AS397112 Illinois Mathematics and Science Academy

ILLINOIS-MATH-SCIENCE - Illinois Mathematics and Science Academy · registered in the United States

IPv4 addresses57,3448 prefixes · 0.002% of announced IPv4

Rank in United States#1,430largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,729of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397112 in ASN lookup Look up an IP in this network (143.195.0.1) All networks in United States

IPv4 prefixes

All 8 prefixes, in address order.

143.195.0.0/22
143.195.4.0/22
143.195.8.0/21
143.195.16.0/20
143.195.32.0/19
143.195.64.0/18
143.195.128.0/18
143.195.192.0/19

Similar-sized networks in United States

ASNNameIPv4 addresses

AS10499#1427 IUMC-IT - Rochester Gas and Electric Corporation57,344

AS13825#1428 TROYCABLE-NET - Troy Cablevision, Inc.57,344

AS395776#1429 FEDERAL-ONLINE-GROUP-LLC - FEDERAL ONLINE GROUP LLC57,344

AS402224#1431 MERCEDCOUNTY-ASN-1 - Merced County Information Systems57,344

AS4213#1432 EVOCATIVE-GLOBAL - Krypt Technologies57,088

AS30475#1433 WEHOSTWEBSITES-COM - Handy Networks, LLC57,088

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