166.197.51.0/24

AS7287 · AT&T Enterprises, LLC

Need more data or want to access it via API or data downloads? Sign up to get free access

Summary

Country	United States
Domain	att.com
ASN	AS7287
Registry	ARIN
ID	AEL-360

WHOIS Details

NetHandle:      NET-166-183-0-0-1
OrgID:          AEL-360
Parent:         NET-166-0-0-0-0
NetName:        AEL-360
NetRange:       166.183.0.0 - 166.209.255.255
NetType:        allocation
RegDate:        2025-04-01
Updated:        2025-04-01
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:      ZS44-ARIN
IsRole:         Y
LastName:       IPAdmin-ATT Internet Services
FirstName:      
Street:         208 S. Akard St.
City:           Dallas
State/Prov:     TX
Country:        US
PostalCode:     75202
RegDate:        2000-05-17
Updated:        2026-02-04
OfficePhone:    +1-888-510-5545
Mailbox:        ipadmin@att.com
Mailbox:        ipadmin@semail.att.com
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:        abuse@att.net
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:        rm-ipspecialist@att.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 166.197.0.0/16

No nearby ranges found.

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

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

IP Address	ASN	Details
166.197.51.31	AS7287 AT&T Enterprises, LLC	`1.98ms` from Seattle, 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
105.110.136.72	AS36947 Telecom Algeria	`11.68ms` from Algiers, DZ
86.84.140.88	AS1136 KPN B.V.	`2.67ms` from Amsterdam, NL
74.39.201.184	AS5650 Frontier Communications of America, Inc.	`10.34ms` from Ashburn, US
83.135.59.136	AS8881 1&1 Versatel GmbH	`1.18ms` from Berlin, DE
123.144.26.120	AS4837 CHINA UNICOM China169 Backbone	`2.62ms` from Chongqing, CN
72.109.228.184	AS6167 Verizon Business	`16.51ms` from Dallas, US
80.137.178.248	AS3320 Deutsche Telekom AG	`8.02ms` from Frankfurt am Main, DE
183.80.227.8	AS18403 FPT Telecom Company	`6.24ms` from Ho Chi Minh City, VN
174.136.207.56	AS906 DMIT Cloud Services	`0.40ms` from Los Angeles, US
45.169.200.24	AS268137 Net Sini Fiber Home Telecomunicação LTDA - me	`13.99ms` from Rio de Janeiro, BR
16.145.169.88	AS16509 Amazon.com, Inc.	`0.21ms` from Boardman, US
54.68.138.88	AS16509 Amazon.com, Inc.	`0.16ms` from Boardman, US
66.136.204.152	AS7018 AT&T Enterprises, LLC	`6.49ms` from Dallas, US
52.208.175.8	AS16509 Amazon.com, Inc.	`0.09ms` from Dublin, IE
66.160.193.104	AS6939 Hurricane Electric LLC	`0.25ms` from Fremont, US
117.5.37.104	AS7552 Viettel Group	`1.79ms` from Hanoi, VN
197.210.68.8	AS29465 MTN NIGERIA Communication limited	`0.35ms` from Lagos, NG
162.198.64.24	AS7018 AT&T Enterprises, LLC	`5.64ms` from Los Angeles, US
110.174.212.232	AS7545 TPG Telecom Limited	`1.12ms` from Perth, AU
13.236.200.24	AS16509 Amazon.com, Inc.	`0.77ms` from Sydney, AU
35.73.136.24	AS16509 Amazon.com, Inc.	`0.31ms` from Tokyo, JP
54.185.108.56	AS16509 Amazon.com, Inc.	`0.36ms` from Boardman, US
201.177.200.40	AS22927 Telefonica de Argentina	`1.86ms` from Buenos Aires, AR
69.72.136.216	AS36454 WHG Hosting Services Ltd	`0.20ms` from Dallas, US
163.123.17.40	AS11232 Midcontinent Communications	`18.95ms` from Denver, US

Traceroute

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

traceroute -a -n -q1 -f4 -m8 166.197.51.38

traceroute to 166.197.51.38 (166.197.51.38): 8 hops max, 52 byte packets

4 [AS174] 154.54.82.201 163.863 ms

5 [AS174] 154.54.46.178 1.984 ms

6 *

7 *

8 *

Measurement taken from

IPinfo ProbeNet in Chicago, US

On April 13th 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.

An API built with users in mind: reliable, accurate, and easy-to-use

Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.

Get Started for Free Contact Sales