AS19841 ISNS

ISNS1 - ISNS · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,346largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#64,070of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS19841 in ASN lookup Look up an IP in this network (23.129.96.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

23.129.96.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS19827#14343 CCC-AS - City of Carson City256

AS19831#14344 STAMPIN - StampinUp256

AS19840#14345 OAKTREECAP - Oaktree Capital Management, LP256

AS19846#14347 UNION-COLLEGE - Union College256

AS19851#14348 DOYLESTOWN-HOSPITAL - Doylestown Hospital256

AS19857#14349 BEFCORP - Bob Evans Farms, 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