$ query “AS7539” --type=asn → 1 result(s)
AS7539 · TWAREN-TW
National Center for High-performance Computing
AS7539 is owned by National Center for High-performance Computing and is a mid-size transit provider, based in Taiwan. The system announces a respectable 86 528 IPv4 addresses, including a /16, and supports IPv6. Most of its address space is geolocated to Taiwan.
Basic Information
- Country
- 🇹🇼 Taiwan
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- June 01, 2026
- Last Seen
- June 10, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 12 / 8
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 86 528
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇹🇼 Taiwan (88 064 IPs)
- Prefix Changed
- May 17, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 5 upstreams providing transit
- Peers
- 13 networks exchanging traffic without transit
- Downstream Customers
- 10 downstreams buying transit
- Degree
- 28 unique BGP neighbors
- Reach
- 10 networks in customer cone
Upstream Providers (5)
Prefix Lists
IPv4 Prefixes (12 total)
- 140.110.0.0/16 (65 536 addresses (/16 prefix))
- 211.73.64.0/19 (8 192 addresses (/19 prefix))
- 203.145.208.0/20 (4 096 addresses (/20 prefix))
- 211.79.48.0/20 (4 096 addresses (/20 prefix))
- 203.145.200.0/21 (2 048 addresses (/21 prefix))
- 103.124.72.0/22 (1 024 addresses (/22 prefix))
- 120.101.64.0/22 (1 024 addresses (/22 prefix))
- 103.160.220.0/23 (512 addresses (/23 prefix))
IPv6 Prefixes (2 total)
- 2001:e10::/32
- 2001:4500:1000::/40