ASN AS10880 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS10880?

AS10880 is listed under Yahoo Holdings 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.

AS10880 Yahoo Holdings Inc. | IPGeolocation.io

ASN Lookup Tool

Yahoo Holdings Inc. yahooinc.com

US 12 Routes

AS Data

AS10880

AS10880 – Yahoo Holdings Inc.

AS Number	10880
AS Name	YAHOO-AN2
Organization	Yahoo Holdings Inc. (oh-207)
Country	US
Website	yahooinc.com
Number of IPv4 Routes	6
Number of IPv6 Routes	6
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2006-05-05

ASN Intelligence API for production workflows

Use ASN data for AS10880 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
203.84.218.0/24	AS10880	Yahoo Holdings Inc.	Yahoo APAC	256
2001:4998:1b0::/48	AS10880	Yahoo Holdings Inc.	Yahoo Holdings Inc.	~1×10²⁴
68.180.131.0/24	AS10880	Yahoo Holdings Inc.	Yahoo Holdings Inc.	256
209.191.95.0/24	AS10880	Yahoo Holdings Inc.	Yahoo Holdings Inc.	256
68.180.130.0/24	AS10880	Yahoo Holdings Inc.	Yahoo Holdings Inc.	256
203.84.220.0/24	AS10880	Yahoo Holdings Inc.	Yahoo APAC	256
202.165.97.0/24	AS10880	Yahoo Holdings Inc.	Yahoo APAC	256
2406:2000:1d0::/48	AS10880	Yahoo Holdings Inc.	Yahoo Global Holdings B.V. Taiwan Branch	~1×10²⁴
2406:6e00:2::/48	AS10880	Yahoo Holdings Inc.	Yahoo Inc.	~1×10²⁴
2001:4998:170::/48	AS10880	Yahoo Holdings Inc.	Yahoo Holdings Inc.	~1×10²⁴

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:       10880
ASName:         YAHOO-AN2
ASHandle:       AS10880
RegDate:        2006-05-05
Updated:        2019-05-01
Ref:            https://rdap.arin.net/registry/autnum/10880


OrgName:        Yahoo Holdings Inc.
OrgId:          OH-207
Address:        770 BROADWAY FL 9
City:           New York
StateProv:      NY
PostalCode:     10003-9558
Country:        US
RegDate:        2018-12-21
Updated:        2025-09-03
Ref:            https://rdap.arin.net/registry/entity/OH-207


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

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

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


#
# 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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "10880",
    "as_handle" : "AS10880",
    "as_name" : "YAHOO-AN2",
    "tech_contacts" : [ "OTC2-ARIN" ],
    "abuse_contacts" : [ "OATHA-ARIN" ],
    "date_created" : "2006-05-05",
    "date_updated" : "2019-05-01",
    "source" : "https://rdap.arin.net/registry/autnum/10880"
  } ],
  "organization" : {
    "handle" : "OH-207",
    "name" : "Yahoo Holdings Inc.",
    "address" : [ "770 BROADWAY FL 9", "New York", "NY", "10003-9558", "US" ],
    "street" : "Broadway",
    "city" : "New York",
    "state" : "NY",
    "zip_code" : "10003-9558",
    "country" : [ "US" ],
    "date_created" : "2018-12-21",
    "date_updated" : "2025-09-03",
    "source" : "https://rdap.arin.net/registry/entity/OH-207",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "OTC2-ARIN",
    "name" : "Oath Tech Contact",
    "email" : [ "rir-tech@oath.com" ],
    "phone" : [ "+1-408-349-5555" ],
    "source" : "https://rdap.arin.net/registry/entity/OTC2-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "OATHA-ARIN",
    "name" : "Oath Abuse",
    "email" : [ "rir-abuse@yahooinc.com" ],
    "phone" : [ "+1-408-349-3300" ],
    "source" : "https://rdap.arin.net/registry/entity/OATHA-ARIN"
  } ]
}

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@oath.com

Abuse Contacts

rir-abuse@yahooinc.com