166.215.200.0/21

AS20057 · AT&T Enterprises, LLC

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Summary

Country	United States
Domain	att.com
ASN	AS20057
Parent Range	166.215.128.0/17
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 166.215.200.0/21

Range	ASN	Company	Num of IPs
166.215.128.0/17	AS20057	AT&T Enterprises, LLC	32,768
166.215.0.0/16	AS20057	AT&T Enterprises, LLC	65,536

Nearby Ranges

BGP prefixes that overlap with 166.215.0.0/16

Range	ASN	Company	Num of IPs
166.215.0.0/16	AS20057	AT&T Enterprises, LLC	65,536
166.215.128.0/17	AS20057	AT&T Enterprises, LLC	32,768
166.215.0.0/17	AS20057	AT&T Enterprises, LLC	32,768
166.215.52.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.215.212.0/23	AS20057	AT&T Enterprises, LLC	512
166.215.172.0/23	AS20057	AT&T Enterprises, LLC	512
166.215.168.0/23	AS20057	AT&T Enterprises, LLC	512
166.215.152.0/24	AS20057	AT&T Enterprises, LLC	256
166.215.56.0/24	AS20057	AT&T Enterprises, LLC	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

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

IP Address	ASN	Details
166.215.207.168	AS20057 AT&T Enterprises, LLC	19.35ms from Atlanta, US
166.215.203.222	AS20057 AT&T Enterprises, LLC	18.86ms from Atlanta, US
166.215.204.123	AS20057 AT&T Enterprises, LLC	25.09ms from Charlotte, US
166.215.201.216	AS20057 AT&T Enterprises, LLC	28.04ms from Atlanta, US
166.215.206.82	AS20057 AT&T Enterprises, LLC	35.00ms from Atlanta, US
166.215.202.85	AS20057 AT&T Enterprises, LLC	26.09ms from Atlanta, US
166.215.205.211	AS20057 AT&T Enterprises, LLC	27.96ms from Atlanta, US
166.215.200.37	AS20057 AT&T Enterprises, LLC	32.35ms from Atlanta, 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
178.88.69.37	AS9198 JSC Kazakhtelecom	0.59ms from Almaty, KZ
121.84.82.165	AS17511 OPTAGE Inc.	2.79ms from Osaka, JP
93.92.112.245	AS44803 Webdock.io ApS	0.19ms from Copenhagen, DK
93.20.107.117	AS15557 Societe Francaise Du Radiotelephone - SFR SA	4.69ms from Paris, FR
34.176.76.181	AS396982 Google LLC	0.10ms from Santiago, CL
203.125.87.197	AS3758 SingNet	1.49ms from Singapore, SG
117.244.211.245	AS9829 National Internet Backbone	12.79ms from Bengaluru, IN
45.178.114.5	AS269037 SEEG SERVICOS E TECNOLOGIAS LTDA	16.37ms from Osasco, BR
183.213.37.149	AS56046 China Mobile communications corporation	2.57ms from Suzhou, CN
94.18.200.165	AS31027 GlobalConnect A/S	0.72ms from Copenhagen, DK
130.51.191.5	AS47054 JetWire, INC	6.41ms from Los Angeles, US
51.94.120.197	AS16509 Amazon.com, Inc.	6.20ms from Madrid, ES
82.210.58.197	AS34177 CELESTE SAS	0.69ms from Paris, FR
24.8.124.101	AS7922 Comcast Cable Communications, LLC	2.34ms from Denver, US
180.29.194.229	AS4713 NTT Communications Corporation	13.16ms from Osaka, JP
34.34.22.117	AS396982 Google LLC	0.13ms from Oudeschip, NL
4.1.175.117	AS3356 Level 3 Parent, LLC	4.70ms from Atlanta, US
116.168.86.197	AS4837 CHINA UNICOM China169 Backbone	6.92ms from Chongqing, CN
14.180.46.37	AS45899 VNPT Corp	4.61ms from Hanoi, VN
39.74.32.37	AS4837 CHINA UNICOM China169 Backbone	8.32ms from Qingdao, CN
83.111.62.21	AS5384 Emirates Internet	4.58ms from Al Fujairah City, AE
196.117.145.149	AS36925 MEDITELECOM	4.04ms from Casablanca, MA
171.61.186.69	AS24560 Bharti Airtel Ltd., Telemedia Services	13.92ms from Chennai, IN
98.183.113.133	AS22773 Cox Communications Inc.	5.88ms from Dallas, US
31.206.59.101	AS15924 Vodafone Net Iletisim Hizmetler AS	1.69ms from Istanbul, TR

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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