203.69.36.243
An address in Taipei, Taipei City, Taiwan, announced by Data Communication Business Group (AS3462). Of our anonymity, network and service databases, it is in Carrier IP, SMTP IP, and Web IP.
10 of 24 address-keyed databases hold it
Summary
Geolocation
Where the address is, and what that place uses.
- City
- Taipei
- Region
- Taipei City
- Postal code
- 103
- Country
- Taiwan
- Continent
- Asia
- Coordinates
- 25.0531, 121.5264
- Timezone
- Asia/Taipei
Ownership
Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.
- Company
- Data Communication Business Group
- Domain
- cht.com.tw
- Type
- ISP
- Registered in
- Taiwan
- AS number
- AS3462
- Name
- Data Communication Business Group
- Prefix
- 203.69.0.0/16
- RPKI
- Valid
- Type
- ISP
- Domain
- cht.com.tw
- Registered in
- Taiwan
- Name
- Chunghwa Telecom Data Communication Business Group
- Handle
- HINET-NET
- Status
- ASSIGNED NON-PORTABLE
- Registry
- TWNIC
- Domain
- hinet.net
- Name
- ABUSE HINETTW
- b-noc@cht.com.tw
- Address
- Chunghwa Telecom - International Business Group (CHTI), 5F(R511),
- Network
- 203.69.0.0-203.69.255.255
Anonymity
Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.
Network
What kind of network it is on: a mobile carrier, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- Port
- 587
- Banner
- 220 MAILCU23.cosen.com.tw Microsoft ESMTP MAIL Service ready at Sat, 17 Oct 2026 08:42:27 +0800
- Greeting
- Completed
- First seen
- 2026-07-27
- Last seen
- 2026-10-02
- 80 status
- 200
- 80 server
- Microsoft-IIS/7.5
- 80 title
- IIS7
- 80 seen
- 2026-07-23 to 2026-10-16
- 443 status
- 302
- 443 redirect
- https://203.69.36.243/owa/
- 443 server
- Microsoft-IIS/10.0
- 443 TLS
- TLSv1.2
- 443 certificate
- MAILCU23
- 443 issuer
- CN=MAILCU23
- 443 browser-trusted
- No
- 443 seen
- 2026-07-23 to 2026-10-08
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