HTTPfy

AS6913 Hayes Computer Systems

HCSNET-ASNBLK - Hayes Computer Systems · registered in the United States

IPv4 addresses9,4724 prefixes · <0.001% of announced IPv4
Rank in United States#3,037largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#9,365of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 4 prefixes, in address order.

  • 207.156.4.0/24
  • 207.156.80.0/20
  • 207.156.96.0/20
  • 207.156.120.0/22

Other ASNs named Hayes Computer Systems

1 other network uses the same organisation name; together with AS6913 they announce 12,800 IPv4 addresses.

ASNNameIPv4 addresses
AS6914HCSNET-ASNBLK - Hayes Computer Systems US3,328

Similar-sized networks in United States

ASNNameIPv4 addresses
AS401322#3034 LUCK-NETO-01 - NetO Corp9,472
AS1410#3035 CELLONE-IP - SMITH BAGLEY INC9,472
AS1415#3036 CHNETWORK - Christus Health9,472
AS11488#3038 BBN-GW - BBN Technologies Corp.9,472
AS12090#3039 NET-AAA - AAA National9,472
AS12094#3040 SISTERLAKESCABLE - Sister Lakes Cable9,472

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