155.99.144.0/24

AS17055  ·  University of Utah

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Summary

Country United States
Domain utah.edu
ASN AS17055
Parent Range 155.99.0.0/16
Registry ARIN
ID UTAH-E-NET

WHOIS Details

NetHandle:      NET-155-99-0-0-1
OrgID:          UNIVER-15-Z
Parent:         NET-155-0-0-0-0
NetName:        UTAH-E-NET
NetRange:       155.99.0.0 - 155.99.255.255
NetType:        allocation
Comment:        http://www.utah.edu
Comment:        helpdesk@utah.edu General Help
Comment:        nocc@utah.edu Network Operations
Comment:        hostmaster@utah.edu DNS
Comment:        abuse@utah.edu spam and other abuse
Comment:        security@utah.edu
RegDate:        1991-11-01
Updated:        2021-12-14
TechHandle:     ZU27-ARIN
Source:         ARIN


OrgID:          UNIVER-15-Z
OrgName:        University of Utah
CanAllocate:    
Street:         University of Utah
Street:         University Information Technology
Street:         102 S. 200 E., Suite 110
City:           Salt Lake City
State/Prov:     UT
Country:        US
PostalCode:     84111
Comment:        http://it.utah.edu/network
Comment:        Standard NOC hours are 7:00 AM to 6:00 PM
Comment:        After hours, please contact Helpdesk to escalate to the on call engineer.
RegDate:        2010-05-13
Updated:        2025-10-30
OrgAdminHandle: ZU27-ARIN
OrgTechHandle:  CARSE3-ARIN
OrgTechHandle:  URBAN124-ARIN
OrgAbuseHandle: ZU27-ARIN
OrgNOCHandle:   ZU27-ARIN
Source:         ARIN


POCHandle:      URBAN124-ARIN
IsRole:         N
LastName:       Urban
FirstName:      Timothy
Street:         102 South 200 East
City:           Salt Lake City
State/Prov:     UT
Country:        US
PostalCode:     84109
RegDate:        2025-10-30
Updated:        2025-10-30
OfficePhone:    +1-801-581-4000
Mailbox:        tim.urban@utah.edu
Source:         ARIN


POCHandle:      ZU27-ARIN
IsRole:         Y
LastName:       University of Utah
FirstName:      
Street:         University Information Technology - UIT
Street:         102 S. 200 E., Suite 110
City:           Salt Lake City
State/Prov:     UT
Country:        US
PostalCode:     84111
RegDate:        2000-08-07
Updated:        2025-07-01
OfficePhone:    +1-801-587-1300
MobilePhone:    +1-801-581-4000
FaxPhone:       +1-801-585-3704
Mailbox:        abuse@utah.edu
Mailbox:        hostmaster@utah.edu
Mailbox:        noc@utah.edu
Mailbox:        security@utah.edu
Source:         ARIN


POCHandle:      CARSE3-ARIN
IsRole:         N
LastName:       Carsey
FirstName:      Ray
Street:         102 South 200 East
City:           Salt Lake City
State/Prov:     UT
Country:        US
PostalCode:     84111
RegDate:        2018-01-25
Updated:        2025-06-03
OfficePhone:    +1-801-587-1302
MobilePhone:    +1-801-554-0777
Mailbox:        ray.carsey@utah.edu
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 155.99.144.0/24

Range ASN Company Num of IPs
155.99.0.0/16 AS17055 University of Utah 65,536

Nearby Ranges

BGP prefixes that overlap with 155.99.0.0/16

Range ASN Company Num of IPs
155.99.0.0/16 AS17055 University of Utah 65,536

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

Pingable IPs

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

IP Address ASN Details
155.99.144.1 AS17055 University of Utah 1.31ms from Salt Lake City, 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
20.229.44.104 AS8075 Microsoft Corporation 0.29ms from Amsterdam, NL
184.33.207.8 AS16509 Amazon.com, Inc. 0.14ms from Boardman, US
196.25.198.8 AS5713 Telkom SA Ltd. 2.00ms from Cape Town, ZA
47.108.220.72 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 0.48ms from Chengdu, CN
115.96.242.184 AS17488 Hathway IP Over Cable Internet 5.71ms from Kolkata, IN
97.189.223.88 AS6167 Verizon Business 8.03ms from Los Angeles, US
121.236.171.24 AS4134 CHINANET-BACKBONE 5.70ms from Nanjing, CN
180.29.54.184 AS4713 NTT DOCOMO BUSINESS,Inc. 2.36ms from Osaka, JP
219.114.203.56 AS9617 JCOM Co., Ltd. 10.94ms from Osaka, JP
78.153.248.88 AS30781 Free Pro SAS 0.45ms from Paris, FR
90.40.205.72 AS3215 Orange S.A. 7.64ms from Paris, FR
176.187.149.40 AS5410 Bouygues Telecom SA 2.23ms from Paris, FR
20.98.103.216 AS8075 Microsoft Corporation 0.30ms from Quincy, US
109.169.161.88 AS12389 PJSC Rostelecom 0.62ms from Samara, RU
64.110.88.120 AS31898 Oracle Corporation 0.16ms from Seoul, KR
172.188.123.24 AS8075 Microsoft Corporation 0.66ms from Singapore, SG
80.190.134.8 AS15598 NorthC Deutschland GmbH 4.87ms from Zuerich, CH
216.24.124.168 AS30200 DerbyTech Computer Works 12.77ms from Chicago, US
66.69.137.120 AS11427 Charter Communications Inc 4.69ms from Dallas, US
108.175.255.24 AS11492 CABLE ONE, INC. 9.05ms from Dallas, US
142.67.147.216 AS11260 EastLink 9.26ms from Fredericton, CA
170.64.87.136 AS15108 Allo Communications LLC 8.54ms from Lincoln, US
2.37.133.120 AS30722 Fastweb SpA 14.03ms from Milan, IT
87.182.226.232 AS3320 Deutsche Telekom AG 4.71ms from Nuernberg, DE
88.189.8.72 AS12322 Free SAS 12.68ms from Paris, FR

Traceroute

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

$
traceroute -a -n -q1 -f5 155.99.144.253
traceroute to 155.99.144.253 (155.99.144.253): 64 hops max, 52 byte packets
5 [] 149.112.13.16 0.993 ms
6 [AS210] 140.197.248.41 1.741 ms
7 [AS210] 140.197.246.177 10.933 ms
Measurement taken from IPinfo ProbeNet in Salt Lake City, US
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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