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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
	66.170.0.0/19	SupraNet Communications, Inc.
	66.170.26.0/24	SupraNet Communications, Inc.
	74.91.96.0/20	Mad City Broadband, Inc.
	162.218.0.0/22	SupraNet Communications, Inc.
	162.250.40.0/22	Mad City Broadband, Inc.
	192.236.29.0/24	Mad City Broadband, Inc.
	192.236.30.0/23	Mad City Broadband, Inc.
	198.27.60.0/22	SupraNet Communications, Inc.
	199.91.248.0/22	SupraNet Communications, Inc.
	2607:f4e0::/32	SupraNet Communications, Inc.
	2607:f4e0:200::/40	SupraNet Communications, Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3257	GTT Communications Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS2914	NTT America, Inc.	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS3257	GTT Communications Inc.	✔	✔
	AS22768	SYNERGY BROADBAND	✔	✘
	AS2914	NTT America, Inc.	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS26073	Cofractal, Inc.	✔	✔
	AS8298	IPng Networks GmbH	✔	✔
	AS21738	Rozint	✔	✔
	AS400587	Ryamer, LLC	✔	✔
	AS32097	WholeSale Internet, Inc.	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS47689	Pudu, LLC	✔	✔
	AS11232	Midcontinent Communications	✔	✔
	AS393577	Tritan Development	✔	✔
	AS4826	Vocus Connect International Backbone	✔	✔
	AS47272	HYEHOST LLC	✔	✔
	AS46733	x6c	✔	✔
	AS52210	Accuris Technologies Ltd.	✔	✔
	AS64289	Macarne.com	✔	✔
	AS1828	Unitas Global	✔	✔
	AS395823	doof.net	✔	✔
	AS9002	RETN Limited	✔	✔
	AS20115	Charter Communications LLC	✔	✘
	AS44324	MoeDove LLC	✔	✔
	AS27523	Kawaii Networks LLC	✔	✔
	AS42615	June Slater	✔	✔
	AS199518	Gregory Shapiro	✔	✔
	AS4474	TCT West, Inc.	✔	✔
	AS16909	imput	✔	✔
	AS401332	Triplebit	✔	✔
	AS400818	Ausra LLC	✔	✔
	AS23428	ServerForge LLC	✔	✔
	AS396998	Path Network, Inc.	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS55850	Mercury NZ Limited	✔	✔
	AS46997	Black Mesa Corporation	✔	✔
	AS60011	Mythic Beasts Ltd	✔	✔
	AS7575	Australian Academic and Research Network (AARNet)	✔	✔
	AS395915	Edge Network Services LLC	✔	✔
	AS23033	Wowrack.com	✔	✔
	AS401703	Ordinal Advisors LLC	✔	✔
	AS53616	Asymptote Network LLC	✔	✔
	AS205329	Kai-Jung Chen	✔	✔
	AS8220	COLT	✔	✔
	AS58057	Securebit AG	✔	✔
	AS924	Cloudie Networks LLC	✔	✔
	AS210667	Adam Goodenough	✔	✔
	AS10750	Mark Twain Rural Telephone Co.	✔	✔
	AS53343	sc Network	✔	✔
	AS12186	GVVME	✔	✔
	AS40350	Key Cooperative	✔	✘
	AS32709	Joink, LLC	✔	✘
	AS54364	Rosen Research LLC	✔	✘
	AS62642	Bigleaf Networks, Inc.	✔	✘
	AS27578	AirBridge Broadband LLC	✔	✘
	AS400719	RJN Services	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS22296	Vorsk LLC	✔	✔
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS35008	Kerfuffle, LLC	✔	✔
	AS24482	SG.GS	✔	✔
	AS54148	Dynamic Quantum Networks	✔	✔
	AS62809	Volt Broadband	✔	✔
	AS10242	US Internet Corp	✔	✔
	AS32133	Ting Fiber Inc.	✔	✔
	AS4213	Krypt Technologies	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS400304	Redoubt Networks (Crunchbits)	✔	✔
	AS20055	Ziply Fiber	✔	✔
	AS398447	OHANACRAFT, LLC	✔	✔
	AS53597	Hoyos Consulting LLC	✔	✔
	AS50131	Spartan Host Ltd	✔	✔
	AS40536	PixelDeck Hosting, LLC	✔	✔
	AS26457	nonexiste.net	✔	✔
	AS216107	Noah van der Aa trading as Frumentum Media	✔	✔
	AS401538	Nova86	✔	✔
	AS30690	Kazehana Networks LLC	✔	✔
	AS25735	Sloth Networks	✔	✔
	AS1003	andrewnet	✔	✔
	AS151349	Yuki Network Ltd	✔	✔
	AS200242	Ember Ana	✔	✔
	AS40916	Evalse, LLC	✔	✔
	AS62887	WhiteSky Communications, LLC.	✔	✘
	AS54429	Local Connectivity Lab	✔	✘
	AS397326	South Front Networks	✔	✘
	AS136557	Host Universal Pty Ltd	✔	✘
	AS398465	Rackdog LLC	✔	✘
	AS140627	OneQode	✔	✘
	AS34927	iFog GmbH	✘	✔
	AS212895	Johannes Ernst	✘	✔
	AS20326	TeraSwitch Networks Inc.	✘	✔
	AS23459	applebee	✘	✔
	AS211358	Patrizio Palumbo	✘	✔
	AS216324	Hyper Group Network Ltd.	✘	✔
	AS397244	Tackitt, Inc.	✘	✔
	AS32943	Web of Nevada	✘	✔
	AS200454	Tomas Oliveira Valente Leite de Castro	✘	✔
	AS150289	Sun Yanzheng	✘	✔
	AS214022	Joseph Rawlings trading as Virtnet.bond	✘	✔

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Downstreams

	ASN	Description	IPv4	IPv6
	AS22768	SYNERGY BROADBAND	✔	✘

ASHandle:       AS4150
OrgID:          SUPN
ASName:         SUPRANET-WIS
ASNumber:       4150
RegDate:        1994-12-15
Comment:        Please report abuse only to: abuse@supranet.net
Updated:        2004-01-13
Source:         ARIN



OrgID:          SUPN
OrgName:        SupraNet Communications, Inc.
CanAllocate:    
Street:         8000 Excelsior Dr.
Street:         Suite 204
City:           Madison
State/Prov:     WI
Country:        US
PostalCode:     53717
Comment:        Please report abuse only to: abuse@supranet.net
RegDate:        1994-12-15
Updated:        2020-08-18
OrgAdminHandle: SAC30-ARIN
OrgTechHandle:  STC1-ARIN
OrgAbuseHandle: SAC31-ARIN
OrgNOCHandle:   SUPPO1504-ARIN
Source:         ARIN





OrgAdminHandle:       SAC30-ARIN
OrgAdminName:          SupraNet Administrative Contact
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        STC1-ARIN
OrgTechName:           SupraNet Technical Contact
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       SAC31-ARIN
OrgAbuseName:          SupraNet Abuse Contact
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         SUPPO1504-ARIN
OrgNOCName:            Support
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:26:38Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-18474	473
ALTDB	as33495:as-members	43202
RADB	as-chtr-bb	646
RIPE	as-gttcust	89510
ARIN	as-supranet-network	1
RADB	as-hurricane	24736
RIPE	as-level3-ipv6	22077
LEVEL3	as-sprint-origins	7309
RADB	as-hurricanev6	20185
RADB	as-13986	474
LEVEL3	as-sprint-customers	1756
ARIN	as-supranet-4150	3
ARIN	as-as33274-mice-rs-peers	100
RIPE	as-gttcust6	88944
RIPE	as-transroute-spec	19683