Organization
MasterCard Technologies LLC
ATT-NET-12-10-32-0
Location
O'Fallon
Missouri, United States (US)
Hostname
—
Geolocation
United States (US) United States
- Country
- United States (US)
- Region
- Missouri
- City
- O'Fallon
- Continent
- North America
- Coordinates
- 38.7467, -90.7461 View on map ↗
Network Information
IP Range 12.10.32.0 – 12.10.33.255 CIDR 12.10.32.0/23 Network Name ATT-NET-12-10-32-0 Handle NET-12-10-32-0-1 Type ASSIGNMENT Parent Network NET-12-0-0-0-1 Organization MasterCard Technologies LLC Organization ID MASTER-7 Address 2200 MasterCard Blvd, O'Fallon, MO, 63368, United States Country United States (US) Registry ARIN Registered On Oct 14, 2024 Last Updated Oct 14, 2024 Status
active
ASN & Routing
Origin AS AS26380 AS Name MASTER-7-AS - MasterCard Technologies LLC, US Announced Prefix 12.10.32.0/24 AS Registry ARIN Prefix Country United States (US) Allocated 1983-08-23 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": "12.10.32.0",
"length": 23
}
],
"endAddress": "12.10.33.255",
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-07T12:11:44-04:00"
},
{
"eventAction": "registration",
"eventDate": "2016-09-23T15:55:03-04:00"
}
],
"handle": "NACHE-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NACHE-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
},
{
"href": "https://whois.arin.net/rest/poc/NACHE-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-06-12T10:11:48-04:00"
},
{
"eventAction": "registration",
"eventDate": "2021-11-19T12:56:57-05:00"
}
],
"handle": "ABRAM96-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABRAM96-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
},
{
"href": "https://whois.arin.net/rest/poc/ABRAM96-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2013-12-11T16:48:26-05:00"
},
{
"eventAction": "registration",
"eventDate": "2003-11-21T13:36:46-05:00"
}
],
"handle": "NCC18-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NCC18-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
},
{
"href": "https://whois.arin.net/rest/poc/NCC18-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2014-12-11"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse",
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "2200 MasterCard Blvd\nO'Fallon\nMO\n63366\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Command Center"
],
[
"org",
{},
"text",
"MasterCard International"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-636-722-6220"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-11-25T11:09:46-05:00"
},
{
"eventAction": "registration",
"eventDate": "1997-11-27T00:00:00-05:00"
}
],
"handle": "MASTER-7",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MASTER-7",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
},
{
"href": "https://whois.arin.net/rest/org/MASTER-7",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"MasterCard Technologies LLC"
],
[
"adr",
{
"label": "2200 MasterCard Blvd\nO'Fallon\nMO\n63368\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-10-14T16:24:40-04:00"
},
{
"eventAction": "registration",
"eventDate": "2024-10-14T16:24:40-04:00"
}
],
"handle": "NET-12-10-32-0-1",
"ipVersion": "v4",
"links": [
{
"href": "https://rdap.arin.net/registry/ip/12.10.32.0",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
},
{
"href": "https://whois.arin.net/rest/net/NET-12-10-32-0-1",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
},
{
"href": "https://rdap.arin.net/registry/ip/12.0.0.0/8",
"rel": "up",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/ip/12.10.32.0"
}
],
"name": "ATT-NET-12-10-32-0",
"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/12.10.32.0"
}
],
"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/12.10.32.0"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "ip network",
"parentHandle": "NET-12-0-0-0-1",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"cidr0",
"arin_originas0"
],
"startAddress": "12.10.32.0",
"status": [
"active"
],
"type": "ASSIGNMENT"
} Contact details of private individuals are redacted.