AS3742 Semaphore Corporation

• IPv4 Prefixes
• IPv6 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	63.249.0.0/19	Semaphore Corporation		63.249.0.0/19	ARIN
	206.208.40.0/21	Semaphore Corporation		206.208.40.0/21	ARIN
	209.221.128.0/18	Semaphore Corporation		209.221.128.0/18	ARIN

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	2001:5d8::/32	Semaphore Corporation		2001:5d8::/32	ARIN

• IPv4 Peers
• IPv6 Peers

Country	ASN	Name	Description	IPv6
	AS2914	NTT-DATA-2914	NTT America, Inc.
	AS22030	ZIPCON-AS-1	Zipcon LLC
	AS6939	HURRICANE	Hurricane Electric LLC
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS18106	VIEWQWEST-SG-AP	Viewqwest Pte Ltd
	AS394492	USEI	US Electrodynamics, Inc.

Country	ASN	Name	Description	IPv4
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS2914	NTT-DATA-2914	NTT America, Inc.
	AS6939	HURRICANE	Hurricane Electric LLC
	AS58511	ANYCAST-GLOBAL-BACKBONE	Anycast Global Backbone
	AS18106	VIEWQWEST-SG-AP	Viewqwest Pte Ltd
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier

• IPv4 Upstreams
• IPv6 Upstreams

Country	ASN	Name	Description	IPv6
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS2914	NTT-DATA-2914	NTT America, Inc.
	AS6939	HURRICANE	Hurricane Electric LLC

IPv4 Upstream Graph

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IPv4 Upstream Graph

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Country	ASN	Name	Description	IPv4
	AS1299	TWELVE99	Arelion, f/k/a Telia Carrier
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS2914	NTT-DATA-2914	NTT America, Inc.
	AS6939	HURRICANE	Hurricane Electric LLC

IPv6 Upstream Graph

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IPv6 Upstream Graph

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• IPv4 Downstreams

Country	ASN	Name	Description
	AS394492	USEI	US Electrodynamics, Inc.
	AS22030	ZIPCON-AS-1	Zipcon LLC

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       3742
ASName:         SEMAPHORE-1
ASHandle:       AS3742
RegDate:        1994-08-01
Updated:        2003-01-15    
Ref:            https://rdap.arin.net/registry/autnum/3742


OrgName:        Semaphore Corporation
OrgId:          SEMA
Address:        2001 6th Avenue, Suite 1700
City:           Seattle
StateProv:      WA
PostalCode:     98121
Country:        US
RegDate:        1994-08-01
Updated:        2022-12-05
Ref:            https://rdap.arin.net/registry/entity/SEMA


OrgNOCHandle: NOC286-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-206-905-6000 
OrgNOCEmail:  noc@semaphore.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC286-ARIN

OrgTechHandle: AGNEW27-ARIN
OrgTechName:   Agnew, John 
OrgTechPhone:  +1-206-919-0594 
OrgTechEmail:  john@semaphore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/AGNEW27-ARIN

OrgTechHandle: VD55-ARIN
OrgTechName:   Dylan, Vanderhoof 
OrgTechPhone:  +1-206-905-5000 
OrgTechEmail:  llarian@llarian.net
OrgTechRef:    https://rdap.arin.net/registry/entity/VD55-ARIN

OrgAbuseHandle: ABUSE174-ARIN
OrgAbuseName:   Abuse
OrgAbusePhone:  +1-206-905-6000 
OrgAbuseEmail:  abuse@semaphore.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE174-ARIN

OrgTechHandle: NA15-ORG-ARIN
OrgTechName:   Network Address Change Request
OrgTechPhone:  +1-206-905-6000 
OrgTechEmail:  nacr@semaphore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NA15-ORG-ARIN

OrgTechHandle: GB31-ARIN
OrgTechName:   Brown, Garth S
OrgTechPhone:  +1-206-905-5000 
OrgTechEmail:  garthb@semaphore.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GB31-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#