 unique BGP neighbors
- Reach
- 0 networks in customer cone
Prefix Lists
IPv4 Prefixes (1 total)
- 44.30.131.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (6 total)
- 2a0f:1cc5:140::/42
- 2a0f:1cc5:110::/44
- 2a0f:1cc5:130::/44