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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
	44.31.252.0/24	JK1WRB
	2406:7ec0:1000::/48	SDCC-Westv6-01
	2406:7ec0:1001::/48	SDCC-Westv6-01
	2406:7ec0:1002::/48	SDCC-Westv6-01
	2406:7ec0:1003::/48	SDCC-Westv6-01

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation (disabled due to size) Policy ecstatic_hodgkin Policy practical_aryabhata Policy keen_greider Policy hardcore_leakey

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS150369	TelHi Corporation	✔	✔
	AS38074	SDCC Japan-West Area	✘	✔
	AS6939	Hurricane Electric LLC	✘	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS38074	SDCC Japan-West Area	✘	✔
	AS150369	TelHi Corporation	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS152184	Tamukai Network	✘	✔
	AS34927	iFog GmbH	✘	✔
	AS39351	31173 Services AB	✘	✔
	AS57344	Telehouse EAD	✘	✔
	AS59900	B-IX Route Servers	✘	✔
	AS212895	Johannes Ernst	✘	✔
	AS42	WoodyNet, Inc.	✘	✔
	AS210152	Jon Arve Vanvik	✘	✔
	AS64289	Macarne.com	✘	✔
	AS47272	HYEHOST LTD	✘	✔
	AS41051	Freetransit Project (Openfactory GmbH)	✘	✔
	AS52025	ParadoxNetworks Limited	✘	✔
	AS44103	The Mastermind Holding B.V.	✘	✔
	AS59645	Tobias Fiebig	✘	✔
	AS50869	Free-IX Remote Peering	✘	✔
	AS58299	Openfactory GmbH	✘	✔
	AS199310	XIN BING XIAN	✘	✔
	AS61049	Exascale Limited	✘	✔
	AS215956	Dennis de Houx trading as All In One	✘	✔
	AS213045	Alex Delporte	✘	✔
	AS215887	Serhiy Bobrov	✘	✔
	AS212123	Jori Vanneste	✘	✔
	AS215828	Tizian Maxime Weigt trading as "TMW Global Networks"	✘	✔
	AS209022	Tschajera Limited	✘	✔
	AS202427	Ursin Filli	✘	✔
	AS214757	Jakub Krsa	✘	✔
	AS44324	MoeDove LLC	✘	✔
	AS13852	KLAB NETWORKS LLC	✘	✔
	AS11967	Hop179 LLC	✘	✔
	AS8298	IPng Networks GmbH	✘	✔
	AS211358	Patrizio Palumbo	✘	✔
	AS47778	Sunoaki Network LLC	✘	✔
	AS213409	Daniil Koval	✘	✔
	AS200132	Peter-Paul Maria Kurstjens	✘	✔
	AS60326	MrSheepNET LTD	✘	✔
	AS215680	Luc Haaijer trading as Ferox Hosting	✘	✔
	AS63800	SERVER-G Group	✔	✔
	AS214145	Seyed Pouria Mousavizadeh Tehrani	✘	✔
	AS47689	Pudu, LLC	✘	✔
	AS41047	Bart Vrancken trading as MLaB	✘	✔
	AS212635	Jurrian van Iersel	✘	✔
	AS215147	Schleyer-EDV UG	✘	✔
	AS204508	Gatterer Manuel trading as MLGT	✘	✔
	AS216324	Hyper Group Network Ltd.	✘	✔
	AS199518	Gregory Shapiro	✘	✔
	AS198734	Bojin Li	✘	✔
	AS60900	Ssmidge LLC	✘	✔
	AS210667	Adam Goodenough	✘	✔
	AS59678	SYSTEM36 LLC	✘	✔
	AS140731	TOHU Public Internet	✘	✔
	AS216107	Noah van der Aa trading as Frumentum Media	✘	✔
	AS51087	Bling Network LLC	✘	✔
	AS213092	Marble Information Systems Limited	✘	✔
	AS200372	Lars Ewald	✘	✔
	AS214701	Herman Andgart	✘	✔
	AS200879	John Carlo Olideles	✘	✔
	AS199183	Arjen Olaf Essink	✘	✔
	AS207803	Emenders BV	✘	✔
	AS209652	LUNGU Cristian	✘	✔
	AS213579	Leon Hubrich	✘	✔
	AS57521	Simplysoft GmbH	✘	✔
	AS209823	Enki Multimedia EURL	✘	✔
	AS210562	WURZELLOS LLC	✘	✔
	AS214770	RGN Holding Ltd.	✘	✔
	AS924	Cloudie Networks LLC	✘	✔
	AS151381	CIRCLE	✔	✔
	AS208814	Tilman Schaefers	✘	✔
	AS214930	Alice Wyan Garcia Martin	✘	✔
	AS200242	Ember Ana	✘	✔
	AS215750	DAQIAN HUANG	✘	✔
	AS198378	Michel Stam	✘	✔
	AS199488	Niklas Tom Teide Fricke	✘	✔
	AS205232	Felix Alcantara	✘	✔
	AS200676	Svens Jansons	✘	✔
	AS216447	Azusa Takemae	✘	✔
	AS215007	BOZHAN LIANG	✘	✔
	AS214675	Hidenori Matsuo	✘	✔
	AS47536	PathConnect GmbH	✘	✔
	AS44570	Xodo Technology, LLC.	✘	✔
	AS208768	Constantine Evans	✘	✔
	AS215296	Raoul Brouns	✘	✔
	AS208059	Hermann Lienstromberg	✘	✔
	AS214818	Will Wilson	✘	✔
	AS204406	Rudolf Maduro	✘	✔
	AS214022	Joseph Rawlings trading as Virtnet.bond	✘	✔
	AS211696	Jae Lo Presti	✘	✔
	AS198016	Michael Kieser	✘	✔
	AS197532	Bart Hooft	✘	✔
	AS215364	Infinitron Internet LLC	✘	✔
	AS205794	JINZE YANG	✘	✔
	AS215223	Mohammad Raska	✘	✔
	AS215216	Barry Ruetten	✘	✔
	AS45009	Rogier Krieger	✘	✔
	AS213929	Maceo Sahli	✘	✔
	AS53343	sc Network	✘	✔
	AS212746	Daniel Rieper	✘	✔
	AS212703	Wieger Bontekoe	✘	✔
	AS199471	Marcel Straub	✘	✔
	AS207445	Vincent Maroun	✘	✔
	AS216333	NetDev UG (haftungsbeschraenkt)	✘	✔
	AS205102	Steven Honson	✘	✔
	AS199918	Wilton Arthur Poth	✘	✔
	AS216369	Jakob Kampichler	✘	✔
	AS204611	Giuseppe Augiero	✘	✔
	AS54148	Dynamic Quantum Networks	✘	✔
	AS44354	BROCK VOJKOVIC	✘	✔
	AS205929	Abzieher GmbH	✘	✔
	AS207079	Adrian Hiller	✘	✔
	AS207947	Karl Unlimited AB	✘	✔
	AS201723	R. van der Meijden	✘	✔
	AS202224	Giannis Kontos	✘	✔
	AS135103	Alex Neo	✘	✔
	AS58280	Massimiliano Andrea Stucchi	✘	✔
	AS56758	Cr0bar Limited	✘	✔
	AS112	AS112 Project	✘	✔
	AS213052	Bram Wittendorp trading as BittenBytes	✘	✔
	AS134666	Hoshi Network	✘	✔
	AS206125	Nicklas Yli-Länttä	✘	✔
	AS216452	Edvin Basil Samuval	✘	✔
	AS207439	Korves.Net USA LLC	✘	✔
	AS215011	Matthieu Gouel	✘	✔
	AS213234	Cagir Ltd	✘	✔
	AS212934	Accuris Technologies Ltd.	✘	✔
	AS204931	PNO Solutions Limited	✘	✔
	AS216305	Cong Zhang	✘	✔
	AS197434	Alexander Nau	✘	✔
	AS200360	Cooper Greer	✘	✔
	AS214006	Maartje Eyskens	✘	✔
	AS209294	Fan Zhang	✘	✔
	AS202262	Lucas Ridder trading as LR Techniek	✘	✔
	AS210732	Alexandre FERNANDES (VUAFGROUP SAS)	✘	✔
	AS213576	Robert Weir	✘	✔
	AS197438	Julius Birkhofen	✘	✔
	AS214527	Frederic Arroyo	✘	✔
	AS211024	Jack O'Sullivan	✘	✔
	AS214514	Henry Clarke	✘	✔
	AS209606	Beyond Orbit Ltd.	✘	✔
	AS212793	Xiwei Ye	✘	✔
	AS401267	VERIRA LLC	✘	✔
	AS215615	David Svanlund	✘	✔
	AS50272	AVUR AS	✘	✔
	AS209718	Jori Vanneste	✘	✔
	AS214643	STARINA INTERNATIONAL GROUP INC	✘	✔
	AS215899	Justas Gudynas	✘	✔
	AS51019	Kjartan Hrafnkelsson	✘	✔
	AS213768	Thomas Neumann	✘	✔
	AS199763	Piotr Chrzanowski	✘	✔
	AS59098	Mamireimu Net Work's	✔	✔
	AS210397	Phillip Steffenhagen	✘	✔
	AS211194	ITMG-Consulting SAS	✘	✔
	AS35202	Samuel Aschwanden	✘	✔
	AS213655	Akshit Garg	✘	✔
	AS213865	Nurullah Ates	✘	✔
	AS56883	Airmass 1 AB	✘	✔
	AS200605	Alexander Samoylyk	✘	✔
	AS150000	Data-Beam Business Solution	✘	✔
	AS214117	Stuart Williams	✘	✔
	AS199591	Evaldo Gardenal	✘	✔
	AS215258	Jugendpresse Hessen e.V.	✘	✔
	AS203888	USKVM LLC	✘	✔
	AS213288	iFog GmbH	✘	✔
	AS205154	Internetmanufaktur Karlsruhe UG (haftungsbeschraenkt)	✘	✔
	AS142553	Airs Project Private Network Main	✘	✔
	AS208907	Chris Lawrence	✘	✔
	AS213423	Lukas Hagen	✘	✔
	AS203062	Alexandre Roux	✘	✔
	AS207424	Max Ouwens	✘	✔
	AS215509	Nico Boehr	✘	✔
	AS212370	Adrian Pekunov	✘	✔
	AS206292	Gerdriaan Mulder	✘	✔
	AS211581	Zion Boetzel	✘	✔
	AS205755	SDNBUCKS BV	✘	✔
	AS199392	SHIZHENG NIE	✘	✔
	AS203069	Thomas Riley Brown	✘	✔
	AS216052	Craig Schulz	✘	✔
	AS203405	Lin Kai-Lun	✘	✔
	AS205920	iFog GmbH	✘	✔
	AS213428	CHIEH SHENG LIN	✘	✔
	AS210836	Edward Behling	✘	✔
	AS213880	Jorge Janaite Neto	✘	✔
	AS215872	Yamine BULACH	✘	✔
	AS210076	Beat Joerg	✘	✔
	AS204082	Philippe Bonvin	✘	✔
	AS209878	RackFarm	✘	✔
	AS214522	Arnau Barbero	✘	✔
	AS37989	DCS1	✘	✔
	AS150368	KLNetwork	✘	✔
	AS209245	Federico Martinez Fernandez	✘	✔
	AS211671	Peter Hurtenbach	✘	✔
	AS198660	Martin Arendtsen	✘	✔
	AS202418	Hendrik George Koren	✘	✔
	AS215250	Tobias Fiebig	✘	✔
	AS3856	Packet Clearing House, Inc.	✘	✔
	AS213015	Daniel Neri	✘	✔
	AS53727	Penguin Networks	✘	✔
	AS215135	Anthony Garced	✘	✔
	AS208171	CSO S.r.l.s.	✘	✔
	AS215499	Richard Franks	✘	✔
	AS207176	OPENFIBER B.V.	✘	✔
	AS202729	Jennifer Graul	✘	✔
	AS212467	Mandelbit SRL	✘	✔
	AS212855	Jelle Luteijn	✘	✔
	AS212762	Casper Krook trading as Ck IT Solutions	✘	✔
	AS48297	The Penguin Collective Ltd	✘	✔
	AS215470	LAZCO STUDIO LTD	✘	✔
	AS212125	Franz Abzieher	✘	✔
	AS213543	Alexander Jones	✘	✔
	AS215561	Stefan Eikenbusch	✘	✔
	AS208453	Johan Karlsson (SweHosting)	✘	✔
	AS215332	Lewis Foster	✘	✔
	AS200708	Hugo Rodrigues Da Costa	✘	✔
	AS213605	Liu HaoRan	✘	✔
	AS214810	Mitchell van der Velden	✘	✔
	AS205602	Seamus Caveney	✘	✔
	AS216469	Ismail Fayaz trading as PIONEN	✘	✔
	AS199177	Tanyu Trifonov	✘	✔
	AS215131	Bram van de Burgt	✘	✔
	AS207149	Julien Sansonnens	✘	✔
	AS215248	Bastiaan Mathijs Brink	✘	✔
	AS197814	Malte Bittner	✘	✔
	AS214076	Michael Ecker	✘	✔
	AS211623	NAML B.V.	✘	✔
	AS200809	QUN LIN	✘	✔
	AS202512	Aramis A Eraslan	✘	✔
	AS200800	Zurganf Ltd	✘	✔
	AS207941	JITEN PATHY	✘	✔
	AS215150	Shawn Maurin	✘	✔
	AS216427	Andreas Duering	✘	✔

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS152184	Tamukai Network	✘	✔

aut-num:        AS150325
as-name:        TSUKUDANI-NETWORK
descr:          TSUKUDANI NETWORK
descr:          1220-2, Kunugida-machi, Hachioji-shi, Tokyo, Japan 193-0997
country:        JP
import:         from AS41051 accept ANY
import:         from AS44570 accept ANY
import:         from AS20473 accept ANY
import:         from AS34927 accept ANY
export:         to AS41051 announce AS150325
export:         to AS20473 announce AS150325
export:         to AS34927 announce AS150325
export:         to AS44570 announce AS150325
org:            ORG-TN18-AP
sponsoring-org: ORG-AA222-AP
admin-c:        TNA61-AP
tech-c:         TNA61-AP
abuse-c:        AT1700-AP
mnt-routes:     MAINT-TSUKUDANINETWORK-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-TSUKUDANINETWORK-JP
last-modified:  2024-05-04T13:56:35Z
source:         APNIC


organisation:   ORG-TN18-AP
org-name:       TSUKUDANI NETWORK
org-type:       OTHER
address:        1220-2, Kunugida-machi, Hachioji-shi, Tokyo, Japan 193-0997
country:        JP
phone:          +81-8021604636
e-mail:         ********
admin-c:        TNA61-AP
tech-c:         TNA61-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T04:21:00Z
source:         APNIC

Last Update: 2025-04-17T03:22:31Z UTC

---

Member of the following AS-SETs

-	Member
RIPE	as-ifog-us
RIPE	as-4ixp-rs
APNIC	as9928:as-ix
JPIRR	as-sakura
RIPE	as-taterli
ALTDB	as-ifog
RIPE	as-4ixpv6
RIPE	as-ifog
JPIRR	as-dodo
ARIN	as53388:as-cone
RADB	as-bbix-t
RADB	as-telstra-intl-customers
RADB	as-gctr-jp
RIPE	as52025:as-downstreams-kansascity
RADB	as-kddi6
APNIC	as149852:as-yasudanet
RADB	as-kdd
RADB	as-mesh-customer:as59105
RADB	as-bbix-t-v6
RADB	as-hurricanev6
JPIRR	as-iij
JPIRR	as-bbix-t-v6
JPIRR	as-mesh-customer:as59105
RADB	as-iij6
JPIRR	as-dodo-core
JPIRR	as59105:as-homenoc
RADB	as-sakura
JPIRR	as-homenoc
APNIC	as9409:as-rapidfirey-customers
RADB	as-iij
RIPE	as-fogixp
RIPE	as-4ixp
APNIC	as-tsukudani
JPIRR	as-iij6
RIPE	as-bgpexchange-peers
JPIRR	as-gctr-jp
JPIRR	as-bbix-t