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

16

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
197.211.128.0/18 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
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13,312 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS60068 CDN77 - Datacamp Limited, GB United Kingdom 114,944 1,157,890,048 IPv4 IPv4
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2,048 34,359,738,368 IPv6 IPv6
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 52,480 6,442,450,944 IPv4 IPv4 IPv6 IPv6
AS31510 IKB-AS - Innsbrucker Kommunalbetriebe AG, AT Austria 27,904 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 53,760 81,604,378,624 IPv4 IPv4
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS47147 AS-ANX - ANEXIA Internetdienstleistungs GmbH, AT Austria 1,536 131,072 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 106,240 351,384,436,736 IPv4 IPv4 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,496,320 25,770,655,744 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Provider, BR Brazil 70,912 14,010,220,544 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
AS40994 Alwyzon - Hohl IT e.U., AT Austria 4,608 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS8714 LINX-ROUTESRV - London Internet Exchange Ltd., GB United Kingdom 0 0 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 35,840 107,374,182,400 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 12,032 4,312,662,016 IPv4 IPv4
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12,800 4,294,967,296 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 99,200 77,403,586,560 IPv4 IPv4
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 1,280 4,294,967,296 IPv4 IPv4
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,188,288 17,600,776,044,544 IPv4 IPv4
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 561,920 214,749,216,768 IPv4 IPv4
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 43,520 17,179,869,184 IPv4 IPv4
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4
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
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,592 4,294,967,296 IPv4 IPv4
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 368,640 38,654,705,664 IPv4 IPv4
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 17,179,869,184 IPv4 IPv4
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv4 IPv4
AS62275 NHM - NHM - S.R.L., IT Italy 5,376 171,798,691,840 IPv4 IPv4
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 86,016 240,518,430,720 IPv4 IPv4 IPv6 IPv6
AS4455 BSO - IX Reach Ltd, GB United Kingdom 55,808 12,884,967,424 IPv4 IPv4
AS6720 MAGWIEN - Magistrat der Stadt Wien, Magistratsabteilung 01, AT Austria 69,632 196,608 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,880 107,374,182,400 IPv4 IPv4
AS9002 RETN-AS - RETN Limited, GB United Kingdom 38,400 4,294,967,296 IPv6 IPv6
AS200970 RIEPERT - Riepert Informationstechnologie GmbH, AT Austria 2,048 34,359,738,368 IPv4 IPv4
AS7195 EDGEUNO S.A.S, CO Colombia 31,232 4,275,109,888 IPv4 IPv4
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 12,800 2,162,688 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,584 4,294,967,296 IPv4 IPv4
AS47692 NESSUS - Nessus GmbH, AT Austria 37,120 34,359,869,440 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 581,888 282,627,370,713,088 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 10,496 42,949,672,960 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 IPv6 IPv6
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