HTTPfy

AS5777 Ribbon Communications Operating Company, Inc.

RIBBON - Ribbon Communications Operating Company, Inc. · registered in the United States

IPv4 addresses2,3049 prefixes · <0.001% of announced IPv4
Rank in United States#5,853largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#20,815of 79,396 networks with IPv4
IPv6noneno IPv6 routes announced
CountryUnited States18,679 ASNs registered there

IPv4 prefixes

All 9 prefixes, in address order.

  • 63.149.188.0/24
  • 64.129.37.0/24
  • 74.203.183.0/24
  • 97.65.224.0/24
  • 147.234.170.0/24
  • 147.234.175.0/24
  • 147.234.184.0/24
  • 173.227.240.0/24
  • 216.110.2.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses
AS4503#5850 EGINTERLINK - Grady Memorial Hospital2,304
AS5108#5851 PASADENA-ASN - City of Pasadena2,304
AS5182#5852 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)2,304
AS6077#5854 BCBSNE - Blue Cross Blue Shield of Nebraska2,304
AS7243#5855 HDS-AS - HITACHI DATA SYSTEMS2,304
AS7809#5856 SYNOPSYS - Synopsys Inc.2,304

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