| 216.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 216.100.0.0/14 | BGP route | AS7018 AT&T Enterprises, LLC | — |
| 216.100.0.0/14 | WHOIS (ARIN) | AT&T Enterprises, LLC | US |
| 216.100.0.0/14 | ARIN assigned | — | US |
| 216.103.16.0/20 | WHOIS (ARIN) | GMAC Mortgage | US |
| 216.103.160.0/20 | WHOIS (ARIN) | HOUSE OF IP | US |
| 216.100.88.0/21 | WHOIS (ARIN) | Orange County Department of Education | US |
| 216.102.72.0/21 | BGP route | AS23369 Sonoma County Office of Education | — |
| 216.102.72.0/21 | WHOIS (ARIN) | Sonoma County Office of Education | US |
| 216.102.168.0/21 | WHOIS (ARIN) | PBI Internal Lan Redesign | US |
| 216.103.48.0/21 | WHOIS (ARIN) | ADSL BASIC-rback3.lsan03 | US |
| 216.103.80.0/21 | WHOIS (ARIN) | ADSL BASIC-rback4.snfc21 | US |
| 216.103.208.0/21 | WHOIS (ARIN) | ADSL BASIC-snfc21 | US |
| 216.100.36.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.36.0/22 | WHOIS (ARIN) | Humboldt Internet | US |
| 216.100.68.0/22 | WHOIS (ARIN) | Rback16.lsan03 PPPoX Customer IP Pool | US |
| 216.100.72.0/22 | WHOIS (ARIN) | Rback36.lsan03 PPPoX Customer IP Pool | US |
| 216.100.80.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.136.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.180.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.204.0/22 | WHOIS (ARIN) | Comentum Corporation | US |
| 216.101.104.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.101.128.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.101.136.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.101.188.0/22 | WHOIS (ARIN) | switched pools-LATA1 | US |
| 216.101.208.0/22 | WHOIS (ARIN) | ADSL BASIC-lsan03 | US |
| 216.101.216.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.102.12.0/22 | BGP route | AS23369 Sonoma County Office of Education | — |
| 216.102.36.0/22 | WHOIS (ARIN) | On Lok | US |
| 216.102.80.0/22 | BGP route | AS23369 Sonoma County Office of Education | — |
| 216.102.80.0/22 | WHOIS (ARIN) | Sonoma County Office of Education | US |
| 216.102.84.0/22 | WHOIS (ARIN) | ADSL BASIC-snfc21 | US |
| 216.102.112.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.102.124.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.103.56.0/22 | WHOIS (ARIN) | ADSL BASIC-rback3.lsan03 | US |
| 216.103.88.0/22 | WHOIS (ARIN) | ADSL BASIC-rback4.snfc21 | US |
| 216.103.152.0/22 | WHOIS (ARIN) | Global Micro Solutions | US |
| 216.103.204.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.103.228.0/22 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.0.0/23 | WHOIS (ARIN) | City Of Culver City | US |
| 216.100.80.0/23 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.80.0/23 | WHOIS (ARIN) | Jack Nadel, Inc. | US |
| 216.100.82.0/23 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.162.0/23 | WHOIS (ARIN) | Webnet One | US |
| 216.100.234.0/23 | WHOIS (ARIN) | The Athenian School | US |
| 216.101.8.0/23 | WHOIS (ARIN) | PC Discounters | US |
| 216.101.12.0/23 | WHOIS (ARIN) | ADSL BASIC-renocs | US |
| 216.101.28.0/23 | WHOIS (ARIN) | Club One | US |
| 216.101.40.0/23 | WHOIS (ARIN) | WellPoint Health Networks, Inc | US |
| 216.101.58.0/23 | WHOIS (ARIN) | Pacific Oaks College | US |
| 216.101.98.0/23 | WHOIS (ARIN) | R & D Computers | US |
| 216.101.108.0/23 | WHOIS (ARIN) | ADSL BASIC-rback1.snfc21 | US |
| 216.101.124.0/23 | WHOIS (ARIN) | ESG Consulting Inc. | US |
| 216.101.186.0/23 | WHOIS (ARIN) | switched pools-LATA1 | US |
| 216.101.200.0/23 | WHOIS (ARIN) | Barnhart School | US |
| 216.101.216.0/23 | WHOIS (ARIN) | Argotech Business Systems | US |
| 216.101.224.0/23 | WHOIS (ARIN) | San Francisco, City & County of | US |
| 216.101.236.0/23 | WHOIS (ARIN) | SAN FRANCISCO BASEBALL ASSOCI | US |
| 216.101.244.0/23 | WHOIS (ARIN) | ADSL BASIC-snfc21 | US |
| 216.102.2.0/23 | WHOIS (ARIN) | Net Vista | US |
| 216.102.16.0/23 | WHOIS (ARIN) | Grossmont Union High School District | US |
| 216.102.28.0/23 | WHOIS (ARIN) | Calexico Unified School District | US |
| 216.102.96.0/23 | WHOIS (ARIN) | Fuse Three | US |
| 216.102.100.0/23 | WHOIS (ARIN) | Fuse Three | US |
| 216.102.188.0/23 | WHOIS (ARIN) | Point to Point Networks2 - LSAN03 | US |
| 216.103.0.0/23 | WHOIS (ARIN) | SanDiegoCountyWaterAuthority | US |
| 216.103.12.0/23 | WHOIS (ARIN) | Access Developers LLC | US |
| 216.103.100.0/23 | WHOIS (ARIN) | San Francisco, City & County of | US |
| 216.103.106.0/23 | WHOIS (ARIN) | ADSL BASIC-rback3.snfc21 | US |
| 216.100.72.0/24 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.73.0/24 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.74.0/24 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.75.0/24 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.133.0/24 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.134.0/24 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.135.0/24 | BGP route | AS7287 AT&T Enterprises, LLC | — |
| 216.100.200.0/24 | BGP route | AS14849 Superior Court of California, County of San Diego | — |
| 216.101.17.0/24 | BGP route | AS14421 Theravance Biopharma US, LLC | — |
| 216.101.115.0/24 | BGP route | AS30443 Golden State Overnight Delivery Service, Inc. | — |
| 216.103.147.0/24 | BGP route | AS36074 Torrance Memorial Medical Center | — |
| 216.103.157.0/24 | BGP route | AS36074 Torrance Memorial Medical Center | — |
| 216.103.243.0/24 | BGP route | AS7287 AT&T Enterprises, LLC | — |