Southwest Research Institute
AS6481 is Southwest Research Institute (swri.org). It announces 65,536 IPv4 addresses in 1 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1996-04-29· 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.
- United States65,536 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SWRI
- name
- Southwest Research Institute
- org
- SRI-5
- org name
- Southwest Research Institute
- org address
- 6220 Culebra Road, Dept. 32, P.O. Drawer 28510, San Antonio, TX, 78228-0510
- org city
- San Antonio
- org country
- US
- country
- US
- source
- arin
- created
- 1996-04-29
- updated
- 2025-09-30
- abuse name
- Todd Hebert
- abuse email
- todd.hebert@swri.org
- abuse phone
- +1-210-522-6591
- abuse kind
- person
- abuse city
- San Antonio
- abuse country
- US
- admin name
- Todd Hebert
- admin email
- todd.hebert@swri.org
- admin phone
- +1-210-522-6591
- admin kind
- person
- admin city
- San Antonio
- admin country
- US
- tech
- HEBER124-ARIN
- tech name
- Todd Hebert
- tech email
- todd.hebert@swri.org
- tech phone
- +1-210-522-6591
- tech kind
- person
- tech city
- San Antonio
- tech country
- US
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
- anyip0.00%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.01%
- None here
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 129.162.0.0/16 | United States | not found | 18 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:14::/48 | United States | not found | 20 | 2026-10-02 |
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