[0] 0.49.189.18.in-addr.arpa.: domain name does not exist
[0] 1.49.189.18.in-addr.arpa.: domain name does not exist
[0] 2.49.189.18.in-addr.arpa.: domain name does not exist
[0] 3.49.189.18.in-addr.arpa.: domain name does not exist
[0] 4.49.189.18.in-addr.arpa.: domain name does not exist
[60] 5.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-5.dyn.mit.edu
[60] 6.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-6.dyn.mit.edu
[0] 7.49.189.18.in-addr.arpa.: domain name does not exist
[60] 8.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-8.dyn.mit.edu
[60] 9.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-9.dyn.mit.edu
[0] 10.49.189.18.in-addr.arpa.: domain name does not exist
[0] 11.49.189.18.in-addr.arpa.: domain name does not exist
[60] 12.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-12.dyn.mit.edu
[0] 13.49.189.18.in-addr.arpa.: domain name does not exist
[60] 14.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-14.dyn.mit.edu
[0] 15.49.189.18.in-addr.arpa.: domain name does not exist
[60] 16.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-16.dyn.mit.edu
[0] 17.49.189.18.in-addr.arpa.: domain name does not exist
[0] 18.49.189.18.in-addr.arpa.: domain name does not exist
[60] 19.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-19.dyn.mit.edu
[60] 20.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-20.dyn.mit.edu
[0] 21.49.189.18.in-addr.arpa.: domain name does not exist
[60] 22.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-22.dyn.mit.edu
[0] 23.49.189.18.in-addr.arpa.: domain name does not exist
[0] 24.49.189.18.in-addr.arpa.: domain name does not exist
[60] 25.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-25.dyn.mit.edu
[60] 26.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-26.dyn.mit.edu
[60] 27.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-27.dyn.mit.edu
[60] 28.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-28.dyn.mit.edu
[0] 29.49.189.18.in-addr.arpa.: domain name does not exist
[60] 30.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-30.dyn.mit.edu
[0] 31.49.189.18.in-addr.arpa.: domain name does not exist
[60] 32.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-32.dyn.mit.edu
[0] 33.49.189.18.in-addr.arpa.: domain name does not exist
[60] 34.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-34.dyn.mit.edu
[0] 35.49.189.18.in-addr.arpa.: domain name does not exist
[0] 36.49.189.18.in-addr.arpa.: domain name does not exist
[60] 37.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-37.dyn.mit.edu
[0] 38.49.189.18.in-addr.arpa.: domain name does not exist
[0] 39.49.189.18.in-addr.arpa.: domain name does not exist
[60] 40.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-40.dyn.mit.edu
[0] 41.49.189.18.in-addr.arpa.: domain name does not exist
[0] 42.49.189.18.in-addr.arpa.: domain name does not exist
[0] 43.49.189.18.in-addr.arpa.: domain name does not exist
[0] 44.49.189.18.in-addr.arpa.: domain name does not exist
[0] 45.49.189.18.in-addr.arpa.: domain name does not exist
[60] 46.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-46.dyn.mit.edu
[0] 47.49.189.18.in-addr.arpa.: domain name does not exist
[0] 48.49.189.18.in-addr.arpa.: domain name does not exist
[60] 49.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-49.dyn.mit.edu
[0] 50.49.189.18.in-addr.arpa.: domain name does not exist
[0] 51.49.189.18.in-addr.arpa.: domain name does not exist
[60] 52.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-52.dyn.mit.edu
[60] 53.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-53.dyn.mit.edu
[60] 54.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-54.dyn.mit.edu
[60] 55.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-55.dyn.mit.edu
[60] 56.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-56.dyn.mit.edu
[0] 57.49.189.18.in-addr.arpa.: domain name does not exist
[0] 58.49.189.18.in-addr.arpa.: domain name does not exist
[60] 59.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-59.dyn.mit.edu
[0] 60.49.189.18.in-addr.arpa.: domain name does not exist
[0] 61.49.189.18.in-addr.arpa.: domain name does not exist
[0] 62.49.189.18.in-addr.arpa.: domain name does not exist
[60] 63.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-63.dyn.mit.edu
[60] 64.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-64.dyn.mit.edu
[60] 65.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-65.dyn.mit.edu
[60] 66.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-66.dyn.mit.edu
[60] 67.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-67.dyn.mit.edu
[0] 68.49.189.18.in-addr.arpa.: domain name does not exist
[60] 69.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-69.dyn.mit.edu
[0] 70.49.189.18.in-addr.arpa.: domain name does not exist
[60] 71.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-71.dyn.mit.edu
[60] 72.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-72.dyn.mit.edu
[60] 73.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-73.dyn.mit.edu
[60] 74.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-74.dyn.mit.edu
[0] 75.49.189.18.in-addr.arpa.: domain name does not exist
[60] 76.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-76.dyn.mit.edu
[60] 77.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-77.dyn.mit.edu
[60] 78.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-78.dyn.mit.edu
[60] 79.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-79.dyn.mit.edu
[60] 80.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-80.dyn.mit.edu
[0] 81.49.189.18.in-addr.arpa.: domain name does not exist
[60] 82.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-82.dyn.mit.edu
[0] 83.49.189.18.in-addr.arpa.: domain name does not exist
[60] 84.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-84.dyn.mit.edu
[0] 85.49.189.18.in-addr.arpa.: domain name does not exist
[60] 86.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-86.dyn.mit.edu
[60] 87.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-87.dyn.mit.edu
[0] 88.49.189.18.in-addr.arpa.: domain name does not exist
[0] 89.49.189.18.in-addr.arpa.: domain name does not exist
[60] 90.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-90.dyn.mit.edu
[0] 91.49.189.18.in-addr.arpa.: domain name does not exist
[0] 92.49.189.18.in-addr.arpa.: domain name does not exist
[60] 93.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-93.dyn.mit.edu
[0] 94.49.189.18.in-addr.arpa.: domain name does not exist
[60] 95.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-95.dyn.mit.edu
[0] 96.49.189.18.in-addr.arpa.: domain name does not exist
[0] 97.49.189.18.in-addr.arpa.: domain name does not exist
[0] 98.49.189.18.in-addr.arpa.: domain name does not exist
[60] 99.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-99.dyn.mit.edu
[60] 100.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-100.dyn.mit.edu
[0] 101.49.189.18.in-addr.arpa.: domain name does not exist
[60] 102.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-102.dyn.mit.edu
[60] 103.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-103.dyn.mit.edu
[60] 104.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-104.dyn.mit.edu
[0] 105.49.189.18.in-addr.arpa.: domain name does not exist
[0] 106.49.189.18.in-addr.arpa.: domain name does not exist
[0] 107.49.189.18.in-addr.arpa.: domain name does not exist
[60] 108.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-108.dyn.mit.edu
[60] 109.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-109.dyn.mit.edu
[60] 110.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-110.dyn.mit.edu
[0] 111.49.189.18.in-addr.arpa.: domain name does not exist
[0] 112.49.189.18.in-addr.arpa.: domain name does not exist
[0] 113.49.189.18.in-addr.arpa.: domain name does not exist
[0] 114.49.189.18.in-addr.arpa.: domain name does not exist
[0] 115.49.189.18.in-addr.arpa.: domain name does not exist
[60] 116.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-116.dyn.mit.edu
[0] 117.49.189.18.in-addr.arpa.: domain name does not exist
[60] 118.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-118.dyn.mit.edu
[0] 119.49.189.18.in-addr.arpa.: domain name does not exist
[60] 120.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-120.dyn.mit.edu
[60] 121.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-121.dyn.mit.edu
[60] 122.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-122.dyn.mit.edu
[60] 123.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-123.dyn.mit.edu
[60] 124.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-124.dyn.mit.edu
[60] 125.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-125.dyn.mit.edu
[60] 126.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-126.dyn.mit.edu
[60] 127.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-127.dyn.mit.edu
[0] 128.49.189.18.in-addr.arpa.: domain name does not exist
[60] 129.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-129.dyn.mit.edu
[60] 130.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-130.dyn.mit.edu
[60] 131.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-131.dyn.mit.edu
[60] 132.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-132.dyn.mit.edu
[0] 133.49.189.18.in-addr.arpa.: domain name does not exist
[0] 134.49.189.18.in-addr.arpa.: domain name does not exist
[60] 135.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-135.dyn.mit.edu
[0] 136.49.189.18.in-addr.arpa.: domain name does not exist
[60] 137.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-137.dyn.mit.edu
[60] 138.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-138.dyn.mit.edu
[0] 139.49.189.18.in-addr.arpa.: domain name does not exist
[60] 140.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-140.dyn.mit.edu
[0] 141.49.189.18.in-addr.arpa.: domain name does not exist
[60] 142.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-142.dyn.mit.edu
[60] 143.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-143.dyn.mit.edu
[60] 144.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-144.dyn.mit.edu
[0] 145.49.189.18.in-addr.arpa.: domain name does not exist
[60] 146.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-146.dyn.mit.edu
[60] 147.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-147.dyn.mit.edu
[60] 148.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-148.dyn.mit.edu
[0] 149.49.189.18.in-addr.arpa.: domain name does not exist
[60] 150.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-150.dyn.mit.edu
[0] 151.49.189.18.in-addr.arpa.: domain name does not exist
[60] 152.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-152.dyn.mit.edu
[60] 153.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-153.dyn.mit.edu
[60] 154.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-154.dyn.mit.edu
[60] 155.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-155.dyn.mit.edu
[0] 156.49.189.18.in-addr.arpa.: domain name does not exist
[60] 157.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-157.dyn.mit.edu
[60] 158.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-158.dyn.mit.edu
[60] 159.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-159.dyn.mit.edu
[60] 160.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-160.dyn.mit.edu
[0] 161.49.189.18.in-addr.arpa.: domain name does not exist
[60] 162.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-162.dyn.mit.edu
[60] 163.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-163.dyn.mit.edu
[60] 164.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-164.dyn.mit.edu
[60] 165.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-165.dyn.mit.edu
[60] 166.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-166.dyn.mit.edu
[60] 167.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-167.dyn.mit.edu
[0] 168.49.189.18.in-addr.arpa.: domain name does not exist
[60] 169.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-169.dyn.mit.edu
[60] 170.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-170.dyn.mit.edu
[0] 171.49.189.18.in-addr.arpa.: domain name does not exist
[0] 172.49.189.18.in-addr.arpa.: domain name does not exist
[60] 173.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-173.dyn.mit.edu
[60] 174.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-174.dyn.mit.edu
[60] 175.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-175.dyn.mit.edu
[60] 176.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-176.dyn.mit.edu
[60] 177.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-177.dyn.mit.edu
[60] 178.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-178.dyn.mit.edu
[60] 179.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-179.dyn.mit.edu
[60] 180.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-180.dyn.mit.edu
[0] 181.49.189.18.in-addr.arpa.: domain name does not exist
[60] 182.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-182.dyn.mit.edu
[0] 183.49.189.18.in-addr.arpa.: domain name does not exist
[60] 184.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-184.dyn.mit.edu
[60] 185.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-185.dyn.mit.edu
[60] 186.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-186.dyn.mit.edu
[0] 187.49.189.18.in-addr.arpa.: domain name does not exist
[60] 188.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-188.dyn.mit.edu
[60] 189.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-189.dyn.mit.edu
[60] 190.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-190.dyn.mit.edu
[60] 191.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-191.dyn.mit.edu
[60] 192.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-192.dyn.mit.edu
[60] 193.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-193.dyn.mit.edu
[60] 194.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-194.dyn.mit.edu
[60] 195.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-195.dyn.mit.edu
[0] 196.49.189.18.in-addr.arpa.: domain name does not exist
[0] 197.49.189.18.in-addr.arpa.: domain name does not exist
[60] 198.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-198.dyn.mit.edu
[60] 199.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-199.dyn.mit.edu
[0] 200.49.189.18.in-addr.arpa.: domain name does not exist
[0] 201.49.189.18.in-addr.arpa.: domain name does not exist
[0] 202.49.189.18.in-addr.arpa.: domain name does not exist
[0] 203.49.189.18.in-addr.arpa.: domain name does not exist
[60] 204.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-204.dyn.mit.edu
[0] 205.49.189.18.in-addr.arpa.: domain name does not exist
[0] 206.49.189.18.in-addr.arpa.: domain name does not exist
[0] 207.49.189.18.in-addr.arpa.: domain name does not exist
[60] 208.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-208.dyn.mit.edu
[60] 209.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-209.dyn.mit.edu
[60] 210.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-210.dyn.mit.edu
[0] 211.49.189.18.in-addr.arpa.: domain name does not exist
[60] 212.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-212.dyn.mit.edu
[60] 213.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-213.dyn.mit.edu
[0] 214.49.189.18.in-addr.arpa.: domain name does not exist
[0] 215.49.189.18.in-addr.arpa.: domain name does not exist
[0] 216.49.189.18.in-addr.arpa.: domain name does not exist
[60] 217.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-217.dyn.mit.edu
[60] 218.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-218.dyn.mit.edu
[60] 219.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-219.dyn.mit.edu
[60] 220.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-220.dyn.mit.edu
[0] 221.49.189.18.in-addr.arpa.: domain name does not exist
[0] 222.49.189.18.in-addr.arpa.: domain name does not exist
[0] 223.49.189.18.in-addr.arpa.: domain name does not exist
[0] 224.49.189.18.in-addr.arpa.: domain name does not exist
[0] 225.49.189.18.in-addr.arpa.: domain name does not exist
[0] 226.49.189.18.in-addr.arpa.: domain name does not exist
[0] 227.49.189.18.in-addr.arpa.: domain name does not exist
[60] 228.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-228.dyn.mit.edu
[60] 229.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-229.dyn.mit.edu
[0] 230.49.189.18.in-addr.arpa.: domain name does not exist
[0] 231.49.189.18.in-addr.arpa.: domain name does not exist
[60] 232.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-232.dyn.mit.edu
[0] 233.49.189.18.in-addr.arpa.: domain name does not exist
[0] 234.49.189.18.in-addr.arpa.: domain name does not exist
[60] 235.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-235.dyn.mit.edu
[60] 236.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-236.dyn.mit.edu
[0] 237.49.189.18.in-addr.arpa.: domain name does not exist
[60] 238.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-238.dyn.mit.edu
[60] 239.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-239.dyn.mit.edu
[60] 240.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-240.dyn.mit.edu
[60] 241.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-241.dyn.mit.edu
[0] 242.49.189.18.in-addr.arpa.: domain name does not exist
[0] 243.49.189.18.in-addr.arpa.: domain name does not exist
[60] 244.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-244.dyn.mit.edu
[0] 245.49.189.18.in-addr.arpa.: domain name does not exist
[0] 246.49.189.18.in-addr.arpa.: domain name does not exist
[0] 247.49.189.18.in-addr.arpa.: domain name does not exist
[0] 248.49.189.18.in-addr.arpa.: domain name does not exist
[60] 249.49.189.18.in-addr.arpa. domain name pointer dhcp-18-189-49-249.dyn.mit.edu
[0] 250.49.189.18.in-addr.arpa.: domain name does not exist
[0] 251.49.189.18.in-addr.arpa.: domain name does not exist
[0] 252.49.189.18.in-addr.arpa.: domain name does not exist
[0] 253.49.189.18.in-addr.arpa.: domain name does not exist
[0] 254.49.189.18.in-addr.arpa.: domain name does not exist
[0] 255.49.189.18.in-addr.arpa.: domain name does not exist