AS394804 Carrizo Oil & Gas, Inc.

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	8.33.225.0/24	Level 3 Parent, LLC		8.0.0.0/9	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS174	COGENT-174	Cogent Communications
	AS3356	LEVEL3	Level 3 Parent, LLC

• IPv4 Upstreams

Country	ASN	Name	Description
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS174	COGENT-174	Cogent Communications

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.
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ASNumber:       394804
ASName:         CARRIZO-ASN
ASHandle:       AS394804
RegDate:        2016-01-07
Updated:        2016-01-07    
Ref:            https://rdap.arin.net/registry/autnum/394804


OrgName:        Carrizo Oil & Gas, Inc.
OrgId:          COG-60
Address:        500 Dallas St., Ste 2300
City:           Houston
StateProv:      TX
PostalCode:     77002
Country:        US
RegDate:        2015-11-02
Updated:        2015-11-02
Ref:            https://rdap.arin.net/registry/entity/COG-60


OrgAbuseHandle: HOSTM2037-ARIN
OrgAbuseName:   Hostmaster
OrgAbusePhone:  +1-281-589-5200 
OrgAbuseEmail:  dhepler@callon.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/HOSTM2037-ARIN

OrgTechHandle: HOSTM2037-ARIN
OrgTechName:   Hostmaster
OrgTechPhone:  +1-281-589-5200 
OrgTechEmail:  dhepler@callon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/HOSTM2037-ARIN

OrgNOCHandle: HOSTM2037-ARIN
OrgNOCName:   Hostmaster
OrgNOCPhone:  +1-281-589-5200 
OrgNOCEmail:  dhepler@callon.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/HOSTM2037-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.
#