AS398948 Institute for Defense Analyses

CCRWEST-AS - Institute for Defense Analyses · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,588largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,508of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS398948 in ASN lookup Look up an IP in this network (192.203.205.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

192.203.205.0/24

Other ASNs named Institute for Defense Analyses

1 other network uses the same organisation name; together with AS398948 they announce 131,584 IPv4 addresses.

ASNNameIPv4 addresses

AS166IDA-AS - Institute for Defense Analyses US131,328

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS398941#17587 EWTN-ORG - Eternal Word Television Network Inc256

AS398953#17589 ABC-WAREHOUSE - ABC Warehouse256

AS398956#17590 SANTACLARITA-ASN-01 - City Of Santa Clarita256

AS398965#17591 ENERBANKUSA - EnerBank USA256

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