AS Number
AS25151
AS Name
CYSO-AS
Org Name
Cyso Group B.V.
Country
Netherlands
Registry

ripe

RegDate

N/A

Updated

2022-05-10T15:12:16Z

AS25151 Looking Glass
IPv4Prefixes

22

IPv6Prefixes

6

IPv4 NUMs

15,872

IPv6 NUMs(/64)

38,654,836,736

15,872 IPv4 Addresses
CIDR Description IP Num
2.57.56.0/24 Realtime Register B.V. 256
37.46.136.0/21 Cyso Group B.V. 2048
37.72.138.0/24 Harlem Next B.V. 256
45.134.223.0/24 Bitmaster Online BV 256
62.129.139.0/24 HOSTING-NL 256
62.129.149.0/24 HOSTING-NL 256
80.85.160.0/23 HetExtraNet1 512
80.85.161.0/24 HetExtraNet1 256
81.24.0.0/22 FUGA_IN_USE_BY_CYSO 1024
81.24.4.0/24 FUGA_AMS 256
81.24.4.0/22 FUGA_AMS 1024
81.24.6.0/23 FUGA_AMS 512
81.24.8.0/22 FUGA_AMS2 1024
81.24.10.0/23 FUGA_AMS2 512
85.158.200.0/21 Cyso Group B.V. 2048
93.94.224.0/21 Cyso Group B.V. 2048
109.235.72.0/21 Cyso Group B.V. 2048
130.193.5.0/24 Cyso Group B.V. 256
185.54.112.0/22 Cyso Group B.V. 1024
185.78.196.0/22 Cyso Group B.V. 1024
185.123.55.0/24 Bitmaster Online B.V. 256
193.33.220.0/24 Ronald Pool is trading as "Video en Media" 256
CIDR Description IP NUMs(prefix /64)
2001:678:c50::/48 Realtime Register B.V. 65536
2001:67c:1724::/48 SITL Loyalty B.V. 65536
2a01:518::/32 Cyso Group B.V. 4294967296
2a01:518:1::/48 Cyso Group B.V. 65536
2a01:518:ffff::/48 NL-CYSO-INFRA 65536
2a05:6cc0::/29 Cyso Group B.V. 34359738368
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7,680 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS49605 DTS-AS - Digital Telecommunication Services S.r.l., IT Italy 9,216 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84,992 240,518,430,720 IPv4 IPv4 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,223,104 4,299,161,600 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 54,016 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,472 42,949,672,960 IPv4 IPv4
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 8,704 278,396,928 IPv6 IPv6
AS5713 SAIX-NET - Telkom SA Ltd., ZA South Africa 2,315,776 17,596,481,077,248 IPv4 IPv4 IPv6 IPv6
AS15547 NETPLUS - netplus.ch SA, CH Switzerland 135,168 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4 IPv6 IPv6
AS47147 AS-ANX - Anexia Cloud Solutions GmbH, AT Austria 1,536 131,072 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,014,400 81,626,857,472 IPv4 IPv4 IPv6 IPv6
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31,488 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 768 268,435,456 IPv4 IPv4
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 115,712 352,458,178,560 IPv4 IPv4 IPv6 IPv6
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 105,728 77,403,783,168 IPv4 IPv4 IPv6 IPv6
AS13030 INIT7 - Init7 (Switzerland) Ltd., CH Switzerland 113,408 107,395,481,600 IPv6 IPv6
AS25091 IP-Max - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS30781 JAGUAR-AS - Free Pro SAS, FR France 105,472 133,144,051,712 IPv4 IPv4 IPv6 IPv6
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S., CO Colombia 4,096 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA, BR Brazil 12,544 4,294,967,296 IPv4 IPv4
AS61573 IP TELECOM, BR Brazil 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS6777 AMS-IX-RS - Amsterdam Internet Exchange B.V., NL Netherlands 0 0 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Telecom, BR Brazil 71,168 14,010,286,080 IPv4 IPv4 IPv6 IPv6
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 368,896 38,654,705,664 IPv4 IPv4
AS53062 ALT | GRUPO BRASIL TECPAR, BR Brazil 27,136 4,504,699,155,841,024 IPv4 IPv4
AS200020 NBIP-AS - Stichting NBIP-NaWas, NL Netherlands 512 65,536 IPv6 IPv6
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 7,238,144 30,065,098,752 IPv4 IPv4 IPv6 IPv6
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,592 4,294,967,296 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7,168 68,719,476,736 IPv4 IPv4
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 256 0 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 43,264 17,179,869,184 IPv4 IPv4
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13,824 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS56630 MELBICOM-EU-AS - Melbikomas UAB, LT Lithuania 65,536 7,247,757,312 IPv4 IPv4
AS1267 ASN-WINDTRE - WIND TRE S.P.A., IT Italy 7,158,784 2,233,382,993,920 IPv4 IPv4
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 2,816 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS9930 TTNET-MY - TT DOTCOM SDN BHD, MY Malaysia 741,888 4,295,098,368 IPv4 IPv4 IPv6 IPv6
AS29169 GANDI-AS - GANDI SAS, FR France 31,744 4,294,967,296 IPv4 IPv4
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 570,112 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS34177 CELESTE-AS - CELESTE SAS, FR France 289,792 98,784,247,808 IPv4 IPv4 IPv6 IPv6
AS58511 ANYCAST-GLOBAL-BACKBONE - Anycast Holdings Pty Ltd, AU Australia 22,528 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS12552 GlobalConnect-AS12552 - GlobalConnect AB, SE Sweden 561,920 214,749,282,304 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 46,336 42,949,804,032 IPv4 IPv4 IPv6 IPv6
AS1031 PEER1-1031 - PEER 1031 LLC, US United States 1,280 4,294,967,296 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 394,496 77,326,909,440 IPv4 IPv4 IPv6 IPv6
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47,360 12,884,967,424 IPv4 IPv4 IPv6 IPv6
AS559 Switch, CH Switzerland 2,184,960 176,093,790,208 IPv4 IPv4 IPv6 IPv6
AS4230 CLARO S.A., BR Brazil 5,155,584 21,475,098,624 IPv4 IPv4
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,156,032 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS37100 SEACOM-AS - SEACOM Limited, MU Mauritius 1,072,896 12,884,901,888 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3,328 4,294,967,296 IPv4 IPv4
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 13,568 4,312,989,696 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 579,328 282,631,665,680,384 IPv6 IPv6
AS6663 TTI-NET - Euroweb Romania S.R.L., RO Romania 40,192 6,442,450,944 IPv4 IPv4 IPv6 IPv6
AS12637 SEEWEB - SEEWEB s.r.l., IT Italy 82,176 197,568,495,616 IPv4 IPv4 IPv6 IPv6
AS14537 CL-1379-14537 - Continent 8 LLC, US United States 66,048 12,884,901,888 IPv4 IPv4
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS210728 CYSO-AS-DE - Cyso Group B.V., NL Netherlands 768 4,294,967,296 IPv4 IPv4
AS15535 VIRTUALXS-AS - Virtual Access Internet BV, NL Netherlands 2,048 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Netherlands AMS-IX - Amsterdam Internet Exchange 80.249.209.155 2001:7f8:1::a502:5151:1 10 Gbps 2025-12-12 16:05:42

Private Peering Facilities

Country/Region Name City Website Updated
Equinix AM1/AM2 - Amsterdam, Luttenbergweg Amsterdam https://www.equinix.com/locations/netherlands-colocation/amsterdam-data-centers/am1/ 2016-03-14 21:27:01
Global Switch Amsterdam Amsterdam https://www.globalswitch.com/locations/amsterdam 2016-03-14 21:27:01
as-block:       AS24988 - AS25162
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:        2018-11-22T15:27:30Z
last-modified:  2018-11-22T15:27:30Z
source:         RIPE



aut-num:        AS25151
org:            ORG-CMH1-RIPE
as-name:        CYSO-AS
remarks:        AMS-ix route server
import:         from AS6777 accept ANY
export:         to AS6777 action community .= {6777:6777}; announce AS-CYSO
remarks:        NTT
import:         from AS2914 action pref=90; accept ANY
export:         to AS2914 announce AS-CYSO
remarks:        Telia
import:         from AS1299 action pref=90; accept ANY
export:         to AS1299 announce AS-CYSO
remarks:        Level3
import:         from AS3356 action pref=90; accept ANY
export:         to AS3356 announce AS-CYSO
remarks:        Nawas
import:         from AS200020 action pref=90; accept ANY
export:         to AS200020 announce AS-CYSO
remarks:        CYSO-FRA
import:         from AS210728 accept ANY
export:         to AS210728 announce ANY
admin-c:        CYSO-RIPE
tech-c:         CYSO-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
remarks:        --
remarks:        If you want to peer with us, mail [email protected]
remarks:        We do not filter our peers unless they screw up.
remarks:        We use maximum-prefix filters on all peers.
remarks:        --
mnt-by:         CYSO-MNT
created:        2002-09-16T13:40:41Z
last-modified:  2022-05-10T15:12:16Z
source:         RIPE

organisation:   ORG-CMH1-RIPE
org-name:       Cyso Group B.V.
country:        NL
org-type:       LIR
address:        Wognumsebuurt 3
address:        1817 BH
address:        Alkmaar
address:        NETHERLANDS
phone:          +31 72 751 3400
fax-no:         +31 72 751 3401
e-mail:         [email protected]
admin-c:        CYSO-RIPE
admin-c:        SCAW666-RIPE
admin-c:        TSW-RIPE
abuse-c:        CYSO-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CYSO-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CYSO-MNT
created:        2005-01-13T06:11:10Z
last-modified:  2025-03-13T15:51:08Z
source:         RIPE

role:           Cyso Hosting B.V. Technical Role Account
address:        Cyso Managed Hosting B.V.
address:        Wognumsebuurt 3
address:        1817 BH Alkmaar
address:        The Netherlands
phone:          +31 72 7513400
fax-no:         +31 72 7513401
e-mail:         [email protected]
admin-c:        TSW-RIPE
admin-c:        SCAW666-RIPE
admin-c:        PIJN1-RIPE
tech-c:         TSW-RIPE
tech-c:         PIJN1-RIPE
tech-c:         SCAW666-RIPE
nic-hdl:        CYSO-RIPE
mnt-by:         CYSO-MNT
abuse-mailbox:  [email protected]
remarks:        --
remarks:        Abuse issues : [email protected]
remarks:        Other technical issues : [email protected]
remarks:        --
created:        2002-08-05T11:12:02Z
last-modified:  2019-11-04T12:45:28Z
source:         RIPE