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CIDR
/19 · 8.2K IPs
ASN
Cablevision Systems Corp.
Reverse DNS
ool-321d0008.dyn.optonline.net
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.

86/100
Trusted
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
ool-321d0008.dyn.optonline.net
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
21600 s
Reverse DNS last checked
2026-07-17 18:50 UTC
Forward DNS last checked
2026-07-17 18:50 UTC

Forward DNS records for ool-321d0008.dyn.optonline.net

TypeValuePriorityTTL
A 50.29.0.8 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 50.29.0.8

CIDR range
50.29.0.0/19
IP range (int)
840,761,344 — 840,769,535
Prefix length
/19
Organization
Cablevision Systems Corp.
ASN
AS6128
ASN name
Cablevision Systems Corp.
Location
Newark, New Jersey, United States
Coordinates
40.764100, -74.165400
Accuracy radius
50 km
Postal code
07104
Regional Internet Registry
ARIN
Allocated
2011-08-18
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-11 09:20:18

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

Announced prefix
Origin AS
Announcement samples
5,566
Last seen
2026-07-18 19:44:24

Frequently Asked Questions

Who owns 50.29.0.8?

50.29.0.8 is allocated to Cablevision Systems Corp. (AS6128), registered in Newark, United States.

Where is 50.29.0.8 located?

The geolocation for 50.29.0.8 maps to Newark, 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 50.29.0.8 on?

50.29.0.8 belongs to the 50.29.0.0/19 network block announced by AS6128. This range contains 8,192 addresses.

Does 50.29.0.8 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: 2026-07-17 15:57:26 UTC
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