ASN AS25751 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25751?

AS25751 is listed under Conversant, Inc..

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS25751 Conversant, Inc. | IPGeolocation.io

ASN Lookup Tool

Conversant, Inc. conversantmedia.com

US 8 Routes

AS Data

AS25751

AS25751 – Conversant, Inc.

AS Number	25751
AS Name	VALUECLICK
Organization	Conversant, Inc.(valuec-5)
Country	US
Website	conversantmedia.com
Number of IPv4 Routes	5
Number of IPv6 Routes	3
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2002-05-01

ASN Intelligence API for production workflows

Use ASN data for AS25751 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
64.156.167.0/24	AS25751	Conversant, Inc.	Conversant, Inc.	256
205.180.87.0/24	AS25751	Conversant, Inc.	FastClick	256
159.127.40.0/23	AS25751	Conversant, Inc.	Conversant, LLC	512
205.180.86.0/24	AS25751	Conversant, Inc.	FastClick	256
2606:ae80:1c10::/44	AS25751	Conversant, Inc.	Conversant, LLC	~19×10²⁴
64.70.54.0/24	AS25751	Conversant, Inc.	CenturyLink Communications, LLC	256
2606:ae80:1410::/44	AS25751	Conversant, Inc.	Conversant, LLC	~19×10²⁴
2606:ae80:1c40::/44	AS25751	Conversant, Inc.	Conversant, LLC	~19×10²⁴

Raw Whois Response

#
# 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 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       25751
ASName:         VALUECLICK
ASHandle:       AS25751
RegDate:        2002-05-01
Updated:        2015-02-24    
Ref:            https://rdap.arin.net/registry/autnum/25751


OrgName:        Conversant, Inc.
OrgId:          VALUEC-5
Address:        7500 DALLAS PKWY
City:           PLANO
StateProv:      TX
PostalCode:     75024
Country:        US
RegDate:        2002-05-01
Updated:        2024-12-12
Ref:            https://rdap.arin.net/registry/entity/VALUEC-5


OrgTechHandle: CTP4-ARIN
OrgTechName:   Conversant TECH POC
OrgTechPhone:  +1-818-575-4581 
OrgTechEmail:  network@conversantmedia.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CTP4-ARIN

OrgAbuseHandle: CAD59-ARIN
OrgAbuseName:   Conversant Abuse Desk
OrgAbusePhone:  +1-818-475-4500 
OrgAbuseEmail:  abuse@conversantmedia.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/CAD59-ARIN

OrgNOCHandle: NOC31950-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-818-575-4581 
OrgNOCEmail:  network@conversantmedia.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC31950-ARIN

OrgTechHandle: YATES35-ARIN
OrgTechName:   Yates, Chris 
OrgTechPhone:  +1-818-575-4581 
OrgTechEmail:  chris.yates@epsilon.com
OrgTechRef:    https://rdap.arin.net/registry/entity/YATES35-ARIN

RAbuseHandle: CAD52-ARIN
RAbuseName:   Conversant Abuse Desk
RAbusePhone:  +1-818-575-4500 
RAbuseEmail:  abuse@valueclick.com
RAbuseRef:    https://rdap.arin.net/registry/entity/CAD52-ARIN

RNOCHandle: NOC31950-ARIN
RNOCName:   Network Operations Center
RNOCPhone:  +1-818-575-4581 
RNOCEmail:  network@conversantmedia.com
RNOCRef:    https://rdap.arin.net/registry/entity/NOC31950-ARIN

RTechHandle: CTP4-ARIN
RTechName:   Conversant TECH POC
RTechPhone:  +1-818-575-4581 
RTechEmail:  network@conversantmedia.com
RTechRef:    https://rdap.arin.net/registry/entity/CTP4-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 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS7195	EDGEUNO S.A.S	CO
AS3737	PenTeleData Inc.	US
AS6939	Hurricane Electric LLC	US
AS6204	ZET.NET IP Transit	RO
AS14537	Continent 8 LLC	US
AS37468	Angola Cables	AO
AS199524	G-Core Labs S.A.	LU
AS11039	The George Washington University	US
AS3223	Voxility LLP	GB
AS6461	Zayo Bandwidth	US

Upstreams

AS Number	Description	Country
AS37468	Angola Cables	AO
AS13786	Seabras 1 USA, LLC	US
AS7195	EDGEUNO S.A.S	CO
AS60171	AFR IX TELECOM S.A.	ES
AS6204	ZET.NET IP Transit	RO
AS6939	Hurricane Electric LLC	US
AS6057	Administracion Nacional de Telecomunicaciones	UY
AS2914	NTT America, Inc.	US
AS3356	Level 3 Parent, LLC	US
AS6461	Zayo Bandwidth	US

Downstreams

AS Number	Description	Country
AS19834	Conversant, LLC	US

Contacts

Email Contacts

network@conversantmedia.com chris.yates@epsilon.com

Abuse Contacts

abuse@conversantmedia.com

Legacy Routes

2606:ae80:1450::/44 159.127.42.0/23 216.48.66.0/24 8.18.45.0/24 2606:ae80:1470::/44 205.180.85.0/24 67.72.99.0/24 216.34.207.0/24 2606:ae80:1472::/47