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AS27421
APPLAUSEMA - Applause Announcing routesAS nameAPPLAUSEMA
OrganisationApplause
Registry (RIR)ARIN
HandleAS27421
RangeAS27421
Registered21 Nov 2014
Last changed21 Nov 2014
Abuse contact[email protected]
2IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS7015 | COMCAST-7015 - Comcast Cable Communications, LLC | 146 |
| AS46887 | CROWNCASTLE-AS46887 - Crown Castle Fiber LLC | 59 |
Downstreams
None seen.
IPv4 prefixes (2)
RPKI-validate all prefixes of AS27421
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Applause | AAQ-2 | 100 Pennsylvania Ave, Suite 475, Framingham, MA, 01701, United States | |
| administrative, technical | Matthew T Brennan | MTB5-ARIN | [email protected], +1-774-388-0552 | 100 Pennsylvania Ave, Suite 475, Framingham, MA, 01701, United States |
| technical | Axel Busse | BUSSE48-ARIN | [email protected], +4930577004052 | Obentrautstrasse 72, Berlin, , 10963, Germany |
| technical | Tyler J Riegel | TJR10-ARIN | [email protected], +1-774-388-0553 | 100 Pennsylvania Ave , 5th Floor, Framingham, MA, 01701, United States |
| abuse | Information Security | INFOR196-ARIN | [email protected], +1-508-665-6910 | 100 Pennsylvania Avenue, 5th Floor, Framingham, MA, 01701, United States |
Raw registry response
{
"endAutnum": 27421,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-14T09:34:20-05:00"
},
{
"eventAction": "registration",
"eventDate": "2014-11-12T12:41:03-05:00"
}
],
"handle": "MTB5-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MTB5-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27421"
},
{
"href": "https://whois.arin.net/rest/poc/MTB5-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27421"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "100 Pennsylvania Ave\nSuite 475\nFramingham\nMA\n01701\nUnited States"
},
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],
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},
"text",
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]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-28T07:55:55-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-01-30T10:50:12-05:00"
}
],
"handle": "BUSSE48-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/BUSSE48-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27421"
},
{
"href": "https://whois.arin.net/rest/poc/BUSSE48-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27421"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Obentrautstrasse 72\nBerlin\n\n10963\nGermany"
},
"text",
[
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]
],
[
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"Axel Busse"
],
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[
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]
],
[
"kind",
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],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+4930577004052"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-23T13:58:07-04:00"
},
{
"eventAction": "registration",
"eventDate": "2015-03-27T10:27:28-04:00"
}
],
"handle": "TJR10-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/TJR10-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27421"
},
{
"href": "https://whois.arin.net/rest/poc/TJR10-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27421"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "100 Pennsylvania Ave\r\n5th Floor\nFramingham\nMA\n01701\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Tyler J Riegel"
],
[
"n",
[],
"text",
[
"Riegel",
"Tyler",
"J",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-774-388-0553"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-09-05T12:49:20-04:00"
},
{
"eventAction": "registration",
"eventDate": "2019-08-02T16:23:42-04:00"
}
],
"handle": "INFOR196-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/INFOR196-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27421"
},
{
"href": "https://whois.arin.net/rest/poc/INFOR196-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27421"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"This contact should be used to report network abuse and/or other information security or policy issues. ",
"Emergency Contact (only): +1 508-665-6911"
],
"title": "Registration Comments"
}
],
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "100 Pennsylvania Avenue\n5th Floor\nFramingham\nMA\n01701\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Information Security"
],
[
"org",
[],
"text",
"Applause App Quality, Inc"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-508-665-6910"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-11-14T09:36:58-05:00"
},
{
"eventAction": "registration",
"eventDate": "2014-11-13T11:08:00-05:00"
}
],
"handle": "AAQ-2",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/AAQ-2",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27421"
},
{
"href": "https://whois.arin.net/rest/org/AAQ-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27421"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Applause"
],
[
"adr",
{
"label": "100 Pennsylvania Ave\nSuite 475\nFramingham\nMA\n01701\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2014-11-20T15:00:56-05:00"
},
{
"eventAction": "registration",
"eventDate": "2014-11-20T15:00:56-05:00"
}
],
"handle": "AS27421",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/27421",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/27421"
},
{
"href": "https://whois.arin.net/rest/asn/AS27421",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/27421"
}
],
"name": "APPLAUSEMA",
"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/autnum/27421"
}
],
"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/autnum/27421"
}
],
"title": "Whois Inaccuracy Reporting"
},
{
"description": [
"Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
],
"title": "Copyright Notice"
}
],
"objectClassName": "autnum",
"port43": "whois.arin.net",
"rdapConformance": [
"nro_rdap_profile_0",
"rdap_level_0",
"nro_rdap_profile_asn_flat_0"
],
"startAutnum": 27421,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.