AS5033 Key Information Systems, Inc.

AS5033 - Key Information Systems, Inc. · registered in the United States

IPv4 addresses41,98424 prefixes · 0.001% of announced IPv4

Rank in United States#1,560largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#4,215of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS5033 in ASN lookup Look up an IP in this network (63.204.233.1) All networks in United States

IPv4 prefixes

All 24 prefixes, in address order.

63.204.233.0/24
64.160.254.0/24
64.162.116.0/24
66.127.154.0/24
207.178.128.0/19
207.178.160.0/20
207.178.176.0/21
207.178.184.0/22
207.178.188.0/24
207.178.189.0/24
207.178.190.0/23
207.178.192.0/19
207.178.224.0/24
207.178.225.0/24
207.178.226.0/23
207.178.228.0/22
207.178.232.0/21
207.178.240.0/20
207.213.112.0/22
207.213.142.0/23
208.84.25.0/24
209.239.224.0/20
209.239.248.0/21
216.38.111.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS3842#1557 RAMNODE - InMotion Hosting, Inc.41,984

AS1501#1558 DNIC-ASBLK-01500-01502 - Headquarters, USAISC41,984

AS1982#1559 ASN-NWNEXUS - Northwest Nexus Inc.41,984

AS8175#1561 HIGHSPEEDWEB - High Speed Web/Genesis 2 Networks41,984

AS204957#1562 GREENFLOID-AS ROUTE 95 LLC41,728

AS23308#1563 UTILITY-AS - UTILITY TELEPHONE, INC.41,728

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