AS18555 The Art Institute of Chicago

THE-ART-INST - The Art Institute of Chicago · registered in the United States

IPv4 addresses4,0962 prefixes · <0.001% of announced IPv4

Rank in United States#4,660largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#15,740of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS18555 in ASN lookup Look up an IP in this network (198.40.16.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

198.40.16.0/21
198.40.24.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS17339#4658 SAFELITE - Safelite Glass Corp.4,096

AS18465#4659 WORKDAY-01 - Workday, Inc.4,096

AS18556#4661 SCIF - State Compensation Insurance Fund4,096

AS18817#4662 MIDCO-NET-DW - Midcontinent Communications4,096

AS18826#4663 AS18826 - 19664,096

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