AS Number
AS51265
AS Name
MASSRESPONSE-AS
Org Name
Mass Response Service GmbH
Country
Austria
Registry

ripe

RegDate

N/A

Updated

2025-10-03T11:11:57Z

AS51265 Looking Glass
IPv4Prefixes

17

IPv6Prefixes

1

IPv4 NUMs

52,992

IPv6 NUMs(/64)

34,359,738,368

52,992 IPv4 Addresses
CIDR Description IP Num
41.66.64.0/18 BCSNET-20091215 BCSNet 16384
62.240.128.0/19 Mass Response Service GmbH 8192
62.240.136.0/24 Mass Response Service GmbH 256
62.240.137.0/24 Mass Response Service GmbH 256
83.216.32.0/20 MASSRESPONSE-AT 4096
83.216.32.0/19 Mass Response Service GmbH 8192
83.216.48.0/21 MASSRESPONSE-GB 2048
83.216.48.0/20 MASSRESPONSE-GB 4096
176.126.39.0/24 Mass Response Service GmbH 256
178.157.4.0/22 Mass Response Service GmbH 1024
185.44.52.0/22 Mass Response Service GmbH 1024
185.69.244.0/22 Mass Response Service GmbH 1024
193.9.252.0/24 Mass Response Service GmbH 256
193.9.252.0/23 Mass Response Service GmbH 512
193.9.253.0/24 Mass Response Service GmbH 256
197.211.128.0/24 AT-MASSRESPONSE Mass Response Service GmbH 256
197.211.128.0/18 BCSIPV4NET16 BCS Group (BCSNet) 16384
CIDR Description IP NUMs(prefix /64)
2a04:9540::/29 Mass Response Service GmbH 34359738368
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2,048 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS6720 MAGWIEN - Magistrat der Stadt Wien, Magistratsabteilung 01, AT Austria 69,632 327,680 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 53,248 81,604,378,624 IPv4 IPv4
AS47147 AS-ANX - ANEXIA Internetdienstleistungs GmbH, AT Austria 1,536 131,072 IPv4 IPv4 IPv6 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS40994 Alwyzon - Hohl IT e.U., AT Austria 4,608 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268,435,456 IPv4 IPv4
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,880 107,374,182,400 IPv4 IPv4
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 368,896 38,654,705,664 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 240,022 42,986,897,408 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4
AS12552 IPO-EU - GlobalConnect AB, SE Sweden 562,688 210,454,249,472 IPv4 IPv4
AS14840 BR.Digital Provider, BR Brazil 70,912 18,288,410,624 IPv4 IPv4
AS35369 LINZAG-TELEKOM-AS - LINZ STROM GAS WAERME GmbH fuer Energiedienstleistungen und Telekommunikation, AT Austria 38,400 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13,312 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,215,232 IPv4 IPv4 IPv6 IPv6
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,187,776 17,600,776,044,544 IPv4 IPv4
AS8714 LINX-ROUTESRV - London Internet Exchange Ltd., GB United Kingdom 0 0 IPv4 IPv4
AS33992 MASSRESPONSE-AS2 - Mass Response Service GmbH, AT Austria 0 34,359,738,368 IPv4 IPv4
AS6939 HURRICANE - Hurricane Electric LLC, US United States 464,384 282,627,370,778,624 IPv4 IPv4
AS22356 Durand do Brasil Ltda, BR Brazil 28,672 4,294,967,296 IPv4 IPv4
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 17,179,869,184 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4
AS200970 RIEPERT - Riepert Informationstechnologie GmbH, AT Austria 2,048 34,359,738,368 IPv4 IPv4
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 85,760 274,878,169,088 IPv4 IPv4 IPv6 IPv6
AS7713 telkomnet-as-ap - Telekomunikasi Indonesia (PT), ID Indonesia 4,280,320 12,885,032,960 IPv4 IPv4
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4
AS31510 IKB-AS - Innsbrucker Kommunalbetriebe AG, AT Austria 27,904 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 106,240 355,679,404,032 IPv4 IPv4 IPv6 IPv6
AS60068 CDN77 - Datacamp Limited, GB United Kingdom 113,920 1,157,890,048 IPv4 IPv4
AS9002 RETN-AS - RETN Limited, GB United Kingdom 37,632 4,294,967,296 IPv6 IPv6
AS8529 OMANTEL-AS - Zain Omantel International FZ-LLC, AE United Arab Emirates 13,312 34,360,328,192 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS47692 NESSUS - Nessus GmbH, AT Austria 37,120 34,359,869,440 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 98,816 77,386,809,344 IPv4 IPv4
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,496,320 25,770,786,816 IPv4 IPv4 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35,840 107,374,182,400 IPv4 IPv4
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 1,280 4,294,967,296 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS62275 NHM - NHM - S.R.L., IT Italy 5,376 171,798,691,840 IPv4 IPv4
AS263444 Open X Tecnologia Ltda, BR Brazil 2,304 4,294,967,296 IPv4 IPv4
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,592 4,294,967,296 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 43,520 17,179,869,184 IPv4 IPv4
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 9,984 4,331,667,456 IPv4 IPv4
AS61573 Ip Telecom BR, BR Brazil 1,024 4,294,967,296 IPv4 IPv4
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 54,528 6,442,450,944 IPv4 IPv4 IPv6 IPv6
AS33891 CORE-BACKBONE - Core-Backbone GmbH, DE Germany 0 0 IPv4 IPv4
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 10,496 42,949,672,960 IPv4 IPv4
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4
AS7195 EDGEUNO S.A.S, CO Colombia 31,232 4,275,240,960 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 23,552 8,589,934,592 IPv4 IPv4
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12,800 4,295,032,832 IPv4 IPv4
AS4455 BSO - IX Reach Ltd, GB United Kingdom 56,832 12,884,967,424 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS33992 MASSRESPONSE-AS2 - Mass Response Service GmbH, AT Austria 0 34,359,738,368 IPv4 IPv4 IPv6 IPv6

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
United Kingdom LINX LON1 - London Internet Exchange Ltd. 195.66.225.126 2001:7f8:4::c841:1 10 Gbps 2022-05-25 08:30:09
Austria VIX - Vienna Internet Exchange 193.203.0.223 2001:7f8:30:0:3:1:5:1265 100 Gbps 2025-01-13 16:25:28
Czech Peering.cz - Peering.cz eXchange 185.0.20.89 2001:7f8:7f::89 100 Gbps 2023-03-07 13:44:02

Private Peering Facilities

Country/Region Name City Website Updated
Digital Realty Frankfurt FRA1-16 Frankfurt https://www.digitalrealty.com/data-centers/frankfurt/gip-park-area-frankfurt-am-main-germany-1 2017-01-10 07:40:21
Digital Realty Vienna VIE1-2 Vienna https://www.interxion.com/ 2017-01-10 07:40:35
Digital Realty Dusseldorf DUS1-2 Düsseldorf https://www.digitalrealty.com/data-centers/dusseldorf/in-der-steele-25-27a-dusseldorf-germany 2017-01-10 07:40:41
NTT Vienna1 Data Center (VIE1) Vienna https://datacenter.hello.global.ntt/en/location/vienna/vienna-1-data-center 2019-04-11 08:49:56
Retelit Avalon 1 Milan https://avaloncampus.it/en/avalon1/ 2022-11-01 03:36:42
Digital Realty (ROM0) Rome https://www.digitalrealty.com/ 2019-11-13 12:45:16
Equinix LD5 - London, Slough Slough http://www.equinix.com 2022-02-25 08:57:47
Telehouse - London (Docklands North) London http://www.telehouse.net 2022-02-25 08:58:22
Equinix ZH2 - Zurich Zurich https://www.equinix.com/locations/switzerland-colocation/zurich-data-centers/zh2/ 2023-07-04 12:49:56
Digital Realty Zurich ZUR1 Glattbrugg https://www.digitalrealty.com/data-centers/zurich/sagereistrasse-35-glattbrugg-zurich-switzerland 2023-07-04 12:51:49
Raiffeisen Rechenzentrum (Raaba) Raaba-Grambach https://www.rrz.co.at/services/housing/ 2024-10-02 09:59:36
as-block:       AS50893 - AS51311
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2024-12-10T14:54:30Z
last-modified:  2024-12-10T14:54:30Z
source:         RIPE



aut-num:        AS51265
as-name:        MASSRESPONSE-AS
org:            ORG-MRSG2-RIPE
descr:          Mass Response Service GmbH
descr:          DC Tower 1, 38. Stock
descr:          Donau-City-Straße 7, 1220 Wien
descr:
descr:          ======================================================================
descr:          https://www.massresponse.com/
descr:          Abuse issues abuse@massresponse.com
descr:          Operational issues noc@massresponse.com
descr:          Peering requests noc@massresponse.com
descr:          Other info https://www.peeringdb.com/net/12246
descr:          ======================================================================
remarks:
remarks:        ======================================================================
remarks:        Upstreams
remarks:
remarks:        Colt
import:         from AS8220 action pref=100; accept ANY
export:         to AS8220 announce AS-MRS
mp-import:      afi ipv6.unicast from AS8220 accept ANY
mp-export:      afi ipv6.unicast to AS8220 announce AS51265
remarks:
remarks:        Next Layer
import:         from AS1764 action pref=100; accept ANY
export:         to AS1764 announce AS-MRS
mp-import:      afi ipv6.unicast from AS1764 accept ANY
mp-export:      afi ipv6.unicast to AS1764 announce AS51265
remarks:
remarks:        Hutchison Drei
import:         from AS8437 action pref=100; accept ANY
export:         to AS8437 announce AS-MRS
mp-import:      afi ipv6.unicast from AS8437 accept ANY
mp-export:      afi ipv6.unicast to AS8437 announce AS51265
remarks:        ======================================================================
remarks:
remarks:        ======================================================================
remarks:        IXP
remarks:
remarks:        Peering.cz
import:         from AS61195 action pref=100; accept ANY
export:         to AS61195 announce AS-MRS
mp-import:      afi ipv6.unicast from AS61195 accept ANY
mp-export:      afi ipv6.unicast to AS61195 announce AS51265
remarks:
remarks:        VIX
import:         from AS1121 action pref=100; accept ANY
export:         to AS1121 announce AS-MRS
mp-import:      afi ipv6.unicast from AS1121 accept ANY
mp-export:      afi ipv6.unicast to AS1121 announce AS51265
remarks:
remarks:        LINX (LON1)
import:         from AS8714 action pref=100; accept ANY
export:         to AS8714 announce AS-MRS
mp-import:      afi ipv6.unicast from AS8714 accept ANY
mp-export:      afi ipv6.unicast to AS8714 announce AS51265
remarks:        ======================================================================
remarks:
remarks:        ======================================================================
remarks:        Public Peering
remarks:
remarks:        ACOnet
import:         from AS1853 action pref=100; accept ANY
export:         to AS1853 announce AS-MRS
mp-import:      afi ipv6.unicast from AS1853 accept ANY
mp-export:      afi ipv6.unicast to AS1853 announce AS51265
remarks:
remarks:        Vienna Internet eXchange & ACOnet services
import:         from AS1120 action pref=100; accept ANY
export:         to AS1120 announce AS-MRS
mp-import:      afi ipv6.unicast from AS1120 accept ANY
mp-export:      afi ipv6.unicast to AS1120 announce AS51265
remarks:
remarks:        Twitch
import:         from AS46489 action pref=100; accept ANY
export:         to AS46489 announce AS-MRS
remarks:
remarks:        Trusted Network
import:         from AS21385 action pref=100; accept ANY
export:         to AS21385 announce AS-MRS
mp-import:      afi ipv6.unicast from AS21385 accept ANY
mp-export:      afi ipv6.unicast to AS21385 announce AS51265
remarks:
remarks:        OVHcloud
import:         from AS16276 action pref=100; accept ANY
export:         to AS16276 announce AS-MRS
mp-import:      afi ipv6.unicast from AS16276 accept ANY
mp-export:      afi ipv6.unicast to AS16276 announce AS51265
remarks:
remarks:        Microsoft
import:         from AS8075 action pref=100; accept ANY
export:         to AS8075 announce AS-MRS
mp-import:      afi ipv6.unicast from AS8075 accept ANY
mp-export:      afi ipv6.unicast to AS8075 announce AS51265
remarks:
remarks:        Hurricane Electric
import:         from AS6939 action pref=100; accept ANY
export:         to AS6939 announce AS-MRS
mp-import:      afi ipv6.unicast from AS6939 accept ANY
mp-export:      afi ipv6.unicast to AS6939 announce AS51265
remarks:
remarks:        Meta Platforms Inc
import:         from AS32934 action pref=100; accept ANY
export:         to AS32934 announce AS-MRS
mp-import:      afi ipv6.unicast from AS32934 accept ANY
mp-export:      afi ipv6.unicast to AS32934 announce AS51265
remarks:
remarks:        Valve Corporation
import:         from AS32590 action pref=100; accept ANY
export:         to AS32590 announce AS-MRS
mp-import:      afi ipv6.unicast from AS32590 accept ANY
mp-export:      afi ipv6.unicast to AS32590 announce AS51265
remarks:
remarks:        Amazon.com
import:         from AS16509 action pref=100; accept ANY
export:         to AS16509 announce AS-MRS
mp-import:      afi ipv6.unicast from AS16509 accept ANY
mp-export:      afi ipv6.unicast to AS16509 announce AS51265
remarks:
remarks:        SuperNetwork s.r.o.
import:         from AS39392 action pref=100; accept ANY
export:         to AS39392 announce AS-MRS
remarks:
remarks:        i3D.net
import:         from AS49544 action pref=100; accept ANY
export:         to AS49544 announce AS-MRS
mp-import:      afi ipv6.unicast from AS49544 accept ANY
mp-export:      afi ipv6.unicast to AS49544 announce AS51265
remarks:        ======================================================================
remarks:
remarks:        ======================================================================
remarks:        Private Peering
remarks:
remarks:        Netflix
import:         from AS2906 action pref=100; accept ANY
export:         to AS2906 announce AS-MRS
mp-import:      afi ipv6.unicast from AS2906 accept ANY
mp-export:      afi ipv6.unicast to AS2906 announce AS51265
remarks:
remarks:        Meta Platforms Inc
import:         from AS32934 action pref=100; accept ANY
export:         to AS32934 announce AS-MRS
mp-import:      afi ipv6.unicast from AS32934 accept ANY
mp-export:      afi ipv6.unicast to AS32934 announce AS51265
remarks:
remarks:        Amazon.com
import:         from AS16509 action pref=100; accept ANY
export:         to AS16509 announce AS-MRS
mp-import:      afi ipv6.unicast from AS16509 accept ANY
mp-export:      afi ipv6.unicast to AS16509 announce AS51265
remarks:
remarks:        Google LLC
import:         from AS15169 action pref=100; accept ANY
export:         to AS15169 announce AS-MRS
mp-import:      afi ipv6.unicast from AS15169 accept ANY
mp-export:      afi ipv6.unicast to AS15169 announce AS51265
remarks:
remarks:        Akamai Technologies, Inc
import:         from AS20940 action pref=100; accept ANY
export:         to AS20940 announce AS-MRS
mp-import:      afi ipv6.unicast from AS20940 accept ANY
mp-export:      afi ipv6.unicast to AS20940 announce AS51265
remarks:
remarks:        EdgeCast (fka Verizon Digital Media Service, Verizon Media)
import:         from AS15133 action pref=100; accept ANY
export:         to AS15133 announce AS-MRS
mp-import:      afi ipv6.unicast from AS15133 accept ANY
mp-export:      afi ipv6.unicast to AS15133 announce AS51265
remarks:
remarks:        Limelight Networks
import:         from AS22822 action pref=100; accept ANY
export:         to AS22822 announce AS-MRS
mp-import:      afi ipv6.unicast from AS22822 accept ANY
mp-export:      afi ipv6.unicast to AS22822 announce AS51265
remarks:        ======================================================================
admin-c:        FP1060-RIPE
tech-c:         FP1470-RIPE
tech-c:         MW5116-RIPE
status:         ASSIGNED
notify:         noc@massresponse.com
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MASSRESPONSE-MNT
created:        2010-07-06T12:09:17Z
last-modified:  2025-10-03T11:11:57Z
source:         RIPE

organisation:   ORG-MRSG2-RIPE
org-name:       Mass Response Service GmbH
country:        AT
org-type:       LIR
address:        Donau-City-Straße 7, DC Tower 1, 45
                Stock
address:        1220
address:        Vienna
address:        AUSTRIA
phone:          +4312702825
e-mail:         office@massresponse.com
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MASSRESPONSE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MASSRESPONSE-MNT
tech-c:         FP1470-RIPE
tech-c:         MW5116-RIPE
abuse-c:        MR17726-RIPE
created:        2013-12-03T14:20:04Z
last-modified:  2023-06-12T08:59:41Z
source:         RIPE
admin-c:        FP1470-RIPE
admin-c:        FP1470-RIPE

person:         Franz Pichler
address:        Mass Response Service GmbH
address:        DC Tower, Donau-City-Straße 7
address:        1220 Vienna
address:        AT
e-mail:         noc@massresponse.com
phone:          +43 1 2702825
nic-hdl:        FP1060-RIPE
mnt-by:         MASSRESPONSE-MNT
created:        2003-08-14T08:13:59Z
last-modified:  2019-07-26T11:54:37Z
source:         RIPE

person:         Florian Parnigoni
address:        Mass Response Service GmbH
address:        DC Tower, Donau-City-Straße 7
address:        1220 Vienna
address:        AT
e-mail:         noc@massresponse.com
phone:          +43 1 2702825
nic-hdl:        FP1470-RIPE
mnt-by:         MASSRESPONSE-MNT
created:        2004-03-15T15:26:47Z
last-modified:  2019-07-26T11:55:14Z
source:         RIPE

person:         Markus Windsor
address:        Mass Response Service GmbH
address:        DC Tower, Donau-City-Straße 7
address:        1220 Vienna
address:        AT
e-mail:         noc@massresponse.com
phone:          +43 1 270 28 25
nic-hdl:        MW5116-RIPE
mnt-by:         MASSRESPONSE-MNT
created:        2011-05-09T11:59:27Z
last-modified:  2019-07-26T11:55:33Z
source:         RIPE