AS53260
Clark University
AS53260 is Clark University (clarku.edu). It announces 24,576 IPv4 addresses in 9 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2009-07-15· education
24,576
IPv4 addresses announced
9
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
24,576
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 States24,576 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CLARKU
- name
- Clark University
- org
- CLARKU
- org name
- Clark University
- org address
- 950 Main Street, Worcester, MA, 01610-1477
- org city
- Worcester
- org country
- US
- country
- US
- source
- arin
- created
- 2009-07-15
- updated
- 2025-10-17
- abuse name
- Abuse
- abuse email
- abuse@clarku.edu
- abuse phone
- +1-508-793-7745
- abuse kind
- role
- abuse city
- Worcester
- abuse country
- US
- admin name
- Joseph Kalinowski
- admin email
- jkalinowski@clarku.edu
- admin phone
- +1-508-793-7178
- admin kind
- person
- admin city
- Worcester
- admin country
- US
- tech
- MNE114-ARIN
- tech name
- Manager of Network Engineering
- tech email
- jvoelker@clarku.edu
- tech phone
- +1-508-421-3877
- tech kind
- role
- tech city
- Worcester
- 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.
- 0.03%
- geonode, thordata, anyip0.06%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.02%
- None here
- 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 |
|---|---|---|---|---|
| 140.232.0.0/19 | United States | not found | 17 | 2026-10-02 |
| 140.232.0.0/20 | United States | not found | 17 | 2026-10-02 |
| 140.232.16.0/20 | United States | not found | 17 | 2026-10-02 |
| 140.232.192.0/19 | United States | not found | 17 | 2026-10-02 |
| 140.232.192.0/20 | United States | not found | 17 | 2026-10-02 |
| 140.232.208.0/20 | United States | not found | 17 | 2026-10-02 |
| 140.232.224.0/19 | United States | not found | 17 | 2026-10-02 |
| 140.232.224.0/20 | United States | not found | 17 | 2026-10-02 |
| 140.232.240.0/20 | United States | not found | 17 | 2026-10-02 |
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