Williamslabs LLC
AS397990 is Williamslabs LLC (williamslabs.com). It announces 512 IPv4 addresses in 2 prefixes, and 2 IPv6 prefixes.
United States· ARIN· allocated 2019-09-30· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States512 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- WILLIAMSLABS-LLC
- name
- Williamslabs LLC
- org
- WL-645
- org name
- Williamslabs LLC
- org address
- 481 N. Santa Cruz Ave #232, Los Gatos, CA, 95030
- org city
- Los Gatos
- org country
- US
- country
- US
- source
- arin
- created
- 2019-09-30
- updated
- 2023-08-14
- abuse
- NOC33686-ARIN
- abuse name
- Network Operations Center
- abuse email
- arin-admin@williamslabs.com
- abuse phone
- +1-408-596-3432
- abuse kind
- role
- abuse city
- Los Gatos
- abuse country
- US
- admin name
- Phelps Williams
- admin email
- arin@williamslabs.com
- admin phone
- +1-408-596-3432
- admin kind
- person
- admin city
- Los Gatos
- admin country
- US
- tech
- NOC33686-ARIN
- tech name
- Network Operations Center
- tech email
- arin-admin@williamslabs.com
- tech phone
- +1-408-596-3432
- tech kind
- role
- tech city
- Los Gatos
- tech country
- US
- abuse validated
- 1
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
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 23.144.112.0/24 | United States | not found | 17 | 2026-10-02 |
| 44.31.141.0/24 | United States | not found | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:78:a000::/44 | United States | not found | 19 | 2026-10-02 |
| 2620:78:a000::/48 | United States | not found | 10 | 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.