AS397346 SBFiber

SBC-GTY-01 - SBFiber · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,245largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,118of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397346 in ASN lookup Look up an IP in this network (206.166.223.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

206.166.223.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS397341#17243 XL-103-397341 - XGRID LTD, LLC256

AS397345#17244 TCS - THE CONTAINER STORE, INC256

AS397351#17246 TOWN-OF-FLOWER-MOUND - Town of Flower Mound256

AS397364#17247 MSF-USA-01 - Doctors without Borders USA, Inc.256

AS397371#17248 HCDE-TEXAS - Harris County Department of Education Public Facil256

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