AS30387
National Institutes of Health
AS30387 is National Institutes of Health (nih.gov). It announces 8,448 IPv4 addresses in 12 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2003-09-26· Government
8,448
IPv4 addresses announced
12
IPv4 prefixes
0
IPv6 prefixes
100.00%
of its routes RPKI-valid
8,448
of its IPv4 geolocated
1
country
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 States8,448 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NIH-NET-NCCS
- name
- National Institutes of Health
- org
- NIH
- org name
- National Institutes of Health
- org address
- 9000 Rockville Pike, MSC 4805, Bethesda, MD, 20892-4805
- org city
- Bethesda
- org country
- US
- country
- US
- source
- arin
- created
- 2003-09-26
- updated
- 2012-03-02
- abuse name
- NIHadm
- abuse email
- citnsarin@mail.nih.gov
- abuse phone
- +1-301-402-3141
- abuse kind
- role
- abuse city
- Bethesda
- abuse country
- US
- admin name
- NIHadm
- admin email
- citnsarin@mail.nih.gov
- admin phone
- +1-301-402-3141
- admin kind
- role
- admin city
- Bethesda
- admin country
- US
- tech name
- NIHtechs
- tech email
- citnsarin@mail.nih.gov
- tech phone
- +1-301-402-3141
- tech kind
- role
- tech city
- Bethesda
- tech country
- US
- abuse validated
- 1
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
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.02%
- Web IP110.13%
- 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 |
|---|---|---|---|---|
| 156.40.53.0/24 | United States | Valid | 17 | 2026-10-02 |
| 156.40.98.0/23 | United States | Valid | 17 | 2026-10-02 |
| 165.112.0.0/20also AS3527 | United States | Valid | 15 | 2026-10-02 |
| 165.112.0.0/21also AS3527 | United States | Valid | 15 | 2026-10-02 |
| 165.112.32.0/22 | United States | Valid | 17 | 2026-10-02 |
| 165.112.124.0/23 | United States | Valid | 17 | 2026-10-02 |
| 165.112.127.0/24 | United States | Valid | 17 | 2026-10-02 |
| 165.112.136.0/21also AS3527 | United States | Valid | 15 | 2026-10-02 |
| 165.112.194.0/23 | United States | Valid | 17 | 2026-10-02 |
| 165.112.200.0/22 | United States | Valid | 17 | 2026-10-02 |
| 165.112.200.0/23 | United States | Valid | 17 | 2026-10-02 |
| 165.112.252.0/23 | United States | Valid | 17 | 2026-10-02 |
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