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AS18180

Taiwan Network Information Center

AS18180 is Taiwan Network Information Center (twnic.tw). It announces 5,888 IPv4 addresses in 12 prefixes, and 0 IPv6 prefixes.

Taiwan· APNIC· allocated 2002-04-05· business

5,888
IPv4 addresses announced
12
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
5,888
of its IPv4 geolocated
1
country

Where its space is

The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.

  1. China5,888 · 100.00%

Registry record

Its ASN Whois record, as the registry publishes it.

handle
TWNIC-AS
name
Taiwan Network Information Center
country
TW
source
apnic
updated
2021-11-04
descr
Taiwan Network Information Center / 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., / Taipei, Taiwan
maintainer
MAINT-TW-TWNIC
maintainer email
chku@twnic.net.tw
abuse
AT939-AP
abuse name
ABUSE TWNICAP
abuse kind
role
admin
NH33-AP
tech
NH33-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.

IPv4 prefixes

Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.

12 prefixes
PREFIXCOUNTRYRPKIPEERSFIRST SEEN
221.128.128.0/22Chinanot found172026-10-02
221.128.128.0/23Chinanot found72026-10-02
221.128.130.0/23Chinanot found72026-10-02
221.128.195.0/24Chinanot found172026-10-02
221.128.236.0/23Chinanot found172026-10-02
221.128.236.0/24Chinanot found72026-10-02
221.128.240.0/22Chinanot found42026-10-02
221.128.240.0/23Chinanot found72026-10-02
221.128.242.0/24Chinanot found72026-10-02
221.128.244.0/22Chinanot found42026-10-02
221.128.248.0/21Chinanot found172026-10-02
221.128.248.0/22Chinanot found72026-10-02
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