ULTRA ONE

Data as of 2026-09-06
BGP inherited
This organisation
Netblocks64 · 46,340 IPv4 addresses
IPv6 4 prefixes (largest 2a01:6c20::/32)
Registered in United States (29) · United Kingdom (16) · Russia (16) · Australia (2) · Hungary (1)
Record ID236375388
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 31 shared RIR contact/maintainer handles
Registry names 10 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (64)

⬇ export CSV
CIDR Org name Registry Status Confidence
23.129.160.0/24 ULTRA ONE BGP ANNOUNCED ● high
23.188.208.0/24 ULTRA ONE ARIN DIRECT ALLOCATION ● high
43.242.139.0/24 ULTRA ONE BGP ANNOUNCED ● high
65.86.140.0/22 ULTRA ONE BGP ANNOUNCED ● high
74.0.36.0/22 ULTRA ONE BGP ANNOUNCED ● high
74.2.180.0/22 ULTRA ONE BGP ANNOUNCED ● high
82.38.176.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.177.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.178.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.179.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.184.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.185.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.186.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.187.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.188.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.189.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.190.0/24 ULTRA ONE BGP ANNOUNCED ● high
82.38.191.0/24 ULTRA ONE BGP ANNOUNCED ● high
86.109.76.0/22 ULTRA ONE BGP ANNOUNCED ● high
103.47.59.0/24 ULTRA ONE BGP ANNOUNCED ● high
104.129.255.0/24 ULTRA ONE BGP ANNOUNCED ● high
109.111.44.0/22 ULTRA ONE BGP ANNOUNCED ● high
109.111.60.0/22 ULTRA ONE BGP ANNOUNCED ● high
109.176.25.0/24 ULTRA ONE BGP ANNOUNCED ● high
109.176.215.0/24 ULTRA ONE BGP ANNOUNCED ● high
109.176.255.0/24 ULTRA ONE BGP ANNOUNCED ● high
124.158.113.0/24 ULTRA ONE BGP ANNOUNCED ● high
124.158.114.0/24 ULTRA ONE BGP ANNOUNCED ● high
141.193.253.0/24 Ultra Internet Communications LLC ARIN DIRECT ALLOCATION ● high
167.100.96.0/20 Ultra Internet Communications LLC ARIN DIRECT ALLOCATION ● high
168.91.64.0/18 Ultra Internet Communications LLC ARIN DIRECT ALLOCATION ● high
176.124.144.0/24 Ultra-Telecom LLC BGP ANNOUNCED ● high
176.124.144.0/22 Ultra-Telecom LLC BGP ANNOUNCED ● high
176.124.144.0/23 Ultra-Telecom LLC BGP ANNOUNCED ● high
176.124.145.0/24 Ultra-Telecom LLC BGP ANNOUNCED ● high
176.124.146.0/23 Ultra-Telecom LLC BGP ANNOUNCED ● high
176.124.146.0/24 Ultra-Telecom LLC BGP ANNOUNCED ● high
176.124.147.0/24 Ultra-Telecom LLC BGP ANNOUNCED ● high
180.131.144.0/24 ULTRA ONE BGP ANNOUNCED ● high
185.43.92.0/22 Ultra Telecom Ltd. BGP ANNOUNCED ● high
193.135.116.0/24 ULTRA ONE BGP ANNOUNCED ● high
193.135.119.0/24 ULTRA ONE BGP ANNOUNCED ● high
195.160.164.0/24 Ultra-Telecom LLC BGP ANNOUNCED ● high
195.160.164.0/23 Ultra-Telecom LLC RIPE ASSIGNED PI ● high
195.160.165.0/24 Ultra-Telecom LLC BGP ANNOUNCED ● high
198.102.10.0/24 ULTRA ONE BGP ANNOUNCED ● high
209.236.207.0/24 ULTRA ONE BGP ANNOUNCED ● high
213.218.227.0/24 ULTRA ONE BGP ANNOUNCED ● high
216.46.80.0/22 ULTRA ONE BGP ANNOUNCED ● high
216.183.228.0/24 ULTRA ONE BGP ANNOUNCED ● high
2a0f:bc01::/32 ULTRA ONE BGP ANNOUNCED ● high
45.81.116.0/22 ULTRA INTERNET COMMUNICATIONS, LLC RIPE ALLOCATED PA ● low
45.85.240.0/22 ULTRA INTERNET COMMUNICATIONS, LLC RIPE ALLOCATED PA ● low
45.94.152.0/22 ULTRA INTERNET COMMUNICATIONS, LLC RIPE ALLOCATED PA ● low
45.145.216.0/22 ULTRA INTERNET COMMUNICATIONS, LLC RIPE ALLOCATED PA ● low
45.155.160.0/22 ULTRA INTERNET COMMUNICATIONS, LLC RIPE ALLOCATED PA ● low
85.114.19.16/30 ULTRA-LAN RIPE ASSIGNED PA ● low
91.132.36.0/22 ULTRA INTERNET COMMUNICATIONS, LLC RIPE ALLOCATED PA ● low
92.249.32.0/22 ULTRA INTERNET COMMUNICATIONS, LLC RIPE ALLOCATED PA ● low
185.37.0.0/22 ULTRA INTERNET COMMUNICATIONS, LLC RIPE ALLOCATED PA ● low
217.79.11.0/24 ULTRA-LAN RIPE ASSIGNED PA ● low
2a01:4f8:161:71c3::/64 ULTRA-DOO RIPE ASSIGNED ● low
2a01:4f8:231:2019::/64 ULTRA-DOO RIPE ASSIGNED ● low
2a01:6c20::/32 Ultra Telecom Ltd. RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (4)

CIDR
2a01:6c20::/32
2a0f:bc01::/32
2a01:4f8:161:71c3::/64
2a01:4f8:231:2019::/64

Footprint over time

11 weekly snapshots · JSON
68 -3 netblocks since 2026-07-05
2026-07-05 peak 71 2026-09-06

Network trust

what's this?
RPKI hygiene: C how networks compare →
60.3% of checked blocks have valid RPKI ROA coverage (41 of 68)
Possible discrepancies (17)

These blocks are registered to ULTRA ONE but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2a0f:bc01::/32 /32 authorized for AS138997 — UBITECH ASIA LIMITED
92.249.32.0/22 /22 authorized for AS205544 — Leaseweb UK Limited
217.79.11.0/24 /24 authorized for AS8492 — "OBIT" Ltd.
82.38.176.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.177.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.178.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.179.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.184.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.185.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.186.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.187.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.188.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.189.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.190.0/24 /24 authorized for AS7029 — Windstream Communications LLC
82.38.191.0/24 /24 authorized for AS7029 — Windstream Communications LLC
+2 more — see the REST API

NIC Handles

ADMIN6727-ARIN ADMIN6727-ARIN ADMIN6727-ARIN AS399989 AS59665 AS62218 CPM8-ARIN CPM8-ARIN CPM8-ARIN DUMY-RIPE DUMY-RIPE HOS-GUN +19 more