Software Engineering Institute
AS36407 is Software Engineering Institute (cmu.edu). It announces 1,536 IPv4 addresses in 3 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 2005-12-22· 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 States1,536 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CERT
- name
- Software Engineering Institute
- org
- CERT-1
- org name
- Software Engineering Institute
- org address
- Software Engineering Institute, Carnegie Mellon University, 4500 Fifth Avenue, Pittsburgh, PA, 15213
- org city
- Pittsburgh
- org country
- US
- country
- US
- source
- arin
- created
- 2005-12-22
- updated
- 2012-03-02
- abuse name
- SEI Information Technology
- abuse email
- it-netreg@sei.cmu.edu
- abuse phone
- +1-412-268-3416
- abuse kind
- role
- abuse city
- Pittsburgh
- abuse country
- US
- admin name
- SEI Information Technology
- admin email
- it-netreg@sei.cmu.edu
- admin phone
- +1-412-268-3416
- admin kind
- role
- admin city
- Pittsburgh
- admin country
- US
- tech name
- SEI Information Technology
- tech email
- it-netreg@sei.cmu.edu
- tech phone
- +1-412-268-3416
- tech kind
- role
- tech city
- Pittsburgh
- 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.
- 0.07%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 147.72.252.0/22 | United States | valid | 19 | 2026-10-02 |
| 192.88.209.0/24 | United States | not found | 19 | 2026-10-02 |
| 192.88.210.0/24 | United States | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2620:8b:4000::/48 | United States | not found | 20 | 2026-10-02 |
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