| 204.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 204.70.0.0/15 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.70.0.0/15 | WHOIS (ARIN) | CenturyLink Communications, LLC | US |
| 204.70.0.0/15 | ARIN assigned | — | US |
| 204.71.176.0/20 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.192.0/20 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.32.0/22 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.40.0/22 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.60.0/22 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.128.0/22 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.140.0/22 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.232.0/22 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.74.0/23 | WHOIS (ARIN) | CAMPUS MCI INTERNET | US |
| 204.71.76.0/23 | WHOIS (ARIN) | CAMPUS MCI INTERNET | US |
| 204.71.88.0/23 | BGP route | AS11012 The Digital Design Company | — |
| 204.71.100.0/23 | WHOIS (ARIN) | SBT, Inc. | US |
| 204.71.178.0/23 | WHOIS (ARIN) | Blackhawk Network, Inc. | US |
| 204.70.128.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.70.133.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.70.138.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.0.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.0.0/24 | WHOIS (ARIN) | iSCAPE Inc. | US |
| 204.71.16.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.18.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.38.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.45.0/24 | WHOIS (ARIN) | Comdisco | US |
| 204.71.46.0/24 | WHOIS (ARIN) | Comdisco | US |
| 204.71.47.0/24 | WHOIS (ARIN) | COMDISCO INTERNET ACCESS | US |
| 204.71.79.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.100.0/24 | BGP route | AS11255 Screamin' Banshee Technologies | — |
| 204.71.101.0/24 | BGP route | AS11255 Screamin' Banshee Technologies | — |
| 204.71.102.0/24 | WHOIS (ARIN) | TFX Inc | US |
| 204.71.112.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.117.0/24 | WHOIS (ARIN) | Merrill Lynch, Pierce, Fenner & Smith Inc. | US |
| 204.71.134.0/24 | WHOIS (ARIN) | Talisma Corp | US |
| 204.71.142.0/24 | WHOIS (ARIN) | TMA Resources Inc. | US |
| 204.71.176.0/24 | WHOIS (ARIN) | Merced Systems, Inc. | US |
| 204.71.178.0/24 | BGP route | AS396167 Blackhawk Network, Inc. | — |
| 204.71.179.0/24 | BGP route | AS396167 Blackhawk Network, Inc. | — |
| 204.71.190.0/24 | WHOIS (ARIN) | Xfire, Inc. | US |
| 204.71.220.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.234.0/24 | BGP route | AS62827 Thales DIS USA, Inc. | — |
| 204.71.234.0/24 | WHOIS (ARIN) | Gemalto Inc | US |
| 204.71.241.0/24 | BGP route | AS3561 CenturyLink Communications, LLC | — |
| 204.71.141.128/25 | WHOIS (ARIN) | The Gap INC. | US |
| 204.71.232.128/25 | WHOIS (ARIN) | Big Machines, Inc. | US |
| 204.71.129.0/26 | WHOIS (ARIN) | The Gap INC. | US |
| 204.71.131.128/26 | WHOIS (ARIN) | Avaya, Inc. | US |
| 204.71.232.64/26 | WHOIS (ARIN) | Procter and Gamble | US |
| 204.71.233.64/26 | WHOIS (ARIN) | Schering-Plough Health Care Products, Inc. | US |
| 204.71.32.96/27 | WHOIS (ARIN) | Procter and Gamble | US |
| 204.71.33.128/27 | WHOIS (ARIN) | Brown & Williamson Tobacco Corp | US |
| 204.71.33.224/27 | WHOIS (ARIN) | Astegic | US |
| 204.71.60.192/27 | WHOIS (ARIN) | Xerox XIDS | US |
| 204.71.129.128/27 | WHOIS (ARIN) | CuraSpan Inc | US |
| 204.71.131.224/27 | WHOIS (ARIN) | Gifts In Kind | US |
| 204.71.140.96/27 | WHOIS (ARIN) | Stealth Holdings, LLC | US |
| 204.71.140.128/27 | WHOIS (ARIN) | SAXoTECH, INC | US |
| 204.71.141.32/27 | WHOIS (ARIN) | Era Corporation | US |
| 204.71.143.64/27 | WHOIS (ARIN) | FILA USA | US |
| 204.71.143.96/27 | WHOIS (ARIN) | M Shanken Communications, Inc. | US |
| 204.71.143.192/27 | WHOIS (ARIN) | Owens Corning | US |
| 204.71.235.32/27 | WHOIS (ARIN) | Education 2020 / DBA EDGENUITY | US |
| 204.71.32.48/28 | WHOIS (ARIN) | Stealth Holdings, LLC | US |
| 204.71.32.144/28 | WHOIS (ARIN) | Procter and Gamble | US |
| 204.71.34.240/28 | WHOIS (ARIN) | Stealth Holdings, LLC | US |
| 204.71.60.32/28 | WHOIS (ARIN) | Nuclear Threat Initiative | US |
| 204.71.60.48/28 | WHOIS (ARIN) | Nuclear Threat Initiative | US |
| 204.71.61.0/28 | WHOIS (ARIN) | FILA USA | US |
| 204.71.61.224/28 | WHOIS (ARIN) | Hogan & Hartson LLP | US |
| 204.71.62.208/28 | WHOIS (ARIN) | SAXoTECH, INC | US |
| 204.71.62.224/28 | WHOIS (ARIN) | FOX NEWS | US |
| 204.71.129.96/28 | WHOIS (ARIN) | FOX NEWS | US |
| 204.71.129.224/28 | WHOIS (ARIN) | California First National Bank | US |
| 204.71.129.240/28 | WHOIS (ARIN) | Campus Management Corp. | US |
| 204.71.140.0/28 | WHOIS (ARIN) | Casual Corner Group.Com , LLC | US |
| 204.71.140.16/28 | WHOIS (ARIN) | Commodity Network | US |