AS18422 Industrial Technology Research Institute
AS18422 is operated by Industrial Technology Research Institute and registered with APNIC (TW) since 2002-12-20.
It announces 33 IPv4 and 3 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 9 upstream and peer networks and 0 downstream networks next to it.
PeeringDB lists it as an Educational/Research network at 2 internet exchanges and 1 facility. Its peering policy is open.
| Name | Industrial Technology Research Institute |
|---|---|
| Registry handle | ITRINET-AS-TW |
| Registry (RIR) | APNIC |
| Country | Taiwan (TW) |
| Delegated on | 2002-12-20 |
| Network type | Educational/Research, Not Disclosed |
| Peering policy | Open |
| Prefixes (IPv4 / IPv6) | 33 / 3 |
| RPKI valid | 100% (36 / 36) |
| Upstreams and peers | 9 |
| Downstream networks | 0 |
| Website | itri.org.tw |
Routing health
- AS18422 announces 33 IPv4 and 3 IPv6 prefixes.
- All 36 announced prefixes are RPKI valid.
- 9 upstreams and peers, 0 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 36
- 61.61.240.0/20
- 61.61.240.0/21
- 61.61.240.0/22
- 61.61.242.0/24
- 61.61.244.0/22
- 61.61.244.0/24
- 61.61.248.0/21
- 61.61.248.0/22
- 61.61.252.0/22
- 140.96.0.0/16
- 140.96.0.0/17
- 140.96.0.0/18
- 140.96.0.0/19
- 140.96.32.0/19
- 140.96.64.0/18
- 140.96.64.0/19
- 140.96.96.0/19
- 140.96.128.0/17
- 140.96.128.0/18
- 140.96.128.0/19
- 140.96.160.0/19
- 140.96.170.0/23
- 140.96.170.0/24
- 140.96.171.0/24
- 140.96.172.0/22
- 140.96.172.0/23
- 140.96.174.0/23
- 140.96.176.0/21
- 140.96.176.0/22
- 140.96.180.0/22
- 140.96.192.0/18
- 140.96.192.0/19
- 140.96.224.0/19
- 2001:ed8:8000::/33
- 2001:ed8::/32
- 2001:ed8::/33
Upstreams and peers 9
The networks RIPE RIS sees next to AS18422 in BGP paths, the most visible first.
- AS4780 New Century InfoComm Tech Co.,Ltd.
- AS17408 Chief
- AS9924 Taiwan Fixed Network
- AS6939 Hurricane Electric
- AS10133 TPIX-TW Route Servers
- AS7539 TaiWan Advanced Research and Education Network(TWAREN)
- AS137409 Global Secure Layer
- AS18041 Taiwan Digital Streaming Co.
- AS7713 Telekomunikasi Indonesia Int (TELIN)
Peering
Peering policy: Open. Suggested max-prefix limits: 30 IPv4, 5 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| TPIX-TW | 2 | 20G | No |
| TWIX | 2 | 20G | No |
| Facility | City | Country |
|---|---|---|
| Chief LY Building Taipei | Taipei | TW |
More about AS18422
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 10:51 UTC. The country is where the AS number was registered, not necessarily where the network operates.