Washington University
AS2552 is Washington University (wustl.edu). It announces 73,984 IPv4 addresses in 3 prefixes, and 2 IPv6 prefixes.
United States· ARIN· allocated 1993-03-16· 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 States73,984 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- WUSTL-ASN
- name
- Washington University
- org
- WASHIN-Z
- org name
- Washington University
- org address
- Network Technology Services, 1 Brookings Drive, Campus Box 1048, St. Louis, MO, 63130
- org city
- St. Louis
- org country
- US
- country
- US
- source
- arin
- created
- 1993-03-16
- updated
- 2012-04-02
- abuse name
- Network Operations Center
- abuse email
- WashU_IT-SI_SOCCommandCenter@email.wustl.edu
- abuse phone
- +1-314-935-7048
- abuse kind
- role
- abuse city
- St. Louis
- abuse country
- US
- admin name
- Network Operations Center
- admin email
- WashU_IT-SI_SOCCommandCenter@email.wustl.edu
- admin phone
- +1-314-935-7048
- admin kind
- role
- admin city
- St. Louis
- admin country
- US
- tech name
- Network Operations Center
- tech phone
- +1-314-935-7048
- tech kind
- role
- tech city
- St. Louis
- 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.
- VPN IP40vpngate0.05%
- geonode, anyip, geonix0.10%
- None here
- None here
- None here
- None here
- Hosting IP6,4008.65%
- None here
- None here
- None here
- SSH IP3430.46%
- SMTP IP2000.27%
- 0.02%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 65.254.96.0/19 | United States | valid | 19 | 2026-10-02 |
| 128.252.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 192.31.46.0/24 | United States | valid | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2604:3e00::/32 | United States | valid | 20 | 2026-10-02 |
| 2606:fd80::/32 | United States | valid | 20 | 2026-10-02 |
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