AS15989 SFTI-EU Intercontinental Exchange Inc.

SFTI-EU Intercontinental Exchange Inc. · registered in the United States

IPv4 addresses4,60812 prefixes · <0.001% of announced IPv4

Rank in United States#4,294largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#14,336of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS15989 in ASN lookup Look up an IP in this network (156.48.4.1) All networks in United States

IPv4 prefixes

All 12 prefixes, in address order.

156.48.4.0/23
156.48.6.0/24
156.48.7.0/24
156.48.12.0/23
156.48.14.0/24
156.48.15.0/24
156.48.250.0/23
158.224.4.0/23
158.224.36.0/24
158.224.56.0/23
158.224.68.0/23
158.224.93.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS13831#4291 POGOZONE-OA - PogoZone4,608

AS14851#4292 BANNER-HEALTH-ARIZONA - BANNER HEALTH4,608

AS15198#4293 CCPI---SITE-1 - Convention Communications Provisioners, Inc.4,608

AS16466#4295 AVAYA-ONECLOUD - Avaya LLC4,608

AS16525#4296 KBR - KBR4,608

AS17264#4297 CERNER-COM - Cerner Corporation4,608

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