AS21858 Ascent Data, LLC

ASCENT-DATA-LLC - Ascent Data, LLC · registered in the United States

IPv4 addresses2,0486 prefixes · <0.001% of announced IPv4

Rank in United States#6,012largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#21,498of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS21858 in ASN lookup Look up an IP in this network (208.70.64.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

208.70.64.0/23
208.70.66.0/24
208.70.67.0/24
208.70.68.0/24
208.70.69.0/24
208.70.70.0/23

IPv6 prefixes

All 1 prefix.

2607:ffa8::/32

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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