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WorldIP.io
CIDR
/19 · 8.2K IPs
ASN
National Library of Medicine
Reverse DNS
nlm.nih.gov
Last scanned 2 days ago
Blocklisted
Checking…
Scanning blocklists

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.

85/100
Trusted
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
nlm.nih.gov
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-11-04 04:31 UTC

Forward DNS records for nlm.nih.gov

TypeValuePriorityTTL
A 130.14.16.110 — 3600s
AAAA 2607:f220:41e:1016::110 — 3229s
MX nihcesxway3.hub.nih.gov 10 —
MX nihcesxway4.hub.nih.gov 10 —
MX nihcesxway5.hub.nih.gov 10 —
MX nihcesxway6.hub.nih.gov 10 —
MX nihcesxwayst03.hub.nih.gov 10 —
MX nihcesxwayst04.hub.nih.gov 10 —
MX nihcesxwayst05.hub.nih.gov 10 —
MX nihcesxwayst06.hub.nih.gov 10 —
NS lhcns1.nlm.nih.gov — —
NS lhcns2.nlm.nih.gov — —
NS ns.nih.gov — —
NS ns2.nih.gov — —
NS ns3.nih.gov — —
TXT A/aHTj2IRR3m37p7zSqMJM97lYQAyAkV78zyIJgqM8MlS/mw1mqS1C6DS/qEOYMId66sc+2U9PeQ8b1AXkEQMw== — —
TXT _4fgf9wsjuk5k41t6kzlg3bzcu1p72dj — —
TXT _d1fmnw6ms87whm9ew41pbgj4zyzbao1 — —
TXT _g3gczfjzmvi5vum7d0i95nvllimb284 — —
TXT amazonses:oqFwg1Ruks+2BtoQfoQ73XwgaCHjh29zJiAUJqJZ9Ig= — —
TXT google-site-verification=k9misalwdj0eJ1c01_rQqoYwHIWkV1vFoQmgXkgTghw — —
TXT v=spf1 include:amazonses.com include:nih.gov ~all — —
CAA issue amazon.com 0 —
CAA issue amazonaws.com 0 —
CAA issue amazontrust.com 0 —
CAA issue awstrust.com 0 —
CAA issue digicert.com 0 —
CAA issue godaddy.com 0 —
CAA issue identrust.com 0 —
CAA issue letsencrypt.org 0 —
CAA issuewild amazon.com 0 —
CAA issuewild amazonaws.com 0 —
CAA issuewild amazontrust.com 0 —
CAA issuewild awstrust.com 0 —
CAA issuewild digicert.com 0 —
CAA issuewild letsencrypt.org 0 —
every IP & sub-domain we've seen under this domain

Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.

Domains hosted

as of 2026-11-04 UTC

2

Registrable domains (like example.com) with at least one name resolving to this IP — updated daily from issued.live's DNS data.

Domain data provided by issued.live — for full details visit https://issued.live/pricing

Network Allocation for 130.14.16.110

CIDR range
130.14.0.0/19
IP range (int)
2,181,955,584 — 2,181,963,775
Prefix length
/19
Organization
National Library of Medicine
ASN
AS70
ASN name
National Library of Medicine
Location
Gaithersburg, Maryland, United States
Coordinates
39.109000, -77.248900
Accuracy radius
50 km
Postal code
20878
Regional Internet Registry
ARIN
Allocated
1988-04-19
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-11-03 04:09:06

Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.

Announced prefix
Origin AS
Announcement samples
26,664
Last seen
2026-11-04 20:17:54

Frequently Asked Questions

Who owns 130.14.16.110?

130.14.16.110 is allocated to National Library of Medicine (AS70), registered in Gaithersburg, United States.

Where is 130.14.16.110 located?

The geolocation for 130.14.16.110 maps to Gaithersburg, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.

What network is 130.14.16.110 on?

130.14.16.110 belongs to the 130.14.0.0/19 network block announced by AS70. This range contains 8,192 addresses.

Does 130.14.16.110 have a reverse DNS record?

Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.

Neighbors

Other addresses in the same /24.

Related

Last updated: 2026-11-03 04:46:13 UTC
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