AS Number
AS13979
AS Name
ATT-IPFR
Org Name
Registry

arin

RegDate

1999-09-28

Updated

2025-03-18

AS13979 Looking Glass
IPv4Prefixes

80

IPv6Prefixes

0

IPv4 NUMs

100,864

IPv6 NUMs(/64)

0

100,864 IPv4 Addresses
CIDR Description IP Num
15.0.64.0/18
HP Inc. 16384
15.4.64.0/18
HP Inc. 16384
15.8.64.0/18
HP Inc. 16384
15.12.64.0/18
HP Inc. 16384
15.98.64.0/18
HP Inc. 16384
55.22.50.0/24
Headquarters, USAISC 256
55.22.50.0/23
Headquarters, USAISC 512
55.22.51.0/24
Headquarters, USAISC 256
55.22.52.0/24
Headquarters, USAISC 256
55.22.52.0/22
Headquarters, USAISC 1024
55.22.53.0/24
Headquarters, USAISC 256
55.22.54.0/24
Headquarters, USAISC 256
55.22.55.0/24
Headquarters, USAISC 256
55.22.56.0/21
Headquarters, USAISC 2048
55.22.57.0/24
Headquarters, USAISC 256
55.22.58.0/24
Headquarters, USAISC 256
55.22.59.0/24
Headquarters, USAISC 256
55.22.60.0/24
Headquarters, USAISC 256
55.22.61.0/24
Headquarters, USAISC 256
55.22.62.0/24
Headquarters, USAISC 256
55.22.64.0/22
Headquarters, USAISC 1024
55.22.65.0/24
Headquarters, USAISC 256
55.22.66.0/24
Headquarters, USAISC 256
55.22.67.0/24
Headquarters, USAISC 256
55.22.70.0/24
Headquarters, USAISC 256
55.22.72.0/24
Headquarters, USAISC 256
55.22.74.0/24
Headquarters, USAISC 256
55.22.76.0/24
Headquarters, USAISC 256
55.22.78.0/24
Headquarters, USAISC 256
55.22.80.0/24
Headquarters, USAISC 256
55.22.82.0/24
Headquarters, USAISC 256
55.22.84.0/24
Headquarters, USAISC 256
55.22.86.0/24
Headquarters, USAISC 256
55.22.88.0/24
Headquarters, USAISC 256
55.22.90.0/24
Headquarters, USAISC 256
55.22.92.0/24
Headquarters, USAISC 256
55.22.94.0/24
Headquarters, USAISC 256
55.22.96.0/24
Headquarters, USAISC 256
55.22.98.0/24
Headquarters, USAISC 256
55.22.100.0/24
Headquarters, USAISC 256
55.22.112.0/24
Headquarters, USAISC 256
55.22.116.0/24
Headquarters, USAISC 256
55.22.118.0/24
Headquarters, USAISC 256
55.22.120.0/24
Headquarters, USAISC 256
55.22.122.0/24
Headquarters, USAISC 256
55.22.126.0/24
Headquarters, USAISC 256
55.22.130.0/24
Headquarters, USAISC 256
55.22.134.0/24
Headquarters, USAISC 256
55.22.136.0/24
Headquarters, USAISC 256
55.22.140.0/24
Headquarters, USAISC 256
55.22.142.0/24
Headquarters, USAISC 256
55.22.144.0/24
Headquarters, USAISC 256
55.22.146.0/24
Headquarters, USAISC 256
55.22.148.0/24
Headquarters, USAISC 256
55.22.150.0/24
Headquarters, USAISC 256
55.22.154.0/24
Headquarters, USAISC 256
55.22.157.0/24
Headquarters, USAISC 256
55.22.158.0/24
Headquarters, USAISC 256
55.22.164.0/24
Headquarters, USAISC 256
55.22.168.0/24
Headquarters, USAISC 256
55.22.170.0/24
Headquarters, USAISC 256
55.22.172.0/24
Headquarters, USAISC 256
55.22.174.0/24
Headquarters, USAISC 256
55.22.176.0/24
Headquarters, USAISC 256
55.22.182.0/24
Headquarters, USAISC 256
55.22.186.0/24
Headquarters, USAISC 256
55.22.188.0/24
Headquarters, USAISC 256
55.22.194.0/24
Headquarters, USAISC 256
55.22.196.0/24
Headquarters, USAISC 256
55.22.198.0/24
Headquarters, USAISC 256
55.22.200.0/24
Headquarters, USAISC 256
55.22.202.0/24
Headquarters, USAISC 256
55.22.206.0/24
Headquarters, USAISC 256
55.22.208.0/24
Headquarters, USAISC 256
55.22.212.0/24
Headquarters, USAISC 256
55.22.214.0/24
Headquarters, USAISC 256
55.22.226.0/24
Headquarters, USAISC 256
198.22.127.0/24
USDA 256
204.10.158.0/24
IRR InValid
North American Telecommunications Corporation 256
204.10.159.0/24
IRR InValid
North American Telecommunications Corporation 256
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS33 HPINC - HP Inc., US United States 4,608 0 IPv4 IPv4
AS348 DNIC-ASBLK-00306-00371 - United States Department of Defense (DoD), US United States 65,536 16,777,216 IPv4 IPv4
AS3423 ATTIS-ASN3423 - AT&T Enterprises, LLC, US United States 3,328 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS4151 USDA-1 - USDA, US United States 0 0 IPv4 IPv4
AS4185 ATTIS-ASN4185 - AT&T Enterprises, LLC, US United States 201,216 1,310,720 IPv4 IPv4 IPv6 IPv6
AS4473 ATTIS-ASN4473 - AT&T Enterprises, LLC, US United States 144,128 2,097,152 IPv4 IPv4 IPv6 IPv6
AS30016 AS01-NATC-4-NA - North American Telecommunications Corporation, US United States 2,560 0 IPv4 IPv4
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS2576 DOT-AS - U. S. Department of Transportation, US United States 268,800 4,063,232 IPv4 IPv4 IPv6 IPv6
AS8076 HUD - Department of Housing and Urban Development, US United States 2,560 131,072 IPv4 IPv4 IPv6 IPv6
AS10616 NTIS - National Oceanic and Atmospheric Administration, US United States 2,048 16,777,216 IPv4 IPv4 IPv6 IPv6
AS14298 EPA-NET - Environmental Protection Agency, US United States 262,400 268,435,456 IPv4 IPv4 IPv6 IPv6
ASNumber:       13979
ASName:         ATT-IPFR
ASHandle:       AS13979
RegDate:        1999-09-28
Updated:        2025-03-18    
Ref:            https://rdap.arin.net/registry/autnum/13979


AT&T Enterprises, LLC (AEL-360)


OrgAbuseHandle: ABUSE7-ARIN
OrgAbuseName:   abuse
OrgAbusePhone:  +1-919-319-8167 
OrgAbuseEmail:  abuse@att.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE7-ARIN

OrgTechHandle: ZS44-ARIN
OrgTechName:   IPAdmin-ATT Internet Services
OrgTechPhone:  +1-888-510-5545 
OrgTechEmail:  ipadmin@semail.att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ZS44-ARIN

OrgRoutingHandle: ROUTI59-ARIN
OrgRoutingName:   Routing POC
OrgRoutingPhone:  +1-999-999-9999 
OrgRoutingEmail:  DL-routing_poc@att.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI59-ARIN

OrgTechHandle: ICC-ARIN
OrgTechName:   IP Team
OrgTechPhone:  +1-888-876-2382 
OrgTechEmail:  rm-ipspecialist@att.com
OrgTechRef:    https://rdap.arin.net/registry/entity/ICC-ARIN