166.193.48.0/21

AS20057 · AT&T Enterprises, LLC

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Summary

Country	United States
Domain	att.com
ASN	AS20057
Parent Range	166.193.0.0/17
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 166.193.48.0/21

Range	ASN	Company	Num of IPs
166.193.0.0/17	AS20057	AT&T Enterprises, LLC	32,768
166.192.0.0/13	AS7018	AT&T Enterprises, LLC	524,288

Nearby Ranges

BGP prefixes that overlap with 166.193.0.0/16

Range	ASN	Company	Num of IPs
166.192.0.0/13	AS7018	AT&T Enterprises, LLC	524,288
166.193.0.0/17	AS20057	AT&T Enterprises, LLC	32,768
166.193.128.0/17	AS46164	AT&T Enterprises, LLC	32,768
166.193.64.0/19	AS20057	AT&T Enterprises, LLC	8,192
166.193.122.0/23	AS20057	AT&T Enterprises, LLC	512
166.193.127.0/24	AS20057	AT&T Enterprises, LLC	256
166.193.120.0/24	AS20057	AT&T Enterprises, LLC	256

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

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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.

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113.242.91.197	AS4134 CHINANET-BACKBONE	2.93ms from Changsha, CN
192.24.235.117	AS6181 Cincinnati Bell Telephone Company LLC	2.54ms from Cincinnati, US
62.96.233.117	AS8220 COLT Technology Services Group Limited	10.52ms from Copenhagen, DK
3.73.50.37	AS16509 Amazon.com, Inc.	0.33ms from Frankfurt am Main, DE
185.56.131.101	AS25291 INTERDOTLINK SYSELEVEN	8.29ms from Frankfurt am Main, DE
130.61.50.37	AS31898 Oracle Corporation	0.43ms from Frankfurt am Main, DE
217.227.62.197	AS3320 Deutsche Telekom AG	3.48ms from Hamburg, DE
187.95.12.229	AS53080 VERO S.A	10.31ms from Osasco, BR
87.16.165.5	AS3269 Telecom Italia S.p.A.	17.65ms from Palermo, IT
96.208.17.37	AS7922 Comcast Cable Communications, LLC	14.34ms from Reston, US
1.171.57.149	AS3462 Data Communication Business Group	2.49ms from Taipei, TW
17.0.101.85	AS714 Apple Inc.	10.86ms from Ashburn, US
181.63.14.165	AS10620 Telmex Colombia S.A.	7.45ms from Bogota, CO
14.198.201.5	AS9269 Hong Kong Broadband Network Ltd.	0.81ms from Hong Kong, HK
142.250.156.5	AS15169 Google LLC	0.26ms from Los Angeles, US
104.60.23.101	AS7018 AT&T Enterprises, LLC	2.46ms from Los Angeles, US
128.179.171.245	AS559 SWITCH	6.07ms from Kloten, CH
45.182.220.21	AS269768 GUAZU GROUP S.R.L.	10.83ms from Buenos Aires, AR
97.223.94.69	AS6167 Verizon Business	7.85ms from Chicago, US
84.234.27.133	AS29222 Infomaniak Network SA	0.47ms from Geneve, CH
155.146.241.181	AS6167 Verizon Business	2.34ms from Houston, US
223.27.156.37	AS38496 PT Cyber Network Indonesia	0.56ms from Jakarta, ID
154.54.32.213	AS174 Cogent Communications	0.79ms from Madrid, ES

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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