| 216.0.0.0/8 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 216.186.0.0/17 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.0.0/17 | WHOIS (ARIN) | Washington State K-20 Telecommunications Network | US |
| 216.186.0.0/17 | ARIN assigned | — | US |
| 216.186.0.0/20 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.32.0/20 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.80.0/20 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.112.0/20 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.8.0/21 | WHOIS (ARIN) | Tumwater School District | US |
| 216.186.72.0/21 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.104.0/21 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.20.0/22 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.20.0/22 | WHOIS (ARIN) | Rochester SD | US |
| 216.186.28.0/22 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.44.0/22 | WHOIS (ARIN) | Fife School District #417 | US |
| 216.186.52.0/22 | BGP route | AS54027 Seattle Public Schools | — |
| 216.186.52.0/22 | WHOIS (ARIN) | Seattle Public Schools | US |
| 216.186.56.0/22 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.68.0/22 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.68.0/22 | WHOIS (ARIN) | Cascadia Community College Bldg Two | US |
| 216.186.76.0/22 | WHOIS (ARIN) | Auburn SD | US |
| 216.186.100.0/22 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.2.0/23 | WHOIS (ARIN) | Sequim School District | US |
| 216.186.6.0/23 | WHOIS (ARIN) | Tumwater School District | US |
| 216.186.16.0/23 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.16.0/23 | WHOIS (ARIN) | Tumwater School District | US |
| 216.186.26.0/23 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.32.0/23 | WHOIS (ARIN) | Nine Mile Falls School District | US |
| 216.186.38.0/23 | WHOIS (ARIN) | Freeman School District | US |
| 216.186.48.0/23 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.60.0/23 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.62.0/23 | BGP route | AS54027 Seattle Public Schools | — |
| 216.186.62.0/23 | WHOIS (ARIN) | Seattle Public Schools | US |
| 216.186.64.0/23 | BGP route | AS54027 Seattle Public Schools | — |
| 216.186.64.0/23 | WHOIS (ARIN) | Seattle Public Schools | US |
| 216.186.72.0/23 | WHOIS (ARIN) | Kelso School District | US |
| 216.186.74.0/23 | WHOIS (ARIN) | Walla Walla SD | US |
| 216.186.80.0/23 | WHOIS (ARIN) | Waitsburg SD | US |
| 216.186.96.0/23 | BGP route | AS54027 Seattle Public Schools | — |
| 216.186.96.0/23 | WHOIS (ARIN) | Seattle Public Schools | US |
| 216.186.100.0/23 | WHOIS (ARIN) | Wahkiakum School District | US |
| 216.186.102.0/23 | WHOIS (ARIN) | Ellensburg School District | US |
| 216.186.18.0/24 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.18.0/24 | WHOIS (ARIN) | Tumwater School District | US |
| 216.186.19.0/24 | BGP route | AS11548 Heritage University | — |
| 216.186.19.0/24 | WHOIS (ARIN) | Heritage University | US |
| 216.186.24.0/24 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.25.0/24 | BGP route | AS401367 Tacoma Public Schools | — |
| 216.186.27.0/24 | WHOIS (ARIN) | Oak Harbor School District | US |
| 216.186.29.0/24 | WHOIS (ARIN) | Mukilteo School District | US |
| 216.186.30.0/24 | WHOIS (ARIN) | Kennewick School District | US |
| 216.186.34.0/24 | WHOIS (ARIN) | Nine Mile Falls School District | US |
| 216.186.50.0/24 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.51.0/24 | BGP route | AS54436 Highline School District | — |
| 216.186.51.0/24 | WHOIS (ARIN) | Highline School District | US |
| 216.186.56.0/24 | WHOIS (ARIN) | Educational Service District 105 | US |
| 216.186.57.0/24 | WHOIS (ARIN) | Okanogan School District | US |
| 216.186.66.0/24 | BGP route | AS54027 Seattle Public Schools | — |
| 216.186.66.0/24 | WHOIS (ARIN) | Seattle Public Schools | US |
| 216.186.67.0/24 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.67.0/24 | WHOIS (ARIN) | Cascadia Community College Bldg Two | US |
| 216.186.84.0/24 | WHOIS (ARIN) | Nine Mile Falls School District | US |
| 216.186.85.0/24 | WHOIS (ARIN) | North Beach School District | US |
| 216.186.86.0/24 | WHOIS (ARIN) | Monroe School District | US |
| 216.186.87.0/24 | WHOIS (ARIN) | Seattle Public Schools | US |
| 216.186.88.0/24 | WHOIS (ARIN) | Mabton School District | US |
| 216.186.89.0/24 | WHOIS (ARIN) | Waitsburg School District | US |
| 216.186.93.0/24 | WHOIS (ARIN) | Pe Ell School District | US |
| 216.186.98.0/24 | BGP route | AS11548 Heritage University | — |
| 216.186.98.0/24 | WHOIS (ARIN) | Heritage College | US |
| 216.186.99.0/24 | BGP route | AS10430 Washington State K-20 Telecommunications Network | — |
| 216.186.99.0/24 | WHOIS (ARIN) | Marysville School District | US |
| 216.186.4.0/25 | WHOIS (ARIN) | Tumwater School District | US |
| 216.186.4.128/25 | WHOIS (ARIN) | Washington State University | US |
| 216.186.5.0/25 | WHOIS (ARIN) | Tumwater School District | US |
| 216.186.26.0/25 | WHOIS (ARIN) | Ritzville School District | US |
| 216.186.36.128/25 | WHOIS (ARIN) | Washington State University | US |
| 216.186.37.0/25 | WHOIS (ARIN) | Wishram School District | US |
| 216.186.37.128/25 | WHOIS (ARIN) | Harrington School District | US |
| 216.186.41.128/25 | WHOIS (ARIN) | Valley School District No. 70 | US |
| 216.186.48.128/25 | WHOIS (ARIN) | Columbia School District No. 206 | US |