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	Prefix	Description
	149.112.188.0/23	San Francisco Metropolitan Internet Exchange (SFMIX)
	149.112.115.0/24	San Francisco Metropolitan Internet Exchange (SFMIX)
	2620:11a:b002::/48	San Francisco Metropolitan Internet Exchange (SFMIX)

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS35008	Kerfuffle, LLC	✔	✔
	AS32787	Akamai (Prolexic)	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS24482	SG.GS	✔	✔
	AS11404	Wave Broadband	✔	✔
	AS35280	F5 Networks SARL	✔	✔
	AS36351	IBM Cloud	✔	✔
	AS399077	Tcloudnet	✔	✔
	AS4826	Vocus Connect International Backbone	✔	✔
	AS58511	Swoop (Anycast Global Backbone)	✔	✔
	AS30041	Race Tech, LLC	✔	✘
	AS16552	Tiggee LLC	✔	✔
	AS19551	Incapsula Inc	✔	✔
	AS1828	Unitas Global	✔	✔
	AS33353	Sony Interactive Entertainment LLC	✔	✔
	AS17984	PCCW Global (HK) Ltd.	✔	✘
	AS8220	COLT	✔	✔
	AS293	ESnet	✔	✔
	AS17072	TOTAL PLAY TELECOMUNICACIONES SA DE CV	✔	✔
	AS32329	Another Corporate ISP, LLC	✔	✘
	AS9902	NTC Neocom	✔	✔
	AS132203	Tencent	✔	✘
	AS23576	NAVER Cloud Corp.	✔	✘
	AS15830	Equinix, Inc.	✔	✔
	AS6233	xTom	✔	✔
	AS20940	Akamai International B.V.	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS11191	Cal.net, Inc.	✔	✘
	AS38195	Superloop	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS6614	T-Mobile USA, Inc.	✔	✘
	AS22616	ZSCALER, INC.	✔	✘
	AS62642	Bigleaf Networks, Inc.	✔	✘
	AS45102	Alibaba (US) Technology Co., Ltd.	✔	✘
	AS54600	PEG TECH INC	✔	✘
	AS11071	InfoWest	✔	✔
	AS19754	The Fusion Network, LLC	✔	✔
	AS24429	Alibaba Cloud	✔	✔
	AS54825	Equinix Metal (Packet.net)	✔	✔
	AS917	Misaka Network, Inc.	✔	✔
	AS16417	Cisco Systems Ironport Division	✔	✘
	AS40401	Backblaze Inc	✔	✔
	AS8047	GENERAL COMMUNICATION, INC.	✔	✔
	AS41378	Kirino LLC	✔	✔
	AS54994	Meteverse Limited	✔	✔
	AS13414	Twitter Inc.	✔	✔
	AS4455	IX Reach Ltd	✔	✔
	AS2906	Netflix Streaming Services Inc.	✔	✔
	AS398704	STACKS INC	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS62955	eBay, Inc	✔	✔
	AS46886	Tekify Broadband	✔	✘
	AS22697	Roblox	✔	✔
	AS54113	Fastly, Inc.	✔	✔
	AS15211	Square, Inc.	✔	✔
	AS32308	8x8, Inc.	✔	✘
	AS28554	Cablemas Telecomunicaciones SA de CV	✔	✔
	AS40627	RingCentral Inc	✔	✘
	AS6507	Riot Games, Inc	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS13896	8x8, Inc.	✔	✘
	AS40934	Fortinet Inc.	✔	✘
	AS208414	WEDOS Internet, a.s.	✔	✔
	AS25751	Conversant, Inc.	✔	✔
	AS55819	CAMPAIGN MONITOR PTY LTD	✔	✘
	AS42	WoodyNet, Inc.	✔	✔
	AS33425	CoreWeave, Inc	✔	✔
	AS14203	Juniper Networks, Inc.	✔	✔
	AS396298	Acreto	✔	✔
	AS46276	SmarterBroadband	✔	✘
	AS14860	SMARTCOM TELEPHONE, LLC	✔	✔
	AS58907	Acquire BPO Pty Ltd	✔	✘
	AS30103	Zoom Video Communications, Inc	✔	✔
	AS2647	ORANGE BUSINESS COMMUNICATIONS TECHNOLOGY LIMITED	✔	✘
	AS63399	Dialpad, Inc.	✔	✔
	AS16880	TREND MICRO INCORPORATED	✔	✔
	AS55256	Netskope Inc	✔	✘
	AS4213	Krypt Technologies	✔	✔
	AS134521	Dialpad, Inc.	✔	✔
	AS53766	Arista VeloCloud	✔	✔
	AS33548	Unwired Broadband, LLC	✔	✔
	AS396986	Bytedance, Inc. (TikTok)	✔	✔
	AS55219	Cisco Systems, Inc.	✔	✘
	AS25645	Momentum Telecom, Inc.	✔	✘
	AS15695	Expereo International BV	✔	✔
	AS5091	Stripe, Inc.	✔	✘
	AS55244	Blue Origin Enterprises, L.P.	✔	✔
	AS397860	HANKINS INFORMATION TECHNOLOGY	✔	✘
	AS62713	PubMatic, Inc.	✔	✘
	AS62887	WhiteSky Communications, LLC.	✔	✘
	AS27281	Quantcast Corporation	✔	✔
	AS26667	Magnite, Inc.	✔	✘
	AS13335	Cloudflare, Inc.	✘	✔
	AS30286	ThreatMetrix Inc.	✘	✔
	AS12233	Ninja-IX Corporation	✔	✘
	AS8360	Allianz Technology SE	✔	✘
	AS53471	Netskrt	✔	✘
	AS18568	Bidtellect Inc.	✔	✘
	AS26459	The Trade Desk, Inc.	✔	✘
	AS31800	DALnet	✔	✘
	AS4229	Zenlayer Inc	✔	✘
	AS15169	Google LLC	✘	✔

ASHandle:       AS40271
OrgID:          SFMIES
ASName:         SFMIX-TRANSIT
ASNumber:       40271
RegDate:        2024-09-11
Updated:        2024-09-11
Source:         ARIN



OrgID:          SFMIES
OrgName:        San Francisco Metropolitan Internet Exchange (SFMIX)
CanAllocate:    
Street:         PO Box 8243
City:           Emeryville
State/Prov:     CA
Country:        US
PostalCode:     94662
RegDate:        2006-06-27
Updated:        2024-09-27
OrgAdminHandle: MPE54-ARIN
OrgTechHandle:  LASSO11-ARIN
OrgTechHandle:  STRA-ARIN
OrgTechHandle:  TP47-ARIN
OrgAbuseHandle: STRA-ARIN
Source:         ARIN





OrgAdminHandle:       MPE54-ARIN
OrgAdminName:         Matt Peterson
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        LASSO11-ARIN
OrgTechName:          Jonathan Lassoff
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        STRA-ARIN
OrgTechName:           SFMIX Technical Role Account
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        TP47-ARIN
OrgTechName:          Tim Pozar
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       STRA-ARIN
OrgAbuseName:          SFMIX Technical Role Account
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-03-13T03:27:41Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-transroute-spec	19641
RADB	as-hurricane	24681
RADB	as-hurricanev6	20659
ARIN	as-sfmix-rs	7629
ARIN	as-sfmix-transit	700