220.128.105.99
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
- Forward-confirmed reverse DNS (FCrDNS) +10
- Long-established allocation (23y) +6
- Not on any threat blocklist +5
- Enterprise allocation +4
- Trust score 90 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- mail.prefas.com
- Forward-confirmed (FCrDNS)
- ✓ Confirmed
- PTR TTL
- 86400 s
- Reverse DNS last checked
- 2026-10-27 23:05 UTC
- Forward DNS last checked
- 2026-10-27 23:05 UTC
Forward DNS records for mail.prefas.com
| Type | Value | Priority | TTL |
|---|---|---|---|
| A | 220.128.105.99 | — | 172800s |
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Domains hosted
as of 2026-10-25 UTC2
Registrable domains (like example.com) with at least one name resolving to this IP — updated daily from issued.live's DNS data.
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.prefas.com — Oct 26, 2026 → present
- mail.cheeshin.com.tw — Oct 25, 2026 → Oct 26, 2026
- mail.hychi.com.tw — Oct 24, 2026 → Oct 25, 2026
- mail.prefas.com — Oct 24, 2026 → Oct 24, 2026
- mail.jwcst.com.tw — Oct 23, 2026 → Oct 24, 2026
- mail.hychi.com.tw — Oct 22, 2026 → Oct 23, 2026
- mail.jwcst.com.tw — Oct 22, 2026 → Oct 22, 2026
- mail.prefas.com — Oct 21, 2026 → Oct 22, 2026
- mail.hychi.com.tw — Oct 20, 2026 → Oct 21, 2026
- mail.jwcst.com.tw — Oct 17, 2026 → Oct 20, 2026
- mail.prefas.com — Oct 17, 2026 → Oct 17, 2026
- mail.miracletouch.com.tw — Oct 16, 2026 → Oct 17, 2026
- mail.jwcst.com.tw — Oct 16, 2026 → Oct 16, 2026
- mail.cheeshin.com.tw — Oct 15, 2026 → Oct 16, 2026
- mail.jwcst.com.tw — Oct 15, 2026 → Oct 15, 2026
- mail.miracletouch.com.tw — Oct 14, 2026 → Oct 15, 2026
- mail.hychi.com.tw — Oct 14, 2026 → Oct 14, 2026
- mail.miracletouch.com.tw — Oct 13, 2026 → Oct 14, 2026
- mail.jwcst.com.tw — Oct 13, 2026 → Oct 13, 2026
- mail.prefas.com — Oct 12, 2026 → Oct 13, 2026
- mail.miracletouch.com.tw — Oct 12, 2026 → Oct 12, 2026
- mail.prefas.com — Oct 11, 2026 → Oct 12, 2026
- mail.miracletouch.com.tw — Oct 11, 2026 → Oct 11, 2026
- mail.jwcst.com.tw — Oct 10, 2026 → Oct 11, 2026
- mail.hychi.com.tw — Oct 9, 2026 → Oct 10, 2026
- mail.jwcst.com.tw — Oct 8, 2026 → Oct 9, 2026
- mail.cheeshin.com.tw — Oct 7, 2026 → Oct 8, 2026
- mail.jwcst.com.tw — Oct 7, 2026 → Oct 7, 2026
- mail.hychi.com.tw — Oct 6, 2026 → Oct 7, 2026
- mail.cheeshin.com.tw — Oct 5, 2026 → Oct 6, 2026
- mail.hychi.com.tw — Oct 4, 2026 → Oct 5, 2026
- mail.prefas.com — Oct 4, 2026 → Oct 4, 2026
- mail.cheeshin.com.tw — Oct 3, 2026 → Oct 4, 2026
- mail.hychi.com.tw — Oct 3, 2026 → Oct 3, 2026
- mail.cheeshin.com.tw — Oct 2, 2026 → Oct 3, 2026
- mail.prefas.com — Oct 1, 2026 → Oct 2, 2026
- mail.jwcst.com.tw — Oct 1, 2026 → Oct 1, 2026
- mail.cheeshin.com.tw — Sep 30, 2026 → Oct 1, 2026
- mail.hychi.com.tw — Sep 30, 2026 → Sep 30, 2026
- mail.prefas.com — Sep 29, 2026 → Sep 30, 2026
- mail.miracletouch.com.tw — Sep 29, 2026 → Sep 29, 2026
- mail.cheeshin.com.tw — Sep 28, 2026 → Sep 29, 2026
- mail.miracletouch.com.tw — Aug 24, 2026 → Sep 28, 2026
- mail.cheeshin.com.tw — Aug 18, 2026 → Aug 24, 2026
- mail.jwcst.com.tw — Jul 5, 2026 → Aug 18, 2026
- mail.prefas.com — Jul 1, 2026 → Jul 5, 2026
- mail.miracletouch.com.tw — Jun 27, 2026 → Jul 1, 2026
- mail.prefas.com — Jun 23, 2026 → Jun 27, 2026
- mail.miracletouch.com.tw — Jun 14, 2026 → Jun 23, 2026
Network Allocation for 220.128.105.99
- CIDR range
- 220.128.96.0/20
- IP range (int)
- 3,699,400,704 — 3,699,404,799
- Prefix length
- /20
- Organization
- Data Communication Business Group
- ASN
- AS3462
- ASN name
- Data Communication Business Group
- Location
- Sanxia District, New Taipei City, Taiwan
- Coordinates
- 24.933700, 121.372000
- Accuracy radius
- 20 km
- Regional Internet Registry
- APNIC
- Allocated
- 2003-06-09
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-10-27 04:11:08
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 | — | TW |
See the full history for 220.128.0.0/12.
Frequently Asked Questions
Who owns 220.128.105.99?
220.128.105.99 is allocated to Data Communication Business Group (AS3462), registered in Sanxia District, Taiwan.
Where is 220.128.105.99 located?
The geolocation for 220.128.105.99 maps to Sanxia District, 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 220.128.105.99 on?
220.128.105.99 belongs to the 220.128.96.0/20 network block announced by AS3462. This range contains 4,096 addresses.
Does 220.128.105.99 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.