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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
	5.253.252.0/22	Optinet U.K. Limited
	45.136.108.0/24	Optinet U.K. Limited
	84.38.246.0/24	Harrods International Ltd
	91.201.105.0/24	Guaranty Trust Bank (UK) Limited
	92.118.111.0/24	Optinet U.K. Limited
	176.101.169.0/24	Optinet U.K. Limited
	185.183.20.0/22	Optinet U.K. Limited
	185.187.61.0/24	Optinet U.K. Limited
	185.253.176.0/22	Optinet U.K. Limited
	193.105.189.0/24	Optinet U.K. Limited
	193.247.94.0/24	Optinet U.K. Limited
	193.247.101.0/24	Optinet U.K. Limited
	193.247.103.0/24	Optinet U.K. Limited
	193.247.165.0/24	Optinet U.K. Limited
	195.234.28.0/24	Optinet U.K. Limited
	217.198.183.0/24	Optinet U.K. Limited
	2a0b:180::/29	Optinet U.K. Limited
	2a0d:1e80::/29	Optinet U.K. Limited
	2a10:c740::/29	Optinet U.K. Limited
	2a10:c7c0::/29	Optinet U.K. Limited
	2a10:c8c0::/29	Optinet U.K. Limited
	2a10:c9c0::/29	Optinet U.K. Limited
	2a10:cac0::/29	Optinet U.K. Limited

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS3257	GTT Communications Inc.	✔	✔
	AS6461	Zayo Bandwidth	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS3257	GTT Communications Inc.	✔	✔
	AS25091	IP-Max SA	✔	✔
	AS61049	Exascale Ltd	✔	✔
	AS33891	Core-Backbone GmbH	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✘
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔
	AS34927	iFog GmbH	✔	✘
	AS24940	Hetzner Online GmbH	✔	✔
	AS30781	Free Pro SAS	✔	✔
	AS12552	GlobalConnect (IP-Only)	✔	✔
	AS207841	Inferno Communications Ltd	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS14840	BR.DIGITAL	✔	✘
	AS8220	COLT	✔	✔
	AS215638	Cilix Limited	✔	✘
	AS52320	V.tal (GlobeNet)	✔	✘
	AS7195	EdgeUno	✔	✘
	AS37497	Network Platforms (PTY) LTD	✔	✘
	AS52025	ParadoxNetworks Limited	✔	✘
	AS1828	Unitas Global	✔	✔
	AS48070	DSM (GB) Limited	✔	✘
	AS8708	DIGI ROMANIA S.A.	✔	✘
	AS30844	Liquid Intelligent Technologies	✔	✔
	AS55850	Mercury NZ Limited	✔	✘
	AS13213	THG HOSTING LIMITED	✔	✔
	AS63927	RISE	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS48362	Stadtwerke Feldkirch	✔	✘
	AS202076	Optua Telecommunications Limited	✔	✘
	AS34309	Link11 GmbH	✔	✔
	AS60171	AFR-IX TELECOM S.A.	✔	✔
	AS8455	atom86 BV	✔	✔
	AS61231	Neos Networks (SSE PLC)	✔	✘
	AS399728	P Foundation	✔	✘
	AS6424	EDGOO NETWORKS	✔	✘
	AS41000	Freethought Internet Limited	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS212027	PebbleHost Ltd	✔	✘
	AS204208	Peravix Group LTD	✔	✘
	AS29169	GANDI SAS	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS399486	Virtuo	✔	✘
	AS328748	Agile Solutions Provider (PTY) LTD	✔	✘
	AS42831	UK Dedicated Servers Limited	✔	✘
	AS34549	meerfarbig GmbH & Co. KG	✔	✘
	AS15830	Equinix, Inc.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS3214	xTom GmbH	✔	✘
	AS207113	Cyrus Mbitao trading as Wofbit Networks	✔	✘
	AS37680	Cool Ideas Service Provider (Pty) Ltd	✔	✘
	AS56595	Fluency Communications Ltd	✔	✘
	AS132337	Axclusive	✔	✘
	AS201838	Community Fibre Limited	✔	✘
	AS39122	Blacknight Internet Solutions Limited	✔	✘
	AS47638	Cadence Networks Ltd	✔	✘
	AS38158	PT Cyberindo Aditama	✔	✘
	AS15510	Compuweb Communications Services Limited	✔	✘
	AS42295	TBISS Ltd	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✘
	AS209768	white2net Srl	✔	✘
	AS212655	YouFibre Limited	✔	✘
	AS6206	Netrouting B.V.	✔	✘
	AS42689	Glide Student & Residential Limited	✔	✘
	AS28792	Public Internet Ltd	✔	✘
	AS48825	Fast2host - Fast4networks Ltd	✔	✘
	AS49600	NEAR IP, S.L.	✔	✘
	AS25160	Vorboss Limited	✔	✘
	AS9304	HGC Global Communications Limited	✘	✔
	AS3170	VeloxServ Communications Ltd	✔	✘
	AS8359	MTS PJSC	✘	✔
	AS52075	Wifirst S.A.S.	✔	✘
	AS58453	China Mobile International	✔	✘
	AS37100	SEACOM Limited	✔	✘
	AS37468	Angola Cables	✔	✘
	AS15169	Google LLC	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✔
	AS31500	Global Network Management Inc	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS34087	NTE TELEKOM AS	✔	✘
	AS8966	Etisalat (ETC)	✔	✘
	AS29017	NTT Data Centers (Gyron)	✔	✘
	AS8801	Rocket Fibre Ltd	✔	✘
	AS1031	PEER 1031 LLC	✔	✘
	AS34177	CELESTE SAS	✔	✘
	AS39351	31173 Services AB	✔	✘
	AS18106	Viewqwest Pte Ltd	✔	✘
	AS4455	IX Reach Ltd	✔	✘
	AS206014	SARL IPSET	✔	✘
	AS24482	SG.GS	✔	✘
	AS54309	NEGU	✔	✘
	AS41230	ASK4 Limited	✔	✘
	AS13009	Redcentric Solutions Ltd	✔	✘
	AS13237	euNetworks GmbH	✔	✘
	AS44684	Mythic Beasts Ltd	✔	✘

aut-num:        AS43872
as-name:        OPTINET
org:            ORG-OUL4-RIPE
import:         from AS174 accept ANY
export:         to AS174 announce AS43872
import:         from AS3257 accept ANY
export:         to AS3257 announce AS43872
import:         from AS6461 accept ANY
export:         to AS6461 announce AS43872
import:         from AS1299 accept ANY
export:         to AS1299 announce AS43872
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         uk-optinet-1-mnt
created:        2016-12-20T14:17:07Z
last-modified:  2025-11-28T12:30:51Z
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-OUL4-RIPE
org-name:       Optinet U.K. Limited
country:        GB
org-type:       LIR
address:        Dummy address for ORG-OUL4-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        AR56859-RIPE
mnt-ref:        uk-optinet-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         uk-optinet-1-mnt
created:        2016-12-19T14:53:59Z
last-modified:  2024-04-04T11:04:20Z
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: 2026-03-11T03:24:13Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-hostline	481
RIPE	as25091:as-peers	284
RIPE	as-gttcust6	88898
RIPE	as-manda-linx-peers-v4	413
RIPE	as-manda-linx-peers-v6	422
RIPE	as1299:as-twelve99-eu-v6	94295
RIPE	as1299:as-twelve99-eu-v4	94441
RIPE	as-gttcust	89456
ALTDB	as-jarmtelco	651