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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	37.1.104.0/23	onecentral B.V.
	37.1.104.0/21	onecentral B.V.
	37.1.106.0/23	onecentral B.V.
	37.1.108.0/23	onecentral B.V.
	45.149.248.0/23	-
	45.149.250.0/24	-
	91.212.183.0/24	onecentral B.V.
	91.223.233.0/24	onecentral B.V.
	185.191.12.0/24	-
	185.191.12.0/23	onecentral B.V.
	185.191.12.0/22	onecentral B.V.
	2a00:d540::/32	DN-11 AMS1T
	2a00:d540::/29	onecentral B.V.
	2a00:d541::/32	Eq-AM7
	2a00:d542::/32	Broadband-AMS1

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS41887	Prolocation B.V.	✔	✔
	AS8455	atom86 BV	✔	✔
	AS198089	IP Visie Networking B.V.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS41887	Prolocation B.V.	✔	✔
	AS198089	IP Visie Networking B.V.	✔	✔
	AS8455	atom86 BV	✔	✔
	AS49127	Asimo Networks B.V.	✔	✔
	AS24482	SG.GS	✔	✔
	AS24115	Equinix IX	✔	✘
	AS60144	3W Infra B.V.	✘	✔

aut-num:        AS49250
as-name:        onecentral
org:            ORG-oB27-RIPE
import:         from AS8455 action pref=100; accept ANY
import:         from AS41887 action pref=300; accept ANY
export:         to AS8455 announce AS49250
export:         to AS24115 announce AS-ONECENTRAL
export:         to AS8075 announce AS-ONECENTRAL
export:         to AS41887 announce AS49250
export:         to AS8455 announce AS-ONECENTRAL
export:         to AS41887 announce AS-ONECENTRAL
export:         to AS8455 announce AS49250:AS-ONECENTRAL
export:         to AS41887 announce AS49250:AS-ONECENTRAL
export:         to AS198089 announce AS49250
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ONECENTRAL
created:        2009-05-07T07:47:28Z
last-modified:  2023-02-09T00:13:15Z
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:        * https://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-oB27-RIPE
org-name:       onecentral B.V.
country:        NL
org-type:       LIR
address:        Dummy address for ORG-oB27-RIPE
e-mail:         [email protected]
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        ONECENTRAL
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ONECENTRAL
abuse-c:        AN28726-RIPE
created:        2011-11-11T14:32:12Z
last-modified:  2022-06-10T10:51:59Z
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:        * https://www.ripe.net/whois
remarks:        ****************************

Last Update: 2024-12-03T03:25:19Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as198089:as-ipvisie	5
ARIN	as-xo-b	56662
RIPE	as-ubnix-members	16626
RIPE	as-openpeering	7153
RADB	as-hurricanev6	17681
RIPE	as-atom86cust4	721
RADB	as-hurricane	23434
RIPE	as-transroute-spec	22107
RIPE	as-prolocation	12
RIPE	as-onecentral	2
RIPE	as-jointtransit	3211
RIPE	as51088:as-a2b	128
RIPE	as49250:as-onecentral	2
RIPE	as-atom86cust6	698