AS23301 State of Wisconsin Investment Board

WISC-INVESTMENT-BOARD - State of Wisconsin Investment Board · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,631largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#64,461of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS23301 in ASN lookup Look up an IP in this network (204.239.17.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

204.239.17.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS23268#14628 NEULION - NeuLion, Inc.256

AS23271#14629 CITY-OF-WATSONVILLE - City of Watsonville256

AS23295#14630 NSWL-3-23295 - Northern Skies Wireless LLC256

AS23303#14632 ABTECH-CARLSBAD - Abtech Technologies, Inc.256

AS23306#14633 PLASTIPAK-PACKAGING - Plastipak Packaging256

AS23322#14634 PSI-ASN-23322 - Print Mail Systems, Inc.256

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