Taiwan Network Information Center
AS131621 is Taiwan Network Information Center (twnic.tw). It announces 768 IPv4 addresses in 3 prefixes, and 1 IPv6 prefix.
Taiwan· APNIC· allocated 2011-07-21· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Taiwan768 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- TWNIC-NET-AS
- name
- Taiwan Network Information Center
- country
- TW
- source
- apnic
- updated
- 2021-11-04
- descr
- Taiwan Network Information Center / 4F-2, No. 9 Sec. 2, Roosevelt Rd., / Taipei, Taiwan, 100
- maintainer
- MAINT-TW-TWNIC
- maintainer email
- chku@twnic.net.tw
- abuse
- AT939-AP
- abuse name
- ABUSE TWNICAP
- abuse email
- hostmaster@twnic.tw
- abuse kind
- role
- admin
- ck373-AP
- tech
- NS10-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.
- None here
- proxycc, nsocks, proxylite0.78%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 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 |
|---|---|---|---|---|
| 101.101.101.0/24also AS131644 | Taiwan | valid | 4 | 2026-10-02 |
| 101.102.103.0/24also AS131644 | Taiwan | valid | 4 | 2026-10-02 |
| 182.173.1.0/24 | Taiwan | valid | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:de4::/48 | Taiwan | valid | 19 | 2026-10-02 |
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