AS400527 Proponent

AS-PROPONENT - Proponent · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,918largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,879of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS400527 in ASN lookup Look up an IP in this network (199.74.205.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

199.74.205.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS400512#17915 OPELIKA-01 - City of Opelika256

AS400520#17916 MTNLINKD-01 - Mtnlinkd, Inc256

AS400524#17917 LCI-ASN-01 - LCI II, Inc.256

AS400531#17919 WESTHOLT-ASN-01 - West Holt Memorial Hospital256

AS400538#17920 QSI-NETWORK-SOLUTIONS - QSi Network Solutions256

AS400543#17921 NHC-BGP-AS - NEWTON HEALTHCARE CORPORATION256

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