University of Rochester
AS20 is University of Rochester (rochester.edu). It announces 66,048 IPv4 addresses in 3 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 1984-07-27· 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 States66,048 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- UR
- name
- University of Rochester
- org
- UNIVER-40-Z
- org name
- University of Rochester
- org address
- University IT, 1630 Lond Pond Road, Rochester, NY, 14626
- org city
- Rochester
- org country
- US
- country
- US
- source
- arin
- created
- 1984-07-27
- updated
- 2019-10-01
- abuse name
- Douglas Bentley
- abuse email
- douglas.bentley@rochester.edu
- abuse phone
- +1-585-275-6550
- abuse kind
- person
- abuse city
- Rochester
- abuse country
- US
- admin name
- University of Rochester Admin Contact
- admin email
- douglas.bentley@rochester.edu
- admin phone
- +1-585-275-0090
- admin kind
- role
- admin city
- Rochester
- admin country
- US
- tech
- FERNA540-ARIN|URTC-ARIN
- tech name
- Amit Fernandes
- tech email
- amit.fernandes@rochester.edu
- tech phone
- +1-585-506-7390
- tech kind
- person
- tech city
- Rochester
- 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.
- 0.01%
- geonode, anyip, rayobyte0.01%
- None here
- None here
- None here
- None here
- Hosting IP1,0241.55%
- None here
- None here
- None here
- SSH IP140.02%
- 0.01%
- 0.03%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 128.151.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 192.5.53.0/24 | United States | valid | 19 | 2026-10-02 |
| 199.89.214.0/24 | United States | valid | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:107:a000::/40 | United States | valid | 20 | 2026-10-02 |
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