AS20289 ISG Technology

AS-ISGNOC - ISG Technology · registered in the United States

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in United States#6,224largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#22,952of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS20289 in ASN lookup Look up an IP in this network (205.173.96.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

205.173.96.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses

AS20038#6221 ALLENTOWNSD - Allentown School District2,048

AS20048#6222 AMA-AS-0001 - American Medical Association2,048

AS20194#6223 BEARTECH - Bear Technologies Corporation2,048

AS20333#6225 OPSUS-NET - Cloudwave2,048

AS20338#6226 MYTELASN - My Telepath, Inc2,048

AS20467#6227 SW-ORG-AS - Baylor Health Care System2,048

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