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AS19704
AS19704 Howard Center, Inc.
HCVT-01 - Howard Center, Inc. · registered in the United States
IPv4 addresses 512 2 prefixes · <0.001% of announced IPv4
Rank in United States #10,183 largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide #47,623 of 79,396 networks with IPv4
IPv6 257 x /48 2 prefixes
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
ASN Name IPv4 addresses
AS201445 #10180 Zerval-Network Zerval Network LLC512
AS399272 #10181 BARNHOLDT-NA - Barnholdt, 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