Rensselaer Polytechnic Institute
AS91 is Rensselaer Polytechnic Institute (rpi.edu). It announces 330,496 IPv4 addresses in 12 prefixes, and 2 IPv6 prefixes.
United States· ARIN· allocated 1986-11-18· 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 States330,496 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- RPI-AS
- name
- Rensselaer Polytechnic Institute
- org
- ITS-1-Z
- org name
- Rensselaer Polytechnic Institute
- org address
- 110 8th Street, Troy, NY, 12180-3590
- org city
- Troy
- org country
- US
- country
- US
- source
- arin
- created
- 1986-11-18
- updated
- 2023-01-05
- abuse name
- Security Team
- abuse email
- security@rpi.edu
- abuse phone
- +1-518-276-8181
- abuse kind
- role
- abuse city
- Troy
- abuse country
- US
- admin name
- Graham Doig
- admin email
- doigg@rpi.edu
- admin phone
- +1-518-276-2604
- admin kind
- person
- admin city
- Troy
- admin country
- US
- tech
- CCM11-ARIN|GD341-ARIN
- tech name
- Colleen Morrissey
- tech email
- morric@rpi.edu
- tech phone
- +1-518-276-6594
- tech kind
- person
- tech city
- Troy
- 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.
- 0.00%
- geonode, anyip, dataimpulse0.06%
- None here
- None here
- None here
- None here
- Hosting IP1,2800.39%
- None here
- None here
- None here
- 0.00%
- None here
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 128.113.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 128.213.0.0/16 | United States | not found | 19 | 2026-10-02 |
| 129.5.0.0/16 | United States | valid | 17 | 2026-10-02 |
| 129.161.0.0/16 | United States | valid | 19 | 2026-10-02 |
| 146.8.0.0/16 | United States | valid | 17 | 2026-10-02 |
| 192.12.91.0/24 | United States | valid | 17 | 2026-10-02 |
| 192.12.92.0/24 | United States | valid | 17 | 2026-10-02 |
| 204.76.222.0/24 | United States | valid | 17 | 2026-10-02 |
| 204.76.223.0/24 | United States | valid | 17 | 2026-10-02 |
| 204.76.224.0/22 | United States | valid | 17 | 2026-10-02 |
| 204.76.228.0/23 | United States | valid | 17 | 2026-10-02 |
| 204.145.205.0/24 | United States | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:0:bf0::/48 | United States | not found | 18 | 2026-10-02 |
| 2620:0:2820::/48 | United States | not found | 20 | 2026-10-02 |
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