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CIDR
/21 · 2.0K IPs
ASN
San Da Cable TV Co., Ltd.
Reverse DNS
124-9-78-220.dynamic.tfn.net.tw
Last scanned 3 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.

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)
124-9-78-220.dynamic.tfn.net.tw
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
86400 s
Reverse DNS last checked
2026-07-19 18:44 UTC
Forward DNS last checked
2026-07-19 18:44 UTC

Forward DNS records for 124-9-78-220.dynamic.tfn.net.tw

TypeValuePriorityTTL
A 124.9.78.220 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 124.9.78.220

CIDR range
124.9.72.0/21
IP range (int)
2,080,983,040 — 2,080,985,087
Prefix length
/21
Organization
San Da Cable TV Co., Ltd.
ASN
AS131611
ASN name
San Da Cable TV Co., Ltd.
Location
Taichung, Taichung City, Taiwan
Coordinates
24.144000, 120.684400
Accuracy radius
10 km
Regional Internet Registry
APNIC
Allocated
2005-11-18
Data source(s)
maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
Last updated
2026-07-11 09:23:10

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

Announced prefix
Origin AS
Announcement samples
16,226
Last seen
2026-07-19 22:07:52

Frequently Asked Questions

Who owns 124.9.78.220?

124.9.78.220 is allocated to San Da Cable TV Co., Ltd. (AS131611), registered in Taichung, Taiwan.

Where is 124.9.78.220 located?

The geolocation for 124.9.78.220 maps to Taichung, Taiwan 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 124.9.78.220 on?

124.9.78.220 belongs to the 124.9.72.0/21 network block announced by AS131611. This range contains 2,048 addresses.

Does 124.9.78.220 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: 2026-07-19 22:12:20 UTC
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