$ query “AS131617” --type=asn → 1 result(s)
AS131617 · CENTROID-NET
Centroid Networking Co. Ltd. desc: 7F.-3 NO.119 SEC. 2 MINSHENG E. RD. ZHONGSHAN DIST.
AS131617 belongs to Centroid Networking Co. Ltd. desc: 7F.-3 NO.119 SEC. 2… and is a residential access provider, established in Taiwan. The system announces 512 IPv4 addresses. Most of its address space is geolocated to Taiwan. 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
- September 01, 2026
- Last Seen
- September 05, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 2 / 1
- IPv6 Prefixes (raw / aggregated)
- 0 / 0
- IPv4 Addresses
- 512
- Largest IPv4 Prefix
- /23 (512 addresses)
- Geolocated Countries
- 🇹🇼 Taiwan (512 IPs)
- Prefix Changed
- June 27, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Downstream Customers
- 1 downstream buying transit
- Degree
- 3 unique BGP neighbors
- Reach
- 1 network in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (2 total)
- 103.104.148.0/23 (512 addresses (/23 prefix))