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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
	77.87.144.0/22	Synapse Network LTD
	77.87.148.0/22	Synapse Network LTD
	91.216.176.0/24	Private "Stock company "Sater"
	92.249.64.0/18	Synapse Network LTD
	141.98.109.0/24	-
	178.54.0.0/17	Synapse Network LTD
	178.54.4.0/24	Synapse Network LTD
	178.54.5.0/24	Synapse Network LTD
	178.54.6.0/24	Synapse Network LTD
	178.54.7.0/24	Synapse Network LTD
	178.54.8.0/24	Synapse Network LTD
	178.54.9.0/24	Synapse Network LTD
	178.54.10.0/24	Synapse Network LTD
	178.54.11.0/24	Synapse Network LTD
	178.54.120.0/24	Synapse Network LTD
	178.54.121.0/24	Synapse Network LTD
	193.201.80.0/23	Synapse Network LTD
	194.0.88.0/22	Synapse Network LTD
	194.0.88.0/23	Synapse Network LTD
	194.0.90.0/23	Synapse Network LTD
	195.69.84.0/23	Synapse Network LTD
	195.69.84.0/22	Synapse Network LTD
	195.69.86.0/23	Synapse Network LTD
	2001:67c:2b14::/48	Synapse Network LTD
	2a07:76c0:2::/48	-

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6698	Virtual Systems LLC	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS13249	PRIVATE JOINT STOCK COMPANY "DATAGROUP"	✔	✔
	AS6762	Telecom Italia Sparkle (Seabone)	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS6698	Virtual Systems LLC	✔	✘
	AS49561	LLC "VECHIR TELECOM"	✔	✘
	AS41985	Stargroup LLC	✔	✘
	AS13249	PRIVATE JOINT STOCK COMPANY "DATAGROUP"	✔	✔
	AS21308	Synapse Ukraine LLC	✔	✔
	AS56433	LocalNet Ltd.	✔	✘
	AS3356	Lumen (Level 3)	✔	✘
	AS6762	Telecom Italia Sparkle (Seabone)	✔	✘
	AS24940	Hetzner Online GmbH	✔	✘
	AS3303	Swisscom (Schweiz) AG	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS42739	Hawe Telekom S.A. in Restructuring	✔	✘
	AS209823	Enki Multimedia EURL	✔	✘
	AS211623	NAML B.V.	✔	✘
	AS199524	Gcore S.A.	✔	✘
	AS13335	Cloudflare, Inc.	✔	✘
	AS207994	Blockchain Creek B.V.	✔	✘
	AS16276	OVH SAS	✔	✘
	AS47536	PathConnect GmbH	✔	✘
	AS57344	Telehouse EAD	✔	✘
	AS8772	NetAssist LLC	✔	✘
	AS8801	Rocket Fibre Ltd	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✘
	AS44901	Belcloud LTD	✔	✘
	AS6663	Türk Telekom International	✔	✘
	AS30860	Virtual Systems LLC	✔	✘
	AS24482	SG.GS	✔	✘
	AS9050	Orange Romania S.A.	✔	✘
	AS57349	DEPS INVEST LLC	✔	✘
	AS24724	Atman Sp. z o.o.	✔	✘
	AS50392	LLC Campus Networks	✔	✘
	AS59514	PE Kucherenko V.V.	✔	✘
	AS200000	Hosting Ukraine LTD	✔	✘
	AS35320	Eurotranstelecom Ltd	✔	✘
	AS14840	BR.DIGITAL	✔	✘
	AS22356	Durand do Brasil Ltda	✔	✘
	AS207176	OPENFIBER B.V.	✔	✘
	AS34170	Aztelekom LLC	✔	✘
	AS1820	WNET TELECOM USA Corp.	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS56668	FOP Demchuk Sergiy Olexandrovuch	✔	✘
	AS29049	Delta Telecom Ltd	✔	✘
	AS132337	Axclusive	✔	✘
	AS199081	Lancom Ltd.	✔	✘
	AS49581	Ferdinand Zink trading as Tube-Hosting	✔	✘
	AS263444	Open X Tecnologia Ltda	✔	✘

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS41985	Stargroup LLC	✔	✘
	AS49561	LLC "VECHIR TELECOM"	✔	✘
	AS56433	LocalNet Ltd.	✔	✘
	AS21308	Synapse Ukraine LLC	✔	✔
	AS57349	DEPS INVEST LLC	✔	✘

aut-num:        AS29107
as-name:        SYNAPSE-AS
org:            ORG-SNL94-RIPE
remarks:        ------------------------------------------------------------------------
remarks:        AS29107 UPLINKS Peerings
remarks:        ------------------------------------------------------------------------
import:         from AS174 action pref=100; accept ANY
export:         to AS174 announce AS-SYNAPSE
import:         from AS6939 action pref=100; accept ANY
export:         to AS6939 announce AS-SYNAPSE
import:         from AS1299 action pref=100; accept ANY
export:         to AS1299 announce AS-SYNAPSE
import:         from AS6698 action pref=100; accept ANY
export:         to AS6698 announce AS-SYNAPSE
import:         from AS15895 action pref=100; accept { 0.0.0.0/0 }
export:         to AS15895 announce { 194.0.90.0/24 }
import:         from AS13249 action pref=100; accept ANY
export:         to AS13249 announce AS-SYNAPSE
import:         from AS3257 action pref=100; accept ANY
export:         to AS3257 announce AS-SYNAPSE
import:         from AS3356 action pref=100; accept ANY
export:         to AS3356 announce AS-SYNAPSE
import:         from AS30860 action pref=100; accept ANY
export:         to AS30860 announce AS-SYNAPSE
remarks:        ------------------------------------------------------------------------
remarks:        AS29107 CLIENTS Peerings
remarks:        ------------------------------------------------------------------------
import:         from AS29390 action pref=20; accept AS29390
export:         to AS29390 announce ANY
import:         from AS39148 action pref=20; accept AS39148
export:         to AS39148 announce ANY
import:         from AS42434 action pref=20; accept AS42434
export:         to AS42434 announce ANY
import:         from AS44379 action pref=20; accept AS44379
export:         to AS44379 announce ANY
import:         from AS44303 action pref=20; accept AS44303
export:         to AS44303 announce ANY
import:         from AS34633 action pref=20; accept AS-UKRINDEX
export:         to AS34633 announce ANY
import:         from AS43139 action pref=20; accept AS-MAXIMUM
export:         to AS43139 announce ANY
import:         from AS15929 action pref=20; accept AS15929
export:         to AS15929 announce ANY
import:         from AS56433 action pref=20; accept AS56433
export:         to AS56433 announce ANY
import:         from AS52119 action pref=20; accept AS52119
export:         to AS52119 announce ANY
import:         from AS49561 action pref=20; accept AS49561
export:         to AS49561 announce ANY
import:         from AS200000 action pref=20; accept AS200000
export:         to AS200000 announce ANY
import:         from AS200000 action pref=20; accept AS-DELTAX
export:         to AS200000 announce ANY
remarks:        ------------------------------------------------------------------------
remarks:        AS29107 UA Peerings
remarks:        ------------------------------------------------------------------------
import:         from AS15645 action pref=50; accept AS-UAIX
export:         to AS15645 announce AS-SYNAPSE
import:         from AS29632 action pref=60; accept AS-NETASSIST AS-UAIX
export:         to AS29632 announce AS-SYNAPSE
import:         from AS35297 action pref=60; accept AS-DL-UA
export:         to AS35297 announce AS-SYNAPSE
import:         from AS31210 action pref=50; accept AS-DTEL-IX
export:         to AS31210 announce AS-SYNAPSE
import:         from AS59613 action pref=50; accept AS-UBNIX
export:         to AS59613 announce AS-SYNAPSE
sponsoring-org: ORG-LW50-RIPE
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SYNAPSE-MNT
created:        2003-06-05T10:21:52Z
last-modified:  2025-05-30T23:54:42Z
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-SNL94-RIPE
org-name:       Synapse Network LTD
country:        GB
org-type:       OTHER
address:        Dummy address for ORG-SNL94-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        ACRO57182-RIPE
mnt-ref:        SYNAPSE-MNT
mnt-by:         SYNAPSE-MNT
created:        2024-07-29T10:29:08Z
last-modified:  2026-05-13T05:17:01Z
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: 2026-06-09T03:23:48Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as21011:as-colocall	21
RIPE	as-synapse	79
RADB	as-hurricane	24939
LEVEL3	as-level3-origins-eu	0
RIPE	as-gttcust6	91134
RIPE	as-transroute-spec	19620
RIPE	as15895:as-all	1469
LEVEL3	as-level3-origins-na	0
RIPE	as-vsys	150
RIPE	as-gttcust	91697
RIPE	as-ggt	230
LEVEL3	as-lumen-customers-asns	10695