166.220.128.0/17

AS20057 · AT&T Enterprises, LLC

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Summary

Country	United States
Domain	att.com
ASN	AS20057
Parent Range	166.220.0.0/16
Registry	ARIN
ID	AEL-360

WHOIS Details

NetHandle:      NET-166-212-0-0-1
OrgID:          AEL-360
Parent:         NET-166-0-0-0-0
NetName:        AEL-360
NetRange:       166.212.0.0 - 166.220.255.255
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 166.220.128.0/17

Range	ASN	Company	Num of IPs
166.220.0.0/16	AS20057	AT&T Enterprises, LLC	65,536

Nearby Ranges

BGP prefixes that overlap with 166.220.0.0/16

Range	ASN	Company	Num of IPs
166.220.0.0/16	AS20057	AT&T Enterprises, LLC	65,536
166.220.96.0/19	AS64011	AT&T Enterprises, LLC	8,192
166.220.64.0/19	AS64011	AT&T Enterprises, LLC	8,192

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
94.56.0.241	AS5384 Emirates Internet	3.83ms from Al Fujairah City, AE
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83.84.18.1	AS33915 Vodafone Libertel B.V.	2.70ms from Amsterdam, NL
217.103.205.1	AS33915 Vodafone Libertel B.V.	4.64ms from Amsterdam, NL
108.51.66.1	AS701 Verizon Business	2.28ms from Ashburn, US
71.241.8.1	AS701 Verizon Business	11.03ms from Ashburn, US
24.241.200.1	AS20115 Charter Communications LLC	10.76ms from Atlanta, US
111.167.12.1	AS4837 CHINA UNICOM China169 Backbone	4.93ms from Beijing, CN
203.101.96.1	AS9498 BHARTI Airtel Ltd.	1.22ms from Bengaluru, IN
181.230.114.1	AS7303 Telecom Argentina S.A.	1.69ms from Buenos Aires, AR
181.171.218.1	AS7303 Telecom Argentina S.A.	1.25ms from Buenos Aires, AR
185.243.227.241	AS216230 INFOWISE SERVICES ApS	4.17ms from Copenhagen, DK
162.157.236.1	AS852 TELUS Communications Inc.	9.37ms from Edmonton, CA
201.139.190.1	AS61946 DB3 SERVICOS DE TELECOMUNICACOES S.A	1.16ms from Fortaleza, BR
202.61.247.1	AS197540 netcup GmbH	3.31ms from Frankfurt am Main, DE
134.175.50.17	AS45090 Shenzhen Tencent Computer Systems Company Limited	1.94ms from Guangzhou, CN
120.236.63.17	AS56040 China Mobile communications corporation	7.88ms from Guangzhou, CN
171.38.251.1	AS4837 CHINA UNICOM China169 Backbone	16.91ms from Guiyang, CN
115.237.104.65	AS4134 CHINANET-BACKBONE	4.72ms from Hangzhou, CN
180.249.161.1	AS7713 PT Telekomunikasi Indonesia	11.94ms from Jakarta, ID
66.183.36.1	AS852 TELUS Communications Inc.	2.85ms from Kelowna, CA
86.27.189.129	AS5089 Virgin Media Limited	11.19ms from London, GB
93.24.18.1	AS15557 Societe Francaise Du Radiotelephone - SFR SA	12.77ms from Marseille, FR
135.0.251.145	AS54614 CIK Telecom INC	1.78ms from Montreal, CA
192.226.242.1	AS5769 Videotron Ltee	1.75ms from Montreal, CA

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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