Taiwan Semiconductor Manufacturing Company, Ltd.
BGP inherited
Cluster stats
| Netblocks | 20 |
| All fragments | 22 blocks across 2 clusters |
| Cluster ID | 204422269 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
20
0 netblocks since 2026-07-05
2026-07-05
peak 20
2026-07-13
IP Ranges (20)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 106.105.110.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.64.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.65.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.66.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.67.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.68.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.69.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.70.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.71.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.72.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.73.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.74.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.75.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 203.66.100.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 203.66.101.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 203.66.102.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 203.66.245.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 208.70.204.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 220.128.55.0/24 | Taiwan Semiconductor Manufacturing Company, Ltd. | BGP | ANNOUNCED | ● high |
| 202.126.64.0/20 | Taiwan Semiconductor Manufacturing Company, Ltd. | APNIC | ALLOCATED PORTABLE | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(20 of 20)
Possible discrepancies (13)
These blocks are registered to Taiwan Semiconductor Manufacturing Company, Ltd. 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.
| 202.126.64.0/20 /20 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.64.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.65.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.66.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.67.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.68.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.69.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.70.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.71.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.72.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.73.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.74.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
| 202.126.75.0/24 /24 | authorized for AS3462 — Chunghwa Telecom Co., Ltd. |
NIC Handles
AS23675
HCH27-AP
HCH27-AP
MAINT-TW-TWNIC
ORG-TSMC1-AP