AS7280 Yahoo Holdings Inc.

YAHOO-FC - Yahoo Holdings Inc. · registered in the United States

IPv4 addresses2,3045 prefixes · <0.001% of announced IPv4

Rank in United States#5,820largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#20,715of 79,396 networks with IPv4

IPv69 x /486 prefixes

CountryUnited States18,679 ASNs registered there

Open AS7280 in ASN lookup Look up an IP in this network (27.123.60.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

27.123.60.0/23
68.142.254.0/23
68.180.129.0/24
183.177.70.0/23
200.152.168.0/23

IPv6 prefixes

All 6 prefixes.

2001:4998:160::/48
2001:4998:180::/48
2001:4998:1c0::/48
2406:2000:ff90::/47
2406:6e00::/47
2804:1bc:ff90::/47

Other ASNs named Yahoo Holdings Inc.

18 other networks use the same organisation name; together with AS7280 they announce 493,568 IPv4 addresses.

ASNNameIPv4 addresses

AS36647YAHOO-GQ1 - Yahoo Holdings Inc. US184,320

AS26101YAHOO-BF1 - Yahoo Holdings Inc. US121,344

AS36646YAHOO-NE1 - Yahoo Holdings Inc. US94,720

AS10310YAHOO-1 - Yahoo Holdings Inc. US78,080

AS14778YAHOO - Yahoo Holdings Inc. US1,536

AS10880YAHOO-AN2 - Yahoo Holdings Inc. US1,536

AS14777YAHOO - Yahoo Holdings Inc. US1,280

AS36088YAHOO-BCST-AC2 - Yahoo Holdings Inc. US1,280

AS5779YAHOO-DNB - Yahoo Holdings Inc. US768

AS14196YAHOO-CHA - Yahoo Holdings Inc. US768

AS14776YAHOO - Yahoo Holdings Inc. US768

AS14779YAHOO - Yahoo Holdings Inc. US768

AS14780YAHOO - Yahoo Holdings Inc. US768

AS36229YAHOO-YSM-SC8 - Yahoo Holdings Inc. US768

AS36752YAHOO-SP1 - Yahoo Holdings Inc. US768

AS393245YAHOO-SWB - Yahoo Holdings Inc. US768

AS4866POLYVORE - Yahoo Holdings Inc. US768

AS16515ALTAVISTA - Yahoo Holdings Inc. US256

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AS20144#5819 IMRS - ICANN2,304

AS63420#5821 NETACTUATE - NetActuate, Inc2,304

AS25671#5822 AIRENET-NUEVO-CA - Wholesale Air-time Inc.2,304

AS62672#5823 STREAMWIDE-INC - Streamwide Inc.2,304

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources