Yu-Shan Tsai
AS149423 is Yu-Shan Tsai (chummydns.com). It announces 0 IPv4 addresses in 0 prefixes, and 1 IPv6 prefix.
Taiwan· APNIC· allocated 2022-01-07· ISP· chummydns.com
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CHUMMY-AS-TW
- name
- Yu-Shan Tsai
- org
- ORG-YT2-AP
- org name
- Yu-Shan Tsai
- org address
- No. 1, Dasyue Rd, East District, Tainan City, Taiwan 701
- org country
- TW
- country
- TW
- source
- apnic
- updated
- 2023-09-05
- descr
- Yu-Shan Tsai
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AC2525-AP
- abuse name
- ABUSE CHUMMYTW
- abuse email
- jimmy012403976@gmail.com
- abuse kind
- role
- admin
- CT1512-AP
- admin name
- Chummy Tsai
- admin email
- jimmy012403976@gmail.com
- admin phone
- +886-978-351-358
- admin kind
- role
- admin country
- TW
- tech
- CT1512-AP
- tech name
- Chummy Tsai
- tech email
- jimmy012403976@gmail.com
- tech phone
- +886-978-351-358
- tech kind
- role
- tech country
- TW
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
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
Hosted domains
The registered domains IP Hosted Domains lists on the addresses it announces, the most popular first.
- 1chummydns.com
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2407:9240:3100:: | Taiwan | Not found | 19 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.