AS399989 ULTRA ONE

ULTRAONE-01 - ULTRA ONE · registered in the United States

IPv4 addresses13,56819 prefixes · <0.001% of announced IPv4

Rank in United States#2,574largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#7,747of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS399989 in ASN lookup Look up an IP in this network (23.129.160.1) All networks in United States

IPv4 prefixes

All 19 prefixes, in address order.

23.129.160.0/24
65.86.140.0/22
74.2.180.0/22
82.38.176.0/22
82.38.184.0/21
103.47.59.0/24
104.129.255.0/24
109.111.60.0/22
109.176.25.0/24
124.158.113.0/24
124.158.114.0/24
193.135.116.0/24
193.135.119.0/24
198.102.10.0/24
209.216.4.0/22
209.216.12.0/22
209.216.20.0/22
209.216.28.0/22
216.46.80.0/22

Similar-sized networks in United States

ASNNameIPv4 addresses

AS27294#2571 RESERVETEL - Reserve Long Distance Company, Inc13,568

AS32228#2572 ASISN - ISN Communications13,568

AS54578#2573 FIBERCOMM - FiberComm LC13,568

AS49532#2575 SERVERHUB-NL Eonix Corporation13,312

AS13819#2576 FWIN-NET - INDIGITAL TELECOM13,312

AS20205#2577 AMPLEX - Amplex Electric, Inc.13,312

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