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#
# 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.
#

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: +1-206-905-5001
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.
#

IPv4 Results:


AS3742 Semaphore Corporation
63.249.0.0 - 63.249.12.255
63.249.24.0 - 63.249.24.255
63.249.26.0 - 63.249.29.255
63.249.31.0 - 63.249.31.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255
127.255.255.255 - 127.255.255.255

IPv6 Results:


AS3742 Semaphore Corporation
2001:5d8:: - 2001:5d8:ffff:ffff:ffff:ffff:ffff:ffff Prefix: 32

WHOIS Lookup

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  • Domain name
  • Autonomous system number (ASN)
  • Company name
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