Taiwan Academic Network Information Center
Taiwan Academic Network (TANet) Information Center
Cluster stats
| Netblocks | 231 |
| All fragments | 2,422 blocks across 30 clusters |
| Cluster ID | 191579979 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| 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
2 weekly snapshots · JSON
231
0 netblocks since 2026-07-05
2026-07-05
peak 231
2026-07-06
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