AS70
National Library of Medicine
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
About United States National Library of Medicine
The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library.
Network profile
Source: PeeringDB →AS70 — global IP footprint
Cities where AS70 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 130.14.0.0/16 | 65.5K |
2.8%
|
National Library of Medicine | US | Maryland | Rockville |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS70 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 130.14.0.0/17 | 3,770 | 2026-07-18 10:52:48 |
| 130.14.128.0/17 | 3,604 | 2026-07-18 10:52:48 |
| 130.14.116.0/24 | 3,112 | 2026-07-18 10:51:59 |
| 130.14.136.0/24 | 3,106 | 2026-07-18 10:51:59 |
| 130.14.106.0/24 | 3,106 | 2026-07-18 10:51:59 |
| 130.14.76.0/24 | 3,106 | 2026-07-18 10:51:59 |
| 130.14.6.0/24 | 3,103 | 2026-07-18 10:51:59 |
| 130.14.176.0/24 | 3,102 | 2026-07-18 10:51:59 |
| 130.14.156.0/24 | 3,101 | 2026-07-18 10:51:59 |
| 130.14.75.0/24 | 3,088 | 2026-07-18 10:51:59 |
| 130.14.135.0/24 | 3,086 | 2026-07-18 10:51:59 |
| 130.14.155.0/24 | 3,079 | 2026-07-18 10:51:59 |
| 130.14.232.0/22 | 3,077 | 2026-07-18 10:51:59 |
| 130.14.154.0/24 | 3,077 | 2026-07-18 10:51:59 |
| 130.14.114.0/24 | 3,072 | 2026-07-18 10:51:59 |
| 130.14.147.0/24 | 3,071 | 2026-07-18 10:51:59 |
| 130.14.168.0/24 | 3,071 | 2026-07-18 10:51:59 |
| 130.14.5.0/24 | 3,070 | 2026-07-18 10:51:59 |
| 130.14.244.0/23 | 3,070 | 2026-07-18 10:51:59 |
| 130.14.118.0/24 | 3,070 | 2026-07-18 10:51:59 |
| 130.14.0.0/16 | 3,068 | 2026-07-18 10:51:59 |
| 130.14.148.0/24 | 3,067 | 2026-07-18 10:51:59 |
| 130.14.108.0/24 | 3,066 | 2026-07-18 10:51:59 |
| 130.14.254.0/24 | 3,066 | 2026-07-18 10:51:59 |
| 130.14.192.0/22 | 3,065 | 2026-07-18 10:51:59 |
| 130.14.177.0/24 | 3,064 | 2026-07-18 10:51:59 |
| 130.14.144.0/24 | 3,062 | 2026-07-18 10:51:59 |
| 130.14.236.0/22 | 3,060 | 2026-07-18 10:51:59 |
| 130.14.77.0/24 | 3,058 | 2026-07-18 10:51:59 |
| 130.14.163.0/24 | 3,055 | 2026-07-18 10:51:59 |
| 130.14.43.0/24 | 3,054 | 2026-07-18 10:51:59 |
| 130.14.180.0/23 | 3,052 | 2026-07-18 10:51:59 |
| 130.14.240.0/23 | 3,052 | 2026-07-18 10:51:59 |
| 130.14.13.0/24 | 3,052 | 2026-07-18 10:51:59 |
| 130.14.200.0/21 | 3,051 | 2026-07-18 10:51:59 |
| 130.14.253.0/24 | 3,050 | 2026-07-18 10:51:59 |
| 130.14.169.0/24 | 3,049 | 2026-07-18 10:51:59 |
| 130.14.124.0/24 | 3,049 | 2026-07-18 10:51:59 |
| 130.14.248.0/23 | 3,049 | 2026-07-18 10:51:59 |
| 130.14.71.0/24 | 3,048 | 2026-07-18 10:51:59 |
| 130.14.112.0/24 | 3,048 | 2026-07-18 10:51:59 |
| 130.14.241.0/24 | 3,047 | 2026-07-18 10:51:59 |
| 130.14.157.0/24 | 3,046 | 2026-07-18 10:51:59 |
| 130.14.170.0/24 | 3,044 | 2026-07-18 10:51:59 |
| 130.14.2.0/24 | 3,042 | 2026-07-18 10:51:59 |
| 130.14.143.0/24 | 3,042 | 2026-07-18 10:51:59 |
| 130.14.123.0/24 | 3,042 | 2026-07-18 10:51:59 |
| 130.14.110.0/24 | 3,042 | 2026-07-18 10:51:59 |
| 130.14.231.0/24 | 3,041 | 2026-07-18 10:51:59 |
| 130.14.20.0/23 | 3,040 | 2026-07-18 10:51:59 |
Showing top 50 of 64 announced prefixes by sample volume.
Frequently Asked Questions
What is AS70?
AS70 is an Autonomous System Number assigned to National Library of Medicine. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS70 announce?
AS70 announces 65.5K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.
Who operates AS70?
AS70 is operated by National Library of Medicine. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS70 registered in?
AS70 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
