AS11640 Group One Trading LLC

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	74.115.105.0/24	Group One Trading LLC		74.115.104.0/22	ARIN
	74.115.107.0/24	Group One Trading LLC		74.115.104.0/22	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS13738	MRSTOCK-DOWNERS	Group One Trading LLC
	AS174	COGENT-174	Cogent Communications
	AS6939	HURRICANE	Hurricane Electric LLC

• IPv4 Upstreams

Country	ASN	Name	Description
	AS13738	MRSTOCK-DOWNERS	Group One Trading LLC
	AS6939	HURRICANE	Hurricane Electric LLC
	AS174	COGENT-174	Cogent Communications

IPv4 Upstream Graph

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IPv4 Upstream Graph

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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/
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# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber:       11640
ASName:         GROUP-ONE-TRADING
ASHandle:       AS11640
RegDate:        1998-10-30
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/11640


OrgName:        Group One Trading LLC
OrgId:          GOL-3
Address:        425 S Financial Place
Address:        Suite 3400
City:           Chicago
StateProv:      IL
PostalCode:     60605
Country:        US
RegDate:        1999-08-09
Updated:        2023-10-13
Ref:            https://rdap.arin.net/registry/entity/GOL-3


OrgAbuseHandle: GTEAM-ARIN
OrgAbuseName:   G1-TeamSupport
OrgAbusePhone:  +1-215-701-7910 
OrgAbuseEmail:  arinnotifications@group1.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/GTEAM-ARIN

OrgTechHandle: TMD37-ARIN
OrgTechName:   Detrick, Tami Marie
OrgTechPhone:  +1-215-701-7910 
OrgTechEmail:  tami.detrick@group1.com
OrgTechRef:    https://rdap.arin.net/registry/entity/TMD37-ARIN

OrgAbuseHandle: TMD37-ARIN
OrgAbuseName:   Detrick, Tami Marie
OrgAbusePhone:  +1-215-701-7910 
OrgAbuseEmail:  tami.detrick@group1.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TMD37-ARIN

OrgNOCHandle: GTEAM-ARIN
OrgNOCName:   G1-TeamSupport
OrgNOCPhone:  +1-215-701-7910 
OrgNOCEmail:  arinnotifications@group1.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/GTEAM-ARIN

OrgTechHandle: GTEAM-ARIN
OrgTechName:   G1-TeamSupport
OrgTechPhone:  +1-215-701-7910 
OrgTechEmail:  arinnotifications@group1.com
OrgTechRef:    https://rdap.arin.net/registry/entity/GTEAM-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.
#