AS11736
University of South Dakota
AS11736 is University of South Dakota (usd.edu). It announces 16,640 IPv4 addresses in 9 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 1998-12-03· education
16,640
IPv4 addresses announced
9
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
16,640
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.
- United States16,640 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- USD
- name
- University of South Dakota
- org
- USD-1
- org name
- University of South Dakota
- org address
- 414 E. Clark Street, Vermillion, SD, 57069
- org city
- Vermillion
- org country
- US
- country
- US
- source
- arin
- created
- 1998-12-03
- updated
- 2021-10-18
- abuse name
- Cheryl Tiahrt
- abuse email
- Cheryl.Tiahrt@usd.edu
- abuse phone
- +1-605-658-6000
- abuse kind
- person
- abuse city
- Vermillion
- abuse country
- US
- admin name
- Cheryl Tiahrt
- admin email
- Cheryl.Tiahrt@usd.edu
- admin phone
- +1-605-658-6000
- admin kind
- person
- admin city
- Vermillion
- admin country
- US
- tech
- CT509-ARIN|GRUHN-ARIN|PETER1557-ARIN
- tech name
- Cheryl Tiahrt
- tech email
- Cheryl.Tiahrt@usd.edu
- tech phone
- +1-605-658-6000
- tech kind
- person
- tech city
- Vermillion
- 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.
- 0.04%
- geonode, anyip, arnproxy0.15%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- SSH IP100.06%
- 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 |
|---|---|---|---|---|
| 192.55.228.0/24 | United States | valid | 20 | 2026-10-02 |
| 192.236.32.0/19 | United States | valid | 20 | 2026-10-02 |
| 206.176.0.0/20 | United States | valid | 18 | 2026-10-02 |
| 206.176.0.0/21 | United States | valid | 20 | 2026-10-02 |
| 206.176.8.0/22 | United States | valid | 20 | 2026-10-02 |
| 206.176.12.0/23 | United States | valid | 20 | 2026-10-02 |
| 206.176.57.0/24 | United States | valid | 20 | 2026-10-02 |
| 206.176.58.0/24 | United States | valid | 20 | 2026-10-02 |
| 206.209.0.0/20 | United States | valid | 20 | 2026-10-02 |
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