AS11023 System Source

SYSSRC - System Source · registered in the United States

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in United States#4,608largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,641of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS11023 in ASN lookup Look up an IP in this network (209.251.32.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

209.251.32.0/20

Similar-sized networks in United States

ASNNameIPv4 addresses

AS10761#4605 TRICETEL - Tricetel, Inc.4,096

AS10818#4606 FULLNETOK - Fullnet Communications4,096

AS10844#4607 VASTNET - Vastnet Corp4,096

AS11061#4609 ANTEL-NET - Antelecom, Inc.4,096

AS11109#4610 SAISD-1 - State of Alabama, Office of Information Technology4,096

AS11118#4611 COMTECK - ComTeck4,096

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