Autonomous System details

AS12129

123.Net, Inc. · 123.net

United States

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AS12129 – 123.Net, Inc.

Field	Value
Country	United States
Website	123.net
Hosted domains	14,022
IPv4 addresses	168,448
IPv6 addresses	84,184,758,374,684,317,209,839,271,936
ASN type	Hosting
Registry	arin
Allocated	27 years ago on Mar 30, 1999
Updated	14 years ago on Mar 02, 2012

Netblock	Company	Num of IPs
152.160.0.0/17	2020 Communications LLC	32,768
152.160.128.0/18	2020 Communications LLC	16,384
207.91.192.0/18	123.Net, Inc.	16,384
65.183.160.0/19	123.Net, Inc.	8,192
66.103.224.0/19	123.Net, Inc.	8,192
69.39.64.0/19	123.Net, Inc.	8,192
74.126.0.0/19	123.Net, Inc.	8,192
209.124.32.0/19	123.Net, Inc.	8,192
209.131.0.0/19	123.Net, Inc.	8,192
216.234.96.0/19	123.Net, Inc.	8,192
66.51.144.0/20	123.Net, Inc.	4,096
67.214.112.0/20	123.Net, Inc.	4,096
152.160.160.0/20	Armor System Modernization	4,096
192.96.208.0/20	Sectorlink, L.L.C.	4,096
204.232.80.0/20	123.Net, Inc.	4,096
205.251.176.0/20	123.Net, Inc.	4,096
209.103.128.0/20	EagleQuest, Inc.	4,096
216.109.192.0/20	123.Net, Inc.	4,096
216.150.224.0/20	123.Net, Inc.	4,096
152.160.184.0/21	Vergennes Broadband	2,048
199.249.0.0/21	123.Net, Inc.	2,048
207.91.200.0/21	Engineering Services Group	2,048
207.91.232.0/21	123NET-GRAND-RAPIDS-CGNAT-POOL	2,048
66.54.96.0/22	Point Broadband Fiber Holding, LLC	1,024
130.44.28.0/22	Xpert Technologies, Inc.	1,024
130.51.212.0/22	Point Broadband Fiber Holding, LLC	1,024
152.160.140.0/22	Marc Analysis Research Corporation	1,024
152.160.144.0/22	Vergennes Broadband	1,024
199.167.252.0/22	SAMSA	1,024
199.231.52.0/22	123.Net, Inc.	1,024
209.124.56.0/22	Vergennes Broadband	1,024
181.214.238.0/23	IPXO	512
192.159.68.0/23	Xpert Technologies, Inc.	512
199.33.234.0/23	Marketing Force	512
209.124.52.0/23	Detroit Internet Exchange (DIX)	512
37.221.109.0/24	Beyond Tomorrow Ltd	256
69.87.152.0/24	The Iserv Company, LLC	256
74.126.12.0/24	EXEDigital	256
147.189.140.0/24	SMARTHOST, LLC	256
149.19.205.0/24	CTITINC	256
152.160.110.0/24	InterConnect of Ann Arbor	256
176.111.221.0/24	SMARTHOST, LLC	256
192.149.240.0/24	Ascent Technologies, Inc	256
192.153.192.0/24	National Center for Manufacturing Sciences	256
198.3.44.0/24	National Center for Manufacturing Sciences	256
198.3.45.0/24	National Center for Manufacturing Sciences	256
198.3.46.0/24	National Center for Manufacturing Sciences	256
198.3.47.0/24	National Center for Manufacturing Sciences	256
198.153.129.0/24	Marketing Force	256
204.106.17.0/24	Altarum Institute	256
205.137.160.0/24	Flint Group Incorporated	256
206.168.80.0/24	Dash Cloud	256
208.86.112.0/24	NetOne, Inc	256

Netblock	Company
2607:f790::/32	123.Net, Inc.
2607:f790:e000::/36	123NET-GRAND-RAPIDS-V6-POOL
2606:6680:29::/48	SmartHost LLC
2606:6680:30::/48	SmartHost LLC
2620:84:c000::/48	SAMSA
2620:11f:7008::/48	Interconnecx, LLC

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IP Ranges API

WHOIS Details

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                                                ASHandle:       AS12129
                                                OrgID:          AS12129
                                                ASName:         AS12129
                                                ASNumber:       AS12129
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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IP WHOIS API & Database

Hosted Domains

There are 14,022 domain names hosted across 1,606 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
192.96.217.170	██████████	1,153
192.96.210.11	██████████	681
192.96.210.21	██████████	654
192.96.210.51	██████████	642
192.96.210.22	██████████	612
192.96.210.27	██████████	609
192.96.210.73	██████████	603
192.96.210.16	██████████	595
192.96.210.12	██████████	286
192.96.211.80	██████████	274

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Hosted Domains API & Database

Peers

There are 118 peers for this ASN.

Peers	Name
AS1021	CV Tech
AS10423	STELLAR Broadband
AS1074	Production Networks, LLC
AS11115	Otava, LLC
AS12088	North American Bancard, LLC
AS1299	Arelion Sweden AB
AS13549	Mercury Network Corporation
AS13737	Interconnecx, LLC
AS13828	I-2000, Inc.
AS14374	Agri-Valley Services Corporation
AS14537	Continent 8 LLC
AS14711	INGERSOLL CUTTING TOOL COMPANY
AS14938	Bullseye Telecom
AS15154	Network Services Group
AS16556	TotalChoice Hosting, LLC
AS16735	ALGAR TELECOM S/A
AS16939	CARETECH SOLUTIONS INC
AS17143	Winn Telecom
AS174	Cogent Communications, LLC
AS18106	Viewqwest Pte Ltd
AS19031	CU*Answers, Inc.
AS19151	BroadbandONE, LLC
AS19224	Quantum Services Group, LLC.
AS19239	KLA Corporation
AS19653	CTS Communications Corp
AS19748	Sector Link LLC.
AS19754	The Fusion Network, LLC
AS19901	Brightspeed
AS199524	G-Core Labs S.A.
AS2015	Msen, Inc.
AS20205	Amplex Electric, Inc.
AS212132	Evolution Latvia SIA
AS215129	Wodarek Productions LLC
AS21527	Daystarr Communications
AS22379	Manifold Services Inc
AS22802	Amerisure Mutual Insurance Company
AS22878	ACENET, INC.
AS22941	The HelpDesk Inc
AS2381	WiscNet
AS26109	L. Perrigo Company
AS26364	RDV Corporation
AS267	Nether.Net
AS27216	Air Advantage LLC
AS286	GTT Communications Inc.
AS2914	NTT America, Inc.
AS30600	Metronet
AS31923	The Auto Club Group
AS32002	RackGenius
AS32477	Otava, LLC
AS3257	GTT Communications Inc.
AS32590	Valve Corporation
AS33418	Detroit Community Technology Project
AS33488	Providence Park Medical Building Group, LLC
AS3356	Level 3 Parent, LLC
AS3389	Ford Motor Company
AS36127	Miller Canfield
AS36197	Computer Data, Inc.
AS36349	3Essentials Inc.
AS36394	Grid4 Communications, Inc
AS393256	DTE Energy Company
AS393474	St. Clair County Regional Educational Service Agency
AS393665	Baker College
AS394004	Hurley Medical Center
AS394160	Advanced Radiology Services, P.C.
AS394398	Client Financial Services of Michigan, LLC
AS394952	Lake Michigan Credit Union
AS394960	Worksighted Inc
AS395813	Michigan Central Innovation District, LLC
AS396998	Path Network, Inc.
AS397085	Signal Restoration Services
AS397282	Castle VPN
AS397678	Red Rock Information Security, LLC
AS398085	Trinity Health IHA Medical Group
AS398233	IVSComm, Inc
AS398351	May Mobility, Inc
AS398953	ABC Warehouse
AS399293	Hollingsworth Logistics Group LLC
AS399308	UFP Industries, Inc.
AS399593	DWIHN
AS399741	BAE Networks
AS40089	Bullhorn Inc.
AS401215	MITCHELL PLASTICS
AS401307	Michigan Statewide Educational Network
AS401313	Novacoast Inc
AS40234	Rapidparts, Inc.
AS40599	Gentex Corporation
AS40956	Northwood University
AS4181	TDS TELECOM
AS46208	Peninsula Fiber Network, LLC
AS46450	Pilot Fiber, Inc.
AS46492	Southwestern Michigan College
AS46569	Walsh College of Accountancy and Business Administration
AS46670	MARKETING ASSOCIATES, LLC
AS49544	i3D.net B.V
AS53263	Grand Rapids Community College
AS53352	Henry Ford Health System
AS53505	Huntington Place
AS53828	NETWORK INNOVATIONS, LLC
AS54163	AHOSTING
AS54178	Urban Science Applications, Inc.

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ASN API & Database

Upstreams

There are 9 upstreams for this ASN.

upstreams	Name
AS1299	Arelion Sweden AB
AS174	Cogent Communications, LLC
AS2914	NTT America, Inc.
AS3257	GTT Communications Inc.
AS3356	Level 3 Parent, LLC
AS396998	Path Network, Inc.
AS6453	TATA COMMUNICATIONS (AMERICA) INC
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC

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ASN API & Database

Downstreams

There are 89 downstreams for this ASN.

Downstreams	Name
AS1021	CV Tech
AS10423	STELLAR Broadband
AS1074	Production Networks, LLC
AS11115	Otava, LLC
AS12088	North American Bancard, LLC
AS13549	Mercury Network Corporation
AS13737	Interconnecx, LLC
AS13828	I-2000, Inc.
AS14374	Agri-Valley Services Corporation
AS14537	Continent 8 LLC
AS14711	INGERSOLL CUTTING TOOL COMPANY
AS14938	Bullseye Telecom
AS15154	Network Services Group
AS16556	TotalChoice Hosting, LLC
AS16939	CARETECH SOLUTIONS INC
AS17143	Winn Telecom
AS19031	CU*Answers, Inc.
AS19224	Quantum Services Group, LLC.
AS19239	KLA Corporation
AS19748	Sector Link LLC.
AS19901	Brightspeed
AS2015	Msen, Inc.
AS212132	Evolution Latvia SIA
AS215129	Wodarek Productions LLC
AS21527	Daystarr Communications
AS22379	Manifold Services Inc
AS22802	Amerisure Mutual Insurance Company
AS22878	ACENET, INC.
AS22941	The HelpDesk Inc
AS26109	L. Perrigo Company
AS26364	RDV Corporation
AS267	Nether.Net
AS27216	Air Advantage LLC
AS31923	The Auto Club Group
AS32002	RackGenius
AS32477	Otava, LLC
AS33418	Detroit Community Technology Project
AS33488	Providence Park Medical Building Group, LLC
AS3389	Ford Motor Company
AS36127	Miller Canfield
AS36197	Computer Data, Inc.
AS36349	3Essentials Inc.
AS393256	DTE Energy Company
AS393474	St. Clair County Regional Educational Service Agency
AS393665	Baker College
AS394004	Hurley Medical Center
AS394160	Advanced Radiology Services, P.C.
AS394398	Client Financial Services of Michigan, LLC
AS394952	Lake Michigan Credit Union
AS394960	Worksighted Inc
AS395813	Michigan Central Innovation District, LLC
AS397085	Signal Restoration Services
AS397282	Castle VPN
AS397678	Red Rock Information Security, LLC
AS398085	Trinity Health IHA Medical Group
AS398233	IVSComm, Inc
AS398351	May Mobility, Inc
AS398953	ABC Warehouse
AS399293	Hollingsworth Logistics Group LLC
AS399308	UFP Industries, Inc.
AS399593	DWIHN
AS399741	BAE Networks
AS40089	Bullhorn Inc.
AS401215	MITCHELL PLASTICS
AS401307	Michigan Statewide Educational Network
AS401313	Novacoast Inc
AS40234	Rapidparts, Inc.
AS40599	Gentex Corporation
AS40956	Northwood University
AS46208	Peninsula Fiber Network, LLC
AS46492	Southwestern Michigan College
AS46569	Walsh College of Accountancy and Business Administration
AS46670	MARKETING ASSOCIATES, LLC
AS53263	Grand Rapids Community College
AS53352	Henry Ford Health System
AS53505	Huntington Place
AS54163	AHOSTING
AS54178	Urban Science Applications, Inc.
AS54373	Message Express Internet
AS54542	K-Data Systems, LLC
AS54840	United Wholesale Mortgage, LLC
AS54932	M3 Wireless Inc.
AS55269	Critical Signal Technologies, Inc
AS5740	WorkForce Software LLC
AS62606	Sector 7, LLC
AS62611	Cutting Edge Computers, INC.
AS63126	Aptient Consulting Group Inc.
AS64223	MITCON LLC
AS8134	Baraga Telephone Company

Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

ASN API & Database

Pingable IPs

425 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
216.234.120.1	AS12129 123.Net, Inc.	`22.95ms` from Detroit, US
152.160.35.119	AS12129 123.Net, Inc.	`0.37ms` from Detroit, US
2607:f790:d141:0:1c23:426e:ed52:55db	AS12129 123.Net, Inc.	`2.21ms` from Detroit, US
152.160.24.58	AS12129 123.Net, Inc.	`0.35ms` from Detroit, US
209.124.36.51	AS12129 123.Net, Inc.	`0.42ms` from Detroit, US
69.39.77.105	AS12129 123.Net, Inc.	`0.24ms` from Detroit, US
66.103.224.129	AS12129 123.Net, Inc.	`0.33ms` from Detroit, US
152.160.59.1	AS12129 123.Net, Inc.	`0.42ms` from Detroit, US
209.124.40.2	AS12129 123.Net, Inc.	`0.25ms` from Detroit, US
207.91.247.249	AS12129 123.Net, Inc.	`0.35ms` from Detroit, US
207.91.250.103	AS12129 123.Net, Inc.	`0.36ms` from Detroit, US
66.51.152.226	AS12129 123.Net, Inc.	`0.37ms` from Detroit, US
2606:6680:29:1::a4a0:f5f4	AS12129 123.Net, Inc.	`0.03ms` from Flint, US
2606:6680:30::1	AS12129 123.Net, Inc.	`0.22ms` from Flint, US
2607:f790:ffff:ffff::22	AS12129 123.Net, Inc.	`0.27ms` from Flint, US
207.91.204.211	AS12129 123.Net, Inc.	`0.29ms` from Grand Rapids, US
66.51.145.233	AS12129 123.Net, Inc.	`0.36ms` from Detroit, US
216.109.199.249	AS12129 123.Net, Inc.	`0.81ms` from Detroit, US
67.214.116.1	AS12129 123.Net, Inc.	`0.35ms` from Detroit, US
207.91.252.201	AS12129 123.Net, Inc.	`0.52ms` from Detroit, US
69.39.81.89	AS12129 123.Net, Inc.	`4.74ms` from Detroit, US
65.183.185.134	AS12129 123.Net, Inc.	`0.26ms` from Detroit, US
216.234.127.2	AS12129 123.Net, Inc.	`0.46ms` from Detroit, US
152.160.51.91	AS12129 123.Net, Inc.	`0.67ms` from Detroit, US
192.149.240.12	AS12129 123.Net, Inc.	`1.63ms` from Detroit, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address	ASN	Details
130.37.36.1	AS1103 SURF B.V.	`0.91ms` from Amsterdam, NL
73.180.230.1	AS7922 Comcast Cable Communications, LLC	`2.70ms` from Ashburn, US
12.138.201.113	AS7018 AT&T Enterprises, LLC	`3.58ms` from Atlanta, US
174.50.116.49	AS7922 Comcast Cable Communications, LLC	`14.18ms` from Atlanta, US
113.53.52.1	AS23969 TOT Public Company Limited	`1.57ms` from Bangkok, TH
120.15.129.145	AS4837 CHINA UNICOM China169 Backbone	`11.28ms` from Beijing, CN
188.25.184.17	AS8708 DIGI ROMANIA S.A.	`0.83ms` from Bucharest, RO
223.150.10.1	AS4134 CHINANET-BACKBONE	`4.11ms` from Changsha, CN
220.166.22.1	AS4134 CHINANET-BACKBONE	`7.01ms` from Chengdu, CN
209.214.231.145	AS7018 AT&T Enterprises, LLC	`8.26ms` from Chicago, US
73.146.184.1	AS7922 Comcast Cable Communications, LLC	`10.79ms` from Chicago, US
98.185.42.49	AS22773 Cox Communications Inc.	`12.46ms` from Dallas, US
209.159.210.1	AS20412 Clarity Telecom LLC	`8.33ms` from Denver, US
86.46.66.1	AS5466 Eircom Limited	`3.09ms` from Dublin, IE
174.3.156.1	AS6327 Shaw Communications	`1.12ms` from Edmonton, CA
67.169.12.1	AS7922 Comcast Cable Communications, LLC	`3.26ms` from Fremont, US
112.47.249.1	AS9808 China Mobile Communications Group Co., Ltd.	`8.95ms` from Fuzhou, CN
123.178.192.1	AS4134 CHINANET-BACKBONE	`8.32ms` from Hohhot, CN
12.10.0.177	AS7018 AT&T Enterprises, LLC	`1.43ms` from Houston, US
106.241.129.33	AS3786 LG DACOM Corporation	`1.78ms` from Incheon, KR
58.150.12.129	AS3786 LG DACOM Corporation	`1.98ms` from Incheon, KR
103.103.112.1	AS137258 Shirazi Investments Pvt Ltd.	`2.73ms` from Karachi, PK
200.105.147.17	AS26210 AXS Bolivia S. A.	`4.37ms` from La Paz, BO
82.15.146.1	AS5089 Virgin Media Limited	`7.02ms` from London, GB
172.88.249.65	AS20001 Charter Communications Inc	`6.06ms` from Los Angeles, US

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

traceroute -a -n -q1 -f2 -m9 199.33.235.105

traceroute to 199.33.235.105 (199.33.235.105): 9 hops max, 52 byte packets

2 [AS3356] 8.243.162.77 1.083 ms

3 [AS3356] 4.69.143.253 104.972 ms

4 *

5 *

6 [AS12129] 216.109.197.139 89.337 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Bogota, CO

On January 19th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS12129 at robtex.

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