[0] 0.108.189.18.in-addr.arpa.: domain name does not exist
[0] 1.108.189.18.in-addr.arpa.: domain name does not exist
[0] 2.108.189.18.in-addr.arpa.: domain name does not exist
[0] 3.108.189.18.in-addr.arpa.: domain name does not exist
[0] 4.108.189.18.in-addr.arpa.: domain name does not exist
[0] 5.108.189.18.in-addr.arpa.: domain name does not exist
[60] 6.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-6.dyn.mit.edu
[0] 7.108.189.18.in-addr.arpa.: domain name does not exist
[60] 8.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-8.dyn.mit.edu
[60] 9.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-9.dyn.mit.edu
[60] 10.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-10.dyn.mit.edu
[60] 11.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-11.dyn.mit.edu
[60] 12.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-12.dyn.mit.edu
[60] 13.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-13.dyn.mit.edu
[0] 14.108.189.18.in-addr.arpa.: domain name does not exist
[0] 15.108.189.18.in-addr.arpa.: domain name does not exist
[60] 16.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-16.dyn.mit.edu
[60] 17.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-17.dyn.mit.edu
[0] 18.108.189.18.in-addr.arpa.: domain name does not exist
[60] 19.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-19.dyn.mit.edu
[0] 20.108.189.18.in-addr.arpa.: domain name does not exist
[0] 21.108.189.18.in-addr.arpa.: domain name does not exist
[0] 22.108.189.18.in-addr.arpa.: domain name does not exist
[0] 23.108.189.18.in-addr.arpa.: domain name does not exist
[60] 24.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-24.dyn.mit.edu
[0] 25.108.189.18.in-addr.arpa.: domain name does not exist
[60] 26.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-26.dyn.mit.edu
[60] 27.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-27.dyn.mit.edu
[60] 28.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-28.dyn.mit.edu
[60] 29.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-29.dyn.mit.edu
[60] 30.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-30.dyn.mit.edu
[0] 31.108.189.18.in-addr.arpa.: domain name does not exist
[0] 32.108.189.18.in-addr.arpa.: domain name does not exist
[0] 33.108.189.18.in-addr.arpa.: domain name does not exist
[60] 34.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-34.dyn.mit.edu
[0] 35.108.189.18.in-addr.arpa.: domain name does not exist
[0] 36.108.189.18.in-addr.arpa.: domain name does not exist
[0] 37.108.189.18.in-addr.arpa.: domain name does not exist
[0] 38.108.189.18.in-addr.arpa.: domain name does not exist
[60] 39.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-39.dyn.mit.edu
[0] 40.108.189.18.in-addr.arpa.: domain name does not exist
[60] 41.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-41.dyn.mit.edu
[0] 42.108.189.18.in-addr.arpa.: domain name does not exist
[60] 43.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-43.dyn.mit.edu
[60] 44.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-44.dyn.mit.edu
[0] 45.108.189.18.in-addr.arpa.: domain name does not exist
[60] 46.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-46.dyn.mit.edu
[60] 47.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-47.dyn.mit.edu
[0] 48.108.189.18.in-addr.arpa.: domain name does not exist
[0] 49.108.189.18.in-addr.arpa.: domain name does not exist
[0] 50.108.189.18.in-addr.arpa.: domain name does not exist
[0] 51.108.189.18.in-addr.arpa.: domain name does not exist
[60] 52.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-52.dyn.mit.edu
[0] 53.108.189.18.in-addr.arpa.: domain name does not exist
[0] 54.108.189.18.in-addr.arpa.: domain name does not exist
[60] 55.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-55.dyn.mit.edu
[60] 56.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-56.dyn.mit.edu
[60] 57.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-57.dyn.mit.edu
[60] 58.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-58.dyn.mit.edu
[0] 59.108.189.18.in-addr.arpa.: domain name does not exist
[60] 60.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-60.dyn.mit.edu
[0] 61.108.189.18.in-addr.arpa.: domain name does not exist
[60] 62.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-62.dyn.mit.edu
[60] 63.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-63.dyn.mit.edu
[0] 64.108.189.18.in-addr.arpa.: domain name does not exist
[60] 65.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-65.dyn.mit.edu
[60] 66.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-66.dyn.mit.edu
[60] 67.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-67.dyn.mit.edu
[0] 68.108.189.18.in-addr.arpa.: domain name does not exist
[60] 69.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-69.dyn.mit.edu
[60] 70.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-70.dyn.mit.edu
[60] 71.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-71.dyn.mit.edu
[60] 72.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-72.dyn.mit.edu
[60] 73.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-73.dyn.mit.edu
[60] 74.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-74.dyn.mit.edu
[60] 75.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-75.dyn.mit.edu
[0] 76.108.189.18.in-addr.arpa.: domain name does not exist
[60] 77.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-77.dyn.mit.edu
[0] 78.108.189.18.in-addr.arpa.: domain name does not exist
[0] 79.108.189.18.in-addr.arpa.: domain name does not exist
[60] 80.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-80.dyn.mit.edu
[60] 81.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-81.dyn.mit.edu
[0] 82.108.189.18.in-addr.arpa.: domain name does not exist
[60] 83.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-83.dyn.mit.edu
[60] 84.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-84.dyn.mit.edu
[0] 85.108.189.18.in-addr.arpa.: domain name does not exist
[60] 86.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-86.dyn.mit.edu
[60] 87.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-87.dyn.mit.edu
[60] 88.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-88.dyn.mit.edu
[60] 89.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-89.dyn.mit.edu
[0] 90.108.189.18.in-addr.arpa.: domain name does not exist
[60] 91.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-91.dyn.mit.edu
[0] 92.108.189.18.in-addr.arpa.: domain name does not exist
[0] 93.108.189.18.in-addr.arpa.: domain name does not exist
[60] 94.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-94.dyn.mit.edu
[0] 95.108.189.18.in-addr.arpa.: domain name does not exist
[60] 96.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-96.dyn.mit.edu
[0] 97.108.189.18.in-addr.arpa.: domain name does not exist
[60] 98.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-98.dyn.mit.edu
[60] 99.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-99.dyn.mit.edu
[60] 100.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-100.dyn.mit.edu
[60] 101.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-101.dyn.mit.edu
[0] 102.108.189.18.in-addr.arpa.: domain name does not exist
[60] 103.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-103.dyn.mit.edu
[60] 104.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-104.dyn.mit.edu
[60] 105.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-105.dyn.mit.edu
[60] 106.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-106.dyn.mit.edu
[0] 107.108.189.18.in-addr.arpa.: domain name does not exist
[60] 108.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-108.dyn.mit.edu
[60] 109.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-109.dyn.mit.edu
[60] 110.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-110.dyn.mit.edu
[60] 111.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-111.dyn.mit.edu
[0] 112.108.189.18.in-addr.arpa.: domain name does not exist
[0] 113.108.189.18.in-addr.arpa.: domain name does not exist
[60] 114.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-114.dyn.mit.edu
[60] 115.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-115.dyn.mit.edu
[60] 116.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-116.dyn.mit.edu
[0] 117.108.189.18.in-addr.arpa.: domain name does not exist
[60] 118.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-118.dyn.mit.edu
[60] 119.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-119.dyn.mit.edu
[60] 120.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-120.dyn.mit.edu
[0] 121.108.189.18.in-addr.arpa.: domain name does not exist
[60] 122.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-122.dyn.mit.edu
[60] 123.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-123.dyn.mit.edu
[60] 124.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-124.dyn.mit.edu
[60] 125.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-125.dyn.mit.edu
[60] 126.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-126.dyn.mit.edu
[60] 127.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-127.dyn.mit.edu
[60] 128.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-128.dyn.mit.edu
[0] 129.108.189.18.in-addr.arpa.: domain name does not exist
[0] 130.108.189.18.in-addr.arpa.: domain name does not exist
[0] 131.108.189.18.in-addr.arpa.: domain name does not exist
[0] 132.108.189.18.in-addr.arpa.: domain name does not exist
[0] 133.108.189.18.in-addr.arpa.: domain name does not exist
[0] 134.108.189.18.in-addr.arpa.: domain name does not exist
[0] 135.108.189.18.in-addr.arpa.: domain name does not exist
[60] 136.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-136.dyn.mit.edu
[60] 137.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-137.dyn.mit.edu
[60] 138.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-138.dyn.mit.edu
[0] 139.108.189.18.in-addr.arpa.: domain name does not exist
[0] 140.108.189.18.in-addr.arpa.: domain name does not exist
[60] 141.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-141.dyn.mit.edu
[60] 142.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-142.dyn.mit.edu
[60] 143.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-143.dyn.mit.edu
[0] 144.108.189.18.in-addr.arpa.: domain name does not exist
[60] 145.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-145.dyn.mit.edu
[60] 146.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-146.dyn.mit.edu
[60] 147.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-147.dyn.mit.edu
[0] 148.108.189.18.in-addr.arpa.: domain name does not exist
[60] 149.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-149.dyn.mit.edu
[0] 150.108.189.18.in-addr.arpa.: domain name does not exist
[60] 151.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-151.dyn.mit.edu
[0] 152.108.189.18.in-addr.arpa.: domain name does not exist
[0] 153.108.189.18.in-addr.arpa.: domain name does not exist
[60] 154.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-154.dyn.mit.edu
[60] 155.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-155.dyn.mit.edu
[60] 156.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-156.dyn.mit.edu
[0] 157.108.189.18.in-addr.arpa.: domain name does not exist
[60] 158.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-158.dyn.mit.edu
[60] 159.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-159.dyn.mit.edu
[0] 160.108.189.18.in-addr.arpa.: domain name does not exist
[60] 161.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-161.dyn.mit.edu
[60] 162.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-162.dyn.mit.edu
[60] 163.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-163.dyn.mit.edu
[60] 164.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-164.dyn.mit.edu
[0] 165.108.189.18.in-addr.arpa.: domain name does not exist
[60] 166.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-166.dyn.mit.edu
[0] 167.108.189.18.in-addr.arpa.: domain name does not exist
[60] 168.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-168.dyn.mit.edu
[0] 169.108.189.18.in-addr.arpa.: domain name does not exist
[0] 170.108.189.18.in-addr.arpa.: domain name does not exist
[60] 171.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-171.dyn.mit.edu
[0] 172.108.189.18.in-addr.arpa.: domain name does not exist
[60] 173.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-173.dyn.mit.edu
[60] 174.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-174.dyn.mit.edu
[0] 175.108.189.18.in-addr.arpa.: domain name does not exist
[60] 176.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-176.dyn.mit.edu
[60] 177.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-177.dyn.mit.edu
[60] 178.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-178.dyn.mit.edu
[60] 179.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-179.dyn.mit.edu
[60] 180.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-180.dyn.mit.edu
[0] 181.108.189.18.in-addr.arpa.: domain name does not exist
[60] 182.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-182.dyn.mit.edu
[0] 183.108.189.18.in-addr.arpa.: domain name does not exist
[60] 184.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-184.dyn.mit.edu
[0] 185.108.189.18.in-addr.arpa.: domain name does not exist
[60] 186.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-186.dyn.mit.edu
[0] 187.108.189.18.in-addr.arpa.: domain name does not exist
[0] 188.108.189.18.in-addr.arpa.: domain name does not exist
[0] 189.108.189.18.in-addr.arpa.: domain name does not exist
[60] 190.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-190.dyn.mit.edu
[0] 191.108.189.18.in-addr.arpa.: domain name does not exist
[60] 192.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-192.dyn.mit.edu
[0] 193.108.189.18.in-addr.arpa.: domain name does not exist
[60] 194.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-194.dyn.mit.edu
[60] 195.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-195.dyn.mit.edu
[60] 196.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-196.dyn.mit.edu
[60] 197.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-197.dyn.mit.edu
[0] 198.108.189.18.in-addr.arpa.: domain name does not exist
[0] 199.108.189.18.in-addr.arpa.: domain name does not exist
[0] 200.108.189.18.in-addr.arpa.: domain name does not exist
[0] 201.108.189.18.in-addr.arpa.: domain name does not exist
[60] 202.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-202.dyn.mit.edu
[0] 203.108.189.18.in-addr.arpa.: domain name does not exist
[60] 204.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-204.dyn.mit.edu
[60] 205.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-205.dyn.mit.edu
[60] 206.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-206.dyn.mit.edu
[60] 207.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-207.dyn.mit.edu
[60] 208.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-208.dyn.mit.edu
[0] 209.108.189.18.in-addr.arpa.: domain name does not exist
[0] 210.108.189.18.in-addr.arpa.: domain name does not exist
[60] 211.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-211.dyn.mit.edu
[60] 212.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-212.dyn.mit.edu
[0] 213.108.189.18.in-addr.arpa.: domain name does not exist
[60] 214.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-214.dyn.mit.edu
[60] 215.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-215.dyn.mit.edu
[60] 216.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-216.dyn.mit.edu
[0] 217.108.189.18.in-addr.arpa.: domain name does not exist
[60] 218.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-218.dyn.mit.edu
[0] 219.108.189.18.in-addr.arpa.: domain name does not exist
[0] 220.108.189.18.in-addr.arpa.: domain name does not exist
[60] 221.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-221.dyn.mit.edu
[60] 222.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-222.dyn.mit.edu
[0] 223.108.189.18.in-addr.arpa.: domain name does not exist
[60] 224.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-224.dyn.mit.edu
[0] 225.108.189.18.in-addr.arpa.: domain name does not exist
[60] 226.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-226.dyn.mit.edu
[0] 227.108.189.18.in-addr.arpa.: domain name does not exist
[0] 228.108.189.18.in-addr.arpa.: domain name does not exist
[0] 229.108.189.18.in-addr.arpa.: domain name does not exist
[0] 230.108.189.18.in-addr.arpa.: domain name does not exist
[60] 231.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-231.dyn.mit.edu
[0] 232.108.189.18.in-addr.arpa.: domain name does not exist
[60] 233.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-233.dyn.mit.edu
[0] 234.108.189.18.in-addr.arpa.: domain name does not exist
[60] 235.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-235.dyn.mit.edu
[60] 236.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-236.dyn.mit.edu
[0] 237.108.189.18.in-addr.arpa.: domain name does not exist
[60] 238.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-238.dyn.mit.edu
[0] 239.108.189.18.in-addr.arpa.: domain name does not exist
[0] 240.108.189.18.in-addr.arpa.: domain name does not exist
[0] 241.108.189.18.in-addr.arpa.: domain name does not exist
[0] 242.108.189.18.in-addr.arpa.: domain name does not exist
[0] 243.108.189.18.in-addr.arpa.: domain name does not exist
[60] 244.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-244.dyn.mit.edu
[0] 245.108.189.18.in-addr.arpa.: domain name does not exist
[60] 246.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-246.dyn.mit.edu
[60] 247.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-247.dyn.mit.edu
[0] 248.108.189.18.in-addr.arpa.: domain name does not exist
[60] 249.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-249.dyn.mit.edu
[60] 250.108.189.18.in-addr.arpa. domain name pointer dhcp-18-189-108-250.dyn.mit.edu
[0] 251.108.189.18.in-addr.arpa.: domain name does not exist
[0] 252.108.189.18.in-addr.arpa.: domain name does not exist
[0] 253.108.189.18.in-addr.arpa.: domain name does not exist
[0] 254.108.189.18.in-addr.arpa.: domain name does not exist
[0] 255.108.189.18.in-addr.arpa.: domain name does not exist