1. All IP Ranges
  2. 166.0.0.0/8
  3. 166.219.0.0/16
  4. AS20057  | 166.219.0.0/16

166.219.0.0/16

AS20057  ·  AT&T Enterprises, LLC

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Summary

Country United States
Domain att.com
ASN AS20057
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:        2025-10-29
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:        2025-08-18
OfficePhone:    +1-888-510-5545
Mailbox:        ipadmin@att.com
Mailbox:        ipadmin@semail.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:        2025-08-18
OfficePhone:    +1-919-319-8167
Mailbox:        abuse@att.net
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:        2025-08-18
OfficePhone:    +1-888-876-2382
Mailbox:        rm-ipspecialist@att.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 166.0.0.0/8

Range ASN Company Num of IPs
166.69.0.0/16 AS19773 Motorola MNIC 65,536
166.87.0.0/16 AS5080 Saudi Arabian Oil Company 65,536
166.74.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.100.0.0/16 AS2687 AT&T Japan K.K. 65,536
166.117.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.211.0.0/16 AS22394 Verizon Business 65,536
166.93.0.0/16 AS26914 Synoptek, LLC 65,536
166.20.0.0/16 AS243 L3Harris Technologies, Inc. 65,536
166.90.0.0/16 AS3356 Level 3 Parent, LLC 65,536
166.56.0.0/16 AS3372 Verizon Business 65,536
166.84.0.0/16 AS2033 Panix 65,536
166.80.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.99.0.0/16 AS11719 Eaton Corporation 65,536
166.123.0.0/16 AS13506 United States Department of the Treasury 65,536
166.91.0.0/16 AS33084 District of Columbia Public Schools 65,536
166.92.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.89.0.0/16 AS13918 City of Tucson 65,536
166.211.0.0/16 AS6167 Verizon Business 65,536
166.58.0.0/16 AS3372 Verizon Business 65,536
166.90.0.0/16 AS3257 Level 3 Parent, LLC 65,536
166.19.0.0/16 AS33425 CoreWeave, Inc 65,536
166.58.0.0/16 AS3371 Verizon Business 65,536
166.238.0.0/16 AS26611 COMUNICACIÓN CELULAR S.A. COMCEL S.A. 65,536
166.58.0.0/16 AS3377 Verizon Business 65,536
166.91.0.0/16 AS14072 District of Columbia Public Schools 65,536
166.56.0.0/16 AS3371 Verizon Business 65,536
166.94.0.0/16 AS3926 Fairfax County Government 65,536
166.72.0.0/16 AS7018 AT&T Enterprises, LLC 65,536
166.111.0.0/16 AS4538 Tsinghua University 65,536
166.82.0.0/16 AS7029 Windstream Communications LLC 65,536
166.102.0.0/16 AS7029 Windstream Communications LLC 65,536
166.104.0.0/16 AS9321 Hanyang University 65,536
166.70.0.0/16 AS6315 XMission, L.C. 65,536
166.122.0.0/16 AS6360 University of Hawaii 65,536
166.49.128.0/17 AS5400 communications networking services Private Unlimited Company 32,768
166.62.128.0/17 AS5769 Videotron Ltee 32,768
166.48.0.0/17 AS396338 Altima Telecom 32,768
166.114.128.0/17 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 32,768
166.49.0.0/17 AS3561 CenturyLink Communications, LLC 32,768
166.113.64.0/18 AS53449 OEC Fiber 16,384
166.108.128.0/18 AS35077 Netwo SAS 16,384
166.114.64.0/18 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 16,384
166.113.32.0/19 AS13370 Ziply Fiber 8,192
166.114.32.0/19 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 8,192
166.63.128.0/19 AS3561 CenturyLink Communications, LLC 8,192
166.63.192.0/19 AS1273 Vodafone Americas 8,192
166.113.0.0/19 AS19870 Cherry Creek School District #5 8,192
166.108.0.0/19 AS16509 Amazon.com, Inc. 8,192
166.63.160.0/19 AS1273 Vodafone Americas 8,192
166.93.0.0/20 AS26914 Synoptek Pittsford DC 4,096

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Read more

Pingable IPs

1,258 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
166.219.19.216 AS20057 AT&T Enterprises, LLC 48.47ms from Ashburn, US
166.219.129.186 AS20057 AT&T Enterprises, LLC 22.07ms from Atlanta, US
166.219.234.206 AS20057 AT&T Enterprises, LLC 64.11ms from Dallas, US
166.219.171.124 AS20057 AT&T Enterprises, LLC 37.44ms from Morris Plains, US
166.219.142.65 AS20057 AT&T Enterprises, LLC 19.06ms from Atlanta, US
166.219.48.90 AS20057 AT&T Enterprises, LLC 37.54ms from Piscataway, US
166.219.175.245 AS20057 AT&T Enterprises, LLC 40.62ms from Reston, US
166.219.168.243 AS20057 AT&T Enterprises, LLC 34.98ms from Ashburn, US
166.219.143.34 AS20057 AT&T Enterprises, LLC 17.20ms from Atlanta, US
166.219.250.179 AS20057 AT&T Enterprises, LLC 9.25ms from Chicago, US
166.219.187.179 AS20057 AT&T Enterprises, LLC 42.89ms from Ashburn, US
166.219.252.229 AS20057 AT&T Enterprises, LLC 46.22ms from Dallas, US
166.219.20.138 AS20057 AT&T Enterprises, LLC 1.43ms from Dallas, US
166.219.130.45 AS20057 AT&T Enterprises, LLC 23.60ms from Atlanta, US
166.219.135.230 AS20057 AT&T Enterprises, LLC 19.18ms from Atlanta, US
166.219.185.98 AS20057 AT&T Enterprises, LLC 34.73ms from Ashburn, US
166.219.136.143 AS20057 AT&T Enterprises, LLC 28.49ms from Atlanta, US
166.219.248.233 AS20057 AT&T Enterprises, LLC 6.18ms from Dallas, US
166.219.18.176 AS20057 AT&T Enterprises, LLC 35.85ms from New York City, US
166.219.51.6 AS20057 AT&T Enterprises, LLC 42.35ms from Boston, US
166.219.139.9 AS20057 AT&T Enterprises, LLC 17.68ms from Atlanta, US
166.219.133.55 AS20057 AT&T Enterprises, LLC 33.05ms from Atlanta, US
166.219.131.28 AS20057 AT&T Enterprises, LLC 20.12ms from Atlanta, US
166.219.138.89 AS20057 AT&T Enterprises, LLC 21.67ms from Atlanta, US
166.219.170.174 AS20057 AT&T Enterprises, LLC 39.07ms from Philadelphia, 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
20.55.240.16 AS8075 Microsoft Corporation 0.36ms from Boydton, US
3.21.204.128 AS16509 Amazon.com, Inc. 0.70ms from Columbus, US
79.168.195.224 AS2860 NOS COMUNICACOES, S.A. 7.16ms from Lisbon, PT
72.146.243.240 AS8075 Microsoft Corporation 0.18ms from Milan, IT
66.66.150.224 AS11351 Charter Communications Inc 18.61ms from New York City, US
142.58.212.224 AS11105 Simon Fraser University 4.11ms from Seattle, US
14.37.173.112 AS4766 Korea Telecom 1.38ms from Seoul, KR
123.112.127.144 AS4808 China Unicom Beijing Province Network 4.72ms from Beijing, CN
196.70.150.0 AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM 5.41ms from Casablanca, MA
110.189.78.224 AS4134 CHINANET-BACKBONE 7.64ms from Chengdu, CN
75.187.93.16 AS10796 Charter Communications Inc 17.58ms from Chicago, US
75.242.153.176 AS6167 Verizon Business 17.99ms from Chicago, US
20.165.166.0 AS8075 Microsoft Corporation 3.46ms from Denver, US
84.154.123.80 AS3320 Deutsche Telekom AG 3.03ms from Duesseldorf, DE
4.182.93.32 AS8075 Microsoft Corporation 0.25ms from Frankfurt am Main, DE
223.93.180.160 AS56041 China Mobile communications corporation 5.38ms from Hangzhou, CN
223.66.61.96 AS56046 China Mobile communications corporation 4.58ms from Nanjing, CN
124.18.218.16 AS18126 Chubu Telecommunications Company, Inc. 4.62ms from Osaka, JP
176.159.156.80 AS5410 Bouygues Telecom SA 5.78ms from Paris, FR
189.129.126.32 AS8151 UNINET 16.06ms from Santiago de Queretaro, MX
87.249.171.224 AS25417 Ljusdals Elnat AB 5.92ms from Stockholm, SE
95.194.120.32 AS3301 Telia Company AB 15.09ms from Stockholm, SE
99.123.253.176 AS7018 AT&T Enterprises, LLC 6.66ms from Atlanta, US
86.34.201.0 AS9050 Orange Romania S.A. 0.29ms from Bucharest, RO
51.6.191.128 AS6871 Plusnet 2.35ms from Erith, GB

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -m5 166.219.208.11
traceroute to 166.219.208.11 (166.219.208.11): 5 hops max, 52 byte packets
1 [AS140627] 103.112.0.1 0.234 ms
2 [AS140627] 103.151.64.29 109.001 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Agana Heights Village, GU
On

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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