ASN AS7233 is an Autonomous System Number used to identify a network for BGP internet routing.

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.

AS7233 Yahoo | IPGeolocation.io

ASN Lookup Tool

Yahoo yahooinc.com

US 4 Routes

AS Data

AS7233

AS7233 – Yahoo

AS Number	7233
AS Name	YAHOO-US
Organization	Yahoo(yahoo-1)
Country	US
Website	yahooinc.com
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	BUSINESS
Registry	ARIN
Date Allocated	1996-10-15

ASN Intelligence API for production workflows

Use ASN data for AS7233 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

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
209.131.48.0/23	AS7233	Yahoo	Yahoo Holdings Inc.	512
2001:4998:ef61::/48	AS7233	Yahoo	Yahoo Holdings Inc.	~1×10²⁴
2001:4998:ef60::/48	AS7233	Yahoo	Yahoo Holdings Inc.	~1×10²⁴
98.136.0.0/23	AS7233	Yahoo	Yahoo Holdings Inc.	512

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:       7233
ASName:         YAHOO-US
ASHandle:       AS7233
RegDate:        1996-10-15
Updated:        2005-08-23    
Ref:            https://rdap.arin.net/registry/autnum/7233


OrgName:        Yahoo
OrgId:          YAHOO-1
Address:        701 First Avenue
City:           Sunnyvale
StateProv:      CA
PostalCode:     94089
Country:        US
RegDate:        1996-10-15
Updated:        2019-02-11
Ref:            https://rdap.arin.net/registry/entity/YAHOO-1


OrgNOCHandle: OATHN-ARIN
OrgNOCName:   Oath NOC
OrgNOCPhone:  +1-408-349-5555 
OrgNOCEmail:  rir-noc@yahoo-inc.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/OATHN-ARIN

OrgTechHandle: OTC2-ARIN
OrgTechName:   Oath Tech Contact
OrgTechPhone:  +1-408-349-5555 
OrgTechEmail:  rir-tech@yahooinc.com
OrgTechRef:    https://rdap.arin.net/registry/entity/OTC2-ARIN

OrgAbuseHandle: OATHA-ARIN
OrgAbuseName:   Oath Abuse
OrgAbusePhone:  +1-408-349-3300 
OrgAbuseEmail:  network-abuse@cc.yahoo-inc.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/OATHA-ARIN

RTechHandle: NA258-ARIN
RTechName:   Netblock Admin
RTechPhone:  +1-408-349-3300 
RTechEmail:  rir-admin@oath.com
RTechRef:    https://rdap.arin.net/registry/entity/NA258-ARIN

RAbuseHandle: NETWO857-ARIN
RAbuseName:   Network Abuse
RAbusePhone:  +1-408-349-3300 
RAbuseEmail:  network-abuse@cc.yahoo-inc.com
RAbuseRef:    https://rdap.arin.net/registry/entity/NETWO857-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
AS10310	Yahoo Holdings Inc.	US

Upstreams

AS Number	Description	Country
AS10310	Yahoo Holdings Inc.	US

Contacts

Email Contacts

rir-tech@yahooinc.com

Abuse Contacts

network-abuse@cc.yahoo-inc.com