U.S. Department of the Interior
AS22284 (UDI-1) announces at least 205 prefixes:
130.11.0.0/16
Department of Interior United States Geological Survey
about a second ago
NET-130-11-0-0-1
130.11.0.0-130.11.255.255
130.118.0.0/16
NET-130-118-0-0-1
130.118.0.0-130.118.255.255
130.118.176.0/21
130.118.184.0/22
136.177.0.0/16
NET-136-177-0-0-1
136.177.0.0-136.177.255.255
137.77.0.0/16
U.S. Department of Interior Bureau of Reclamation
NET-137-77-0-0-1
137.77.0.0-137.77.255.255
137.77.0.0/17
137.227.0.0/19
NET-137-227-0-0-1
137.227.0.0-137.227.255.255
137.227.5.0/24
137.227.29.0/24
137.227.31.0/24
137.227.64.0/19
137.227.66.0/24
137.227.75.0/24
137.227.76.0/24
137.227.80.0/24
137.227.83.0/24
137.227.125.0/24
137.227.126.0/24
137.227.127.0/24
137.227.134.0/24
137.227.136.0/24
137.227.158.0/23
137.227.158.0/24
137.227.159.0/24
137.227.160.0/19
137.227.163.0/24
137.227.176.0/21
137.227.200.0/24
137.227.201.0/24
137.227.204.0/24
137.227.224.0/19
137.227.227.0/24
137.227.240.0/21
140.214.0.0/15
NET-140-214-0-0-1
140.214.0.0-140.214.255.255
140.214.0.0/16
140.215.0.0/16
NET-140-215-0-0-1
140.215.0.0-140.215.255.255
140.216.0.0/16
NET-140-216-0-0-1
140.216.0.0-140.216.255.255
140.217.0.0/16
NET-140-217-0-0-1
140.217.0.0-140.217.255.255
140.218.0.0/16
NET-140-218-0-0-1
140.218.0.0-140.218.255.255
140.219.0.0/16
NET-140-219-0-0-1
140.219.0.0-140.219.255.255
144.47.0.0/16
NET-144-47-0-0-1
144.47.0.0-144.47.255.255
152.61.0.0/16
NET-152-61-0-0-1
152.61.0.0-152.61.255.255
158.68.64.0/23
Bureau of Land Management
NET-158-68-0-0-1
158.68.0.0-158.68.255.255
158.68.64.0/24
158.68.66.0/24
158.68.192.0/20
158.68.195.0/24
158.68.208.0/21
158.68.216.0/21
158.68.221.0/24
158.68.231.0/24
158.68.232.0/21
158.68.240.0/21
158.68.249.0/24
159.189.0.0/16
National Wetlands Research Center, United States Geological Survey
NET-159-189-0-0-1
159.189.0.0-159.189.255.255
159.189.0.0/18
159.189.64.0/19
159.189.96.0/19
159.189.128.0/18
159.189.224.0/22
159.189.240.0/20
161.160.32.0/24
NET-161-160-0-0-1
161.160.0.0-161.160.255.255
161.160.64.0/19
161.160.96.0/19
161.160.160.0/19
161.160.192.0/19
161.160.254.0/24
161.217.0.0/16
U.S. Bureau of Indian Affairs
NET-161-217-0-0-1
161.217.0.0-161.217.255.255
161.217.0.0/17
161.217.1.0/24
161.217.2.0/24
161.217.3.0/24
161.217.5.0/24
161.217.8.0/24
161.217.11.0/24
161.217.14.0/24
161.217.17.0/24
161.217.20.0/24
161.217.22.0/24
161.217.23.0/24
161.217.26.0/24
161.217.28.0/23
161.217.30.0/23
161.217.36.0/24
161.217.38.0/24
161.217.39.0/24
161.217.42.0/23
161.217.44.0/24
161.217.52.0/23
161.217.54.0/23
161.217.58.0/23
161.217.61.0/24
161.217.64.0/24
161.217.65.0/24
161.217.66.0/24
161.217.69.0/24
161.217.74.0/24
161.217.75.0/24
161.217.76.0/24
161.217.77.0/24
161.217.104.0/23
161.217.106.0/24
161.217.107.0/24
161.217.108.0/24
161.217.113.0/24
161.217.115.0/24
161.217.117.0/24
161.217.122.0/24
161.217.123.0/24
161.217.128.0/17
161.217.138.0/24
161.217.143.0/24
161.217.144.0/23
161.217.144.0/24
161.217.145.0/24
161.217.146.0/24
161.217.154.0/24
161.217.166.0/24
161.217.177.0/24
161.217.178.0/24
161.217.180.0/24
161.217.183.0/24
161.217.185.0/24
161.217.188.0/24
161.217.189.0/24
161.217.192.0/24
161.217.194.0/24
161.217.196.0/24
161.217.197.0/24
161.217.201.0/24
161.217.218.0/24
161.217.229.0/24
161.217.236.0/24
164.159.0.0/16
U.S. Fish and Wildlife Service
NET-164-159-0-0-1
164.159.0.0-164.159.255.255
164.159.59.0/24
164.159.61.0/24
164.159.62.0/24
164.159.152.0/21
164.159.171.0/24
164.159.202.0/24
164.159.250.0/24
164.159.251.0/24
164.159.252.0/24
165.83.0.0/16
National Park Service
NET-165-83-0-0-1
165.83.0.0-165.83.255.255
165.83.0.0/20
165.83.28.0/22
165.83.28.0/24
165.83.40.0/21
165.83.48.0/20
165.83.64.0/19
165.83.96.0/20
165.83.112.0/20
165.83.128.0/22
165.83.133.0/24
165.83.140.0/22
165.83.144.0/20
165.83.160.0/24
165.83.176.0/20
165.83.197.0/24
165.83.198.0/24
165.83.199.0/24
165.83.200.0/24
165.83.201.0/24
165.83.203.0/24
165.83.204.0/24
165.83.208.0/24
165.83.209.0/24
165.83.211.0/24
165.83.212.0/24
165.83.213.0/24
165.83.218.0/24
165.83.219.0/24
165.83.220.0/24
165.83.221.0/24
165.83.222.0/24
165.83.223.0/24
165.83.224.0/20
165.83.237.0/24
165.83.240.0/24
165.83.252.0/22
192.41.204.0/24
NET-192-41-204-0-1
192.41.204.0-192.41.204.255
192.58.224.0/24
NET-192-58-224-0-1
192.58.224.0-192.58.224.255
192.58.225.0/24
NET-192-58-225-0-1
192.58.225.0-192.58.225.255
192.135.177.0/24
NET-192-135-177-0-1
192.135.177.0-192.135.177.255
192.135.178.0/24
NET-192-135-178-0-1
192.135.178.0-192.135.178.255
192.135.179.0/24
NET-192-135-179-0-1
192.135.179.0-192.135.179.255
192.146.254.0/24
NET-192-146-254-0-1
192.146.254.0-192.146.254.255
192.243.128.0/18
Office of Surface Mining Reclamation and Enforcement
NET-192-243-128-0-1
192.243.128.0-192.243.212.255
192.243.160.0/20
192.243.176.0/24
192.243.177.0/24
198.246.80.0/24
NET-198-246-64-0-1
198.246.64.0-198.246.95.255
199.244.155.0/24
NET-199-244-155-0-1
199.244.155.0-199.244.155.255
199.244.156.0/24
NET-199-244-156-0-1
199.244.156.0-199.244.156.255
204.17.176.0/24
NET-204-17-170-0-1
204.17.170.0-204.17.176.255
204.52.189.0/24
NET-204-52-189-0-1
204.52.189.0-204.52.190.255
204.52.190.0/24
204.124.92.0/24
NET-204-124-92-0-1
204.124.92.0-204.124.94.255
204.124.93.0/24
205.173.0.0/21
NET-205-173-0-0-1
205.173.0.0-205.173.7.255
205.173.5.0/24
206.197.40.0/23
NET-206-197-40-0-1
206.197.40.0-206.197.40.255
206.197.41.0/24
NET-206-197-41-0-1
206.197.41.0-206.197.41.255
2001:49c8::/32
NET6-2001-49C8-1
2001:49c8::-2001:49c8:ffff:ffff:ffff:ffff:ffff:ffff
5
AS1842
USGS-Z
AS3549
LPL-141
AS5663
AS21633
UDI-1
AS22284
UDI-1 (AS Path prepending)