175.159.0.45
Education
Data retrieved at
Network
ASN
IP Range
Company
The Hong Kong Polytechnic University
Hostname
Not available.
AS Domain
polyu.edu.hk
Using host.io for pre-visualize domains.
Type
Education
Handle
175.159.0.0 - 175.159.31.255
Registered
2011-07-15
Last Changed
2021-05-12
View raw RDAP
{
"rdapConformance": [
"history_version_0",
"nro_rdap_profile_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
"title": "Source",
"description": [
"Objects returned came from source",
"APNIC"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.apnic.net/ip/175.159.0.45",
"rel": "terms-of-service",
"href": "http://www.apnic.net/db/dbcopyright.html",
"type": "text/html"
}
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"value": "https://rdap.apnic.net/ip/175.159.0.45",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "HK",
"name": "POLYU-HK",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2011-07-15T08:12:41Z"
},
{
"eventAction": "last changed",
"eventDate": "2021-05-12T03:11:50Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/175.159.0.45",
"rel": "self",
"href": "https://rdap.apnic.net/ip/175.159.0.0/19",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"The Hong Kong Polytechnic University",
"Hung Hom",
"Kowloon",
"Hong Kong"
],
"title": "description"
},
{
"description": [
"-+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-",
"Please send abuse reports to [email protected]",
"-+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-"
],
"title": "remarks"
}
],
"entities": [
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2010-12-20T11:39:41Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-07-02T01:34:54Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/175.159.0.45",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-JUCC-HK",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] was validated on 2026-07-02"
],
"title": "remarks"
}
],
"handle": "IRT-JUCC-HK",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"IRT-JUCC-HK"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Joint Universities Computer Centre\nc/o Information Technology Services\nThe University of Hong Kong\nPokfulam Road"
},
"text",
[
"",
"",
"",
"",
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"",
""
]
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-05-24T10:33:42Z"
},
{
"eventAction": "last changed",
"eventDate": "2017-05-24T10:46:01Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/175.159.0.45",
"rel": "self",
"href": "https://rdap.apnic.net/entity/PNA21-AP",
"type": "application/rdap+json"
}
],
"handle": "PNA21-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"PolyU noc Admin"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Information Technology Services Office\nThe Hong Kong Polytechnic University\nHung Hom, Kowloon, Hong Kong"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+852.2766.4566"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"technical"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-05-24T10:36:31Z"
},
{
"eventAction": "last changed",
"eventDate": "2017-05-24T10:47:15Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/ip/175.159.0.45",
"rel": "self",
"href": "https://rdap.apnic.net/entity/PNTS1-AP",
"type": "application/rdap+json"
}
],
"handle": "PNTS1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"PolyU noc Technical Support"
],
[
"kind",
{},
"text",
"group"
],
[
"adr",
{
"label": "Information Technology Services Office\nThe Hong Kong Polytechnic University\nHung Hom, Kowloon, Hong Kong"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+852.2766.4566"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"handle": "175.159.0.0 - 175.159.31.255",
"type": "ASSIGNED NON-PORTABLE",
"startAddress": "175.159.0.0",
"endAddress": "175.159.31.255",
"objectClassName": "ip network",
"ipVersion": "v4",
"cidr0_cidrs": [
{
"v4prefix": "175.159.0.0",
"length": 19
}
],
"port43": "whois.apnic.net"
}
Security
No security threats detected for this IP.
VPN
Proxy
Tor
Hosting
Residential Proxy
Bogon
Abuser
Crawler
RPKI
RPKI Origin Validation
RPKI verifies that an IP prefix is legitimately announced by the authorized Autonomous System (ASN) using Route Origin Authorizations (ROAs).
Unknown.
No valid ROA was found for this prefix.
UNKNOWN
Validated Prefix
175.159.0.0/19
Authorized ASN
Not available.
Abuse Contacts
IP Geolocation
Country
Hong Kong
Time Zone
Asia/Hong_Kong
Coordinates
22.2578, 114.1657
Continent
Asia
European Union
No.
Phone prefix
+852
Currency
Hong Kong Dollar (HKD $)