1. All IP Ranges
  2. 107.0.0.0/8
  3. 107.121.0.0/16
  4. AS7287  | 107.121.210.0/24

107.121.210.0/24

AS7287  ·  AT&T Enterprises, LLC

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Summary

Country United States
Domain att.com
ASN AS7287
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:      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


POCHandle:      ZS44-ARIN
IsRole:         Y
LastName:       IPAdmin-ATT Internet Services
FirstName:      
Street:         208 S. Akard St.
City:           Dallas
State/Prov:     TX
Country:        US
PostalCode:     75202
RegDate:        2000-05-17
Updated:        2026-02-04
OfficePhone:    +1-888-510-5545
Mailbox:        ipadmin@att.com
Mailbox:        ipadmin@semail.att.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 107.121.210.0/24

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 107.121.0.0/16

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
Read more

Pingable IPs

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

IP Address ASN Details
107.121.210.95 AS7287 AT&T Enterprises, LLC 1.97ms from Seattle, 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
173.31.139.184 AS30036 Mediacom Communications Corp 13.81ms from Atlanta, US
98.63.38.88 AS7922 Comcast Cable Communications, LLC 5.39ms from Chicago, US
99.39.60.104 AS7018 AT&T Enterprises, LLC 19.68ms from Dallas, US
173.212.249.8 AS51167 Contabo GmbH 0.20ms from Lauterbourg, FR
141.23.160.8 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 1.05ms from Berlin, DE
35.85.10.72 AS16509 Amazon.com, Inc. 0.21ms from Boardman, US
18.238.32.104 AS16509 Amazon.com, Inc. 1.03ms from Columbus, US
5.186.78.8 AS44869 FIBIA P/S 3.19ms from Copenhagen, DK
210.102.139.136 AS4766 Korea Telecom 3.16ms from Incheon, KR
223.32.36.216 AS9644 SK Telecom 10.49ms from Incheon, KR
74.40.157.136 AS5650 Frontier Communications of America, Inc. 12.02ms from Los Angeles, US
83.38.220.136 AS3352 TELEFONICA DE ESPANA S.A.U. 2.68ms from Madrid, ES
118.110.20.184 AS2518 BIGLOBE Inc. 2.31ms from Osaka, JP
209.96.102.40 AS400869 Bethlehem Area School District 4.41ms from Philadelphia, US
1.241.173.72 AS9318 SK Broadband Co Ltd 1.47ms from Seoul, KR
18.136.167.216 AS16509 Amazon.com, Inc. 0.09ms from Singapore, SG
78.83.52.104 AS29580 A1 Bulgaria EAD 1.11ms from Sofia, BG
134.103.150.200 AS553 BelWue-Koordination 14.99ms from Strasbourg, FR
86.93.118.120 AS1136 KPN B.V. 1.80ms from Amsterdam, NL
209.23.40.40 AS136787 PacketHub S.A. 0.25ms from Ashburn, US
35.82.192.88 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
73.57.52.120 AS7922 Comcast Cable Communications, LLC 7.34ms from Boca Raton, US
24.28.107.168 AS11427 Charter Communications Inc 9.38ms from Dallas, US
14.216.152.40 AS4134 CHINANET-BACKBONE 3.92ms from Guangzhou, CN
108.226.176.232 AS7018 AT&T Enterprises, LLC 3.02ms from Houston, US

Traceroute

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

$
traceroute -a -n -q1 -m4 107.121.210.139
traceroute to 107.121.210.139 (107.121.210.139): 4 hops max, 52 byte packets
1 [AS138915] 38.54.124.1 508.134 ms
2 *
3 *
4 *
Measurement taken from IPinfo ProbeNet in Kuwait City, KW
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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