1. All IP Ranges
  2. 172.0.0.0/8
  3. 172.83.0.0/16
  4. AS209242  | 172.83.73.0/24

172.83.73.0/24

AS209242  ·  Cloudflare London, LLC

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Summary

Country United States
Domain transunion.com
ASN AS209242
Registry ARIN
ID TUL-7

WHOIS Details

NetHandle:      NET-172-83-72-0-1
OrgID:          TUL-7
Parent:         NET-172-0-0-0-0
NetName:        TUL-7
NetRange:       172.83.72.0 - 172.83.79.255
NetType:        allocation
Comment:        As of May 12, 2022, this address is announced by CloudFlare pursuant to a Letter of Agency on file with CloudFlare.
Comment:         
RegDate:        2022-03-30
Updated:        2024-11-07
Source:         ARIN


OrgID:          TUL-7
OrgName:        Trans Union, LLC
CanAllocate:    
Street:         555 W. Adams
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60661
RegDate:        2007-06-06
Updated:        2025-08-05
OrgAdminHandle: TIQ-ARIN
OrgTechHandle:  CALDE247-ARIN
OrgTechHandle:  NETWO10022-ARIN
OrgTechHandle:  TIQ-ARIN
OrgAbuseHandle: GOC10-ARIN
OrgAbuseHandle: NETWO10022-ARIN
Source:         ARIN


POCHandle:      GOC10-ARIN
IsRole:         Y
LastName:       GOC
FirstName:      
Street:         555 W. Adams
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60661
RegDate:        2024-01-09
Updated:        2025-08-05
OfficePhone:    +1-312-985-4362
Mailbox:        GOC@transunion.com
Source:         ARIN


POCHandle:      CALDE247-ARIN
IsRole:         N
LastName:       Calderon
FirstName:      Andrey
Street:         555 W Adams St
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60661
RegDate:        2025-08-05
Updated:        2025-08-05
OfficePhone:    +1-888-888-8888
Mailbox:        andrey.calderon@transunion.com
Source:         ARIN


POCHandle:      TIQ-ARIN
IsRole:         N
LastName:       Iqbal
FirstName:      Tariq
Street:         555 W. Adams
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60661
RegDate:        2007-06-06
Updated:        2025-01-08
OfficePhone:    +1-312-985-3889
MobilePhone:    +1-773-858-8166
Mailbox:        tiqbal@transunion.com
Source:         ARIN


POCHandle:      NETWO10022-ARIN
IsRole:         Y
LastName:       Network Operations
FirstName:      
Street:         555 W. Adams
City:           Chicago
State/Prov:     IL
Country:        US
PostalCode:     60661
RegDate:        2024-01-09
Updated:        2025-01-08
OfficePhone:    +1-312-985-4362
Mailbox:        PDLNETWORKOPS@transunion.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 172.83.0.0/16

Range ASN Company Num of IPs
172.83.208.0/20 AS29974 Wightman Telecom 4,096
172.83.224.0/20 AS40523 OACYS TECHNOLOGY 4,096
172.83.136.0/21 AS54623 One Internet America, LLC 2,048
172.83.96.0/21 AS395927 Mile High Networks, LLC 2,048
172.83.128.0/21 AS16942 Citizens Telephone Cooperative 2,048
172.83.64.0/22 AS47054 JetWire, INC 1,024
172.83.252.0/22 AS213954 Caache LLC 1,024
172.83.68.0/22 AS62969 ABC Allen Business Communications Ltd 1,024
172.83.88.0/22 AS64290 Server ISP 1,024
172.83.108.0/22 AS396243 Convergence Communications 1,024
172.83.4.0/22 AS13415 FirstDigital Communications, LLC 1,024
172.83.56.0/22 AS397569 TELUS Communications Inc. 1,024
172.83.120.0/22 AS397572 Delta Community Credit Union 1,024
172.83.52.0/22 AS36267 BPVN LLC 1,024
172.83.86.0/23 AS16509 Arbeit Software 512
172.83.92.0/24 AS29990 Xandr Inc. 256
172.83.0.0/24 AS30549 Lakeland Networks 256
172.83.185.0/24 AS31863 Owned-Networks Lenoir 256
172.83.2.0/24 AS31902 Open Technology Solutions, LLC 256
172.83.205.0/24 AS32198 Martin's Famous Pastry Shoppe, Inc. 256
172.83.95.0/24 AS33206 Estech Systems, Inc 256
172.83.81.0/24 AS34081 Initcore S.L.U. IPv4 network # 1. 256
172.83.251.0/24 AS393375 Bio-Techne Corporation 256
172.83.206.0/24 AS393434 Air Link Networks 256
172.83.144.0/24 AS393635 Area-Wide Technologies, Inc 256
172.83.150.0/24 AS394470 Ecloud360 256
172.83.204.0/24 AS396057 Credit Union of Denver 256
172.83.48.0/24 AS396155 City of Arlington 256
172.83.50.0/24 AS396233 TeleMate.Net Software, LLC 256
172.83.148.0/24 AS396235 Town of Davie 256
172.83.3.0/24 AS396279 WASHINGTON ELECTRIC COOPERATIVE, INC. 256
172.83.147.0/24 AS396898 Capital City Home Loans 256
172.83.249.0/24 AS397903 Springcom 256
172.83.49.0/24 AS399346 St Mary's University 256
172.83.248.0/24 AS401024 Terra Nova Telecom, Inc. 256
172.83.178.0/24 AS40676 Dedicated Boxes 256
172.83.179.0/24 AS40676 Shawn King (Dedicated Boxes) 256
172.83.180.0/24 AS40676 Shawn King (Dedicated Boxes) 256
172.83.40.0/24 AS46562 Total server solutions 256
172.83.41.0/24 AS46562 Total server solutions LLC 256
172.83.42.0/24 AS46562 Total server solutions LLC 256
172.83.43.0/24 AS46562 Total server solutions 256
172.83.44.0/24 AS46562 Total server solutions 256
172.83.46.0/24 AS46562 Total Server Solutions L.L.C. 256
172.83.47.0/24 AS46562 Total Server Solutions L.L.C. 256
172.83.152.0/24 AS50131 Spartan Host Ltd 256
172.83.126.0/24 AS54714 Bold Technologies, Ltd. 256
172.83.149.0/24 AS62642 Bastyr University 256
172.83.83.0/24 AS1037 RBDC, Inc. 256
172.83.177.0/24 AS8100 Stine Roberg 256

Hosted domains

There are 18 domain names hosted across 8 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
172.83.73.160 confirmafr.com 5
172.83.73.250 transunion.co.tt 3
172.83.73.251 transuniondecisioncentre.com.do 3
172.83.73.252 transunion.com.hn 2
172.83.73.254 testimvrs.com 2
172.83.73.240 argustoolkit.com 2
172.83.73.253 commercesignals.com 1
172.83.73.236 transunion.com.hn 1

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
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Pingable IPs

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

IP Address ASN Details
172.83.73.147 AS209242 Cloudflare London, LLC 0.11ms from Wrocław, PL

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
72.206.75.184 AS22773 Cox Communications Inc. 0.56ms from Atlanta, US
35.162.234.56 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
105.191.94.232 AS36925 MEDITELECOM 17.03ms from Casablanca, MA
78.152.214.248 AS15502 Vodafone Ireland Limited 3.51ms from Dublin, IE
52.48.71.216 AS16509 Amazon.com, Inc. 0.16ms from Dublin, IE
217.252.228.40 AS3320 Deutsche Telekom AG 2.58ms from Duesseldorf, DE
9.223.233.232 AS8075 Microsoft Corporation 0.22ms from Gaevle, SE
113.191.25.168 AS45899 VNPT Corp 2.10ms from Hanoi, VN
139.182.112.104 AS2152 CENIC 2.71ms from Los Angeles, US
85.52.148.232 AS12479 Orange Espagne SA 18.65ms from Madrid, ES
73.27.207.120 AS7922 Comcast Cable Communications, LLC 7.33ms from Miami, US
91.41.178.152 AS3320 Deutsche Telekom AG 3.23ms from Nuernberg, DE
41.108.60.248 AS36947 Telecom Algeria 13.34ms from Algiers, DZ
62.238.212.120 AS15435 DELTA Fiber Nederland B.V. 6.56ms from Amsterdam, NL
170.9.206.72 AS31898 Oracle Corporation 0.36ms from Ashburn, US
61.91.177.88 AS7470 TRUE INTERNET Co.,Ltd. 1.74ms from Bangkok, TH
83.196.177.56 AS3215 Orange S.A. 8.48ms from Frankfurt am Main, DE
91.255.3.248 AS1267 WIND TRE S.P.A. 11.99ms from Frosinone, IT
81.101.22.88 AS5089 Virgin Media Limited 4.27ms from London, GB
79.57.209.232 AS3269 Telecom Italia S.p.A. 8.79ms from Milan, IT
126.85.37.104 AS17676 SoftBank Corp. 2.55ms from Osaka, JP
183.76.109.184 AS4685 Asahi Net 14.79ms from Osaka, JP
88.190.87.232 AS12322 Free SAS 8.62ms from Paris, FR
45.26.41.200 AS7018 AT&T Enterprises, LLC 6.31ms from Redding, US
201.237.222.72 AS11830 Instituto Costarricense de Electricidad y Telecom. 2.62ms from San Jose, CR

Traceroute

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

$
traceroute -a -n -q1 172.83.73.82
traceroute to 172.83.73.82 (172.83.73.82): 64 hops max, 52 byte packets
2 *
Measurement taken from IPinfo ProbeNet in Wrocław, PL
On

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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