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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
	23.235.96.0/20	Alaska Communications Systems Group, Inc.
	63.140.64.0/18	Alaska Communications Systems Group, Inc.
	66.230.80.0/20	Alaska Communications Systems Group, Inc.
	66.230.96.0/19	Alaska Communications Systems Group, Inc.
	69.161.0.0/19	Alaska Communications Systems Group, Inc.
	69.162.192.0/19	Alaska Communications Systems Group, Inc.
	74.124.64.0/18	Alaska Communications Systems Group, Inc.
	74.127.92.0/23	NRTC
	107.152.112.0/20	Alaska Communications Systems Group, Inc.
	162.211.56.0/21	Alaska Communications Systems Group, Inc.
	162.218.128.0/21	Alaska Communications Systems Group, Inc.
	192.83.242.0/24	Yukon Pacific Corporation
	192.234.153.0/24	Valley Hospital Association Inc.
	192.245.44.0/24	City & Borough of Juneau
	198.163.32.0/21	Alaska Communications Systems Group, Inc.
	199.33.240.0/24	Alaska Library Network
	199.58.52.0/24	City & Borough of Juneau
	204.17.139.0/24	Alaska Communications Systems Group, Inc.
	204.17.140.0/24	Alaska Communications Systems Group, Inc.
	204.238.24.0/23
	204.238.26.0/24	Juneau Public Libraries - Douglas Branch
	209.112.128.0/18	Alaska Communications Systems Group, Inc.
	209.112.192.0/19	Alaska Communications Systems Group, Inc.
	209.161.160.0/19	Alaska Fiberstar
	209.193.0.0/18	Alaska Communications Systems Group, Inc.
	216.67.0.0/17	Alaska Communications Systems Group, Inc.
	2001:4948::/32	Alaska Communications Systems Group, Inc.
	2602:233::/32	Alaska Communications Systems Group, Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6461	Zayo Bandwidth	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS396006	SPITwSPOTS	✔	✘
	AS3724	State of Alaska	✔	✘
	AS19127	Heritage NetWorks, LLC	✔	✔
	AS46932	Anchorage School District	✔	✘
	AS15269	ConocoPhillips Company	✔	✘
	AS395475	SnowCloud Services LLC	✔	✔
	AS22079	Alaska Power & Telephone Company	✔	✔
	AS393276	Chugach Electric Association, Inc.	✔	✘
	AS397893	OTZ Telecommunications, LLC	✔	✘
	AS397824	Alaska Permanent Fund Corporation	✔	✔
	AS53942	Cordova Telecom Cooperative, Incorporated	✔	✔
	AS18443	Alyeska Pipeline Service Company	✔	✘
	AS20259	Copper Valley Long Distance, LLC	✔	✔
	AS7774	University of Alaska	✔	✘
	AS400477	Alaska Court System	✔	✔
	AS398361	Horizon Satellite, LLC	✔	✘
	AS54925	Fairbanks North Star Borough School District	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✔
	AS21528	AlasConnect Inc.	✔	✘
	AS22551	Municipality of Anchorage	✔	✘
	AS32643	RESOURCE DATA, INC.	✔	✘
	AS64229	Byte Networking LLC	✔	✘
	AS396483	Northrim Bancorp, Inc.	✔	✘
	AS400696	MIBURA, INC.	✔	✘
	AS397082	Arctic Slope Regional Corporation	✔	✘
	AS54970	NORTHERN AIR CARGO	✔	✘
	AS33751	Bartlett Regional Hospital	✔	✘
	AS40226	Global Credit Union	✔	✘
	AS52025	ParadoxNetworks Limited	✔	✔
	AS36056	Alaska Native Medical Center	✔	✘
	AS394155	Enstar Natural Gas Company	✔	✘
	AS914	MXAK	✔	✘
	AS33168	INLAND IMAGING L.L.C.	✔	✘
	AS3303	Swisscom (Schweiz) AG	✔	✔
	AS64289	Macarne.com	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS26073	Cofractal, Inc.	✔	✔
	AS47689	Pudu, LLC	✔	✔
	AS395823	doof.net	✔	✔
	AS9002	RETN Limited	✔	✔
	AS27523	Kawaii Networks LLC	✔	✔
	AS401703	Ordinal Advisors LLC	✔	✔
	AS205329	Kai-Jung Chen	✔	✔
	AS46997	Black Mesa Corporation	✔	✔
	AS23033	Wowrack.com	✔	✔
	AS55850	Mercury NZ Limited	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS47272	HYEHOST LLC	✔	✔
	AS52210	Accuris Technologies Ltd.	✔	✔
	AS46733	x6c	✔	✔
	AS16909	imput	✔	✔
	AS4474	TCT West, Inc.	✔	✔
	AS400818	Ausra LLC	✔	✔
	AS27578	AirBridge Broadband LLC	✔	✘
	AS62642	Bigleaf Networks, Inc.	✔	✘
	AS7575	Australian Academic and Research Network (AARNet)	✔	✔
	AS11404	Wave Broadband	✔	✔
	AS23428	ServerForge LLC	✔	✔
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✔
	AS400304	Redoubt Networks (Crunchbits)	✔	✔
	AS136557	Host Universal Pty Ltd	✔	✘
	AS50131	Spartan Host Ltd	✔	✔
	AS4213	Krypt Technologies	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS394256	Tech Futures Interactive Inc.	✔	✔
	AS53597	Hoyos Consulting LLC	✔	✔
	AS54429	Local Connectivity Lab	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS36791	Portland Internet Hosting LLC	✔	✔
	AS20055	Ziply Fiber	✔	✔
	AS398465	Rackdog LLC	✔	✘
	AS34927	iFog GmbH	✔	✔
	AS20144	ICANN - L-root	✔	✘
	AS1828	Unitas Global	✘	✔
	AS212895	Johannes Ernst	✘	✔
	AS20326	TeraSwitch Networks Inc.	✘	✔
	AS23459	applebee	✘	✔
	AS4842	Tianhai InfoTech	✔	✘
	AS55818	Matrix Cable Internet Exchange	✔	✘
	AS397326	South Front Networks	✔	✘
	AS62887	WhiteSky Communications, LLC.	✔	✘
	AS10242	US Internet Corp	✔	✘
	AS15169	Google LLC	✘	✔
	AS32133	Ting Fiber Inc.	✔	✘
	AS14746	NocTel Communications, Inc.	✔	✘
	AS3786	LG DACOM Corporation	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS19127	Heritage NetWorks, LLC	✔	✔
	AS396006	SPITwSPOTS	✔	✘
	AS3724	State of Alaska	✔	✘
	AS395475	SnowCloud Services LLC	✔	✔
	AS46932	Anchorage School District	✔	✘
	AS397824	Alaska Permanent Fund Corporation	✔	✔
	AS22079	Alaska Power & Telephone Company	✔	✔
	AS15269	ConocoPhillips Company	✔	✘
	AS393276	Chugach Electric Association, Inc.	✔	✘
	AS53942	Cordova Telecom Cooperative, Incorporated	✔	✔
	AS397893	OTZ Telecommunications, LLC	✔	✘
	AS400477	Alaska Court System	✔	✔
	AS18443	Alyeska Pipeline Service Company	✔	✘
	AS20259	Copper Valley Long Distance, LLC	✔	✔
	AS40226	Global Credit Union	✔	✘
	AS394155	Enstar Natural Gas Company	✔	✘
	AS914	MXAK	✔	✘
	AS7774	University of Alaska	✔	✘
	AS398361	Horizon Satellite, LLC	✔	✘
	AS33168	INLAND IMAGING L.L.C.	✔	✘
	AS54925	Fairbanks North Star Borough School District	✔	✘
	AS21528	AlasConnect Inc.	✔	✘
	AS400696	MIBURA, INC.	✔	✘
	AS32643	RESOURCE DATA, INC.	✔	✘
	AS22551	Municipality of Anchorage	✔	✘
	AS64229	Byte Networking LLC	✔	✘
	AS396483	Northrim Bancorp, Inc.	✔	✘
	AS397082	Arctic Slope Regional Corporation	✔	✘
	AS33751	Bartlett Regional Hospital	✔	✘
	AS54970	NORTHERN AIR CARGO	✔	✘
	AS36056	Alaska Native Medical Center	✔	✘

ASHandle:       AS7782
OrgID:          ACSG-1
ASName:         ALSK-7782
ASNumber:       7782
RegDate:        1997-01-10
Updated:        2012-03-02
Source:         ARIN



OrgID:          ACSG-1
OrgName:        Alaska Communications Systems Group, Inc.
CanAllocate:    
Street:         c/o ACS Internet, Inc.
Street:         600 Telephone Ave.
City:           Anchorage
State/Prov:     AK
Country:        US
PostalCode:     99503
RegDate:        2004-02-24
Updated:        2023-11-15
ReferralServer: rwhois://rwhois.acsalaska.net:4321
OrgAdminHandle: AIA5-ARIN
OrgTechHandle:  AIA5-ARIN
OrgTechHandle:  AIT5-ARIN
OrgTechHandle:  ZA76-ARIN
OrgAbuseHandle: AIA4-ARIN
OrgAbuseHandle: AIA5-ARIN
OrgNOCHandle:   AIA5-ARIN
OrgNOCHandle:   AIN5-ARIN
OrgRoutingHandle:   AIA5-ARIN
OrgDNSHandle:   AIA5-ARIN
Source:         ARIN





OrgAdminHandle:       AIA5-ARIN
OrgAdminName:          ACS Internet - Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        AIA5-ARIN
OrgTechName:           ACS Internet - Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        AIT5-ARIN
OrgTechName:           ACS Internet - Tech
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ZA76-ARIN
OrgTechName:           Ipnetops
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       AIA4-ARIN
OrgAbuseName:          ACS Internet - Abuse
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       AIA5-ARIN
OrgAbuseName:          ACS Internet - Admin
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         AIA5-ARIN
OrgNOCName:            ACS Internet - Admin
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         AIN5-ARIN
OrgNOCName:            ACS Internet - NOC
# Email removed, Log into bgp.tools to see whois emails


OrgRoutingHandle:     AIA5-ARIN
OrgRoutingName:        ACS Internet - Admin
# Email removed, Log into bgp.tools to see whois emails


OrgDNSHandle:         AIA5-ARIN
OrgDNSName:            ACS Internet - Admin
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:27:27Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-acs-transit	34
ARIN	as397824:as-peers	3
ARIN	as-xo-b	58179
ARIN	as-hnw-providers	1
RADB	as-hurricanev6	20185
RADB	as397824:as-peers	3
RIPE	as-transroute-spec	19683
ALTDB	as3742:as-p	96
RADB	as7575:as-peer	256
ARIN	as-alaskaix	15
RADB	as-hurricane	24736
ARIN	as-xo	1