AS25878 Quinstreet, Inc.

• IPv4 Prefixes

Country	Announced Prefix	Description	Valid ROA	Parent Prefix	RIR
	64.84.40.0/23	QUINSTREET		64.84.0.0/18	ARIN
	67.106.145.0/24	Quinstreet, Inc.		68.66.64.0/20	ARIN
	70.42.22.0/23	QuinStreet, Inc.		70.42.0.0/16	ARIN
	173.226.108.0/24	Quinstreet, Inc.		173.226.0.0/15	ARIN
	216.211.163.0/24	Quinstreet, Inc.		216.211.160.0/20	ARIN
	216.211.170.0/23	QuinStreet		216.211.160.0/20	ARIN
	216.211.175.0/24	QUINSTREET		216.211.160.0/20	ARIN

• IPv4 Peers

Country	ASN	Name	Description
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS14743	INTERNAP-BLOCK-4	Unitas Global
	AS3549	LVLT-3549	Level 3 Parent, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS33667	CMCS	CMCS
	AS33651	CMCS	Comcast Cable Communications, LLC
	AS7018	ATT-INTERNET4	AT&T Services, Inc.

• IPv4 Upstreams

Country	ASN	Name	Description
	AS3356	LEVEL3	Level 3 Parent, LLC
	AS6461	ZAYO-6461	Zayo Bandwidth
	AS7018	ATT-INTERNET4	AT&T Services, Inc.
	AS14743	INTERNAP-BLOCK-4	Unitas Global
	AS3549	LVLT-3549	Level 3 Parent, LLC
	AS33651	CMCS	Comcast Cable Communications, LLC
	AS33667	CMCS	CMCS

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/
#
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# 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:       25878
ASName:         QNST-DC01
ASHandle:       AS25878
RegDate:        2007-10-22
Updated:        2012-02-24
Comment:        http://www.quinstreet.com    
Ref:            https://rdap.arin.net/registry/autnum/25878


OrgName:        Quinstreet, Inc.
OrgId:          QUINS-2
Address:        302 E. Carson Ave
City:           Las Vegas
StateProv:      NV
PostalCode:     89101
Country:        US
RegDate:        2007-08-21
Updated:        2020-05-19
Ref:            https://rdap.arin.net/registry/entity/QUINS-2


OrgTechHandle: NET4-ARIN
OrgTechName:   Network Engineering Team
OrgTechPhone:  +1-650-863-4258 
OrgTechEmail:  neteng@quinstreet.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NET4-ARIN

OrgAbuseHandle: NET4-ARIN
OrgAbuseName:   Network Engineering Team
OrgAbusePhone:  +1-650-863-4258 
OrgAbuseEmail:  neteng@quinstreet.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/NET4-ARIN

RTechHandle: HBL8-ARIN
RTechName:   Blandford, Hemi 
RTechPhone:  +1-650-863-4258 
RTechEmail:  hblandford@quinstreet.com
RTechRef:    https://rdap.arin.net/registry/entity/HBL8-ARIN

RAbuseHandle: NET4-ARIN
RAbuseName:   Network Engineering Team
RAbusePhone:  +1-650-863-4258 
RAbuseEmail:  neteng@quinstreet.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NET4-ARIN

RNOCHandle: NET4-ARIN
RNOCName:   Network Engineering Team
RNOCPhone:  +1-650-863-4258 
RNOCEmail:  neteng@quinstreet.com
RNOCRef:    https://rdap.arin.net/registry/entity/NET4-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.
#