166.187.0.0/18

AS20057 · AT&T Enterprises, LLC

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Summary

Country	United States
Domain	att.com
ASN	AS20057
Parent Range	166.187.0.0/16
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:        2025-07-21
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:         7277 164th Ave NE
Street:         Attn: IP Management
City:           Redmond
State/Prov:     WA
Country:        US
PostalCode:     98052
RegDate:        2000-05-17
Updated:        2025-07-03
OfficePhone:    +1-888-510-5545
Mailbox:        ipadmin@att.com
Mailbox:        ipadmin@semail.att.com
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:        2025-07-03
OfficePhone:    +1-888-876-2382
Mailbox:        rm-ipspecialist@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:        2025-07-03
OfficePhone:    +1-919-319-8167
Mailbox:        abuse@att.net
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 166.187.0.0/18

Range	ASN	Company	Num of IPs
166.187.0.0/16	AS20057	AT&T Enterprises, LLC	65,536

Nearby Ranges

BGP prefixes that overlap with 166.187.0.0/16

Range	ASN	Company	Num of IPs
166.187.0.0/16	AS20057	AT&T Enterprises, LLC	65,536
166.187.192.0/18	AS20057	AT&T Enterprises, LLC	16,384
166.187.64.0/18	AS20057	AT&T Enterprises, LLC	16,384
166.187.128.0/18	AS20057	AT&T Enterprises, LLC	16,384

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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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
169.51.44.2	AS36351 IBM Cloud	1.16ms from Amsterdam, NL
38.135.84.34	AS174 Cogent Communications	0.35ms from Ashburn, US
47.93.191.210	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	2.11ms from Beijing, CN
212.200.102.2	AS8400 TELEKOM SRBIJA a.d.	0.70ms from Belgrade, RS
201.90.134.146	AS4230 CLARO S.A.	3.46ms from Brasilia, BR
147.229.57.18	AS197451 Brno University of Technology	0.61ms from Brno, CZ
172.245.22.2	AS36352 HostPapa	0.34ms from Los Angeles, US
202.59.190.210	AS9351 ZTV CO.,LTD	3.40ms from Osaka, JP
80.73.241.2	AS197883 Serinya Telecom SAS	3.02ms from Paris, FR
187.76.206.242	AS7738 V tal	8.88ms from Rio de Janeiro, BR
50.47.242.162	AS20055 Wholesail networks LLC	1.26ms from Seattle, US
13.125.67.146	AS16509 Amazon.com, Inc.	0.22ms from Seoul, KR
211.214.179.2	AS9318 SK Broadband Co Ltd	1.46ms from Seoul, KR
212.90.215.34	AS3303 Swisscom (Switzerland) Ltd	1.03ms from Zuerich, CH
108.31.164.178	AS701 Verizon Business	2.09ms from Ashburn, US
119.4.47.226	AS4837 CHINA UNICOM China169 Backbone	3.31ms from Chengdu, CN
122.174.115.50	AS24560 Bharti Airtel Ltd., Telemedia Services	10.00ms from Chennai, IN
40.127.239.210	AS8075 Microsoft Corporation	0.23ms from Dublin, IE
12.138.49.2	AS7018 AT&T Enterprises, LLC	7.23ms from Kansas City, US
119.156.159.82	AS17557 Pakistan Telecommunication Company Limited	4.46ms from Karachi, PK
185.219.217.210	AS3262 SAREnet, S.A.	7.45ms from Madrid, ES
115.137.97.2	AS17858 LG POWERCOMM	1.49ms from Seoul, KR
1.179.136.130	AS131293 TOT Public Company Limited	2.28ms from Bangkok, TH
184.94.175.178	AS36305 The Albany Mutual Telephone Association	3.61ms from Minneapolis, US
124.57.10.210	AS17858 LG POWERCOMM	3.22ms from Seoul, KR

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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