AS399988 ENC Holding Corporation

ENC-HOLDING-ASN - ENC Holding Corporation · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#12,556largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#58,563of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS399988 in ASN lookup Look up an IP in this network (63.232.40.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

63.232.40.0/24
66.118.57.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS399967#12553 HOMESERVEUSA-BGP-ASN - HomeServe USA Corp512

AS399983#12554 APOG-MILLERSVILLE - Apogee Telecom Inc.512

AS399987#12555 TACOMA-PIERCE-COUNTY-HEALTH-DEPARTMENT - Tacoma-Pierce County Health Department512

AS399996#12557 QFLIX-INTERNET - QFLIX L.L.C.512

AS400001#12558 DULUTHTRADING - Duluth Holdings Inc.512

AS400007#12559 OWNADTECH - OwnAdtech INC512

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