AS Number
AS51088
AS Name
A2B
Org Name
A2B IP B.V.
Country
Netherlands
Registry

ripe

RegDate

N/A

Updated

2023-04-24T12:21:05Z

AS51088 Looking Glass
https://lg.a2b-internet.com/
IPv4Prefixes

43

IPv6Prefixes

19

IPv4 NUMs

41,984

IPv6 NUMs(/64)

343,597,514,752

41,984 IPv4 Addresses
CIDR Description IP Num
5.10.192.0/24 A2B IP B.V. 256
5.44.72.0/21 McCloud.nl B.V. 2048
31.41.255.0/24 A2B IP B.V. 256
31.134.200.0/21 A2B IP B.V. 2048
45.85.191.0/24 Inetactief 256
46.175.131.0/24 101010.tv B.V. 256
46.244.0.0/19 A2B IP B.V. 8192
46.244.96.0/19 A2B IP B.V. 8192
62.3.55.0/24 A2B IP B.V. 256
62.68.84.0/24 Cuttle bv 256
91.213.13.0/24 Easy Networking B.V. 256
91.233.224.0/23 Riksjaonline B.V. 512
92.249.7.0/24 Eljakim Information Technology B.V. 256
93.93.120.0/21 Gemeente Alkmaar 2048
93.190.124.0/24 Infra-Commerce Investments B.V. 256
146.19.97.0/24 A2B IP B.V. 256
178.211.151.0/24 SyncForce B.V. 256
178.249.152.0/21 A2B IP B.V. 2048
185.30.204.0/22 Justspark Managed IT B.V. 1024
185.34.220.0/22 Nebula-Online B.V. 1024
185.37.4.0/23 ATSC-NET 512
185.37.6.0/24 Digifactory-Hosting 256
185.40.254.0/24 De Ruiter Network Company B.V. 256
185.41.124.0/22 mijnpartnergroep.nl VOF 1024
185.44.244.0/22 Luna.nl B.V. 1024
185.46.173.0/24 DC1.AMSTERDAM Cooperatie U.A. 256
185.51.52.0/23 Access-Range 512
185.63.244.0/22 It's Us B.V. 1024
185.168.142.0/24 Zeta Datacenters B.V. 256
185.205.52.0/22 A2B IP B.V. 1024
185.217.118.0/24 Wild ICT BV 256
185.225.220.0/22 Luna.nl B.V. 1024
185.234.13.0/24 RTM Networks B.V. 256
185.240.112.0/22 Luna.nl B.V. 1024
188.95.143.0/24 NETAFFAIRS 256
192.166.96.0/22 Effect ICT Solutions B.V. 1024
193.5.148.0/24 NXTcom Nederland BV 256
193.39.250.0/24 Edward van der Jagt B.V. 256
193.53.249.0/24 Monta Services BV 256
193.108.238.0/24 Easy Networking B.V. 256
193.110.189.0/24 Infra-Commerce Investments B.V. 256
193.169.108.0/23 RENZO LISSENBERG 512
212.24.126.0/24 A2B IP B.V. 256
CIDR Description IP NUMs(prefix /64)
2001:67c:eb0::/48 Good Cloud BV 65536
2001:67c:1064::/48 Easy Networking B.V. 65536
2a01:77e0::/32 Luna.nl B.V. 4294967296
2a02:1668::/32 A2B IP B.V. 4294967296
2a02:166a::/32 FTTH-range 4294967296
2a02:166b::/32 A2B IP B.V. 4294967296
2a02:2738::/32 Gemeente Alkmaar 4294967296
2a04:6dc0::/32 ATSC_Colo_v6 4294967296
2a05:2900::/29 A2B IP B.V. 34359738368
2a06:2602::/32 A2B IP B.V. 4294967296
2a0a:e80::/29 A2B IP B.V. 34359738368
2a0b:1c0::/29 A2B IP B.V. 34359738368
2a0f:ba00::/29 A2B IP B.V. 34359738368
2a0f:d440::/29 Infra-Commerce Investments B.V. 34359738368
2a12:4180::/29 DC1.AMSTERDAM Cooperatie U.A. 34359738368
2a13:800::/29 A2B IP B.V. 34359738368
2a13:2c00::/29 A2B IP B.V. 34359738368
2a13:3400::/29 A2B IP B.V. 34359738368
2a14:12c0::/32 Eljakim Information Technology B.V. 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS559 SWITCH, CH Switzerland 2,184,704 176,093,790,208 IPv4 IPv4 IPv6 IPv6
AS14840 BR.Digital Provider, BR Brazil 67,072 14,009,892,864 IPv4 IPv4 IPv6 IPv6
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15,872 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS47147 AS-ANX - ANEXIA Internetdienstleistungs GmbH, AT Austria 1,792 196,608 IPv4 IPv4
AS37468 ANGOLA-CABLES - Angola Cables, AO Angola 9,216 42,949,672,960 IPv4 IPv4 IPv6 IPv6
AS132337 ANSPL-AS-AP - AXCLUSIVE PTE. LTD., SG Singapore 7,936 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS3303 SWISSCOM - Swisscom (Schweiz) AG, CH Switzerland 3,566,592 200,052,375,552 IPv4 IPv4 IPv6 IPv6
AS20495 WEDARE - We Dare B.V., NL Netherlands 43,264 6,442,450,944 IPv4 IPv4
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 43,264 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS34177 CELESTE-AS - CELESTE SAS, FR France 192,768 42,949,672,960 IPv4 IPv4
AS4455 BSO - IX Reach Ltd, GB United Kingdom 57,088 8,590,000,128 IPv4 IPv4
AS6667 EUNET-FINLAND - Elisa Oyj, FI Finland 2,816 4,294,967,296 IPv4 IPv4
AS137409 GSLNETWORKS-AS-AP - GSL Networks Pty LTD, AU Australia 67,840 94,522,834,944 IPv4 IPv4 IPv6 IPv6
AS32437 edgeconnect-legacy - Webdev CC T/A Cybertek, ZA South Africa 6,144 4,294,967,296 IPv4 IPv4
AS47160 MOJI - MOJI SAS, FR France 5,376 34,376,515,584 IPv4 IPv4 IPv6 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 9,472 38,654,705,664 IPv4 IPv4 IPv6 IPv6
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,673,984 18,255,118,336 IPv4 IPv4 IPv6 IPv6
AS13237 LAMBDANET-AS - euNetworks GmbH, DE Germany 572,416 111,669,149,696 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS25091 IP-MAX - IP-Max SA, CH Switzerland 15,104 68,719,607,808 IPv4 IPv4 IPv6 IPv6
AS35360 GARGUNET - Frederic Gargula, CH Switzerland 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,448 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 94,720 354,874,032,128 IPv4 IPv4 IPv6 IPv6
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A, BR Brazil 228,864 30,068,310,016 IPv4 IPv4 IPv6 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,519,168 257,698,496,512 IPv4 IPv4 IPv6 IPv6
AS6057 Administracion Nacional de Telecomunicaciones, UY Uruguay 2,155,776 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS6774 ASN-BICS - Belgacom International Carrier Services SA, BE Belgium 20,256 4,294,967,296 IPv4 IPv4
AS6777 AMS-IX-RS - Amsterdam Internet Exchange B.V., NL Netherlands 0 0 IPv4 IPv4 IPv6 IPv6
AS35280 F5 - F5 Networks SARL, FR France 51,968 81,604,378,624 IPv4 IPv4 IPv6 IPv6
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 12,800 111,669,739,520 IPv4 IPv4 IPv6 IPv6
AS57463 NetIX - NetIX Communications JSC, BG Bulgaria 0 0 IPv4 IPv4 IPv6 IPv6
AS5405 INTERDOTLINK - Inter.link GmbH, DE Germany 1,280 34,359,738,368 IPv6 IPv6
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 7,134,464 34,359,869,440 IPv4 IPv4 IPv6 IPv6
AS12779 ITGATE - IT.Gate S.p.A., IT Italy 45,824 42,949,804,032 IPv4 IPv4 IPv6 IPv6
AS30781 JAGUAR-AS - Free Pro SAS, FR France 97,792 133,144,051,712 IPv4 IPv4
AS34019 HIVANE - Hivane Association, FR France 2,816 1,245,184 IPv4 IPv4 IPv6 IPv6
AS8529 OMANTEL-AS - Zain Omantel International FZ-LLC, AE United Arab Emirates 10,752 0 IPv6 IPv6
AS13030 INIT7 - Init7 (Switzerland) Ltd., CH Switzerland 112,384 107,395,481,600 IPv6 IPv6
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 86,528 274,878,234,624 IPv4 IPv4 IPv6 IPv6
AS34224 NETERRA-AS - Neterra Ltd., BG Bulgaria 41,472 4,294,967,296 IPv4 IPv4
AS34927 iFog-GmbH - iFog GmbH, CH Switzerland 5,376 244,449,280 IPv4 IPv4 IPv6 IPv6
AS37497 Network-Platforms - Network Platforms (PTY) LTD, ZA South Africa 14,336 4,294,967,296 IPv4 IPv4
AS39351 ESAB-AS - 31173 Services AB, SE Sweden 9,728 4,296,081,408 IPv4 IPv4
AS56987 AS-ABACLOUDA - ABACLOUDA SAS, FR France 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 549,120 282,631,665,614,848 IPv4 IPv4 IPv6 IPv6
AS9498 BBIL-AP - Bharti Airtel Limited, IN India 2,141,952 4,299,030,528 IPv4 IPv4
AS15605 CONNESI - Connesi s.p.a., IT Italy 20,992 17,179,869,184 IPv4 IPv4 IPv6 IPv6
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9,472 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS267613 ELETRONET S.A., BR Brazil 1,024 4,294,967,296 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,519,168 257,698,496,512 IPv4 IPv4
AS35421 dmp - Data Management Professionals B.V., NL Netherlands 1,024 0 IPv4 IPv4
AS214988 solit - McCloud.nl B.V., NL Netherlands 1,024 0 IPv4 IPv4
AS210449 SKYLARNET-NL - SkylarNET B.V, NL Netherlands 512 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS12902 LUNA - Luna.nl B.V., NL Netherlands 10,240 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS42703 cloudiction - ICT Combinatie B.V., NL Netherlands 512 0 IPv4 IPv4
AS50559 DIVD - Stichting Dutch Institute for Vulnerability Disclosure, NL Netherlands 256 0 IPv4 IPv4
AS57129 gidpro - GidPro BV, NL Netherlands 2,048 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 7,134,464 34,359,869,440 IPv4 IPv4
AS20953 INFONL-AS - Info.nl Holding B.V., NL Netherlands 4,352 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS60131 HIGH5-NL - High5! B.V., NL Netherlands 5,632 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS202656 XServer-Europe - Ivanov Vitaliy Sergeevich, UA Ukraine 108,800 262,144 IPv4 IPv4 IPv6 IPv6
AS50119 scc - Smith Computer Centrum Computers BV, NL Netherlands 256 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS52102 TRIBION - Tribion B.V., NL Netherlands 2,560 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS199670 DNS-ANYCAST - DNS-Belgium, BE Belgium 1,024 262,144 IPv4 IPv4 IPv6 IPv6
AS39855 MOD-EU - Mod Mission Critical LLC, US United States 139,264 393,216 IPv4 IPv4 IPv6 IPv6
AS201995 bre-efx - EINDHOVEN FIBER EXCHANGE B.V., NL Netherlands 256 0 IPv4 IPv4
AS24642 NL-CAVEO - Caveo Internet BV, NL Netherlands 4,608 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS214423 MSI-AS - Micro-Star Netherlands Holding B.V., NL Netherlands 256 65,536 IPv4 IPv4 IPv6 IPv6
AS60479 EXCL-AS - Exclusief.net BV, NL Netherlands 1,024 0 IPv4 IPv4
AS64404 EVENTINFRA-AS - Stichting EventInfra, NL Netherlands 4,096 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS203234 nl-coosto-1-as - Coosto BV, NL Netherlands 512 65,536 IPv4 IPv4 IPv6 IPv6
AS399810 LAER-AS-AMS1 - UnitedLayer, LLC, US United States 256 65,536 IPv4 IPv4 IPv6 IPv6
AS8298 IPNG - IPng Networks GmbH, CH Switzerland 512 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS15562 SNIJDERS - Job Snijders, NL Netherlands 67,392 458,752 IPv4 IPv4 IPv6 IPv6
AS31019 MEANIE - Paulus M. Hoogsteder, NL Netherlands 1,280 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS52199 ARKIN - Stichting Arkin, NL Netherlands 256 0 IPv4 IPv4

Peers at this Exchange Point

Country/Region IX IPv4 IPv6 Port Speed Updated
Netherlands Frys-IX - The Frisian Internet Exchange 185.1.203.179 2001:7f8:10f::c790:179 100 Gbps 2023-08-07 09:37:21
Netherlands INTERIX - InterIX Internet Exchange Amsterdam 185.0.1.89 2001:7f8:134::89 100 Gbps 2022-12-30 18:37:15
Netherlands Speed-IX - Speed Internet Exchange 185.1.222.177 2001:7f8:b7::a505:1088:1 100 Gbps 2023-07-06 01:27:08
Netherlands AMS-IX - Amsterdam Internet Exchange 80.249.208.209 2001:7f8:1::a505:1088:1 20 Gbps 2022-02-03 17:09:18

Private Peering Facilities

Country/Region Name City Website Updated
NIKHEF Amsterdam Amsterdam http://www.nikhefhousing.nl 2016-03-14 21:00:05
Digital Realty Amsterdam AMS17 Amsterdam https://www.digitalrealty.com 2021-06-22 08:27:34
Equinix AM7 - Amsterdam, Kuiperberweg Amsterdam https://www.equinix.com/locations/netherlands-colocation/amsterdam-data-centers/am7/ 2016-03-14 21:00:04
NorthC Oude Meer Oude Meer https://www.northcdatacenters.com/ 2022-12-20 15:56:06
Iron Mountain Data Center - Amsterdam (AMS-1) Amsterdam https://www.ironmountain.com/digital-transformation/data-centers/locations/amsterdam-data-center 2016-03-14 20:42:51
Digital Realty Amsterdam AMS18 Amsterdam https://www.digitalrealty.com 2016-03-15 12:14:18
Eurofiber Datacenter Nedzone Steenbergen https://www.eurofibercloudinfra.com/ 2016-03-14 21:25:19
Datacenter Noord-Holland Alkmaar https://www.datacenternoordholland.nl/ 2022-12-20 15:56:53
NorthC Amsterdam Amsterdam https://www.northcdatacenters.com/ 2016-03-14 21:23:30
Eurofiber Datacenter Rotterdam Alblasserdam https://www.eurofibercloudinfra.com/ 2016-05-29 09:28:58
Equinix AM5 - Amsterdam, Schepenbergweg Amsterdam https://www.equinix.com/locations/netherlands-colocation/amsterdam-data-centers/am5/ 2016-03-15 12:14:34
NorthC Delft Delft https://www.northcdatacenters.com/ 2016-03-14 21:32:08
EFX Eindhoven http://www.efx.nl/ 2016-03-15 12:11:46
Bytesnet Rotterdam Rotterdam https://www.bytesnet.nl 2016-03-15 12:13:37
NorthC Eindhoven 1 Eindhoven https://www.northcdatacenters.com/ 2018-07-03 15:03:05
NorthC Rotterdam Waalhaven Rotterdam https://www.northcdatacenters.com/ 2021-06-22 08:27:12
Eurofiber Datacenter Brabant Waalwijk https://www.eurofibercloudinfra.com/ 2019-03-04 13:25:59
Eurofiber Datacenter Utrecht Groenekan https://www.eurofibercloudinfra.com/ 2019-03-04 13:27:15
Eurofiber Datacenter Amsterdam Hoofddorp https://www.eurofibercloudinfra.com/ 2021-06-22 08:28:59
IP Address Domain NUMs Domains
5.44.72.9 3 hosted.mccloud.nl
5.44.79.41 2 ex-mch-01.hosted.mccloud.nl
5.44.79.50 2 platform-api.keeskoopmantransport.nl
5.44.79.59 13 control.solit.nl
5.44.79.60 86 appartementennatuurlijk.nl
5.44.79.61 22 autodiscover.hosted.mccloud.nl
5.44.79.64 1 mail.smdzw.nl
5.44.79.65 1 ns1.globe.hosting.
5.44.79.123 1 portal.albertkeijzer.nl
5.44.79.124 1 remote.albertkeijzer.nl
as-block:       AS50893 - AS51355
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:        2023-07-20T14:43:26Z
last-modified:  2023-07-20T14:43:26Z
source:         RIPE



aut-num:        AS51088
as-name:        A2B
org:            ORG-AIB25-RIPE
remarks:        ============================================================
remarks:        AMS-IX peering
remarks:        ============================================================
import:         from AS51088:AS-PEERS-AMSIX action pref=80; accept ANY AND NOT {0.0.0.0/0}
export:         to AS51088:AS-PEERS-AMSIX announce AS51088:AS-A2B
remarks:        ============================================================
remarks:        AMS-IX route server policy
remarks:        ============================================================
import-via:     AS6777 from AS-AMS-IX-RS EXCEPT AS61180:AS-PEERS-AMSIX accept ANY
export-via:     AS6777 to AS-AMS-IX-RS EXCEPT AS61180:AS-PEERS-AMSIX announce AS51088:AS-A2B
remarks:        ============================================================
remarks:        A2B Internet customers
remarks:        ============================================================
import:         from AS57060 action pref=50; accept AS57060
export:         to AS57060 announce ANY
import:         from AS60358 action pref=50; accept AS60358
export:         to AS60358 announce ANY
import:         from AS200560 action pref=50; accept AS200560
export:         to AS200560 announce ANY
import:         from AS202169 action pref=50; accept AS202169
export:         to AS202169 announce ANY
import:         from AS206521 action pref=50; accept AS206521
export:         to AS206521 announce ANY
import:         from AS206637 action pref=50; accept AS-IQIP
export:         to AS206637 announce ANY
import:         from AS50266 action pref=50; accept AS-TMNL
export:         to AS50266 announce AS51088:AS-TMNL-IXP-PEERS
remarks:        ============================================================
remarks:        Transits
remarks:        ============================================================
import:         from AS2914 action pref=100; accept ANY AND NOT {0.0.0.0/0}
export:         to AS2914 announce AS51088:AS-A2B
import:         from AS3257 action pref=100; accept ANY AND NOT {0.0.0.0/0}
export:         to AS3257 announce AS51088:AS-A2B
remarks:        ============================================================
remarks:        Basic Interconnection Requirements
remarks:        ============================================================
remarks:
remarks:        The following is required to share a BGP session with
remarks:        AS51088:
remarks:
remarks:        - The customer's gateway router must be using BGP v4.
remarks:        - The customer must use a RIR assigned ASN.
remarks:        - The customer must have its customer-routes registered with
remarks:        an instance of the IRR. Its 'as-set' must include the ASNs
remarks:        originating routes and for each route exported a relevant
remarks:        'route' object is required.
remarks:        - The customer must export its customer-routes reasonably
remarks:        aggregated, and AS51088 will not accept any prefix that is
remarks:        longer than a /24 (except for denial-of-service mitigation).
remarks:        - The customer may use MED to signal its return path pre-
remarks:        ference in AS51088.
remarks:
admin-c:        AS51088-RIPE
tech-c:         AS51088-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         A2B-INTERNET-MNT
created:        2010-05-28T12:48:01Z
last-modified:  2023-04-24T12:21:05Z
source:         RIPE

organisation:   ORG-AIB25-RIPE
org-name:       A2B IP B.V.
country:        NL
org-type:       LIR
address:        Spinnekop 2
address:        1444 GN
address:        Purmerend
address:        NETHERLANDS
phone:          +31859020410
e-mail:         [email protected]
admin-c:        AS51088-RIPE
tech-c:         AS51088-RIPE
abuse-c:        AS51088-RIPE
mnt-ref:        A2B-INTERNET-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         A2B-INTERNET-MNT
created:        2021-08-13T08:11:29Z
last-modified:  2022-12-22T16:01:47Z
source:         RIPE

role:           A2B Internet Role-Object
address:        Spinnekop 2
address:        NL-1444 GN Purmerend
address:        The Netherlands
phone:          +31 85 902 0410
remarks:        ------------------------------------------------
remarks:        abuse complaints ONLY to [email protected] please
remarks:        provide as much details and include full headers
remarks:        and/or logfiles.
remarks:        Peering questions / requests to [email protected]
remarks:        Network questions / issues to [email protected]
remarks:        The helpdesk can be reached at [email protected]
remarks:        http://www.a2b-internet.com/
remarks:        ------------------------------------------------
admin-c:        bais-RIPE
tech-c:         bais-RIPE
tech-c:         JL13412-RIPE
abuse-mailbox:  [email protected]
nic-hdl:        AS51088-RIPE
mnt-by:         A2B-INTERNET-MNT
e-mail:         [email protected]
created:        2010-05-28T17:13:29Z
last-modified:  2021-11-09T13:19:28Z
source:         RIPE