National Institutes of Health
Cluster stats
| Netblocks | 28 |
| All fragments | 29 blocks across 2 clusters |
| Cluster ID | 191594787 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (28)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 128.231.0.0/16 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 128.231.3.0/24 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 128.231.245.0/24 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 137.187.0.0/16 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 156.40.0.0 – 156.40.92.255 | National Institutes of Health | ARIN | ● high | |
| 156.40.0.0/16 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 156.40.53.0/24 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 156.40.96.0 – 156.40.196.255 | National Institutes of Health | ARIN | ● high | |
| 156.40.98.0/23 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 156.40.198.0 – 156.40.255.255 | National Institutes of Health | ARIN | ● high | |
| 157.98.0.0/16 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 162.99.224.0/19 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.0.0/20 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.0.0/16 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.0.0/21 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.32.0/22 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.124.0/23 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.127.0/24 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.136.0/21 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.194.0/23 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.200.0/22 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.200.0/23 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 165.112.252.0/23 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 192.231.145.0/24 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 192.231.146.0/23 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 192.231.146.0/24 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 192.231.147.0/24 | National Institutes of Health | BGP | ANNOUNCED | ● high |
| 2607:f220:400::/43 | National Institutes of Health | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
78.6%
of checked blocks have valid RPKI ROA coverage
(22 of 28)
No discrepancies found among checked blocks.
NIC Handles
AS30387
AS3527
NIH-Z
NIHAD-ARIN
NIHAD-ARIN
NIHAD-ARIN
NIHTE-ARIN
NIHTE-ARIN
NIHTE-ARIN