# National Center for Biotechnology Information outage reports and status

Canonical page: https://iszdown.com/now/ncbi

Status: Website reachable in latest check

24-hour window (UTC): 2026-10-18T05:00:00.000Z to 2026-10-19T05:00:00.000Z

Recorded outage reports in this window: 0

Last successful estimated-activity check: No usable observation available

The National Center for Biotechnology Information is part of the United States National Library of Medicine, a branch of the National Institutes of Health. It is approved and funded by the government of the United States. The NCBI is located in Bethesda, Maryland and was founded in 1988 through legislation sponsored by US Congressman Claude Pepper. The NCBI houses a series of databases relevant to biotechnology and biomedicine and is an important resource for bioinformatics tools and services. Major databases include GenBank for DNA sequences and PubMed, a bibliographic database for biomedical literature. Other databases include the NCBI Epigenomics database. All these databases are available online through the Entrez search engine. NCBI was directed by David Lipman, one of the original authors of the BLAST sequence alignment program and a widely respected figure in bioinformatics.

## How to interpret this page

Estimated down reports are based on US Google Trends problem-intent searches. Values are relative activity from 0 to 100, not counts of submitted reports. The HTML chart averages samples into ten-minute intervals. Partial samples are excluded and missing samples are not invented.

Recorded outage reports and estimated activity are separate signals. Neither confirms that every user is affected. Missing or stale data does not establish that a service is working.

Methodology: https://iszdown.com/methodology

## Citation

Cite [National Center for Biotechnology Information on Iszdown](https://iszdown.com/now/ncbi), include your access time and the observation time above, and qualify estimated activity as an estimate. Recheck before describing current status. Iszdown is independent of the monitored provider.

## Estimated activity samples

No usable Google Trends samples are available for this service in this window.

## Evidence and recovery

Website reachable in latest check. The public website responded; signed-in features and APIs were not tested.

No recent recovery can be established from available evidence.

## Website measurements

Successful sampled checks (24h): 100% (2/2). Restricted checks: 0. Median response: 29 ms. P95 response: 52 ms.

These are sampled public website checks from one US server, not continuous uptime or authenticated app/API tests. Missing data stays unknown.


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