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	Prefix	Description
	185.235.147.0/24	CORESYSTEM SASU
	188.240.51.0/24	CORESYSTEM SASU
	2a10:8b40::/32	CORESYSTEM SASU

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3215	Orange S.A.	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS3215	Orange S.A.	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS13030	Init7 (Switzerland) Ltd.	✔	✔
	AS25091	IP-Max SA	✔	✔
	AS34019	Hivane Association	✔	✔
	AS29075	IELO-LIAZO SERVICES SAS	✔	✔
	AS8218	Zayo Europe	✘	✔
	AS2027	MilkyWan	✔	✔
	AS16276	OVH SAS	✔	✔
	AS35280	F5 Networks SARL	✔	✔
	AS56987	ABACLOUDA SAS	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS209097	NETSYST SAS	✔	✘
	AS39305	Groupe convergence.com SAS	✔	✘

aut-num:        AS42369
as-name:        CORESYSTEM
remarks:        ---------------------------------
remarks:        ( () /? [- _\~ `/ _\~ ~|~ [- |\/|
remarks:        ---------------------------------
import:         from AS714 action pref=160; accept AS714
import:         from AS3215 action pref=200; accept ANY
import:         from AS6939 action pref=160; accept AS6939
import:         from AS13030 action pref=160; accept AS13030
import:         from AS13335 action pref=160; accept AS13335
import:         from AS43100 action pref=150; accept AS43100:AS-MEMBERS
import:         from AS49689 action pref=100; accept ANY
import:         from AS51706 action pref=160; accept AS51706:AS-MEMBERS
import:         from AS201246 action pref=120; accept AS201246
import:         from AS211448 action pref=160; accept AS211448
export:         to AS714 announce AS-CORESYSTEM
export:         to AS3215 announce AS-CORESYSTEM
export:         to AS6939 announce AS-CORESYSTEM
export:         to AS13030 announce AS-CORESYSTEM
export:         to AS13335 announce AS-CORESYSTEM
export:         to AS43100 announce AS-CORESYSTEM
export:         to AS49689 announce ANY
export:         to AS51706 announce AS-CORESYSTEM
export:         to AS201246 announce AS-CORESYSTEM
export:         to AS211448 announce AS-CORESYSTEM
mp-import:      afi ipv6.unicast from AS714 action pref=160; accept AS714
mp-import:      afi ipv6.unicast from AS3215 action pref=200; accept ANY
mp-import:      afi ipv6.unicast from AS6939 action pref=200; accept ANY
mp-import:      afi ipv6.unicast from AS13030 action pref=160; accept AS13030
mp-import:      afi ipv6.unicast from AS13335 action pref=160; accept AS13335
mp-import:      afi ipv6.unicast from AS43100 action pref=150; accept AS43100:AS-MEMBERS
mp-import:      afi ipv6.unicast from AS49689 action pref=100; accept ANY
mp-import:      afi ipv6.unicast from AS51706 action pref=160; accept AS51706:AS-MEMBERS
mp-import:      afi ipv6.unicast from AS201246 action pref=120; accept AS201246
mp-import:      afi ipv6.unicast from AS211448 action pref=160; accept AS211448
mp-export:      afi ipv6.unicast to AS714 announce AS-CORESYSTEM
mp-export:      afi ipv6.unicast to AS3215 announce AS-CORESYSTEM
mp-export:      afi ipv6.unicast to AS6939 announce AS-CORESYSTEM
mp-export:      afi ipv6.unicast to AS13030 announce AS-CORESYSTEM
mp-export:      afi ipv6.unicast to AS13335 announce AS-CORESYSTEM
mp-export:      afi ipv6.unicast to AS43100 announce AS-CORESYSTEM
mp-export:      afi ipv6.unicast to AS49689 announce ANY
mp-export:      afi ipv6.unicast to AS51706 announce AS-CORESYSTEM
mp-export:      afi ipv6.unicast to AS201246 announce AS-CORESYSTEM
mp-export:      afi ipv6.unicast to AS211448 announce AS-CORESYSTEM
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
org:            ORG-CS698-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CORESYSTEM-MNT
created:        2021-02-09T14:43:32Z
last-modified:  2024-03-01T11:41:27Z
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:        ****************************


organisation:   ORG-CS698-RIPE
org-name:       CORESYSTEM SASU
org-type:       LIR
address:        Dummy address for ORG-CS698-RIPE
country:        FR
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        CA9993-RIPE
mnt-ref:        CORESYSTEM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CORESYSTEM-MNT
created:        2021-02-05T11:10:41Z
last-modified:  2026-05-13T07:27:57Z
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:        ****************************

Last Update: 2026-06-09T03:24:12Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as51706:as-members:as-par-rs	429
RADB	as-hurricanev6	21129
RIPE	as-rain	144
ALTDB	as-nlayer-customers	14678
RADB	as3214:as-filtered	659
RIPE	as3214:as-filtered	659
RIPE	as34872:as-downstream-de	237
RIPE	as-franceix-par-list	470
RIPE	as-coresystem	2
ALTDB	as3214:as-filtered	659
ALTDB	as34872:as-downstream-nl	70
RIPE	as34872:as-downstream-nl	70
ALTDB	as34872:as-downstream-de	237
ARIN	as-xo-b	59918
RIPE	as-plusnetuk:as-linx-peers-pri	217