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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 v1.2.1 — 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)

Web3 footprint

AS12129 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
152.160.0.0/18 16.4K
97.4%
123.Net, Inc. US Michigan Madison Heights
69.39.64.0/19 8.2K
58.5%
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
31.5%
123.Net, Inc. US Michigan Hamilton
209.131.0.0/19 8.2K
99.2%
123.Net, Inc. US Michigan Bloomfield Hills
65.183.176.0/20 4.1K
71.9%
123.Net, Inc. US Michigan Detroit
66.103.224.0/20 4.1K
92.0%
123.Net, Inc. US Michigan Detroit
74.126.0.0/20 4.1K
74.1%
123.Net, Inc. US Michigan Bloomfield Hills
152.160.64.0/20 4.1K
99.1%
123.Net, Inc. US Michigan West Bloomfield
152.160.128.0/20 4.1K
99.1%
123.Net, Inc. US Michigan Grand Rapids
152.160.160.0/20 4.1K
92.9%
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
57.7%
123.Net, Inc. US Michigan Oak Park
205.251.176.0/20 4.1K
38.8%
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
72.7%
123.Net, Inc. US Michigan Grand Rapids
216.109.192.0/20 4.1K
70.8%
123.Net, Inc. US Michigan Detroit
216.150.224.0/20 4.1K
55.9%
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
79.8%
123.Net, Inc. US — —
66.51.152.0/21 2.0K
50.6%
123.Net, Inc. US Michigan Birmingham
66.103.248.0/21 2.0K
73.1%
123.Net, Inc. US Michigan Detroit
67.214.120.0/21 2.0K
28.9%
123.Net, Inc. US — —
74.126.24.0/21 2.0K
98.2%
123.Net, Inc. US Michigan Garden City
152.160.88.0/21 2.0K
98.5%
123.Net, Inc. US Michigan Auburn Hills
152.160.152.0/21 2.0K
74.1%
123.Net, Inc. US — —
152.160.184.0/21 2.0K
99.1%
123.Net, Inc. US — —
199.249.0.0/21 2.0K
98.8%
123.Net, Inc. US Michigan Grand Rapids
207.91.200.0/21 2.0K
37.2%
123.Net, Inc. US Michigan Hudsonville
209.124.40.0/21 2.0K
61.8%
123.Net, Inc. US — —
216.234.120.0/21 2.0K
98.8%
123.Net, Inc. US — —
65.183.168.0/22 1.0K
43.6%
123.Net, Inc. US — —
66.51.144.0/22 1.0K
27.1%
123.Net, Inc. US — —
66.103.240.0/22 1.0K
0.0%
123.Net, Inc. US — —
67.214.112.0/22 1.0K
74.1%
123.Net, Inc. US — —
74.126.20.0/22 1.0K
49.2%
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
99.3%
123.Net, Inc. US Michigan Auburn Hills
152.160.148.0/22 1.0K
99.6%
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
96.6%
123.Net, Inc. US — —
199.231.52.0/22 1.0K
99.3%
123.Net, Inc. US Michigan Detroit
207.91.196.0/22 1.0K
99.8%
123.Net, Inc. US Michigan Livonia
209.124.32.0/22 1.0K
53.6%
123.Net, Inc. US — —
216.234.116.0/22 1.0K
91.4%
123.Net, Inc. US — —
65.183.174.0/23 512
85.9%
123.Net, Inc. US — —
66.103.246.0/23 512
97.9%
123.Net, Inc. US — —
67.214.116.0/23 512
14.8%
123.Net, Inc. US — —
69.54.68.0/23 512
98.6%
123.Net, Inc. US — —
74.126.18.0/23 512
99.2%
123.Net, Inc. US Michigan Ypsilanti
152.160.80.0/23 512
99.0%
123.Net, Inc. US — —
152.160.146.0/23 512
99.2%
123.Net, Inc. US — —
152.160.182.0/23 512
99.2%
123.Net, Inc. US — —
192.159.68.0/23 512
0.4%
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
87.5%
123.Net, Inc. US — —
65.183.173.0/24 256
98.8%
123.Net, Inc. US — —
66.51.149.0/24 256
0.0%
123.Net, Inc. US — —
66.51.150.0/24 256
3.9%
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
15.2%
123.Net, Inc. US — —
149.19.205.0/24 256
0.0%
123.Net, Inc. US — —
152.160.82.0/24 256
98.0%
123.Net, Inc. US — —
152.160.144.0/24 256
99.6%
123.Net, Inc. US — —
152.160.181.0/24 256
99.6%
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
99.6%
123.Net, Inc. US — —
216.234.114.0/24 256
97.7%
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 87,574 2026-10-15 12:14:14
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 16,947 2026-10-15 12:29:55
152.160.160.0/20 16,909 2026-10-15 12:29:55
152.160.144.0/22 16,705 2026-10-15 12:29:55
152.160.184.0/21 16,690 2026-10-15 11:19:56
152.160.0.0/17 16,155 2026-10-15 12:29:24
69.54.68.0/24 16,128 2026-10-15 12:29:25
69.54.69.0/24 16,093 2026-10-15 12:29:25
152.160.128.0/18 15,918 2026-10-15 12:29:55
199.167.252.0/22 15,758 2026-10-15 12:29:23
207.91.232.0/21 15,313 2026-10-15 12:29:55
207.91.200.0/21 15,195 2026-10-15 12:29:59
209.124.56.0/22 15,159 2026-10-15 11:19:57
199.249.0.0/21 14,745 2026-10-15 12:29:59
130.51.212.0/22 14,410 2026-10-15 12:29:25
205.251.176.0/20 14,097 2026-10-15 12:29:24
207.91.192.0/18 14,080 2026-10-15 12:29:24
74.126.0.0/19 14,076 2026-10-15 12:29:59
67.214.112.0/20 14,074 2026-10-15 12:29:55
65.183.160.0/19 14,069 2026-10-15 12:29:51
66.103.224.0/19 14,054 2026-10-15 12:26:31
66.51.144.0/20 14,048 2026-10-15 12:29:59
69.39.64.0/19 14,033 2026-10-15 12:29:27
204.106.17.0/24 14,009 2026-10-15 12:29:24
209.131.0.0/19 13,986 2026-10-15 12:29:24
74.126.12.0/24 13,982 2026-10-15 12:26:31
216.150.224.0/20 13,932 2026-10-15 12:29:55
204.232.80.0/20 13,887 2026-10-15 12:29:55
209.124.32.0/19 13,851 2026-10-15 12:29:37
216.109.192.0/20 13,813 2026-10-15 12:29:29
216.234.96.0/19 13,812 2026-10-15 12:29:29
192.96.208.0/20 13,800 2026-10-15 12:29:48
199.231.52.0/22 13,782 2026-10-15 12:29:36
199.33.234.0/23 13,705 2026-10-15 12:29:55
130.44.28.0/22 13,636 2026-10-15 12:29:47
198.153.129.0/24 13,608 2026-10-15 12:29:55
208.86.112.0/24 13,541 2026-10-15 12:29:55
149.19.205.0/24 13,508 2026-10-15 12:29:29
209.103.128.0/20 13,489 2026-10-15 12:29:53
192.159.68.0/23 13,475 2026-10-15 12:29:24
198.3.47.0/24 13,452 2026-10-15 12:29:49
198.3.44.0/24 13,437 2026-10-15 11:19:56
198.3.45.0/24 13,424 2026-10-15 11:19:56
198.3.46.0/24 13,393 2026-10-15 12:29:47
192.153.192.0/24 13,391 2026-10-15 12:29:39
192.149.240.0/24 13,378 2026-10-15 12:29:58
209.124.52.0/23 12,744 2026-10-15 11:58:09
37.221.109.0/24 10,928 2026-08-26 05:58:25

Showing top 50 of 59 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: 2026-10-15 12:39:05 UTC
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