AS397656 Centrien

CHI01-US-CENTRIEN-COM - Centrien · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,306largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,187of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397656 in ASN lookup Look up an IP in this network (23.137.144.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

23.137.144.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS397640#17303 AS-CORESCI - Core Scientific, Inc.256

AS397648#17304 CH3-ASN-01 - NORTH AMERICAN SCIENCE ASSOCIATES, LLC256

AS397652#17305 SMSC - SMSC256

AS397661#17307 PILLEN-OFFICE-01 - Pillen Family Farms, Inc.256

AS397664#17308 WSC-CHANDLER-AZ - Weidenhammer Systems Corp.256

AS397668#17309 IFC - Infocrest Systems LLC256

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