211.75.165.1
An address in Taipei, Taipei City, Taiwan, announced by Data Communication Business Group (AS3462). It's a VPN exit, mobile carrier space of Chunghwa, a mail server on port 587, a DNS server on port 53, and a web server on ports 80 and 443.
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
- 211.75.0.0/16
- RPKI
- Valid
- Type
- ISP
- Domain
- cht.com.tw
- Registered in
- Taiwan
- Name
- Chunghwa Telecom Data Communication Business Group
- Network name
- HINET-NET
- Status
- ASSIGNED NON-PORTABLE
- Registry
- TWNIC
- Domain
- hinet.net
- abuse@hinet.net
- Address
- Data Communication Business Group,, Chunghwa Telecom Co.,Ltd., No.21, Sec.1, Xinyi Rd., Taipei City, 10048, Taiwan
- Network
- 211.75.128.0-211.75.255.255
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, a satellite operator, an anycast service, a CDN edge.
Services
What our own internet-wide measurement found listening on it.
- Port
- 587
- Banner
- 220 mail.hcid.com.tw ESMTP Postfix
- Greeting
- Completed
- First seen
- 2026-07-28
- Last seen
- 2026-10-08
- Port
- 53
- Recursion
- Refused
- Response code
- 5
- Answer
- Wrong
- First seen
- 2026-08-03
- Last seen
- 2026-10-21
- 80 status
- 200
- 80 server
- nginx
- 80 title
- Hello! Welcome to Synology Web Station!
- 80 seen
- 2026-07-31 to 2026-10-22
- 443 status
- 200
- 443 server
- nginx
- 443 title
- Hello! Welcome to Synology Web Station!
- 443 TLS
- TLSv1.3
- 443 certificate
- synology · Synology Inc.
- 443 issuer
- C=TW, L=Taipel, O=Synology Inc., CN=Synology Inc. CA
- 443 browser-trusted
- No
- 443 seen
- 2026-07-30 to 2026-10-19
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