Tsung-Yi Yu
AS51930 is Tsung-Yi Yu (lambda-ix.net). It announces 0 IPv4 addresses in 0 prefixes, and 0 IPv6 prefixes.
Taiwan· RIPE NCC· allocated 2021-09-22· ISP· lambda-ix.net
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
- LAMBDAIX-RS
- name
- Tsung-Yi Yu
- org
- ORG-TY18-RIPE
- org name
- Tsung-Yi Yu
- org country
- TW
- country
- TW
- source
- ripe
- status
- ASSIGNED
- created
- 2021-09-22
- updated
- 2025-12-31
- maintainer
- RIPE-NCC-END-MNT|STEVEYI-MNT
- abuse name
- NOC
- abuse email
- abuse@steveyi.net
- abuse kind
- role
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
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- None here
- None here
- None here
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- None here
- None here
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- None here
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.