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AS19704 Howard Center, Inc.

HCVT-01 - Howard Center, Inc. · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4
Rank in United States#10,183largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#47,623of 79,396 networks with IPv4
IPv6257 x /482 prefixes
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 2 prefixes, in address order.

  • 74.85.159.0/24
  • 216.57.113.0/24

IPv6 prefixes

All 2 prefixes.

  • 2001:559:80bb::/48
  • 2620:135:2000::/40

Similar-sized networks in United States

ASNNameIPv4 addresses
AS201445#10180 Zerval-Network Zerval Network LLC512
AS399272#10181 BARNHOLDT-NA - Barnholdt, LLC512
AS402106#10182 ACDEV - ACDev LLC512
AS39239#10184 PHOENIXNAP-ES PHOENIX NAP, LLC.512
AS136899#10185 PHOENIXNAP-AS-SG3 - PhoenixNAP512
AS152879#10186 PHOENIXNAP-AS-TPE0 - PhoenixNAP LLC512

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