166.204.112.0/20

AS20057 · AT&T Enterprises, LLC

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Summary

Country	United States
Domain	att.com
ASN	AS20057
Parent Range	166.204.0.0/17
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 166.204.112.0/20

Range	ASN	Company	Num of IPs
166.204.0.0/17	AS20057	AT&T Enterprises, LLC	32,768

Nearby Ranges

BGP prefixes that overlap with 166.204.0.0/16

Range	ASN	Company	Num of IPs
166.204.0.0/17	AS20057	AT&T Enterprises, LLC	32,768
166.204.64.0/20	AS20057	AT&T Enterprises, LLC	4,096
166.204.16.0/20	AS20057	AT&T Enterprises, LLC	4,096
166.204.0.0/20	AS20057	AT&T Enterprises, LLC	4,096
166.204.32.0/21	AS20057	AT&T Enterprises, LLC	2,048
166.204.100.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.204.108.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.204.48.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.204.80.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.204.44.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.204.84.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.204.104.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.204.40.0/22	AS20057	AT&T Enterprises, LLC	1,024
166.204.56.0/23	AS20057	AT&T Enterprises, LLC	512
166.204.52.0/23	AS20057	AT&T Enterprises, LLC	512
166.204.94.0/24	AS20057	AT&T Enterprises, LLC	256
166.204.90.0/24	AS20057	AT&T Enterprises, LLC	256
166.204.55.0/24	AS20057	AT&T Enterprises, LLC	256
166.204.98.0/24	AS20057	AT&T Enterprises, LLC	256
166.204.61.0/24	AS20057	AT&T Enterprises, LLC	256
166.204.58.0/24	AS20057	AT&T Enterprises, LLC	256
166.204.54.0/24	AS20057	AT&T Enterprises, LLC	256
166.204.63.0/24	AS20057	AT&T Enterprises, LLC	256
166.204.60.0/24	AS20057	AT&T Enterprises, LLC	256

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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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
176.232.45.4	AS34984 Superonline Iletisim Hizmetleri A.S.	8.34ms from Istanbul, TR
49.250.110.148	AS9617 JCOM Co., Ltd.	12.07ms from Osaka, JP
100.10.34.228	AS701 Verizon Business	2.84ms from Boston, US
84.238.86.164	AS33796 BOLIGNET-AARHUS F.M.B.A.	3.38ms from Copenhagen, DK
24.243.107.68	AS11427 Charter Communications Inc	13.65ms from Houston, US
187.212.11.52	AS8151 UNINET	6.55ms from Santiago de Queretaro, MX
54.188.21.84	AS16509 Amazon.com, Inc.	0.15ms from Boardman, US
100.42.124.36	AS46518 Cloud Provider USA, LLC.	0.34ms from Boston, US
187.204.67.4	AS8151 UNINET	7.97ms from Guadalajara, MX
108.146.71.132	AS20057 AT&T Enterprises, LLC	16.71ms from Houston, US
51.155.194.132	AS13037 Zen Internet Ltd	1.90ms from London, GB
206.221.218.132	AS7296 Dynascale Technologies, Inc.	0.29ms from Los Angeles, US
68.129.160.100	AS701 Verizon Business	2.53ms from New York City, US
121.212.113.196	AS1221 Telstra Limited	8.39ms from Sydney, AU
128.183.192.4	AS270 National Aeronautics and Space Administration	2.54ms from Ashburn, US
52.234.215.196	AS8075 Microsoft Corporation	0.44ms from Ashburn, US
91.172.183.196	AS12322 Free SAS	2.90ms from Paris, FR
188.66.93.100	AS31655 Gamma Telecom Holdings Ltd	2.59ms from Manchester, GB
20.189.176.212	AS8075 Microsoft Corporation	0.56ms from San Jose, US
125.12.185.100	AS9824 JCOM Co., Ltd.	11.61ms from Tokyo, JP
185.32.171.4	AS8368 BENESOL BACKBONE	0.41ms from Brussels, BE
219.153.33.132	AS134420 Chongqing Telecom	1.28ms from Chongqing, CN
80.170.29.68	AS1257 Tele2 Sverige AB	2.78ms from Copenhagen, DK
86.132.213.36	AS2856 British Telecommunications PLC	2.78ms from London, GB
98.3.86.100	AS11351 Charter Communications Inc	18.73ms from Morris Plains, US

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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