AS23675
Taiwan Semiconductor Manufactoring Company, Ltd.
AS23675 is Taiwan Semiconductor Manufactoring Company, Ltd.. It announces 4,864 IPv4 addresses in 19 prefixes, and 0 IPv6 prefixes.
Taiwan· APNIC· allocated 2003-03-18· business
4,864
IPv4 addresses announced
19
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
4,864
of its IPv4 geolocated
2
countries
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Taiwan4,608 · 94.74%
- United States256 · 5.26%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- TSMCGDN-AS-AP
- name
- Taiwan Semiconductor Manufacturing Company, Ltd.
- org
- ORG-TSMC1-AP
- org name
- Taiwan Semiconductor Manufacturing Company, Ltd.
- org address
- N0. 121, Park Ave 3, Hsinchu Science Park
- org country
- TW
- country
- TW
- source
- apnic
- updated
- 2018-10-03
- descr
- Taiwan Semiconductor Manufactoring Company, Ltd. / Transit AS / Global Data Network / Hsin-Chu, Taiwan
- remarks
- For routing problems with this ASN / please contact tech-c / For spam mail problems with this ASN / please contact lolo_tzeng@tsmc.com.tw
- maintainer
- MAINT-TW-TWNIC
- maintainer email
- chku@twnic.net.tw
- abuse email
- dns_admin@tsmc.com
- abuse kind
- irt
- admin
- LT898-AP
- tech
- LT898-AP
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.02%
- None here
- None here
- None here
- None here
- None here
- Hosting IP2565.26%
- None here
- None here
- None here
- SSH IP200.41%
- SMTP IP200.41%
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 106.105.110.0/24 | Taiwan | valid | 17 | 2026-10-02 |
| 202.126.64.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.65.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.66.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.67.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.68.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.69.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.70.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.71.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.72.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.73.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.74.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 202.126.75.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 203.66.100.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 203.66.101.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 203.66.102.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 203.66.245.0/24 | Taiwan | valid | 18 | 2026-10-02 |
| 208.70.204.0/24 | United States | valid | 18 | 2026-10-02 |
| 220.128.55.0/24 | Taiwan | valid | 18 | 2026-10-02 |
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