National Library of Medicine
AS393689 is National Library of Medicine. It announces 2,304 IPv4 addresses in 4 prefixes, and 1 IPv6 prefix.
United States· ARIN· allocated 2014-11-06· 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 States2,304 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NLM-NCCS
- name
- National Library of Medicine
- org
- NLM
- org name
- National Library of Medicine
- org address
- 8600 Rockville Pike, Bethessda, MD, 20817
- org city
- Bethessda
- org country
- US
- country
- US
- source
- arin
- created
- 2014-11-06
- updated
- 2014-11-06
- abuse name
- Network Abuse Center
- abuse email
- abuse@nlm.nih.gov
- abuse phone
- +1-301-496-2943
- abuse kind
- role
- abuse city
- Bethesda
- abuse country
- US
- admin name
- Juan Cepeda
- admin email
- juan.cepeda@nih.gov
- admin phone
- +1-240-921-5340
- admin kind
- person
- admin city
- BETHESDA
- admin country
- US
- tech name
- Kevin Gates
- tech email
- kevin.gates@nih.gov
- tech phone
- +1-301-496-2572
- tech kind
- person
- tech city
- Bethesda
- tech country
- US
- abuse unvalidated since
- 2026-03-24
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.
- 0.04%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.22%
- None here
- None here
- Web IP331.43%
- 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 |
|---|---|---|---|---|
| 165.112.6.0/23 | United States | Valid | 19 | 2026-10-02 |
| 165.112.8.0/22 | United States | Valid | 19 | 2026-10-02 |
| 165.112.34.0/23 | United States | Valid | 19 | 2026-10-02 |
| 165.112.140.0/24 | United States | Valid | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2607:f220:41f::/48 | United States | Valid | 19 | 2026-10-02 |
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