1. All IP Ranges
  2. 166.0.0.0/8
  3. AS20057  | 166.128.0.0/14

166.128.0.0/14

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-166-128-0-0-1
OrgID:          AEL-360
Parent:         NET-166-0-0-0-0
NetName:        AEL-360
NetRange:       166.128.0.0 - 166.138.255.255
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:        [email protected]
Mailbox:        [email protected]
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:        [email protected]
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:        [email protected]
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 166.0.0.0/8

Range ASN Company Num of IPs
166.122.0.0/16 AS6360 University of Hawaii 65,536
166.84.0.0/16 AS2033 Panix 65,536
166.117.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.238.0.0/16 AS26611 COMUNICACIÓN CELULAR S.A. COMCEL S.A. 65,536
166.80.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.69.0.0/16 AS19773 Motorola MNIC 65,536
166.89.0.0/16 AS13918 City of Tucson 65,536
166.211.0.0/16 AS22394 Verizon Business 65,536
166.91.0.0/16 AS33084 District of Columbia Public Schools 65,536
166.56.0.0/16 AS3372 Verizon Business 65,536
166.58.0.0/16 AS3377 Verizon Business 65,536
166.123.0.0/16 AS13506 United States Department of the Treasury 65,536
166.90.0.0/16 AS3356 Level 3 Parent, LLC 65,536
166.74.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.99.0.0/16 AS11719 Eaton Corporation 65,536
166.92.0.0/16 AS16509 Amazon.com, Inc. 65,536
166.100.0.0/16 AS2687 AT&T Japan K.K. 65,536
166.20.0.0/16 AS243 L3Harris Technologies, Inc. 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
166.93.0.0/16 AS26914 Synoptek, LLC 65,536
166.56.0.0/16 AS3371 Verizon Business 65,536
166.91.0.0/16 AS14072 District of Columbia Public Schools 65,536
166.87.0.0/16 AS5080 Saudi Arabian Oil Company 65,536
166.72.0.0/16 AS7018 AT&T Enterprises, LLC 65,536
166.70.0.0/16 AS6315 XMission, L.C. 65,536
166.104.0.0/16 AS9321 Hanyang University 65,536
166.111.0.0/16 AS4538 Tsinghua University 65,536
166.211.0.0/16 AS6167 Verizon Business 65,536
166.82.0.0/16 AS7029 Windstream Communications LLC 65,536
166.94.0.0/16 AS3926 Fairfax County Government 65,536
166.102.0.0/16 AS7029 Windstream Communications LLC 65,536
166.48.0.0/17 AS396338 Altima Telecom 32,768
166.62.128.0/17 AS5769 Videotron Ltee 32,768
166.114.128.0/17 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 32,768
166.49.128.0/17 AS5400 communications networking services Private Unlimited Company 32,768
166.49.0.0/17 AS3561 CenturyLink Communications, LLC 32,768
166.114.64.0/18 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 16,384
166.113.64.0/18 AS53449 OEC Fiber 16,384
166.108.128.0/18 AS35077 Netwo SAS 16,384
166.113.32.0/19 AS13370 Ziply Fiber 8,192
166.63.128.0/19 AS3561 CenturyLink Communications, LLC 8,192
166.114.32.0/19 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 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
166.114.16.0/20 AS6568 EMPRESA NACIONAL DE TELECOMUNICACIONES SOCIEDAD ANONIMA 4,096

Hosted domains

There are 12 domain names hosted across 12 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address Domain Domains on this IP
166.131.56.8 harbormedical.org 2
166.130.186.140 jenoptik.io 1
166.130.74.127 pipedreamii.com 1
166.131.133.253 metaverifiedsupport.net 1
166.128.53.3 cepmsd.edu.do 1
166.130.125.160 bpscada.com 1
166.130.182.34 toastthetuckers.com 1

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
Read more

Pingable IPs

6,165 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
166.130.4.100 AS20057 AT&T Enterprises, LLC 35.10ms from Atlanta, US
166.130.6.140 AS20057 AT&T Enterprises, LLC 24.86ms from Atlanta, US
166.130.76.150 AS20057 AT&T Enterprises, LLC 17.27ms from Atlanta, US
166.130.16.80 AS20057 AT&T Enterprises, LLC 38.49ms from Atlanta, US
166.130.7.251 AS20057 AT&T Enterprises, LLC 20.12ms from Atlanta, US
166.130.43.62 AS20057 AT&T Enterprises, LLC 20.13ms from Atlanta, US
166.130.70.229 AS20057 AT&T Enterprises, LLC 32.99ms from Charlotte, US
166.130.54.130 AS20057 AT&T Enterprises, LLC 27.27ms from Atlanta, US
166.130.8.181 AS20057 AT&T Enterprises, LLC 25.30ms from Atlanta, US
166.130.11.69 AS20057 AT&T Enterprises, LLC 39.37ms from Atlanta, US
166.130.19.7 AS20057 AT&T Enterprises, LLC 41.33ms from Atlanta, US
166.130.38.186 AS20057 AT&T Enterprises, LLC 34.35ms from Atlanta, US
166.130.75.78 AS20057 AT&T Enterprises, LLC 33.59ms from Atlanta, US
166.130.45.11 AS20057 AT&T Enterprises, LLC 29.91ms from Atlanta, US
166.130.63.251 AS20057 AT&T Enterprises, LLC 32.63ms from Atlanta, US
166.130.65.186 AS20057 AT&T Enterprises, LLC 28.80ms from Charlotte, US
166.130.50.243 AS20057 AT&T Enterprises, LLC 29.36ms from Atlanta, US
166.130.53.181 AS20057 AT&T Enterprises, LLC 24.92ms from Atlanta, US
166.130.18.39 AS20057 AT&T Enterprises, LLC 33.62ms from Atlanta, US
166.130.25.150 AS20057 AT&T Enterprises, LLC 36.74ms from Atlanta, US
166.130.22.216 AS20057 AT&T Enterprises, LLC 32.88ms from Atlanta, US
166.130.12.248 AS20057 AT&T Enterprises, LLC 23.18ms from Atlanta, US
166.130.79.31 AS20057 AT&T Enterprises, LLC 32.74ms from Atlanta, US
166.130.17.209 AS20057 AT&T Enterprises, LLC 34.61ms from Atlanta, US
166.130.0.231 AS20057 AT&T Enterprises, LLC 29.45ms 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
98.218.204.238 AS7922 Comcast Cable Communications, LLC 6.92ms from Ashburn, US
50.193.145.110 AS7922 Comcast Cable Communications, LLC 5.97ms from Ashburn, US
49.232.72.110 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.96ms from Beijing, CN
178.24.152.254 AS3209 Vodafone GmbH 2.41ms from Berlin, DE
174.62.225.62 AS7922 Comcast Cable Communications, LLC 6.04ms from Chicago, US
91.128.160.254 AS1257 Tele2 Sverige AB 3.89ms from Goeteborg, SE
124.244.42.158 AS9269 Hong Kong Broadband Network Ltd. 0.74ms from Hong Kong, HK
88.207.177.206 AS6661 POST Luxembourg 1.19ms from Luxembourg, LU
57.135.225.206 AS30404 Blue Stream 3.81ms from Miami, US
38.254.180.46 AS133982 Excitel Broadband Private Limited 0.16ms from Mumbai, IN
114.226.10.158 AS4134 CHINANET-BACKBONE 4.57ms from Nanjing, CN
61.89.53.30 AS18081 Kintetsu Cable Network Co., Ltd. 2.09ms from Osaka, JP
101.128.230.174 AS2497 Internet Initiative Japan Inc. 6.06ms from Osaka, JP
153.231.14.30 AS4713 NTT DOCOMO BUSINESS,Inc. 4.49ms from Osaka, JP
88.121.162.142 AS12322 Free SAS 3.73ms from Paris, FR
79.35.10.94 AS3269 Telecom Italia S.p.A. 9.79ms from Rende, IT
77.38.236.62 AS20910 SIA "BITE Latvija" 0.53ms from Riga, LV
189.101.13.190 AS28573 Claro NXT Telecomunicacoes Ltda 16.26ms from Rio de Janeiro, BR
81.73.225.254 AS3269 Telecom Italia S.p.A. 4.22ms from Rome, IT
93.100.6.254 AS35807 SkyNet Ltd. 1.00ms from Saint Petersburg, RU
107.138.1.142 AS7018 AT&T Enterprises, LLC 4.86ms from San Jose, US
65.131.203.254 AS209 CenturyLink Communications, LLC 14.04ms from Seattle, US
216.120.248.14 AS23535 HostRocket.com, Inc. 4.98ms from Secaucus, US
175.246.85.62 AS4766 Korea Telecom 6.31ms from Seoul, KR
119.240.152.222 AS2518 BIGLOBE Inc. 5.63ms from Tokyo, JP

Traceroute

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

$
traceroute -a -n -q1 -f5 -m16 166.131.119.130
traceroute to 166.131.119.130 (166.131.119.130): 16 hops max, 52 byte packets
5 [AS3356] 4.69.209.110 36.928 ms
6 *
7 [AS7018] 32.130.24.46 42.992 ms
8 *
9 *
10 *
11 *
12 [AS20057] 107.77.78.53 41.929 ms
13 [AS20057] 166.185.104.12 42.388 ms
14 *
15 *
16 *
Measurement taken from IPinfo ProbeNet in Fayetteville, US
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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