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AS51265
MASSRESPONSE-AS Mass Response Service GmbH Announcing routesAS nameMASSRESPONSE-AS
OrganisationMASSRESPONSE-MNT
Registry (RIR)RIPE NCC
HandleAS51265
RangeAS51265
Registered06 Jul 2010
Last changed22 Jun 2026
Abuse contact[email protected]
28IPv4 prefixes
3IPv6 prefixes
40Upstreams
1Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS5405 | INTERDOTLINK Inter.link GmbH | 421 |
| AS8220 | COLT COLT Technology Services Group Limited | 370 |
| AS216265 | ARISTO-NET ARISTO NETWORKS LTD | 337 |
| AS1764 | NEXTLAYER-AS Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH | 298 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 152 |
| AS22356 | AS22356 - Durand do Brasil Ltda | 8 |
| AS15576 | NTS NTS workspace AG | 6 |
| AS8218 | NEO-ASN Zayo Infrastructure France SA | 6 |
| AS25091 | IP-Max IP-Max SA | 5 |
| AS50629 | LWLCOM LWLcom GmbH | 5 |
| AS1121 | VIX-RS - IDDQD-AS | 3 |
| AS34549 | MEER-AS meerfarbig GmbH & Co. KG | 3 |
| AS35280 | F5 F5 Networks SARL | 3 |
| AS37468 | Angola Cables - Angola Cables | 3 |
| AS50304 | BLIX Blix Solutions AS | 3 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS33992 | MASSRESPONSE-AS2 Mass Response Service GmbH | 236 |
IPv4 prefixes (28)
83.216.32.0/2062.240.134.0/24185.69.244.0/22197.211.128.0/1862.240.144.0/2162.240.128.0/1983.216.32.0/1962.240.135.0/2462.240.128.0/2262.240.136.0/21197.211.186.0/2462.240.137.0/24193.9.253.0/24178.157.4.0/22193.9.252.0/2462.240.152.0/2183.216.60.0/22193.9.252.0/2362.240.136.0/24197.211.189.0/2462.240.132.0/2383.216.48.0/2083.216.48.0/21185.44.52.0/22176.126.39.0/24197.211.185.0/2441.66.64.0/1862.240.140.0/22
IPv6 prefixes (3)
RPKI-validate all prefixes of AS51265
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| administrative | Franz Pichler | FP1060-RIPE | +43 1 2702825 | Mass Response Service GmbH, DC Tower, Donau-City-Straße 7, 1220 Vienna, AT |
| technical | Florian Parnigoni | FP1470-RIPE | +43 1 2702825 | Mass Response Service GmbH, DC Tower, Donau-City-Straße 7, 1220 Vienna, AT |
| registrant | MASSRESPONSE-MNT | MASSRESPONSE-MNT | ||
| technical | Markus Windsor | MW5116-RIPE | +43 1 270 28 25 | Mass Response Service GmbH, DC Tower, Donau-City-Straße 7, 1220 Vienna, AT |
| registrant | Mass Response Service GmbH | ORG-MRSG2-RIPE | +4312702825 | Donau-City-Straße 7, DC Tower 1, 45 Stock, 1220, Vienna, AUSTRIA |
| registrant | RIPE-NCC-END-MNT | RIPE-NCC-END-MNT | ||
| abuse | Mass Response abuse handling | MR17726-RIPE | [email protected], +43 1 2702825 | Mass Response Service GmbH, DC Tower, Donau-City-Straße 7, 1220 Vienna, AT |
| registrant | MASSRESPONSE-MNT | MASSRESPONSE-MNT |
Raw registry response
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"",
"======================================================================",
"https://www.massresponse.com/",
"Abuse issues [email protected]",
"Operational issues [email protected]",
"Peering requests [email protected]",
"Other info https://www.peeringdb.com/net/12246",
"",
"======================================================================",
"Upstreams",
"Colt",
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"ACOnet",
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"Twitch",
"Trusted Network",
"OVHcloud",
"Microsoft",
"Hurricane Electric",
"Meta Platforms Inc",
"Valve Corporation",
"Amazon.com",
"SuperNetwork s.r.o.",
"i3D.net",
"Private Peering",
"Netflix",
"Google LLC",
"Akamai Technologies, Inc"
]
}
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},
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},
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"type": "application/rdap+json"
},
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},
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"type": "application/rdap+json"
},
{
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"type": "application/rdap+json"
},
{
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"type": "application/rdap+json"
},
{
"value": "http://www.ripe.net/data-tools/support/documentation/terms",
"rel": "copyright",
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}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2010-07-06T12:09:17Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-06-22T09:16:13Z"
}
],
"rdapConformance": [
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"rirSearch1",
"autnums",
"cidr0",
"rdap_level_0",
"nro_rdap_profile_0",
"redacted"
],
"notices": [
{
"title": "Filtered",
"description": [
"This output has been filtered."
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit:"
],
"links": [
{
"value": "https://rdap.db.ripe.net/autnum/51265",
"rel": "inaccuracy-report",
"href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
"type": "text/html"
}
]
},
{
"title": "Source",
"description": [
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"RIPE"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the RIPE Database query service. The objects are in RDAP format."
],
"links": [
{
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}
]
}
],
"port43": "whois.ripe.net",
"objectClassName": "autnum",
"redacted": [
{
"name": {
"description": "Personal e-mail information"
},
"reason": {
"description": "Personal data"
},
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"method": "removal"
},
{
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},
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{
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{
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"reason": {
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},
{
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}
]
}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.