Smithsonian Institution
AS25829 is Smithsonian Institution (si.edu). It announces 62,464 IPv4 addresses in 6 prefixes, and 1 IPv6 prefixes.
United States· ARIN· allocated 2002-05-16· 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 States62,464 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SMITHSONIAN
- name
- Smithsonian Institution
- org
- SMITHS-1
- org name
- Smithsonian Institution
- org address
- 600 Maryland Ave SW, Suite 4040, Washington, DC, 20024
- org city
- Washington
- org country
- US
- country
- US
- source
- arin
- created
- 2002-05-16
- updated
- 2019-11-13
- abuse name
- Abuse-POC
- abuse email
- hargism@si.edu
- abuse phone
- +1-202-633-0611
- abuse kind
- role
- abuse city
- Ashburn
- abuse country
- US
- admin name
- Tran Nguyen
- admin email
- nguyent@si.edu
- admin phone
- +1-202-633-0333
- admin kind
- person
- admin city
- Washington
- admin country
- US
- tech
- HUSSE3-ARIN|TECHN1091-ARIN|TNN2-ARIN
- tech name
- Chris Hussey
- tech email
- husseyc@si.edu
- tech phone
- +1-202-633-5075
- tech kind
- person
- tech city
- District of Columbia
- 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.
- VPN IP480.08%
- anyip0.00%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.00%
- 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 |
|---|---|---|---|---|
| 38.127.143.0/24 | United States | not found | 19 | 2026-10-02 |
| 160.111.0.0/17 | United States | not found | 19 | 2026-10-02 |
| 160.111.128.0/18 | United States | not found | 19 | 2026-10-02 |
| 160.111.192.0/19 | United States | not found | 19 | 2026-10-02 |
| 160.111.224.0/21 | United States | not found | 19 | 2026-10-02 |
| 160.111.240.0/20 | United States | not found | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:550:7708::/48 | United States | not found | 18 | 2026-10-02 |
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