204.106.17.0/24

AS12129 · 123.Net, Inc.

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Summary

Country	United States
Domain	altarum.org
ASN	AS12129
Registry	ARIN
ID	ALTARUM-NET1

WHOIS Details

NetHandle:      NET-204-106-17-0-1
OrgID:          ALTARU-1
Parent:         NET-204-0-0-0-0
NetName:        ALTARUM-NET1
NetRange:       204.106.17.0 - 204.106.31.255
NetType:        allocation
RegDate:        1994-07-21
Updated:        2021-12-14
TechHandle:     AWE23-ARIN
AbuseHandle:    STO6-ARIN
NOCHandle:      AWE23-ARIN
Source:         ARIN


OrgID:          ALTARU-1
OrgName:        Altarum Institute
CanAllocate:    
Street:         26200 Town Center Drive
Street:         Suite 350
City:           Novi
State/Prov:     MI
Country:        US
PostalCode:     48375
RegDate:        2002-08-22
Updated:        2025-07-08
OrgAdminHandle: IN-ORG-ARIN
OrgTechHandle:  JPP8-ARIN
OrgTechHandle:  TABAC6-ARIN
OrgAbuseHandle: JPP8-ARIN
OrgAbuseHandle: TABAC6-ARIN
OrgNOCHandle:   JPP8-ARIN
OrgNOCHandle:   TABAC6-ARIN
Source:         ARIN


POCHandle:      AWE23-ARIN
IsRole:         N
LastName:       Wendt
FirstName:      Al
Street:         3520 Green Court
Street:         Suite 300
City:           Ann Arbor
State/Prov:     MI
Country:        US
PostalCode:     48105
RegDate:        2004-09-10
Updated:        2022-11-23
OfficePhone:    +1-734-302-4707
Mailbox:        AL.WENDT@altarum.org
Source:         ARIN


POCHandle:      STO6-ARIN
IsRole:         N
LastName:       Towell
FirstName:      Steve
Street:         3520 Green Court
Street:         Suite 300
City:           Ann Arbor
State/Prov:     MI
Country:        US
PostalCode:     48105
RegDate:        2003-12-17
Updated:        2018-11-27
OfficePhone:    +1-734-302-4706
Mailbox:        steve.towell@altarum.org
Source:         ARIN


POCHandle:      TABAC6-ARIN
IsRole:         Y
LastName:       TABAC4-ARIN
FirstName:      
Street:         3520 Green Court
City:           Novi
State/Prov:     MI
Country:        US
PostalCode:     48375
RegDate:        2025-07-07
Updated:        2025-07-07
OfficePhone:    +1-734-302-4710
MobilePhone:    +1-616-881-9625
Mailbox:        ray.tabaczka@altarum.org
Source:         ARIN


POCHandle:      JPP8-ARIN
IsRole:         N
LastName:       Powers
FirstName:      Jeremiah
Street:         26200 Town Center Drive
Street:         Suite 350
City:           Novi
State/Prov:     MI
Country:        US
PostalCode:     48375
RegDate:        2025-07-08
Updated:        2025-07-08
OfficePhone:    +1-734-302-4709
Mailbox:        jerry.powers@altarum.org
Source:         ARIN


POCHandle:      IN-ORG-ARIN
IsRole:         Y
LastName:       Internet Number Administrator
FirstName:      
Street:         880 Technology Dr.,  Suite B
City:           Ann Arbor
State/Prov:     MI
Country:        US
PostalCode:     48108-8963
RegDate:        1999-02-18
Updated:        2025-11-24
OfficePhone:    +1-734-763-3448
FaxPhone:       +1-734-527-5790
Mailbox:        ipreg@merit.edu
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 204.106.0.0/16

Range	ASN	Company	Num of IPs
204.106.240.0/20	AS47038	DMCI Broadband, LLC.	4,096
204.106.232.0/21	AS26088	Inland Internet	2,048
204.106.228.0/22	AS23314	Summit Broadband	1,024
204.106.16.0/24	AS397040	Supernus Pharmaceuticals, Inc.	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
204.175.9.88	AS15057 Verizon Business	`0.07ms` from Ashburn, US
47.253.248.8	AS45102 Alibaba (US) Technology Co., Ltd.	`0.30ms` from Ashburn, US
123.118.9.136	AS4808 China Unicom Beijing Province Network	`3.40ms` from Beijing, CN
166.165.202.248	AS6167 Verizon Business	`16.73ms` from Chicago, US
18.167.151.200	AS16509 Amazon.com, Inc.	`0.14ms` from Hong Kong, HK
112.171.189.24	AS4766 Korea Telecom	`0.86ms` from Incheon, KR
13.43.122.168	AS16509 Amazon.com, Inc.	`0.66ms` from London, GB
109.181.135.136	AS2856 British Telecommunications PLC	`5.16ms` from London, GB
90.196.112.88	AS5607 Sky UK Limited	`1.41ms` from London, GB
122.52.58.184	AS9299 Philippine Long Distance Telephone Company	`0.65ms` from Manila, PH
34.111.169.152	AS396982 Google LLC	`0.07ms` from Melbourne, AU
59.95.123.104	AS9829 National Internet Backbone	`13.92ms` from Mumbai, IN
54.163.4.200	AS14618 Amazon.com, Inc.	`0.35ms` from Reston, US
97.214.150.200	AS6167 Verizon Business	`13.22ms` from San Jose, US
191.234.154.152	AS8075 Microsoft Corporation	`0.84ms` from Sao Paulo, BR
119.3.109.40	AS55990 Huawei Cloud Service data center	`2.68ms` from Shanghai, CN
113.226.65.72	AS4837 CHINA UNICOM China169 Backbone	`8.03ms` from Tieling, CN
130.75.78.8	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`5.07ms` from Berlin, DE
156.205.127.168	AS8452 TE-AS	`4.24ms` from Cairo, EG
192.129.131.104	AS54290 Hostwinds LLC.	`0.27ms` from Dallas, US
134.161.97.184	AS22594 University of Northern Iowa	`5.92ms` from Des Moines, US
167.142.242.120	AS5056 Aureon Network Services	`5.31ms` from Kansas City, US
126.109.197.184	AS17676 SoftBank Corp.	`4.25ms` from Osaka, JP
199.231.33.8	AS11086 Pitney Bowes Incorporated	`1.39ms` from Phoenix, US
20.191.84.56	AS8075 Microsoft Corporation	`0.28ms` from Quincy, US

Traceroute

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

traceroute -a -n -q1 -f5 -m10 204.106.17.29

traceroute to 204.106.17.29 (204.106.17.29): 10 hops max, 52 byte packets

5 [AS2914] 204.2.193.26 184.851 ms

6 [AS12129] 67.214.125.193 190.408 ms

7 [AS12129] 67.214.125.196 190.142 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Hong Kong, HK

On February 7th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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