Skip to main content
IPv4 Address

121.78.237.93

Within
121.78.0.0/16
CIDR
/21 · 2.0K IPs
ASN
KINX
Reverse DNS
mail2.linknow.kr
Last scanned 5 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.

85/100
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)
mail2.linknow.kr
Forward-confirmed (FCrDNS)
Not checked
PTR TTL
3600 s
Reverse DNS last checked
2026-09-10 12:35 UTC
Forward DNS last checked
2026-09-10 12:35 UTC

Forward DNS records for mail2.linknow.kr

TypeValuePriorityTTL
A 104.247.81.99 172800s
NS ns1.parkingcrew.net
NS ns2.parkingcrew.net
CAA issue 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.

Network Allocation for 121.78.237.93

CIDR range
121.78.232.0/21
IP range (int)
2,035,214,336 — 2,035,216,383
Prefix length
/21
Organization
KINX
ASN
AS9286
ASN name
KINX
Location
South Korea
Coordinates
37.511200, 126.974100
Accuracy radius
200 km
Regional Internet Registry
APNIC
Allocated
2006-06-20
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-07-07 00:22:00

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

Announced prefix
Origin AS
Announcement samples
14,365
Last seen
2026-09-10 17:53:04

Frequently Asked Questions

Who owns 121.78.237.93?

121.78.237.93 is allocated to KINX (AS9286), registered in South Korea.

Where is 121.78.237.93 located?

The geolocation for 121.78.237.93 maps to South Korea 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 121.78.237.93 on?

121.78.237.93 belongs to the 121.78.232.0/21 network block announced by AS9286. This range contains 2,048 addresses.

Does 121.78.237.93 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: 2026-09-10 18:04:32 UTC
Share