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WorldIP.io
Autonomous System

AS12129

123.Net, Inc.

Announced IPs
162,816
CIDR prefixes
79
ASN
AS12129

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.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 200-300Gbps
Geographic scope North America
Traffic ratio Balanced
Peering policy Open
IRR record LEVEL3::AS-I123

Present at 4 internet exchanges: Equinix Chicago, Equinix Ashburn, DET-iX, Grand Rapids Internet Exchange (GRR-iX)

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
152.160.0.0/18 16.4K
97.1%
123.Net, Inc. US Michigan Madison Heights
69.39.64.0/19 8.2K
58.4%
123.Net, Inc. US Michigan Sterling
152.160.96.0/19 8.2K
92.7%
123.Net, Inc. US Michigan Detroit
207.91.224.0/19 8.2K
31.3%
123.Net, Inc. US Michigan Allegan
209.131.0.0/19 8.2K
99.0%
123.Net, Inc. US Michigan Bloomfield Hills
65.183.176.0/20 4.1K
71.8%
123.Net, Inc. US Michigan Detroit
66.103.224.0/20 4.1K
91.7%
123.Net, Inc. US Michigan Detroit
74.126.0.0/20 4.1K
74.0%
123.Net, Inc. US Michigan Warren
152.160.64.0/20 4.1K
98.9%
123.Net, Inc. US Michigan West Bloomfield
152.160.128.0/20 4.1K
98.8%
123.Net, Inc. US Michigan Grand Rapids
152.160.160.0/20 4.1K
92.6%
123.Net, Inc. US Michigan Grand Rapids
192.96.208.0/20 4.1K
8.4%
123.Net, Inc. US Michigan Flint
204.232.80.0/20 4.1K
57.4%
123.Net, Inc. US Michigan Oak Park
205.251.176.0/20 4.1K
38.4%
123.Net, Inc. US Michigan Detroit
207.91.208.0/20 4.1K
0.0%
123.Net, Inc. US Michigan Saline
209.103.128.0/20 4.1K
0.4%
123.Net, Inc. US — —
209.124.48.0/20 4.1K
72.6%
123.Net, Inc. US Michigan Grand Rapids
216.109.192.0/20 4.1K
70.9%
123.Net, Inc. US Michigan Detroit
216.150.224.0/20 4.1K
55.8%
123.Net, Inc. US Michigan Royal Oak
216.234.96.0/20 4.1K
90.8%
123.Net, Inc. US Michigan Highland Park
65.183.160.0/21 2.0K
79.9%
123.Net, Inc. US — —
66.51.152.0/21 2.0K
50.5%
123.Net, Inc. US Michigan Oak Park
66.103.248.0/21 2.0K
73.5%
123.Net, Inc. US Michigan Detroit
67.214.120.0/21 2.0K
28.6%
123.Net, Inc. US — —
74.126.24.0/21 2.0K
97.9%
123.Net, Inc. US Michigan Garden City
152.160.88.0/21 2.0K
98.9%
123.Net, Inc. US Michigan Auburn Hills
152.160.152.0/21 2.0K
73.8%
123.Net, Inc. US — —
152.160.184.0/21 2.0K
98.5%
123.Net, Inc. US — —
199.249.0.0/21 2.0K
98.4%
123.Net, Inc. US Michigan Grand Rapids
207.91.200.0/21 2.0K
37.0%
123.Net, Inc. US Michigan Holland
209.124.40.0/21 2.0K
61.7%
123.Net, Inc. US — —
216.234.120.0/21 2.0K
98.9%
123.Net, Inc. US — —
65.183.168.0/22 1.0K
43.3%
123.Net, Inc. US — —
66.51.144.0/22 1.0K
26.4%
123.Net, Inc. US — —
66.103.240.0/22 1.0K
0.0%
123.Net, Inc. US — —
67.214.112.0/22 1.0K
73.8%
123.Net, Inc. US — —
74.126.20.0/22 1.0K
49.6%
123.Net, Inc. US Michigan Royal Oak
130.44.28.0/22 1.0K
0.0%
123.Net, Inc. US Michigan Romeo
130.51.212.0/22 1.0K
0.0%
123.Net, Inc. US — —
152.160.84.0/22 1.0K
98.6%
123.Net, Inc. US Michigan Auburn Hills
152.160.148.0/22 1.0K
99.0%
123.Net, Inc. US — —
152.160.176.0/22 1.0K
49.2%
123.Net, Inc. US — —
198.3.44.0/22 1.0K
0.0%
123.Net, Inc. US — —
199.167.252.0/22 1.0K
96.3%
123.Net, Inc. US — —
199.231.52.0/22 1.0K
98.8%
123.Net, Inc. US Michigan Detroit
207.91.196.0/22 1.0K
98.5%
123.Net, Inc. US Michigan Dearborn
209.124.32.0/22 1.0K
53.5%
123.Net, Inc. US — —
216.234.116.0/22 1.0K
91.1%
123.Net, Inc. US — —
65.183.174.0/23 512
85.0%
123.Net, Inc. US — —
66.103.246.0/23 512
96.1%
123.Net, Inc. US — —
67.214.116.0/23 512
14.5%
123.Net, Inc. US — —
69.54.68.0/23 512
98.8%
123.Net, Inc. US — —
74.126.18.0/23 512
98.6%
123.Net, Inc. US Michigan Ypsilanti
152.160.80.0/23 512
98.4%
123.Net, Inc. US — —
152.160.146.0/23 512
99.2%
123.Net, Inc. US — —
152.160.182.0/23 512
99.0%
123.Net, Inc. US — —
192.159.68.0/23 512
0.6%
123.Net, Inc. US Michigan Romeo
199.33.234.0/23 512
0.0%
123.Net, Inc. US — —
207.91.194.0/23 512
0.0%
123.Net, Inc. US Michigan Farmington Hills
209.124.36.0/23 512
22.7%
123.Net, Inc. US — —
216.234.112.0/23 512
88.3%
123.Net, Inc. US — —
65.183.173.0/24 256
96.5%
123.Net, Inc. US — —
66.51.149.0/24 256
0.0%
123.Net, Inc. US — —
66.51.150.0/24 256
3.5%
123.Net, Inc. US — —
66.103.245.0/24 256
0.0%
123.Net, Inc. US — —
67.214.118.0/24 256
98.0%
123.Net, Inc. US — —
74.126.17.0/24 256
14.8%
123.Net, Inc. US — —
149.19.205.0/24 256
0.0%
123.Net, Inc. US — —
152.160.82.0/24 256
99.2%
123.Net, Inc. US — —
152.160.144.0/24 256
100.0%
123.Net, Inc. US — —
152.160.181.0/24 256
97.3%
123.Net, Inc. US — —
192.149.240.0/24 256
0.0%
123.Net, Inc. US — —
192.153.192.0/24 256
0.0%
123.Net, Inc. US — —
198.153.129.0/24 256
1.2%
123.Net, Inc. US — —
204.106.17.0/24 256
0.4%
123.Net, Inc. US — —
205.137.160.0/24 256
0.4%
123.Net, Inc. US — —
207.91.193.0/24 256
0.0%
123.Net, Inc. US Michigan Farmington Hills
208.86.112.0/24 256
0.0%
123.Net, Inc. US — —
209.124.38.0/24 256
98.8%
123.Net, Inc. US — —
216.234.114.0/24 256
98.8%
123.Net, Inc. US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS12129 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
152.160.110.0/24 88,178 2026-10-27 10:25:14
152.160.192.0/18 46,612 2026-06-13 16:41:26
207.91.192.0/24 45,525 2026-06-13 16:41:26
152.160.140.0/22 18,348 2026-10-27 10:26:28
152.160.160.0/20 18,310 2026-10-27 10:26:37
152.160.144.0/22 18,101 2026-10-27 10:26:26
152.160.184.0/21 18,084 2026-10-27 10:26:32
152.160.0.0/17 17,579 2026-10-27 10:25:51
69.54.68.0/24 17,537 2026-10-27 10:26:45
69.54.69.0/24 17,499 2026-10-27 10:26:45
152.160.128.0/18 17,323 2026-10-27 10:26:29
199.167.252.0/22 17,156 2026-10-27 10:26:33
207.91.232.0/21 16,692 2026-10-27 10:26:09
207.91.200.0/21 16,583 2026-10-27 10:26:18
209.124.56.0/22 16,544 2026-10-27 10:25:51
199.249.0.0/21 16,133 2026-10-27 10:25:54
130.51.212.0/22 15,762 2026-10-27 10:26:30
205.251.176.0/20 15,513 2026-10-27 10:26:28
207.91.192.0/18 15,494 2026-10-27 10:26:16
74.126.0.0/19 15,477 2026-10-27 10:26:36
67.214.112.0/20 15,475 2026-10-27 10:26:18
65.183.160.0/19 15,473 2026-10-27 10:26:04
66.103.224.0/19 15,453 2026-10-27 10:26:04
66.51.144.0/20 15,452 2026-10-27 10:25:53
69.39.64.0/19 15,440 2026-10-27 10:26:30
204.106.17.0/24 15,428 2026-10-27 10:26:21
209.131.0.0/19 15,395 2026-10-27 10:26:46
74.126.12.0/24 15,386 2026-10-27 10:26:38
216.150.224.0/20 15,318 2026-10-27 10:26:16
204.232.80.0/20 15,275 2026-10-27 10:26:04
209.124.32.0/19 15,237 2026-10-27 10:25:41
216.109.192.0/20 15,196 2026-10-27 10:26:34
216.234.96.0/19 15,195 2026-10-27 10:25:48
192.96.208.0/20 15,190 2026-10-27 10:26:28
199.231.52.0/22 15,171 2026-10-27 10:26:20
199.33.234.0/23 15,037 2026-10-27 10:26:33
130.44.28.0/22 14,965 2026-10-27 10:25:58
198.153.129.0/24 14,936 2026-10-27 10:25:54
208.86.112.0/24 14,874 2026-10-27 10:26:52
149.19.205.0/24 14,843 2026-10-27 10:25:49
209.103.128.0/20 14,821 2026-10-27 10:26:42
192.159.68.0/23 14,807 2026-10-27 10:26:52
198.3.47.0/24 14,789 2026-10-27 10:26:47
198.3.44.0/24 14,773 2026-10-27 10:26:47
198.3.45.0/24 14,763 2026-10-27 10:26:48
198.3.46.0/24 14,733 2026-10-27 10:26:47
192.153.192.0/24 14,728 2026-10-27 10:26:17
192.149.240.0/24 14,710 2026-10-27 10:26:17
209.124.52.0/23 13,477 2026-10-27 10:24:16
37.221.109.0/24 10,928 2026-08-26 05:58:25

Showing top 50 of 60 announced prefixes by sample volume.

Frequently Asked Questions

What is AS12129?

AS12129 is an Autonomous System Number assigned to 123.Net, 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 AS12129 announce?

AS12129 announces 162.8K IPv4 addresses distributed across 79 routed CIDR prefixes. The network is registered in United States.

Who operates AS12129?

AS12129 is operated by 123.Net, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS12129 registered in?

AS12129 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: 2026-10-27 10:39:06 UTC
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