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	Prefix	Description
	81.27.84.0/24	SysLevel SAS
	2a12:8ac0:1000::/40	SYSLEVEL SAS

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS2027	MilkyWan	✔	✔
	AS11967	Hop179 OU	✔	✔
	AS212895	Johannes Ernst	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2027	MilkyWan	✔	✔
	AS11967	Hop179 OU	✔	✔
	AS50263	A-Systems Sp. z o.o.	✔	✔
	AS8529	Zain Omantel International FZ-LLC	✔	✔
	AS212895	Johannes Ernst	✔	✔
	AS44592	SkyLink Data Center BV	✔	✔
	AS61049	Exascale Ltd	✔	✔
	AS35625	Eurofiber France SAS	✔	✔
	AS3399	Obenet AB	✔	✔
	AS49434	FBW NETWORKS SAS	✔	✔
	AS25091	IP-Max SA	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS50917	Diederik Focko de Zee	✔	✔
	AS16347	ADISTA SAS	✔	✔
	AS2200	Renater	✔	✔
	AS6696	VERIXI SA	✔	✘
	AS62000	SERVERD SAS	✔	✔
	AS205941	Lungu Stefan Gabriel	✔	✔
	AS44407	Linkt SAS	✔	✔
	AS399486	Virtuo	✔	✔
	AS216265	ARISTO NETWORKS LTD	✔	✔
	AS34019	Hivane Association	✔	✔
	AS47160	MOJI SAS	✔	✔
	AS56987	ABACLOUDA SAS	✔	✔
	AS44103	The Mastermind Holding B.V.	✔	✔
	AS42093	InterRacks B.V.	✔	✔
	AS6823	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	✔	✘
	AS8801	Rocket Fibre Ltd	✔	✔
	AS34659	Keyyo SA	✔	✔
	AS6517	LAKENETWORKS	✔	✔
	AS34927	iFog GmbH	✔	✘
	AS207992	FEELB SARL	✔	✔
	AS8487	Phibee Telecom SAS	✔	✔
	AS204092	Association GRIFON	✔	✔
	AS213449	Jann-Ole Wagenaar	✔	✔
	AS8399	SEWAN SAS	✔	✔
	AS203062	Alexandre Roux	✔	✔
	AS35661	VIRTUA SYSTEMS SAS	✔	✔
	AS209097	NETSYST SAS	✔	✔
	AS15401	Orange Business Services SA	✔	✔
	AS200132	Peter-Paul Maria Kurstjens	✔	✔
	AS31561	Nine-IX Route Servers	✔	✔
	AS41765	IPGarde SAS	✔	✔
	AS215596	KISSGROUP SAS	✔	✔
	AS35600	Vedege SAS	✔	✔
	AS213576	Robert Weir	✔	✔
	AS62443	Nicolas VUILLERMET	✔	✔
	AS39421	Sapinet SAS	✔	✔
	AS47311	PT Atharva Telematika Persada	✔	✔
	AS41114	Orne THD SPL	✔	✔
	AS41652	SHPV FRANCE SAS	✔	✔
	AS30972	Bedrock SAS	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS39563	CTA Systems B.V.	✔	✔
	AS209768	white2net Srl	✔	✔
	AS64404	Stichting EventInfra	✔	✔
	AS50624	Outscale SASU	✔	✘
	AS207176	OPENFIBER B.V.	✔	✔
	AS215296	Raoul Brouns is trading as LowPing NL	✔	✔
	AS209090	Association Stolon	✔	✔
	AS201675	SACLAK NETWORK SAS	✔	✔
	AS396986	Bytedance, Inc. (TikTok)	✔	✔
	AS44097	CLEMENT CAVADORE	✔	✔
	AS835	GoCodeIT Inc	✔	✔
	AS215114	Stevan Durand--L'Hours t/a SLBCLOUD	✔	✔
	AS209267	Velorum B.V.	✔	✔
	AS48213	ABICOM SAS	✔	✔
	AS202585	Nick Bouwhuis	✔	✔
	AS25358	Novso SARL	✔	✔
	AS200236	Saif Mohammed Alashram trading as Privacy Cloud Servi...	✔	✔
	AS42687	Izarlink SAS	✔	✔
	AS213409	Daniil Koval	✔	✔
	AS206983	Altilink SARL	✔	✔
	AS207849	ESIEESPACE	✔	✔
	AS216198	LIN ZE YANG	✔	✔
	AS216096	Alex Terrats Ciberseguretat SLU	✔	✔
	AS205344	Unixo SARL	✔	✔
	AS50446	Datacampus SAS	✔	✔
	AS211850	Groupe ESIEA Association declaree	✔	✔
	AS207530	Timo Schaffert	✔	✔
	AS112	AS112 Project	✔	✔
	AS43858	WEBAXYS SAS	✔	✔
	AS200748	EPT Grand-Orly Seine Bievre	✔	✔
	AS210165	VIDEAS SAS	✔	✔
	AS213052	Bram Wittendorp trading as BittenBytes	✔	✔
	AS202580	A-Systems Sp. z o.o.	✔	✔
	AS210320	Cedric Hoogendoorn	✔	✔
	AS13849	Blockinetic LLC	✔	✘
	AS147039	Cyprea Private Limited	✔	✔
	AS214380	Tim de Boer trading as tim427.net	✔	✔
	AS214022	Joseph Rawlings trading as Virtnet.bond	✔	✘
	AS200259	The American University of Paris - association declaree	✔	✔
	AS208458	REGION NOUVELLE-AQUITAINE	✔	✔
	AS210578	Lucas Groenewegen trading as McPal	✘	✔
	AS48813	Enix SAS	✔	✘
	AS202573	Valentin Girard	✘	✔

aut-num:        AS198839
as-name:        MCASYS
remarks:        --
remarks:        --
remarks:        =======================
remarks:        ==== BGP Upstreams ====
remarks:        =======================
remarks:        --
remarks:        // MilkyWan
mp-import:      afi ipv4.unicast,ipv6.unicast from AS2027 action pref=200; med=400; accept ANY
mp-export:      afi ipv4.unicast,ipv6.unicast to AS2027 announce AS198839
remarks:        --
remarks:        // HOP179
mp-import:      afi ipv4.unicast,ipv6.unicast from AS11967 action pref=200; med=400; accept ANY
mp-export:      afi ipv4.unicast,ipv6.unicast to AS11967 announce AS198839
remarks:        --
remarks:        // Virtua Systems
mp-import:      afi ipv4.unicast,ipv6.unicast from AS35661 action pref=180; med=400; accept ANY
mp-export:      afi ipv4.unicast,ipv6.unicast to AS35661 announce AS198839
remarks:        --
remarks:        --
remarks:        =======================
remarks:        ==== IXP RS ====
remarks:        =======================
remarks:        --
remarks:        // Nine-IX
mp-import:      afi ipv4.unicast,ipv6.unicast from AS31561 accept ANY
mp-export:      afi ipv4.unicast,ipv6.unicast to AS31561 announce AS198839
remarks:        --
remarks:        --
org:            ORG-SS1267-RIPE
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         syslevel-noc-mnt
created:        2026-04-16T12:39:51Z
last-modified:  2026-05-29T14:31:12Z
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-SS1267-RIPE
org-name:       SysLevel SAS
country:        FR
org-type:       LIR
address:        Dummy address for ORG-SS1267-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        SLAB-EU
mnt-ref:        syslevel-noc-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         syslevel-noc-mnt
created:        2022-02-17T13:55:15Z
last-modified:  2026-05-13T07:42:45Z
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: 2026-06-09T03:24:20Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as198831:as-holycloud	75
RIPE	as52025:as-downstreams-london	422
RIPE	as52025:as-downstreams-ashburn	403
RADB	as-hurricanev6	21146
RIPE	as52025:as-downstreams-stockholm	388
RADB	as-hurricane	25048
RIPE	as211826:as-istq	16
RIPE	as52025:as-downstreams-toronto	473
RIPE	as-retn-actual-v4	12810
RIPE	as52025:as-downstreams-fremont	478
RIPE	as-retn-actual-v6	3968
RIPE	as52025:as-downstreams-kansascity	1103
RIPE	as11967:as-hop179	153
RIPE	as-vm-je-cus	389
RIPE	as52025:as-downstreams-frankfurt	415
RIPE	as52025:as-downstreams-amsterdam	393