220.90.201.154
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.
- Baseline (neutral) 65
- Long-established allocation (24y) +6
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Isp allocation +5
- Trust score 86 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mail.eauos.org
- Forward-confirmed (FCrDNS)
- ✗ Mismatch
- PTR TTL
- 21600 s
- Reverse DNS last checked
- 2026-10-07 07:20 UTC
- Forward DNS last checked
- 2026-10-07 07:20 UTC
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-04 UTC2
Registrable domains (like example.com) with at least one name resolving to this IP — counted once a week from issued.live's DNS snapshot.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
This IP's reverse DNS changes frequently — the timeline below shows the most recent changes.
- mail.eauos.org — Oct 7, 2026 → present
- mail.kuromis.or.kr — Oct 5, 2026 → Oct 7, 2026
- mail.kagp2018.org — Oct 3, 2026 → Oct 5, 2026
- mail.endourology.or.kr — Oct 2, 2026 → Oct 3, 2026
- mail.kuromis.or.kr — Sep 29, 2026 → Oct 2, 2026
- mail.kimtec.or.kr — Sep 28, 2026 → Sep 29, 2026
- mail.miret.or.kr — Sep 27, 2026 → Sep 28, 2026
- mail.eauos.org — Sep 26, 2026 → Sep 27, 2026
- mail.icola.org — Sep 26, 2026 → Sep 26, 2026
- mail.apwa2019.com — Aug 24, 2026 → Sep 26, 2026
- mail.kagp2018.org — Aug 24, 2026 → Aug 24, 2026
- mail.3darchive.org — Aug 19, 2026 → Aug 24, 2026
- iloveweb.kr — Aug 18, 2026 → Aug 19, 2026
- mail.ks-ta.or.kr — Aug 17, 2026 → Aug 18, 2026
- mail.3darchive.org — Jul 7, 2026 → Aug 17, 2026
- mail.kcsf.co.kr — Jul 3, 2026 → Jul 7, 2026
- mail.kaicn.org — Jun 23, 2026 → Jul 3, 2026
- mail.kcsf.co.kr — Jun 20, 2026 → Jun 23, 2026
- mail.kshno.or.kr — Jun 8, 2026 → Jun 20, 2026
Network Allocation for 220.90.201.154
- CIDR range
- 220.90.200.0/21
- IP range (int)
- 3,696,936,960 — 3,696,939,007
- Prefix length
- /21
- Organization
- Korea Telecom
- ASN
- AS4766
- ASN name
- Korea Telecom
- Location
- Boryeong, Chungcheongnam Do, South Korea
- Coordinates
- 36.352000, 126.602300
- Accuracy radius
- 50 km
- Postal code
- 334
- Regional Internet Registry
- APNIC
- Allocated
- 2002-08-29
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-10-10 05:27:22
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
RIR Ownership History
Atom feed ⇲Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours, for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | KR |
See the full history for 220.64.0.0/11.
Frequently Asked Questions
Who owns 220.90.201.154?
220.90.201.154 is allocated to Korea Telecom (AS4766), registered in Boryeong, South Korea.
Where is 220.90.201.154 located?
The geolocation for 220.90.201.154 maps to Boryeong, 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 220.90.201.154 on?
220.90.201.154 belongs to the 220.90.200.0/21 network block announced by AS4766. This range contains 2,048 addresses.
Does 220.90.201.154 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.
