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WorldIP.io
CIDR
/21 · 2.0K IPs
ASN
Leaseweb USA, Inc.
Reverse DNS
athenadiagnostics.com
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.

81/100
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)
athenadiagnostics.com
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
21600 s
Reverse DNS last checked
2026-11-08 21:44 UTC

Forward DNS records for athenadiagnostics.com

TypeValuePriorityTTL
A 20.51.235.207 — 30s
MX cluster4.us.messagelabs.com 10 —
MX cluster4a.us.messagelabs.com 20 —
MX mail05.questdiagnostics.com 100 —
NS ns1.questdiagnostics.com — —
NS ns11.questdiagnostics.com — —
NS ns12.questdiagnostics.com — —
NS ns3.questdiagnostics.com — —
TXT 00DG0000000C76q=1TBVy00000006AI — —
TXT MS=ms36767144 — —
TXT _l9c6fxs781t9snbbeb5m04vmdum37d3 — —
TXT pfy2nq1xnjrmzkgknxpv6n5495f68rmg — —
TXT v=DMARC1;p=reject;rua=mailto:dmarc_agg@emailfraudprotect.email — —
TXT v=spf1 include:spf.messagelabs.com include:spf.protection.outlook.com include:_spf.paubox.com -all — —
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 2026-11-11 UTC

0

issued.live's latest DNS data shows no domain resolving to this IP.

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

Network Allocation for 209.58.143.213

CIDR range
209.58.136.0/21
IP range (int)
3,510,274,048 — 3,510,276,095
Prefix length
/21
Organization
Leaseweb USA, Inc.
ASN
AS7203
ASN name
Leaseweb USA, Inc.
Location
San Jose, California, United States
Coordinates
37.338800, -121.891600
Accuracy radius
1000 km
Postal code
95141
Regional Internet Registry
ARIN
Allocated
1999-04-29
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-11-10 04:10:41

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

Announced prefix
Origin AS
Announcement samples
13,918
Last seen
2026-11-11 02:03:34

Frequently Asked Questions

Who owns 209.58.143.213?

209.58.143.213 is allocated to Leaseweb USA, Inc. (AS7203), registered in San Jose, United States.

Where is 209.58.143.213 located?

The geolocation for 209.58.143.213 maps to San Jose, 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 209.58.143.213 on?

209.58.143.213 belongs to the 209.58.136.0/21 network block announced by AS7203. This range contains 2,048 addresses.

Does 209.58.143.213 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: 2026-11-10 11:30:30 UTC
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