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InternetData
IPv4 address

221.121.7.1

An address in Ho Chi Minh City, Vietnam, announced by Sai gon Postel Corporation (AS7602). It's a web server on port 443.

Summary

No VPN, Tor, relay, proxy or hosting

No mobile carrier, anycast or CDN

  • WebPort 443

Geolocation

Where the address is, and what that place uses.

City
Ho Chi Minh City
Region
Ho Chi Minh City (HCMC)
Postal code
70000
Country
Vietnam
Continent
Asia
Timezone
Asia/Ho_Chi_Minh

Ownership

Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.

Company
Sai gon Postel Corporation
Domain
spt.vn
Type
ISP
Registered in
Vietnam
AS number
AS7602
Name
Sai gon Postel Corporation
RPKI
Valid
Type
ISP
Domain
spt.vn
Registered in
Vietnam
Name
Dai IP su dung cho mang khach hang xDSL
Network name
POPCanTho-NET
Status
ALLOCATED NON-PORTABLE
Registry
APNIC
Domain
vnnic.vn
Name
Saigon Postel Corporation
Address
10 Co Giang, Cau Ong Lanh Ward, District 1, Ho Chi Minh City, Vietnam
Network
221.121.7.0-221.121.7.255
Not seen inIP RWHOISIP RDNS

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.

443 status
401
443 server
nginx/1.7.10
443 title
401 Authorization Required
443 TLS
TLSv1.2
443 certificate
nxos · Cisco Systems Inc.
443 issuer
C=US, ST=CA, L=San Jose, O=Cisco Systems Inc., OU=dcnxos, CN=nxos
443 browser-trusted
No
443 seen
2026-10-02 to 2026-10-23
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