NL
AS51088
A2B
A2B IP B.V. · www.a2b-internet.com
NL RIPE NSP Traffic20-50Gbps RatioMostly Inbound Peering PolicySelective ScopeRegional IRRRIPE::AS51088:AS-A2B Looking Glass
57
IPv4 Prefixes
19
IPv6 Prefixes
···
Peers
···
Upstream
···
Downstream
4
IX Points
19
Facilities
85.5%
RPKI Valid Rate
Network Topology Upstream/Downstream Data Source: RIPE Stat
Loading topology data...
Facilities 19 Click a point on the map to locate a facility
NameCityCountry
NIKHEF AmsterdamAmsterdamNL
Digital Realty AMS17 - AmsterdamAmsterdamNL
Equinix AM7 - Amsterdam, KuiperberwegAmsterdamNL
NorthC Oude MeerOude MeerNL
Iron Mountain Data Center - Amsterdam (AMS-1)AmsterdamNL
Digital Realty AMS18 - AmsterdamAmsterdamNL
Eurofiber Datacenter NL Zuid-West 2SteenbergenNL
Datacenter Noord-HollandAlkmaarNL
NorthC Amsterdam 1AmsterdamNL
Eurofiber Datacenter Rotterdam 1AlblasserdamNL
Equinix AM5 - Amsterdam, SchepenbergwegAmsterdamNL
NorthC DelftDelftNL
EFXEindhovenNL
Eurofiber Datacenter Rotterdam 2RotterdamNL
NorthC Eindhoven 1EindhovenNL
NorthC Rotterdam WaalhavenRotterdamNL
Eurofiber Datacenter NL Zuid-West 1WaalwijkNL
Eurofiber Datacenter Utrecht 1GroenekanNL
Eurofiber Datacenter Amsterdam 1HoofddorpNL
Colocated Networks 30 Shared Data Center
ASNNameType Shared Facility
AS205185 Eurofiber Spine 18/19
AS8455 atom86 NSP 18/19
AS34766 Layer23 BV 17/19
AS39686 Eurofiber NSP 16/19
AS57866 Fusix Networks NSP 14/19
AS50917 BACKBONE.direct NSP 13/19
AS39637 ADES NSP 13/19
AS41960 Nextpertise NSP 12/19
AS204401 AFIBER Cable/DSL/ISP 9/19
AS200023 Qonnected Cable/DSL/ISP 9/19
AS61060 NXTcom Nederland Cable/DSL/ISP 8/19
AS174 Cogent Communications, Inc. NSP 8/19
AS207375 Fiber Operator Cable/DSL/ISP 7/19
AS206221 ERA-IX Route Servers Amsterdam Route Server 7/19
AS202932 Quanza NSP 7/19
AS61349 MaxiTEL Telecom B.V. Enterprise 7/19
AS49127 Asimo Networks Network Services 7/19
AS35133 Eranium Unified Transit NSP 7/19
AS60893 Art Of Automation B.V. Cable/DSL/ISP 6/19
AS57112 F2X Operator B.V. Cable/DSL/ISP 6/19
Registration Info
AS Name
A2B
Registration Date
2010-05-28T12:48:01Z
Update Date
2026-01-20T11:49:39Z
Raw Whois Data
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
import:         from AS8455 action pref=100; accept ANY AND NOT {0.0.0.0/0}
export:         to AS8455 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:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         A2B-INTERNET-MNT
created:        2010-05-28T12:48:01Z
last-modified:  2026-01-20T11:49:39Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************




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No match found for a AS51088.


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