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	Prefix	Description
	198.251.31.0/24	Bluefin Trading, LLC

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3257	GTT Communications Inc.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3257	GTT Communications Inc.	✔	✘
	AS8928	GTT Communications Inc.	✔	✘

ASHandle:       AS40521
OrgID:          BTL-35
ASName:         BLUEFIN-TRADING
ASNumber:       40521
RegDate:        2007-05-02
Updated:        2012-03-02
TechHandle:     HOSTM912-ARIN
AbuseHandle:    HOSTM912-ARIN
NOCHandle:      HOSTM912-ARIN
Source:         ARIN



OrgID:          BTL-35
OrgName:        Bluefin Trading, LLC
CanAllocate:    
Street:         41 Madison Avenue
Street:         36th Floor
City:           New York
State/Prov:     NY
Country:        US
PostalCode:     10010
RegDate:        2007-01-11
Updated:        2021-05-26
OrgAdminHandle: HOSTM912-ARIN
OrgTechHandle:  HOSTM912-ARIN
OrgAbuseHandle: HOSTM912-ARIN
Source:         ARIN





OrgAdminHandle:       HOSTM912-ARIN
OrgAdminName:          Hostmaster
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        HOSTM912-ARIN
OrgTechName:           Hostmaster
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       HOSTM912-ARIN
OrgAbuseName:          Hostmaster
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           HOSTM912-ARIN
TechName:              Hostmaster
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          HOSTM912-ARIN
AbuseName:             Hostmaster
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            HOSTM912-ARIN
NOCName:               Hostmaster
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2025-12-24T03:25:33Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-hkt-netvigator	220
ALTDB	as-servercentral-customers	2253
ALTDB	as-jarmtelco	649
RADB	as-hutchcity	8944
RIPE	as-gttcust	89510
RADB	as-hkt-as4515	217