| 209.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 209.64.0.0/15 | BGP route | AS7018 AT&T Enterprises, LLC | — |
| 209.64.0.0/15 | WHOIS (ARIN) | AT&T Enterprises, LLC | US |
| 209.64.0.0/15 | ARIN assigned | — | US |
| 209.64.240.0/20 | WHOIS (ARIN) | DYCOM INDUSTRIES | US |
| 209.65.80.0/20 | BGP route | AS40801 Lewis University | — |
| 209.65.80.0/20 | WHOIS (ARIN) | LEWIS UNIVERSITY | US |
| 209.65.112.0/20 | WHOIS (ARIN) | AVS INTERNET | US |
| 209.65.208.0/20 | WHOIS (ARIN) | NEWNET-66 INTERNAL ACCT | US |
| 209.65.224.0/20 | WHOIS (ARIN) | NEWNET-66 INTERNAL ACCT | US |
| 209.65.64.0/21 | BGP route | AS29902 Complete Computers | — |
| 209.65.64.0/21 | WHOIS (ARIN) | ACC-TG FERGUSON COMPANY | US |
| 209.65.72.0/21 | BGP route | AS53832 Boycom Cablevision | — |
| 209.65.72.0/21 | WHOIS (ARIN) | BOY COM CABLEVISION INC | US |
| 209.65.144.0/21 | BGP route | AS36105 Big Bend Telephone Company, Inc. | — |
| 209.65.144.0/21 | WHOIS (ARIN) | BIG BEND | US |
| 209.65.152.0/21 | WHOIS (ARIN) | ATT CORP-INTRA-LEGACY T LEGAL | US |
| 209.65.160.0/21 | WHOIS (ARIN) | ATT CORP-INTRA-LEGACY T LEGAL | US |
| 209.65.184.0/21 | BGP route | AS393508 PERSONAL NETWORK COMPUTING | — |
| 209.65.184.0/21 | WHOIS (ARIN) | PERSONAL NETWORK COMPUTING | US |
| 209.64.16.0/22 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.48.0/22 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.76.0/22 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.148.0/22 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.152.0/22 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.212.0/22 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.65.16.0/22 | BGP route | AS10998 Bank of America, National Association | — |
| 209.65.36.0/22 | WHOIS (ARIN) | IP TEAM DO NOT TOUCH PORTS | US |
| 209.64.44.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | — |
| 209.64.88.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.92.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.136.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.140.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.206.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.208.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.210.0/23 | WHOIS (ARIN) | MasterCard Technologies LLC | US |
| 209.64.218.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.220.0/23 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.65.8.0/23 | WHOIS (ARIN) | TCORP-FA-PRODUCT TO PRODUCT | US |
| 209.65.54.0/23 | WHOIS (ARIN) | IP TEAM DO NOT TOUCH PORTS | US |
| 209.65.58.0/23 | WHOIS (ARIN) | Private Customer | US |
| 209.65.150.0/23 | BGP route | AS36105 Big Bend Telephone Company, Inc. | — |
| 209.64.7.0/24 | BGP route | AS25993 AT&T Enterprises, LLC | — |
| 209.64.7.0/24 | WHOIS (ARIN) | ATTSI, INFORMATION TECHNOLOGY OP | US |
| 209.64.20.0/24 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.23.0/24 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.25.0/24 | BGP route | AS22034 MCMASTER CARR SUPPLY COMPANY | — |
| 209.64.25.0/24 | WHOIS (ARIN) | MCMASTER CARR SUPPLY CO | US |
| 209.64.27.0/24 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.28.0/24 | WHOIS (ARIN) | Audit Bureau of Circulation | US |
| 209.64.31.0/24 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.36.0/24 | BGP route | AS63012 East Baton Rouge Sheriff | — |
| 209.64.41.0/24 | WHOIS (ARIN) | ALLSUP INC. | US |
| 209.64.45.0/24 | BGP route | AS6619 SamsungSDS Inc. | — |
| 209.64.47.0/24 | WHOIS (ARIN) | BOINGO WIRELESS, INC | US |
| 209.64.52.0/24 | BGP route | AS16774 Mercury Insurance Group | — |
| 209.64.52.0/24 | WHOIS (ARIN) | MERCURY CASUALITY CO | US |
| 209.64.56.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.56.0/24 | WHOIS (ARIN) | CITY OF ATLANTA | US |
| 209.64.65.0/24 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.74.0/24 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.90.0/24 | WHOIS (ARIN) | Piper Jaffary Companies Inc. | US |
| 209.64.97.0/24 | WHOIS (ARIN) | FUTURE LOGIC INC | US |
| 209.64.116.0/24 | BGP route | AS27358 TRUSTMARK INSURANCE CO. | — |
| 209.64.138.0/24 | WHOIS (ARIN) | AT&T Services, Inc. | US |
| 209.64.139.0/24 | WHOIS (ARIN) | Sandata | US |
| 209.64.142.0/24 | BGP route | AS13581 SHI International Corp. | — |
| 209.64.143.0/24 | BGP route | AS26454 Henry Schein Inc | — |
| 209.64.152.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.153.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.154.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.155.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.156.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.157.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.158.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.159.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.64.162.0/24 | BGP route | AS393385 National Vision, Inc. | — |
| 209.64.166.0/24 | BGP route | AS7018 AT&T Enterprises, LLC | — |
| 209.64.171.0/24 | BGP route | AS398201 Graham Health System | — |
| 209.64.202.0/24 | BGP route | AS13581 SHI International Corp. | — |
| 209.64.210.0/24 | BGP route | AS26380 MasterCard Technologies LLC | — |
| 209.64.211.0/24 | BGP route | AS26380 MasterCard Technologies LLC | — |
| 209.65.8.0/24 | BGP route | AS4473 AT&T Enterprises, LLC | — |
| 209.65.9.0/24 | BGP route | AS4473 AT&T Enterprises, LLC | — |
| 209.65.14.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.15.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.52.0/24 | BGP route | AS36862 Green Mountain Technology, LLC | — |
| 209.65.141.0/24 | BGP route | AS397910 AEG | — |
| 209.65.160.0/24 | BGP route | AS4473 AT&T Enterprises, LLC | — |
| 209.65.161.0/24 | BGP route | AS4473 AT&T Enterprises, LLC | — |
| 209.65.163.0/24 | BGP route | AS4473 AT&T Enterprises, LLC | — |
| 209.65.164.0/24 | BGP route | AS4473 AT&T Enterprises, LLC | — |
| 209.65.176.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.177.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.178.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.180.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.181.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.182.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.183.0/24 | BGP route | AS2386 AT&T Enterprises, LLC | — |
| 209.65.184.0/24 | BGP route | AS393508 PERSONAL NETWORK COMPUTING | — |
| 209.65.185.0/24 | BGP route | AS393508 PERSONAL NETWORK COMPUTING | — |