Skip to main content
CIDR
/20 · 4.1K IPs
ASN
Korea Telecom
Reverse DNS
anjun.net
Last scanned 4 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.

91/100
Trusted
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

DNS records

Reverse DNS (PTR)
anjun.net
Forward-confirmed (FCrDNS)
✓ Confirmed
PTR TTL
43200 s
Reverse DNS last checked
2026-10-03 08:56 UTC
Forward DNS last checked
2026-10-03 08:56 UTC

Forward DNS records for anjun.net

TypeValuePriorityTTL
A 183.111.100.209 — 600s
MX aqms.anjun.net 20 —
MX gw.anjun.net 10 —
MX mail.anjun.net 20 —
NS ns.gabia.co.kr — —
NS ns.gabia.net — —
NS ns1.gabia.co.kr — —
TXT v=spf1 ip4:210.126.108.41 ip4:210.126.108.40~all — —
TXT v=spf1 ip4:59.26.125.166 ip4:59.26.125.161 ~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.

Network Allocation for 183.111.100.209

CIDR range
183.111.96.0/20
IP range (int)
3,077,529,600 — 3,077,533,695
Prefix length
/20
Organization
Korea Telecom
ASN
AS4766
ASN name
Korea Telecom
Location
South Korea
Coordinates
37.511200, 126.974100
Accuracy radius
200 km
Regional Internet Registry
APNIC
Allocated
2009-11-04
Data source(s)
maxmind_asn, ipinfo_lite, maxmind_city, maxmind_country
Last updated
2026-09-29 18:55:35

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

Announced prefix
Origin AS
Announcement samples
17,394
Last seen
2026-10-03 09:12:36

Frequently Asked Questions

Who owns 183.111.100.209?

183.111.100.209 is allocated to Korea Telecom (AS4766), registered in South Korea.

Where is 183.111.100.209 located?

The geolocation for 183.111.100.209 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 183.111.100.209 on?

183.111.100.209 belongs to the 183.111.96.0/20 network block announced by AS4766. This range contains 4,096 addresses.

Does 183.111.100.209 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: 2026-10-03 11:38:32 UTC
Share