Taiwan Academic Network Information Center

Taiwan Academic Network (TANet) Information Center
BGP inherited
Cluster stats
Netblocks231
All fragments 2,424 blocks across 30 clusters
Cluster ID204397428
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 2 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
231 0 netblocks since 2026-07-05
2026-07-05 peak 231 2026-07-13

IP Ranges (231)

showing 50 of 231 — see all⬇ export CSV
CIDR Org name Registry Status Confidence
120.96.0.0/11 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.96.144.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.96.160.0/19 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.96.192.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.96.208.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.96.224.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.107.0.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.108.56.0/21 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.108.64.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.109.0.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.109.64.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.110.64.0/19 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.110.96.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.110.112.0/22 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.110.116.0/23 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.113.64.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.118.0.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.118.64.0/19 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.118.96.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.118.118.0/23 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.119.176.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.0.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.64.0/19 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.96.0/19 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.128.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.192.0/21 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.200.0/23 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.204.0/22 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.208.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.124.224.0/19 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.125.0.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.125.64.0/20 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.125.80.0/21 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.125.88.0/23 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
120.125.128.0/18 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
134.208.0.0/16 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.92.0.0/17 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.92.0.0/16 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.92.128.0/17 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.110.0.0/15 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.112.0.0/12 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.119.88.0/21 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.120.0.0/16 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.125.0.0/16 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.127.36.0/24 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.127.37.0/24 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.127.38.0/24 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.127.39.0/24 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.127.40.0/24 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high
140.127.41.0/24 Taiwan Academic Network (TANet) Information Center BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (231 of 231)
Possible discrepancies (19)

These blocks are registered to Taiwan Academic Network (TANet) Information Center but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

140.125.0.0/16 /16 authorized for AS17712 — National Chung Cheng University
120.113.64.0/18 /18 authorized for AS17712 — National Chung Cheng University
140.130.16.0/20 /20 authorized for AS17712 — National Chung Cheng University
140.130.112.0/20 /20 authorized for AS17712 — National Chung Cheng University
140.130.8.0/21 /21 authorized for AS17712 — National Chung Cheng University
140.130.32.0/21 /21 authorized for AS17712 — National Chung Cheng University
140.130.104.0/21 /21 authorized for AS17712 — National Chung Cheng University
203.72.0.0/21 /21 authorized for AS17712 — National Chung Cheng University
140.130.4.0/22 /22 authorized for AS17712 — National Chung Cheng University
140.130.2.0/23 /23 authorized for AS17712 — National Chung Cheng University
140.130.102.0/23 /23 authorized for AS17712 — National Chung Cheng University
140.130.128.0/23 /23 authorized for AS17712 — National Chung Cheng University
210.240.202.0/23 /23 authorized for AS17712 — National Chung Cheng University
140.130.1.0/24 /24 authorized for AS17712 — National Chung Cheng University
140.130.40.0/24 /24 authorized for AS17712 — National Chung Cheng University
+4 more — see the REST API

NIC Handles

AS1659 MAINT-TW-TWNIC