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CIDR
/21 · 2.0K IPs
ASN
Optimum Online
Reverse DNS
ool-3f8f9f66.dyn.optonline.net
Last scanned 19 hr 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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
ool-3f8f9f66.dyn.optonline.net
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
21600 s
Reverse DNS last checked
2026-09-12 15:07 UTC

Forward DNS records for ool-3f8f9f66.dyn.optonline.net

TypeValuePriorityTTL
A 63.143.159.102 172800s
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.

Network Allocation for 63.143.159.102

CIDR range
63.143.152.0/21
IP range (int)
1,066,375,168 — 1,066,377,215
Prefix length
/21
Organization
Optimum Online
ASN
AS53488
ASN name
Optimum Online
Location
Hendersonville, North Carolina, United States
Coordinates
35.320000, -82.502800
Accuracy radius
10 km
Postal code
28739
Regional Internet Registry
ARIN
Allocated
2011-03-10
Data source(s)
maxmind_city, maxmind_country, maxmind_asn, ipinfo_lite
Last updated
2026-09-13 05:23:21

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

Announced prefix
Origin AS
Announcement samples
15,948
Last seen
2026-09-13 10:06:31

Frequently Asked Questions

Who owns 63.143.159.102?

63.143.159.102 is allocated to Optimum Online (AS53488), registered in Hendersonville, United States.

Where is 63.143.159.102 located?

The geolocation for 63.143.159.102 maps to Hendersonville, 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 63.143.159.102 on?

63.143.159.102 belongs to the 63.143.152.0/21 network block announced by AS53488. This range contains 2,048 addresses.

Does 63.143.159.102 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: 2026-09-13 10:19:01 UTC
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