Organization
Prefixx, Inc.
PFX-HOST9X
Location
Settimo Milanese
Lombardy, Italy (IT)
Hostname
—
Geolocation
Italy (IT) Italy
- Country
- Italy (IT)
- Region
- Lombardy
- City
- Settimo Milanese
- Continent
- Europe
- Coordinates
- 45.483, 9.0559 View on map ↗
Network Information
IP Range 45.89.50.0 – 45.89.51.255 CIDR 45.89.50.0/23 Network Name PFX-HOST9X Handle NET-45-89-50-0-1 Type ASSIGNMENT Parent Network NET-45-89-48-0-1 Organization Prefixx, Inc. Organization ID PREFI-1 Address 1200 Brickell Ave Ste 1950, Miami, FL, 33131, United States Country United States (US) Registry ARIN Registered On Mar 14, 2026 Last Updated Mar 15, 2026 Status
active
ASN & Routing
Origin AS AS203144 AS Name HS-HOST9X - Host9x Web Solutions Limited, HK Announced Prefix 45.89.51.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 2021-07-21 RPKI Origin Valid (covered by a matching ROA)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
Raw RDAP Response
{
"arin_originas0_originautnums": [],
"cidr0_cidrs": [
{
"v4prefix": "45.89.50.0",
"length": 23
}
],
"endAddress": "45.89.51.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-11T19:58:59-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-12-30T08:11:38-05:00"
}
],
"handle": "ARINS13-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ARINS13-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
},
{
"href": "https://whois.arin.net/rest/poc/ARINS13-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"abuse",
"noc",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1200 Brickell Ave Ste 1950\nMiami\nFL\n33131\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Arin STLS"
],
[
"org",
{},
"text",
"Prefixx, Inc"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-305-209-5007"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-12-25T08:53:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2018-12-31T11:34:32-05:00"
}
],
"handle": "PREFI-1",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/PREFI-1",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
},
{
"href": "https://whois.arin.net/rest/org/PREFI-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Prefixx, Inc."
],
[
"adr",
{
"label": "1200 Brickell Ave Ste 1950\nMiami\nFL\n33131\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-14T13:56:38-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-03-14T13:56:38-04:00"
}
],
"handle": "HAT8-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/HAT8-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
},
{
"href": "https://whois.arin.net/rest/poc/HAT8-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "ROOM 409, BEVERLEY COMMERCIAL CENTRE, 87-105 CHATHAM ROAD SOUTH, TSIM SHA TSUI, KOWLOON, HONG KONG\nKOWLOON\n\n87105\nHong Kong"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Host9X Abuse and Tech"
],
[
"org",
{},
"text",
"Host9x Web Solutions Limited"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+9179009 30002"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-14T21:22:36-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-03-14T13:54:55-04:00"
}
],
"handle": "NET-45-89-50-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/45.89.50.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-45-89-50-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
},
{
"href": "https://rdap.arin.net/registry/ip/45.89.48.0/22",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
}
],
"name": "PFX-HOST9X",
"notices": [
{
"description": [
"By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/tou/",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
}
],
"title": "Terms of Service"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://rdap.arin.net/registry/ip/45.89.51.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-45-89-48-0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"remarks": [
{
"description": [
"Geofeed https://prefixx.net/geofeed.csv"
],
"title": "Registration Comments"
}
],
"startAddress": "45.89.50.0",
"status": [
"active"
],
"type": "ASSIGNMENT"
} Contact details of private individuals are redacted.