View

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
	178.255.56.0/24	sipsynergy Ltd
	178.255.56.0/21	sipsynergy Ltd
	178.255.57.0/24	sipsynergy Ltd
	178.255.58.0/24	sipsynergy Ltd
	178.255.59.0/24	Customer Allocations
	178.255.60.0/24	DSL Customers
	178.255.61.0/24	Customer Allocations
	178.255.62.0/24	DSL Customers
	178.255.63.0/24	DSL Customers
	185.41.224.0/22	sipsynergy Ltd
	185.41.224.0/24	-
	185.41.225.0/24	-
	185.41.226.0/24	-
	185.41.227.0/24	-

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS13335	Cloudflare, Inc.	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS2914	NTT America, Inc.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS13335	Cloudflare, Inc.	✔	✘
	AS6939	Hurricane Electric LLC	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS2914	NTT America, Inc.	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✘
	AS33891	Core-Backbone GmbH	✔	✘
	AS25091	IP-Max SA	✔	✘
	AS61049	Exascale Ltd	✔	✘
	AS34549	meerfarbig GmbH & Co. KG	✔	✘
	AS6204	INTERKVM HOST SRL	✔	✘
	AS34927	iFog GmbH	✔	✘
	AS7195	EdgeUno	✔	✘
	AS52320	V.tal (GlobeNet)	✔	✘
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✘
	AS52025	ParadoxNetworks Limited	✔	✘
	AS16265	LeaseWeb Network B.V.	✔	✘
	AS3170	VeloxServ Communications Ltd	✔	✘
	AS29075	IELO-LIAZO SERVICES SAS	✔	✘
	AS14840	BR.DIGITAL	✔	✘
	AS3214	xTom GmbH	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS37468	Angola Cables	✔	✘
	AS12552	GlobalConnect (IP-Only)	✔	✘
	AS34309	Link11 GmbH	✔	✘
	AS6424	EDGOO NETWORKS	✔	✘
	AS10099	China Unicom Global	✔	✘
	AS399728	P Foundation	✔	✘
	AS55850	Mercury NZ Limited	✔	✘
	AS3462	HiNet (Chunghwa Telecom)	✔	✘
	AS39351	31173 Services AB	✔	✘
	AS52075	Wifirst S.A.S.	✔	✘
	AS35280	F5 Networks SARL	✔	✘
	AS22356	Durand do Brasil Ltda	✔	✘
	AS58453	China Mobile International	✔	✘
	AS37497	Network Platforms (PTY) LTD	✔	✘
	AS37100	SEACOM Limited	✔	✘
	AS1828	Unitas Global	✔	✘
	AS204208	Peravix Group LTD	✔	✘
	AS207841	Inferno Communications Ltd	✔	✘
	AS200052	Feral.io Ltd	✔	✘
	AS48070	DSM (GB) Limited	✔	✘
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS13237	euNetworks GmbH	✔	✘
	AS30844	Liquid Intelligent Technologies	✔	✘
	AS48362	Stadtwerke Feldkirch	✔	✘
	AS63927	RISE	✔	✘
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS60171	AFR-IX TELECOM S.A.	✔	✘
	AS50304	Blix Solutions AS	✔	✘
	AS1031	PEER 1031 LLC	✔	✘
	AS206735	Novelcomm LP	✔	✘
	AS6661	POST Luxembourg	✔	✘
	AS215638	Cilix Limited	✔	✘
	AS4455	IX Reach Ltd	✔	✘
	AS212027	PebbleHost Ltd	✔	✘
	AS211358	Patrizio Palumbo	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS212396	FyfeWeb Ltd	✔	✘
	AS41000	Freethought Internet Limited	✔	✘
	AS34177	CELESTE SAS	✔	✘
	AS30690	Kazehana Networks LLC	✔	✘
	AS61231	Neos Networks (SSE PLC)	✔	✘
	AS8801	Rocket Fibre Ltd	✔	✘
	AS209735	Lagrange Cloud Technologies Limited	✔	✘
	AS48101	Trooli Ltd.	✔	✘
	AS49600	NEAR IP, S.L.	✔	✘
	AS25369	Hydra Communications Ltd	✔	✘
	AS209768	white2net Srl	✔	✘
	AS39122	Blacknight Internet Solutions Limited	✔	✘
	AS37662	West Indian Ocean Cable Company (WIOCC)	✔	✘
	AS34087	NTE TELEKOM AS	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS57344	Telehouse EAD	✔	✘
	AS399486	Virtuo	✔	✘
	AS29017	NTT Data Centers (Gyron)	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS328748	Agile Solutions Provider (PTY) LTD	✔	✘
	AS5398	Internet one SRL	✔	✘
	AS34428	Giulio Lo Presti	✔	✘
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS43350	NForce Entertainment B.V.	✔	✘
	AS48825	Fast2host - Fast4networks Ltd	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✘
	AS28792	Public Internet Ltd	✔	✘
	AS44684	Mythic Beasts Ltd	✔	✘
	AS200260	Debugged Ltd	✔	✘
	AS209710	SNRD NETWORKS LIMITED	✔	✘
	AS37680	Cool Ideas Service Provider (Pty) Ltd	✔	✘
	AS34979	39D Services LTD	✔	✘
	AS32590	Valve Corporation	✔	✘
	AS202294	Netlojik Bilgi Teknolojileri Sanayi ve Ticaret Limite...	✔	✘
	AS206014	SARL IPSET	✔	✘
	AS198895	Techade Ltd	✔	✘
	AS13009	Redcentric Solutions Ltd	✔	✘
	AS56665	Proximus Luxembourg S.A.	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS212683	Olilo UK & Ireland Ltd	✔	✘
	AS8330	LONAP Ltd	✔	✘
	AS215887	Serhiy Bobrov	✔	✘
	AS24482	SG.GS	✔	✘
	AS62217	Vinters IT Ltd	✔	✘
	AS42689	Glide Student & Residential Limited	✔	✘
	AS42831	UK Dedicated Servers Limited	✔	✘
	AS5713	Telkom SA Ltd.	✔	✘
	AS38158	PT Cyberindo Aditama	✔	✘
	AS36994	Vodacom	✔	✘
	AS15830	Equinix, Inc.	✔	✘
	AS55818	Matrix Cable Internet Exchange	✔	✘
	AS61568	ALOO TELECOM - FSF TECNOLOGIA SA	✔	✘
	AS9009	M247 Europe SRL	✔	✘
	AS204778	Paul Nicholas Lewis	✔	✘
	AS56595	Fluency Communications Ltd	✔	✘
	AS212655	YouFibre Limited	✔	✘
	AS6206	Netrouting B.V.	✔	✘
	AS54309	NEGU	✔	✘
	AS16637	MTN SA (Bayobab)	✔	✘
	AS25160	Vorboss Limited	✔	✘
	AS41230	ASK4 Limited	✔	✘
	AS42295	TBISS Ltd	✔	✘
	AS59816	4on LTD	✔	✘
	AS201838	Community Fibre Limited	✔	✘
	AS28283	Adyl Telecom	✔	✘
	AS47638	Cadence Networks Ltd	✔	✘
	AS20764	CJSC RASCOM	✔	✘
	AS31500	Global Network Management Inc	✔	✘
	AS3216	Vimpelcom PJSC	✔	✘
	AS132337	Axclusive	✔	✘
	AS9050	Orange Romania S.A.	✔	✘
	AS212175	Stelia Ltd	✔	✘
	AS29119	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	✔	✘
	AS8359	MTS PJSC	✔	✘
	AS21215	UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd	✔	✘
	AS39120	Convergenze S.p.A.	✔	✘
	AS12713	Ote SA (Hellenic Telecommunications Organisation)	✔	✘
	AS3223	Voxility LLP	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘

aut-num:        AS51409
as-name:        SIPSYNERGY
org:            ORG-SL834-RIPE
remarks:        *** Telehouse DC
remarks:        ***Transit
export:         to AS174 announce AS-SIPSYNERGY
import:         from AS174 accept ANY
export:         to AS2914 announce AS-SIPSYNERGY
import:         from AS2914 accept ANY
remarks:        ***LONAP Peers
export:         to AS39545 announce AS-SIPSYNERGY
import:         from AS39545 accept AS-FLUIDATA
export:         to AS20940 announce AS-SIPSYNERGY
import:         from AS20940 accept AS-AKAMAI
export:         to AS2818 announce AS-SIPSYNERGY
import:         from AS2818 accept AS-BBC
export:         to AS6939 announce AS-SIPSYNERGY
import:         from AS6939 accept AS-HURRICANE
export:         to AS8468 announce AS-SIPSYNERGY
import:         from AS8468 accept AS-ENTANET
export:         to AS31655 announce AS-SIPSYNERGY
import:         from AS31655 accept AS-GAMMATELECOM
export:         to AS56478 announce AS-SIPSYNERGY
import:         from AS56478 accept AS-ANY
export:         to AS36692 announce AS-SIPSYNERGY
import:         from AS36692 accept AS-OPENDNS
export:         to AS29017 announce AS-SIPSYNERGY
import:         from AS29017 accept AS-GYRON
export:         to AS25577 announce AS-SIPSYNERGY
import:         from AS25577 accept AS-C4L
export:         to AS2906 announce AS-SIPSYNERGY
import:         from AS2906 accept AS-NFLX
export:         to AS8075 announce AS-SIPSYNERGY
import:         from AS8075 accept AS-MICROSOFT
export:         to AS714 announce AS-SIPSYNERGY
import:         from AS714 accept AS-APPLE
export:         to AS46489 announce AS-SIPSYNERGY
import:         from AS46489 accept AS-TWITCH
export:         to AS51043 announce AS-SIPSYNERGY
import:         from AS51043 accept AS-ASPIRE
export:         to AS5607 announce AS-SIPSYNERGY
import:         from AS5607 accept AS-BSKYB-BROADBAND
export:         to AS10310 announce AS-SIPSYNERGY
import:         from AS10310 accept AS-YAHOO
remarks:        ***LINX Peers
export:         to AS5466 announce AS-SIPSYNERGY
import:         from AS5466 accept AS-EIRCOM
export:         to AS10310 announce AS-SIPSYNERGY
import:         from AS10310 accept AS-YAHOO
export:         to AS13285 announce AS-SIPSYNERGY
import:         from AS13285 accept AS-TALKTALK
export:         to AS20940 announce AS-SIPSYNERGY
import:         from AS20940 accept AS-AKAMAI
export:         to AS31084 announce AS-SIPSYNERGY
import:         from AS31084 accept ANY
export:         to AS39545 announce AS-SIPSYNERGY
import:         from AS39545 accept AS-FLUIDATA
export:         to AS13445 announce AS-SIPSYNERGY
import:         from AS13445 accept AS-WEBEX
export:         to AS16509 announce AS-SIPSYNERGY
import:         from AS16509 accept AS-AMAZON
export:         to AS13786 announce AS-SIPSYNERGY
import:         from AS13786 accept AS-SEABORN
export:         to AS714 announce AS-SIPSYNERGY
import:         from AS714 accept AS-APPLE
export:         to AS51043 announce AS-SIPSYNERGY
import:         from AS51043 accept AS-ASPIRE
export:         to AS8365 announce AS-SIPSYNERGY
import:         from AS8365 accept AS-MANDA
export:         to AS39533 announce AS-SIPSYNERGY
import:         from AS39533 accept AS39533:AS-ALL
export:         to AS19679 announce AS-SIPSYNERGY
import:         from AS19679 accept AS-DROPBOX
remarks:        *** Dublin DC
remarks:        ***Transit
export:         to AS6939 announce AS-SIPSYNERGY
import:         from AS6939 accept ANY
remarks:        ***INEX Peering
export:         to AS16509 announce AS-SIPSYNERGY
import:         from AS16509 accept AS-AMAZON
export:         to AS20940 announce AS-SIPSYNERGY
import:         from AS20940 accept AS-AKAMAI
export:         to AS31084 announce AS-SIPSYNERGY
import:         from AS31084 accept ANY
export:         to AS714 announce AS-SIPSYNERGY
import:         from AS714 accept AS-APPLE
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-uk-sipsynergy-1
created:        2010-08-17T10:14:36Z
last-modified:  2020-09-03T09:33:37Z
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-SL834-RIPE
org-name:       sipsynergy Ltd
country:        GB
org-type:       LIR
address:        Dummy address for ORG-SL834-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        ACRO26978-RIPE
mnt-ref:        mnt-uk-sipsynergy-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-uk-sipsynergy-1
created:        2019-03-14T15:18:22Z
last-modified:  2025-12-22T12:08:48Z
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: 2026-02-07T03:23:53Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-kddcustomer2	8206
RIPE	as-lonap-mlp	278
RIPE	as-sipsynergy	1
RADB	as-telstra-intl-customers	12012
RIPE	as-sectorsix	1
RIPE	as-lonap-connected	308
NTTCOM	as2914:as-europe	78083
ARIN	as13335:as-customers	1528
RADB	as-telstra-testing-1	11788
RIPE	as-manda-linx-peers-v4	415