United States Patent and Trademark Office
AS5744 is United States Patent and Trademark Office (uspto.gov). It announces 5,120 IPv4 addresses in 3 prefixes, and 7 IPv6 prefixes.
United States· ARIN· allocated 1995-09-20· government
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 States5,120 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- USPTO
- name
- United States Patent and Trademark Office
- org
- USPTO
- org name
- United States Patent and Trademark Office
- org address
- 600 Dulaney Street, Alexandria, VA, 22314
- org city
- Alexandria
- org country
- US
- country
- US
- source
- arin
- created
- 1995-09-20
- updated
- 2022-03-31
- abuse name
- Chief Watch Officer
- abuse email
- abuse@uspto.gov
- abuse phone
- +1-571-272-6700
- abuse kind
- role
- abuse city
- Alexandria
- abuse country
- US
- admin name
- Karen Lear
- admin email
- karen.mcghee@uspto.gov
- admin phone
- +1-571-272-5314
- admin kind
- person
- admin city
- Alexandria
- admin country
- US
- tech
- KEL17-ARIN
- tech name
- Karen Lear
- tech email
- karen.mcghee@uspto.gov
- tech phone
- +1-571-272-5314
- tech kind
- person
- tech city
- Alexandria
- 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.
- None here
- anyip0.10%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.08%
- None here
- 0.08%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 151.207.232.0/22 | United States | valid | 19 | 2026-10-02 |
| 151.207.240.0/20 | United States | valid | 19 | 2026-10-02 |
| 151.207.252.0/22 | United States | valid | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2610:20:5010::/44 | United States | valid | 20 | 2026-10-02 |
| 2610:20:5011::/48 | United States | valid | 20 | 2026-10-02 |
| 2610:20:5012::/48 | United States | valid | 20 | 2026-10-02 |
| 2610:20:5020::/44 | United States | valid | 20 | 2026-10-02 |
| 2610:20:5100::/40 | United States | valid | 20 | 2026-10-02 |
| 2610:20:5120::/44 | United States | valid | 20 | 2026-10-02 |
| 2610:20:5160::/44 | United States | valid | 20 | 2026-10-02 |
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