$ query “AS131273” --type=asn → 1 result(s)
AS131273 · CWCTB-AS-AP
CORE WINNER CO. LIMITED
AS131273 is owned by CORE WINNER CO. LIMITED and is a residential access provider, registered in Taiwan. The system announces 1 280 IPv4 addresses. The bulk of its IP address space is in Taiwan. Prefix announcements for this AS were recently updated. No IPv6 support — it's 2026, just saying.
Basic Information
- Country
- 🇹🇼 Taiwan
- Category
- Internet Service Provider
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- June 27, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 5 / 5
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 1 280
- Largest IPv4 Prefix
- /24 (256 addresses)
- Geolocated Countries
- 🇹🇼 Taiwan (1 792 IPs)
- Prefix Changed
- June 27, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Peers
- 4 networks exchanging traffic without transit
- Downstream Customers
- 3 downstreams buying transit
- Unclassified
- 1 unclassified BGP neighbor
- Degree
- 10 unique BGP neighbors
- Reach
- 1 708 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (5 total)
- 103.68.138.0/24 (256 addresses (/24 prefix))
- 103.117.106.0/24 (256 addresses (/24 prefix))
- 103.161.79.0/24 (256 addresses (/24 prefix))
- 150.116.80.0/24 (256 addresses (/24 prefix))
- 156.242.9.0/24 (256 addresses (/24 prefix))