AS26101 Yahoo Holdings Inc.
AS26101 (YAHOO-BF1) is registered to Yahoo Holdings Inc. in US, through ARIN. It originates 83 prefixes in the global routing table.
Who holds AS26101
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
WHOIS recordARIN
# # 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: 26101 ASName: YAHOO-BF1 ASHandle: AS26101 RegDate: 2002-07-05 Updated: 2020-07-21 Ref: https://rdap.arin.net/registry/autnum/26101 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 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 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 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. #
What AS26101 announces
Prefixes originated by AS26101 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
RPKI valid RPKI invalid no ROA covers it
Who AS26101 is reached through
The AS just before AS26101 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| RADB | Yahoo-SCD | MAINT-YAHOO |
Route objects with origin AS26101: RADB 110