Skip to main content
Autonomous System

AS11123

Ultimate Internet Access, Inc

Announced IPs
69,631
CIDR prefixes
30
ASN
AS11123

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 20-50Gbps
Geographic scope North America
Traffic ratio Mostly Inbound
Peering policy Open

Present at 1 internet exchange: Any2West

AS11123 — global IP footprint

Cities where AS11123 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
66.146.0.0/17 32.8K
91.0%
Ultimate Internet Access, Inc US California Ontario
64.30.192.0/19 8.2K
74.9%
Ultimate Internet Access, Inc US California Ontario
66.59.224.0/19 8.2K
93.2%
Ultimate Internet Access, Inc US
206.251.64.0/19 8.2K
0.0%
Ultimate Internet Access, Inc US California Helendale
216.66.224.0/19 8.2K
85.6%
Ultimate Internet Access, Inc US California Perris
66.181.144.0/20 4.1K
67.4%
Ultimate Internet Access, Inc US
206.251.80.0/20 4.1K
69.4%
Ultimate Internet Access, Inc US California Helendale
206.251.64.0/21 2.0K
69.5%
Ultimate Internet Access, Inc US California Wrightwood
206.251.80.0/21 2.0K
64.7%
Ultimate Internet Access, Inc US California Helendale
206.251.76.0/22 1.0K
77.5%
Ultimate Internet Access, Inc US California Wrightwood
206.251.88.0/22 1.0K
73.3%
Ultimate Internet Access, Inc US California Helendale
206.251.72.0/23 512
77.3%
Ultimate Internet Access, Inc US California Wrightwood
206.251.94.0/23 512
75.4%
Ultimate Internet Access, Inc US California Helendale
206.251.75.0/24 256
80.5%
Ultimate Internet Access, Inc US California Wrightwood
206.251.92.0/24 256
72.3%
Ultimate Internet Access, Inc US California Helendale
206.251.74.128/25 128
82.0%
Ultimate Internet Access, Inc US California Wrightwood
206.251.93.128/25 128
75.8%
Ultimate Internet Access, Inc US California Helendale
206.251.74.64/26 64
82.8%
Ultimate Internet Access, Inc US California Wrightwood
206.251.93.64/26 64
76.6%
Ultimate Internet Access, Inc US California Helendale
206.251.74.32/27 32
81.3%
Ultimate Internet Access, Inc US California Wrightwood
206.251.93.32/27 32
75.0%
Ultimate Internet Access, Inc US California Helendale
206.251.74.0/28 16
81.3%
Ultimate Internet Access, Inc US California Wrightwood
206.251.93.16/28 16
75.0%
Ultimate Internet Access, Inc US California Helendale
206.251.74.16/29 8
87.5%
Ultimate Internet Access, Inc US California Wrightwood
206.251.93.0/29 8
75.0%
Ultimate Internet Access, Inc US California Helendale
206.251.74.28/30 4
75.0%
Ultimate Internet Access, Inc US California Wrightwood
206.251.93.12/30 4
75.0%
Ultimate Internet Access, Inc US California Helendale
206.251.74.24/31 2
100.0%
Ultimate Internet Access, Inc US California Wrightwood
206.251.93.10/31 2
100.0%
Ultimate Internet Access, Inc US California Helendale
206.251.74.27/32 1
100.0%
Ultimate Internet Access, Inc US California Wrightwood
206.251.93.8/32 1
100.0%
Ultimate Internet Access, Inc US California Helendale

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS11123 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
66.146.37.0/24 27,740 2026-09-13 01:59:24
66.146.110.0/24 27,483 2026-09-13 01:59:24
66.146.109.0/24 27,479 2026-09-13 01:59:24
66.146.10.0/24 27,473 2026-09-13 01:59:24
66.146.8.0/24 27,431 2026-09-13 01:59:24
66.146.74.0/24 26,503 2026-09-13 01:59:08
66.146.53.0/24 25,891 2026-09-13 01:59:24
66.146.15.0/24 25,880 2026-09-13 01:59:24
66.146.56.0/24 25,769 2026-09-13 01:59:24
206.251.72.0/21 22,663 2026-09-13 01:59:24
64.30.194.0/24 22,484 2026-09-13 01:59:24
66.146.94.0/24 22,183 2026-09-13 01:59:24
66.146.95.0/24 22,153 2026-09-13 01:59:24
66.146.76.0/24 21,718 2026-09-13 01:59:24
66.146.49.0/24 21,716 2026-09-13 01:59:24
66.146.35.0/24 21,683 2026-09-13 01:59:24
66.146.125.0/24 21,651 2026-09-13 01:59:24
66.146.124.0/24 21,607 2026-09-13 01:59:24
206.251.88.0/21 21,318 2026-09-13 01:59:24
66.146.31.0/24 20,404 2026-09-13 01:59:24
216.66.246.0/24 20,002 2026-09-13 01:59:24
206.251.66.0/24 19,564 2026-09-13 01:59:24
206.251.65.0/24 19,548 2026-09-13 01:59:24
206.251.64.0/24 19,373 2026-09-13 01:59:24
66.146.116.0/22 19,326 2026-09-13 01:59:24
66.146.13.0/24 19,218 2026-09-13 01:59:24
66.146.120.0/24 19,216 2026-09-13 01:59:24
66.146.16.0/20 19,215 2026-09-13 01:59:24
66.146.80.0/24 19,205 2026-09-13 01:59:24
66.146.11.0/24 19,192 2026-09-13 01:59:24
66.146.80.0/22 19,186 2026-09-13 01:59:24
66.146.5.0/24 19,176 2026-09-13 01:59:24
66.146.112.0/22 19,175 2026-09-13 01:59:24
66.146.64.0/20 19,168 2026-09-13 01:59:24
66.146.104.0/24 19,168 2026-09-13 01:59:24
66.146.108.0/24 19,166 2026-09-13 01:59:24
66.146.72.0/24 19,160 2026-09-13 01:59:24
66.146.2.0/24 19,146 2026-09-13 01:59:24
66.146.0.0/24 19,141 2026-09-13 01:59:24
66.146.8.0/21 19,140 2026-09-13 01:59:24
66.146.4.0/24 19,116 2026-09-13 01:59:24
66.146.4.0/22 19,115 2026-09-13 01:59:24
66.146.63.0/24 19,103 2026-09-13 01:59:24
66.146.29.0/24 19,102 2026-09-13 01:59:24
66.146.6.0/24 19,101 2026-09-13 01:59:24
66.146.32.0/19 19,098 2026-09-13 01:59:24
66.146.108.0/22 19,096 2026-09-13 01:59:24
66.146.24.0/24 19,091 2026-09-13 01:59:24
66.146.88.0/24 19,075 2026-09-13 01:59:24
66.146.26.0/24 19,059 2026-09-13 01:59:24

Showing top 50 of 59 announced prefixes by sample volume.

Frequently Asked Questions

What is AS11123?

AS11123 is an Autonomous System Number assigned to Ultimate Internet Access, Inc. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS11123 announce?

AS11123 announces 69.6K IPv4 addresses distributed across 30 routed CIDR prefixes. The network is registered in United States.

Who operates AS11123?

AS11123 is operated by Ultimate Internet Access, Inc. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS11123 registered in?

AS11123 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-13 02:24:09 UTC
Share