155.163.194.0/23

AS20057  ·  AT&T Enterprises, LLC

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Summary

Country United States
Domain att.com
ASN AS20057
Parent Range 155.163.0.0/16
Registry ARIN
ID ATT-MOBILITY-LLC-155-163-0-0

WHOIS Details

NetHandle:      NET-155-163-0-0-1
OrgID:          AEL-360
Parent:         NET-155-0-0-0-0
NetName:        ATT-MOBILITY-LLC-155-163-0-0
NetRange:       155.163.0.0 - 155.163.255.255
NetType:        allocation
RegDate:        1992-03-24
Updated:        2025-03-18
Source:         ARIN


OrgID:          AEL-360
OrgName:        AT&T Enterprises, LLC
CanAllocate:    
Street:         208 S. Akard St.
City:           Dallas
State/Prov:     TX
Country:        US
PostalCode:     75202
RegDate:        2024-11-22
Updated:        2025-10-29
OrgAdminHandle: ZS44-ARIN
OrgTechHandle:  ICC-ARIN
OrgTechHandle:  ZS44-ARIN
OrgAbuseHandle: ABUSE7-ARIN
OrgRoutingHandle:   ROUTI59-ARIN
Source:         ARIN


POCHandle:      ICC-ARIN
IsRole:         Y
LastName:       IP Team
FirstName:      
Street:         200 S. Laurel AVE
City:           MIDDLETOWN
State/Prov:     NJ
Country:        US
PostalCode:     07748
RegDate:        2002-09-24
Updated:        2025-08-18
OfficePhone:    +1-888-876-2382
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ZS44-ARIN
IsRole:         Y
LastName:       IPAdmin-ATT Internet Services
FirstName:      
Street:         7277 164th Ave NE
Street:         Attn: IP Management
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
RegDate:        2000-05-17
Updated:        2025-08-18
OfficePhone:    +1-888-510-5545
Mailbox:        [email protected]
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ABUSE7-ARIN
IsRole:         Y
LastName:       abuse
FirstName:      
Street:         2701 W 15th ST
City:           Plano
State/Prov:     TX
Country:        US
PostalCode:     75075
RegDate:        2002-08-24
Updated:        2025-08-18
OfficePhone:    +1-919-319-8167
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 155.163.194.0/23

Range ASN Company Num of IPs
155.163.0.0/16 AS20057 AT&T Enterprises, LLC 65,536

Nearby Ranges

BGP prefixes that overlap with 155.163.0.0/16

Range ASN Company Num of IPs
155.163.0.0/16 AS20057 AT&T Enterprises, LLC 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
155.163.195.4 AS20057 AT&T Enterprises, LLC 43.70ms from Ashburn, US
155.163.194.69 AS20057 AT&T Enterprises, LLC 2.51ms from Ashburn, 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
175.146.76.23 AS4837 CHINA UNICOM China169 Backbone 9.13ms from Dalian, CN
91.35.39.135 AS3320 Deutsche Telekom AG 4.32ms from Duesseldorf, DE
198.161.119.7 AS26871 Edmonton Public School Board, District No. 7 0.95ms from Edmonton, CA
162.205.104.39 AS7018 AT&T Enterprises, LLC 2.82ms from Houston, US
65.66.141.23 AS7018 AT&T Enterprises, LLC 1.26ms from Kansas City, US
180.72.11.247 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 7.03ms from Kuala Lumpur, MY
82.223.212.23 AS8560 IONOS SE 0.78ms from Logrono, ES
147.28.96.199 AS48101 Trooli Ltd. 1.21ms from London, GB
2.139.103.231 AS3352 TELEFONICA DE ESPANA S.A.U. 2.28ms from Madrid, ES
43.174.222.151 AS139341 ACE 0.08ms from Manila, PH
37.235.166.87 AS41268 Sesameware FZ-LLC 7.95ms from Moscow, RU
94.79.19.23 AS48614 ITSOFT LLC 1.10ms from Moscow, RU
58.3.177.87 AS7679 QTnet,Inc. 10.08ms from Osaka, JP
88.100.202.215 AS5610 O2 Czech Republic, a.s. 9.81ms from Prague, CZ
191.185.70.199 AS28573 Claro NXT Telecomunicacoes Ltda 13.43ms from Rio de Janeiro, BR
118.167.17.183 AS3462 Data Communication Business Group 1.64ms from Taipei, TW
221.44.164.231 AS17676 SoftBank Corp. 3.61ms from Tokyo, JP
178.129.85.183 AS28812 PJSC Bashinformsvyaz 9.19ms from Yekaterinburg, RU
188.142.108.167 AS1136 KPN B.V. 2.81ms from Amsterdam, NL
181.221.121.7 AS28573 Claro NXT Telecomunicacoes Ltda 16.73ms from Fortaleza, BR
82.221.60.7 AS44515 Advania Island ehf 0.56ms from Hafnarfjoerdur, IS
39.45.117.39 AS17557 Pakistan Telecommunication Company Limited 3.52ms from Lahore, PK
76.86.62.151 AS20001 Charter Communications Inc 6.46ms from Los Angeles, US
66.27.175.7 AS20001 Charter Communications Inc 11.29ms from Los Angeles, US
6.4.19.231 AS668 United States Department of Defense (DoD) 1.78ms from Los Angeles, 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 -m15 155.163.195.159
traceroute to 155.163.195.159 (155.163.195.159): 15 hops max, 52 byte packets
5 [AS2914] 129.250.5.38 0.385 ms
7 [AS7018] 32.130.91.66 8.175 ms
8 *
9 *
10 *
11 *
13 *
14 *
15 *
Measurement taken from IPinfo ProbeNet in New York 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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