Adelphi University
AS20306 is Adelphi University (adelphi.edu). It announces 1,024 IPv4 addresses in 4 prefixes, and 2 IPv6 prefixes.
United States· ARIN· allocated 2001-04-20· 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 States1,024 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ADELPHI
- name
- Adelphi University
- org
- ADELPH
- org name
- Adelphi University
- org address
- OIT&R, 1 South Ave, Garden City, NY, 11530
- org city
- Garden City
- org country
- US
- country
- US
- source
- arin
- created
- 2001-04-20
- updated
- 2012-03-02
- abuse
- ABUSE1796-ARIN
- abuse name
- Abuse Coordinator
- abuse email
- abuse@adelphi.edu
- abuse phone
- +1-516-877-3340
- abuse kind
- role
- abuse city
- Garden City
- abuse country
- US
- admin name
- Arin Admin
- admin email
- arinadmin@adelphi.edu
- admin phone
- +1-516-877-3240
- admin kind
- role
- admin city
- Garden City
- admin country
- US
- tech
- FHI5-ARIN
- tech name
- Fred Hicks
- tech email
- arintech@adelphi.edu
- tech phone
- +1-516-877-3338
- tech kind
- person
- tech city
- Garden City
- tech country
- US
- abuse unvalidated since
- 2020-10-21
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.
- 0.49%
- anyip, geonode, proxyempire2.54%
- None here
- None here
- None here
- None here
- Hosting IP25524.90%
- None here
- None here
- None here
- 0.10%
- 0.20%
- 0.29%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 192.100.55.0/24 | United States | not found | 16 | 2026-10-02 |
| 192.147.12.0/24 | United States | not found | 16 | 2026-10-02 |
| 192.160.130.0/24 | United States | not found | 16 | 2026-10-02 |
| 192.160.131.0/24 | United States | not found | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:65:8000::/46 | United States | not found | 19 | 2026-10-02 |
| 2620:65:8000::/48 | United States | not found | 19 | 2026-10-02 |
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