AS40089 Bullhorn Inc.

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	52.129.16.0/24	Bullhorn Inc.		52.129.16.0/22	ARIN
	52.129.17.0/24	Bullhorn Inc.		52.129.16.0/22	ARIN
	52.129.18.0/24	Bullhorn Inc.		52.129.16.0/22	ARIN
	52.129.19.0/24	Bullhorn Inc.		50.115.80.0/20	ARIN
	204.62.52.0/24	Bullhorn Inc.		204.62.52.0/22	ARIN
	204.62.53.0/24	Bullhorn Inc.		204.62.52.0/22	ARIN
	204.62.54.0/24	Bullhorn Inc.		207.8.0.0/17	ARIN
	204.62.55.0/24	Bullhorn Inc.		204.62.52.0/22	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS174	COGENT-174	Cogent Communications
	AS23005	SWITCH-LTD	SWITCH, LTD
	AS12129	123NET	123.Net, Inc.
	AS22911	SINAP-TIX	SINAP-TIX, LLC
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS3257	GTT-BACKBONE	GTT
	AS6461	ZAYO-6461	Zayo Bandwidth

• IPv4 Upstreams

Country	ASN	Name	Description
	AS23005	SWITCH-LTD	SWITCH, LTD
	AS174	COGENT-174	Cogent Communications
	AS12129	123NET	123.Net, Inc.
	AS3257	GTT-BACKBONE	GTT
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS22911	SINAP-TIX	SINAP-TIX, LLC

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:       40089
ASName:         BULLHORN-INC-BOSTON
ASHandle:       AS40089
RegDate:        2006-06-22
Updated:        2012-03-02    
Ref:            https://rdap.arin.net/registry/autnum/40089


OrgName:        Bullhorn Inc.
OrgId:          BULLH-1
Address:        Bullhorn Inc.
Address:        100 Summer Street
City:           Boston
StateProv:      MA
PostalCode:     02210
Country:        US
RegDate:        2006-06-16
Updated:        2016-12-22
Ref:            https://rdap.arin.net/registry/entity/BULLH-1


OrgTechHandle: NETWO7891-ARIN
OrgTechName:   Network Engineer
OrgTechPhone:  +1-617-599-6533 
OrgTechEmail:  cbeck@bullhorn.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO7891-ARIN

OrgAbuseHandle: BTOON-ARIN
OrgAbuseName:   Btooncall
OrgAbusePhone:  +1-888-465-4838 
OrgAbuseEmail:  btooncall@bullhorn.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BTOON-ARIN

OrgTechHandle: RICHA249-ARIN
OrgTechName:   Richards, Robert 
OrgTechPhone:  +1-617-478-9100 
OrgTechEmail:  r.richards@bullhorn.com
OrgTechRef:    https://rdap.arin.net/registry/entity/RICHA249-ARIN

OrgNOCHandle: BTOON-ARIN
OrgNOCName:   Btooncall
OrgNOCPhone:  +1-888-465-4838 
OrgNOCEmail:  btooncall@bullhorn.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/BTOON-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.
#