AS7539 TWAREN-TW National Center for High-performance Computing
Announced Prefixes (BGP)
19total
17 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)83,456
Announced (BGP)90,880
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
10
Allocated
-
Announced Prefixes
(BGP)19|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | APNIC | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | - | 2026-10-11 | |
| Invalid | - | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 |
1-10 of 19
1 / 2
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 103.124.72.0/22 | 🇹🇼 TW | APNIC | allocated |
| 103.160.220.0/23 | 🇹🇼 TW | APNIC | allocated |
| 140.110.0.0/16 | 🇹🇼 TW | APNIC | allocated |
| 203.145.208.0/20 | 🇹🇼 TW | APNIC | allocated |
| 211.73.64.0/19 | 🇹🇼 TW | APNIC | allocated |
| 211.79.48.0/20 | 🇹🇼 TW | APNIC | allocated |
| 2001:e10::/32 | 🇹🇼 TW | APNIC | allocated |
All 19 announced prefixes of AS7539 →
BGP Neighbours
(seen in AS paths)Upstreams (6)
Networks AS7539 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (6)
Networks whose own prefixes AS7539 passes on: usually its customers.
- AS1659ERX TANET ASN1 Taiwan Academic Network TANet Information Center187
- AS18183NCREE National Center For Research On Earthquake Engineering5
- AS18422ITRINET TW Industrial Technology Research Institute2
- AS17716NTU TW National Taiwan University1
- AS17717MOECC IPV6 Ministry Of Education Computer Center Taipei, Taiwan1
- AS18426STPI TW National Applied Research Laboratories1
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS7539 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/7539Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/7539" | jq