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  3. AS19957

AS19957

AT&T Corp.

TENNESSEE-NET
Organization
Title
AT&T Corp.
Details
Regional Internet registry
ARIN
IP Addresses count
462,592
Coordinates
Summary
The organization AT&T Corp. allocates 14 IP netblocks under the autonomous system number (ASN ) of 19957. The regional internet registry (RIR ) for this ASN is ARIN. The country in which these IPs are located is United States of America (US), which is on #1 out of 249 countries by the total amount of ASNs allocated - 27,927.

AS19957 has 2 peers, 2 upstreams and 0 downstreams with a total of 462,592 IP addresses.
IP Address ranges
Block Description IPs count
12.204.192.0/21 NET-TWELVE 2,048
12.204.206.0/24 NET-TWELVE 256
66.4.0.0/16 Proxy-registered route object 65,536
66.5.0.0/16 Proxy-registered route object 65,536
70.150.21.0/24 BLS-70-150-21-0-24-1007282204 256
72.158.184.0/24 Proxy-registered route object 256
128.169.0.0/16 University of Tennessee, Knoxville (UTK) 65,536
132.192.0.0/16 The University of Tennessee Health Science Center (UNIVER-5) 65,536
170.141.56.0/23 TNNET 512
170.141.58.0/24 add route 256
170.142.0.0/16 add route 65,536
170.143.0.0/16 add route 65,536
208.63.128.0/24 add route 256
208.182.0.0/16 Proxy-registered route object 65,536
Peers
ASN Name IPs Count
AS7018 AT&T Services, Inc. 83,746,304
AS16473 AT&T Corp. 0
Upstreams
ASN Name IPs Count
AS7018 AT&T Services, Inc. 83,746,304
AS16473 AT&T Corp. 0
Downstreams
There are no downstreams for this ASN.
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