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: 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
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 # Filtered
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 abuse@a2b-internet.com please
remarks: provide as much details and include full headers
remarks: and/or logfiles.
remarks: Peering questions / requests to peering@a2b-internet.com
remarks: Network questions / issues to noc@a2b-internet.com
remarks: The helpdesk can be reached at helpdesk@a2b-internet.com
remarks: http://www.a2b-internet.com/
remarks: ------------------------------------------------
admin-c: bais-RIPE
tech-c: bais-RIPE
tech-c: JL13412-RIPE
abuse-mailbox: abuse@a2b-internet.com
nic-hdl: AS51088-RIPE
mnt-by: A2B-INTERNET-MNT
created: 2010-05-28T17:13:29Z
last-modified: 2021-11-09T13:19:28Z
source: RIPE # Filtered