107.91.72.0/21

AS20057  ·  AT&T Enterprises, LLC

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Summary

Country United States
Domain att.com
ASN AS20057
Parent Range 107.64.0.0/10
Registry ARIN
ID ATT-MOBILITY-LLC

WHOIS Details

NetHandle:      NET-107-64-0-0-1
OrgID:          AEL-360
Parent:         NET-107-0-0-0-0
NetName:        ATT-MOBILITY-LLC
NetRange:       107.64.0.0 - 107.127.255.255
NetType:        allocation
RegDate:        2011-02-04
Updated:        2025-03-18
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:      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


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

Overlapping Ranges

BGP prefixes that contain 107.91.72.0/21

Range ASN Company Num of IPs
107.64.0.0/10 AS13965 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS20057 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS25993 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS64011 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS7018 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS7287 AT&T Enterprises, LLC 4,194,304

Nearby Ranges

BGP prefixes that overlap with 107.91.0.0/16

Range ASN Company Num of IPs
107.64.0.0/10 AS13965 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS20057 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS25993 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS64011 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS7018 AT&T Enterprises, LLC 4,194,304
107.64.0.0/10 AS7287 AT&T Enterprises, LLC 4,194,304

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

Pingable IPs

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

IP Address ASN Details
107.91.76.23 AS20057 AT&T Enterprises, LLC 14.24ms from Ashburn, US
107.91.79.20 AS20057 AT&T Enterprises, LLC 13.81ms from Ashburn, US
107.91.77.129 AS20057 AT&T Enterprises, LLC 14.02ms from Ashburn, US
107.91.74.252 AS20057 AT&T Enterprises, LLC 14.38ms from Manassas, US
107.91.72.73 AS20057 AT&T Enterprises, LLC 14.03ms from Ashburn, US
107.91.75.77 AS20057 AT&T Enterprises, LLC 14.07ms from Ashburn, US
107.91.73.249 AS20057 AT&T Enterprises, LLC 14.31ms from Ashburn, US
107.91.78.68 AS20057 AT&T Enterprises, LLC 14.02ms from Ashburn, 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
81.70.48.37 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.95ms from Beijing, CN
5.56.149.101 AS31027 GlobalConnect A/S 0.61ms from Copenhagen, DK
72.240.24.5 AS13490 Buckeye Cablevision, Inc. 3.67ms from Detroit, US
195.166.149.101 AS6871 Plusnet 5.01ms from Erith, GB
190.89.197.165 AS270409 MARCIO ISAIAS DA SILVA EIRELI 13.46ms from Fortaleza, BR
217.232.55.37 AS3320 Deutsche Telekom AG 4.88ms from Hamburg, DE
3.162.22.229 AS16509 Amazon.com, Inc. 5.79ms from London, GB
77.154.180.85 AS15557 Societe Francaise Du Radiotelephone - SFR SA 3.20ms from Paris, FR
52.21.206.117 AS14618 Amazon.com, Inc. 0.14ms from Reston, US
44.203.207.37 AS14618 Amazon.com, Inc. 0.17ms from Reston, US
13.91.104.133 AS8075 Microsoft Corporation 0.55ms from San Jose, US
84.213.230.149 AS25400 Telia Norge AS 7.74ms from Sandefjord, NO
24.228.191.53 AS6128 Cablevision Systems Corp. 2.82ms from Secaucus, US
82.29.47.53 AS12741 Netia SA 0.57ms from Warsaw, PL
212.51.203.245 AS16283 Lodz University of Technology 7.95ms from Warsaw, PL
96.7.245.133 AS20940 Akamai International B.V. 0.31ms from Atlanta, US
13.245.94.149 AS16509 Amazon.com, Inc. 0.44ms from Cape Town, ZA
39.136.195.101 AS56047 China Mobile communications corporation 7.83ms from Changsha, CN
184.30.41.21 AS20940 Akamai International B.V. 0.93ms from Chicago, US
18.252.192.229 AS8987 Amazon Data Services Ireland Ltd 0.77ms from Columbus, US
212.226.130.133 AS719 Elisa Oyj 0.70ms from Helsinki, FI
154.88.101.53 AS9294 GNET INC. 0.81ms from Hong Kong, HK
168.4.38.181 AS8 Rice University 4.94ms from Houston, US
182.18.161.165 AS18229 CtrlS 0.47ms from Hyderabad, IN
94.13.15.229 AS5607 Sky UK Limited 3.74ms from London, GB

Traceroute

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

$
traceroute -a -n -q1 107.91.73.139
traceroute to 107.91.73.139 (107.91.73.139): 64 hops max, 52 byte packets
1 [AS50613] 37.235.49.2 2.334 ms
2 [AS20057] 107.91.73.139 220.541 ms
Measurement taken from IPinfo ProbeNet in Hafnarfjoerdur, IS
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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