2.189.83.192.in-addr.arpa domain name pointer cc.ntntc.edu.tw. 7.189.83.192.in-addr.arpa domain name pointer pc192-83-189-7.ntntc.edu.tw. 8.189.83.192.in-addr.arpa domain name pointer pc192-83-189-8.ntntc.edu.tw. 9.189.83.192.in-addr.arpa domain name pointer ipx.ntntc.edu.tw. 10.189.83.192.in-addr.arpa domain name pointer pc192-83-189-10.ntntc.edu.tw. 11.189.83.192.in-addr.arpa domain name pointer ftp.ntntc.edu.tw. 12.189.83.192.in-addr.arpa domain name pointer pc192-83-189-12.ntntc.edu.tw. 13.189.83.192.in-addr.arpa domain name pointer bbs.ntntc.edu.tw. 14.189.83.192.in-addr.arpa domain name pointer pc192-83-189-14.ntntc.edu.tw. 15.189.83.192.in-addr.arpa domain name pointer sheep.ntntc.edu.tw. 16.189.83.192.in-addr.arpa domain name pointer monkey.ntntc.edu.tw. 17.189.83.192.in-addr.arpa domain name pointer tiger.ntntc.edu.tw. 18.189.83.192.in-addr.arpa domain name pointer pc192-83-189-18.ntntc.edu.tw. 19.189.83.192.in-addr.arpa domain name pointer rabbit.ntntc.edu.tw. 20.189.83.192.in-addr.arpa domain name pointer pig.ntntc.edu.tw. 21.189.83.192.in-addr.arpa domain name pointer kathy.ntntc.edu.tw. 22.189.83.192.in-addr.arpa domain name pointer pc192-83-189-22.ntntc.edu.tw. 24.189.83.192.in-addr.arpa domain name pointer pc192-83-189-24.ntntc.edu.tw. 25.189.83.192.in-addr.arpa domain name pointer pc192-83-189-25.ntntc.edu.tw. 26.189.83.192.in-addr.arpa domain name pointer pc192-83-189-26.ntntc.edu.tw. 27.189.83.192.in-addr.arpa domain name pointer pc192-83-189-27.ntntc.edu.tw. 28.189.83.192.in-addr.arpa domain name pointer pc192-83-189-28.ntntc.edu.tw. 29.189.83.192.in-addr.arpa domain name pointer connie.ntntc.edu.tw. 30.189.83.192.in-addr.arpa domain name pointer pc192-83-189-30.ntntc.edu.tw. 31.189.83.192.in-addr.arpa domain name pointer pc192-83-189-31.ntntc.edu.tw. 32.189.83.192.in-addr.arpa domain name pointer pc192-83-189-32.ntntc.edu.tw. 33.189.83.192.in-addr.arpa domain name pointer pc192-83-189-33.ntntc.edu.tw. 34.189.83.192.in-addr.arpa domain name pointer pc192-83-189-34.ntntc.edu.tw. 35.189.83.192.in-addr.arpa domain name pointer pc192-83-189-35.ntntc.edu.tw. 36.189.83.192.in-addr.arpa domain name pointer pc192-83-189-36.ntntc.edu.tw. 37.189.83.192.in-addr.arpa domain name pointer pc192-83-189-37.ntntc.edu.tw. 38.189.83.192.in-addr.arpa domain name pointer pc192-83-189-38.ntntc.edu.tw. 39.189.83.192.in-addr.arpa domain name pointer pc192-83-189-39.ntntc.edu.tw. 40.189.83.192.in-addr.arpa domain name pointer pc192-83-189-40.ntntc.edu.tw. 41.189.83.192.in-addr.arpa domain name pointer pc192-83-189-41.ntntc.edu.tw. 42.189.83.192.in-addr.arpa domain name pointer pc192-83-189-42.ntntc.edu.tw. 43.189.83.192.in-addr.arpa domain name pointer pc192-83-189-43.ntntc.edu.tw. 44.189.83.192.in-addr.arpa domain name pointer pc192-83-189-44.ntntc.edu.tw. 45.189.83.192.in-addr.arpa domain name pointer pc192-83-189-45.ntntc.edu.tw. 46.189.83.192.in-addr.arpa domain name pointer pc192-83-189-46.ntntc.edu.tw. 47.189.83.192.in-addr.arpa domain name pointer pc192-83-189-47.ntntc.edu.tw. 48.189.83.192.in-addr.arpa domain name pointer pc192-83-189-48.ntntc.edu.tw. 49.189.83.192.in-addr.arpa domain name pointer pc192-83-189-49.ntntc.edu.tw. 50.189.83.192.in-addr.arpa domain name pointer pc192-83-189-50.ntntc.edu.tw. 51.189.83.192.in-addr.arpa domain name pointer pc192-83-189-51.ntntc.edu.tw. 52.189.83.192.in-addr.arpa domain name pointer pc192-83-189-52.ntntc.edu.tw. 53.189.83.192.in-addr.arpa domain name pointer pc192-83-189-53.ntntc.edu.tw. 54.189.83.192.in-addr.arpa domain name pointer pc192-83-189-54.ntntc.edu.tw. 55.189.83.192.in-addr.arpa domain name pointer pc192-83-189-55.ntntc.edu.tw. 56.189.83.192.in-addr.arpa domain name pointer pc192-83-189-56.ntntc.edu.tw. 57.189.83.192.in-addr.arpa domain name pointer pc192-83-189-57.ntntc.edu.tw. 58.189.83.192.in-addr.arpa domain name pointer pc192-83-189-58.ntntc.edu.tw. 59.189.83.192.in-addr.arpa domain name pointer pc192-83-189-59.ntntc.edu.tw. 60.189.83.192.in-addr.arpa domain name pointer pc192-83-189-60.ntntc.edu.tw. 61.189.83.192.in-addr.arpa domain name pointer pc192-83-189-61.ntntc.edu.tw. 62.189.83.192.in-addr.arpa domain name pointer pc192-83-189-62.ntntc.edu.tw. 63.189.83.192.in-addr.arpa domain name pointer pc192-83-189-63.ntntc.edu.tw. 64.189.83.192.in-addr.arpa domain name pointer pc192-83-189-64.ntntc.edu.tw. 65.189.83.192.in-addr.arpa domain name pointer pc192-83-189-65.ntntc.edu.tw. 66.189.83.192.in-addr.arpa domain name pointer dragon.ntntc.edu.tw. 67.189.83.192.in-addr.arpa domain name pointer pc192-83-189-67.ntntc.edu.tw. 68.189.83.192.in-addr.arpa domain name pointer pc192-83-189-68.ntntc.edu.tw. 69.189.83.192.in-addr.arpa domain name pointer pc192-83-189-69.ntntc.edu.tw. 70.189.83.192.in-addr.arpa domain name pointer pc192-83-189-70.ntntc.edu.tw. 71.189.83.192.in-addr.arpa domain name pointer pc192-83-189-71.ntntc.edu.tw. 72.189.83.192.in-addr.arpa domain name pointer pc192-83-189-72.ntntc.edu.tw. 73.189.83.192.in-addr.arpa domain name pointer pc192-83-189-73.ntntc.edu.tw. 74.189.83.192.in-addr.arpa domain name pointer pc192-83-189-74.ntntc.edu.tw. 75.189.83.192.in-addr.arpa domain name pointer pc192-83-189-75.ntntc.edu.tw. 76.189.83.192.in-addr.arpa domain name pointer pc192-83-189-76.ntntc.edu.tw. 77.189.83.192.in-addr.arpa domain name pointer pc192-83-189-77.ntntc.edu.tw. 78.189.83.192.in-addr.arpa domain name pointer pc192-83-189-78.ntntc.edu.tw. 79.189.83.192.in-addr.arpa domain name pointer pc192-83-189-79.ntntc.edu.tw. 80.189.83.192.in-addr.arpa domain name pointer pc192-83-189-80.ntntc.edu.tw. 81.189.83.192.in-addr.arpa domain name pointer pc192-83-189-81.ntntc.edu.tw. 82.189.83.192.in-addr.arpa domain name pointer pc192-83-189-82.ntntc.edu.tw. 83.189.83.192.in-addr.arpa domain name pointer pc192-83-189-83.ntntc.edu.tw. 84.189.83.192.in-addr.arpa domain name pointer pc192-83-189-84.ntntc.edu.tw. 85.189.83.192.in-addr.arpa domain name pointer pc192-83-189-85.ntntc.edu.tw. 86.189.83.192.in-addr.arpa domain name pointer pc192-83-189-86.ntntc.edu.tw. 87.189.83.192.in-addr.arpa domain name pointer pc192-83-189-87.ntntc.edu.tw. 88.189.83.192.in-addr.arpa domain name pointer pc192-83-189-88.ntntc.edu.tw. 89.189.83.192.in-addr.arpa domain name pointer pc192-83-189-89.ntntc.edu.tw. 90.189.83.192.in-addr.arpa domain name pointer pc192-83-189-90.ntntc.edu.tw. 91.189.83.192.in-addr.arpa domain name pointer pc192-83-189-91.ntntc.edu.tw. 92.189.83.192.in-addr.arpa domain name pointer pc192-83-189-92.ntntc.edu.tw. 93.189.83.192.in-addr.arpa domain name pointer pc192-83-189-93.ntntc.edu.tw. 94.189.83.192.in-addr.arpa domain name pointer pc192-83-189-94.ntntc.edu.tw. 95.189.83.192.in-addr.arpa domain name pointer pc192-83-189-95.ntntc.edu.tw. 96.189.83.192.in-addr.arpa domain name pointer pc192-83-189-96.ntntc.edu.tw. 97.189.83.192.in-addr.arpa domain name pointer pc192-83-189-97.ntntc.edu.tw. 98.189.83.192.in-addr.arpa domain name pointer pc192-83-189-98.ntntc.edu.tw. 99.189.83.192.in-addr.arpa domain name pointer pc192-83-189-99.ntntc.edu.tw. 100.189.83.192.in-addr.arpa domain name pointer pc192-83-189-100.ntntc.edu.tw. 101.189.83.192.in-addr.arpa domain name pointer pc192-83-189-101.ntntc.edu.tw. 102.189.83.192.in-addr.arpa domain name pointer pc192-83-189-102.ntntc.edu.tw. 103.189.83.192.in-addr.arpa domain name pointer pc192-83-189-103.ntntc.edu.tw. 104.189.83.192.in-addr.arpa domain name pointer pc192-83-189-104.ntntc.edu.tw. 105.189.83.192.in-addr.arpa domain name pointer pc192-83-189-105.ntntc.edu.tw. 106.189.83.192.in-addr.arpa domain name pointer pc192-83-189-106.ntntc.edu.tw. 107.189.83.192.in-addr.arpa domain name pointer pc192-83-189-107.ntntc.edu.tw. 108.189.83.192.in-addr.arpa domain name pointer pc192-83-189-108.ntntc.edu.tw. 109.189.83.192.in-addr.arpa domain name pointer pc192-83-189-109.ntntc.edu.tw. 110.189.83.192.in-addr.arpa domain name pointer pc192-83-189-110.ntntc.edu.tw. 111.189.83.192.in-addr.arpa domain name pointer pc192-83-189-111.ntntc.edu.tw. 112.189.83.192.in-addr.arpa domain name pointer pc192-83-189-112.ntntc.edu.tw. 113.189.83.192.in-addr.arpa domain name pointer pc192-83-189-113.ntntc.edu.tw. 114.189.83.192.in-addr.arpa domain name pointer pc192-83-189-114.ntntc.edu.tw. 115.189.83.192.in-addr.arpa domain name pointer pc192-83-189-115.ntntc.edu.tw. 116.189.83.192.in-addr.arpa domain name pointer pc192-83-189-116.ntntc.edu.tw. 117.189.83.192.in-addr.arpa domain name pointer pc192-83-189-117.ntntc.edu.tw. 118.189.83.192.in-addr.arpa domain name pointer pc192-83-189-118.ntntc.edu.tw. 119.189.83.192.in-addr.arpa domain name pointer pc192-83-189-119.ntntc.edu.tw. 120.189.83.192.in-addr.arpa domain name pointer pc192-83-189-120.ntntc.edu.tw. 121.189.83.192.in-addr.arpa domain name pointer pc192-83-189-121.ntntc.edu.tw. 122.189.83.192.in-addr.arpa domain name pointer pc192-83-189-122.ntntc.edu.tw. 123.189.83.192.in-addr.arpa domain name pointer pc192-83-189-123.ntntc.edu.tw. 124.189.83.192.in-addr.arpa domain name pointer pc192-83-189-124.ntntc.edu.tw. 125.189.83.192.in-addr.arpa domain name pointer pc192-83-189-125.ntntc.edu.tw. 126.189.83.192.in-addr.arpa domain name pointer pc192-83-189-126.ntntc.edu.tw. 127.189.83.192.in-addr.arpa domain name pointer pc192-83-189-127.ntntc.edu.tw. 128.189.83.192.in-addr.arpa domain name pointer pc192-83-189-128.ntntc.edu.tw. 129.189.83.192.in-addr.arpa domain name pointer cc129.ntntc.edu.tw. 130.189.83.192.in-addr.arpa domain name pointer cc130.ntntc.edu.tw. 131.189.83.192.in-addr.arpa domain name pointer hp8150.ntntc.edu.tw. 132.189.83.192.in-addr.arpa domain name pointer hp4100.ntntc.edu.tw. 133.189.83.192.in-addr.arpa domain name pointer math133.ntntc.edu.tw. 134.189.83.192.in-addr.arpa domain name pointer math134.ntntc.edu.tw. 135.189.83.192.in-addr.arpa domain name pointer math135.ntntc.edu.tw. 136.189.83.192.in-addr.arpa domain name pointer math136.ntntc.edu.tw. 137.189.83.192.in-addr.arpa domain name pointer math137.ntntc.edu.tw. 138.189.83.192.in-addr.arpa domain name pointer math138.ntntc.edu.tw. 139.189.83.192.in-addr.arpa domain name pointer math139.ntntc.edu.tw. 140.189.83.192.in-addr.arpa domain name pointer math140.ntntc.edu.tw. 141.189.83.192.in-addr.arpa domain name pointer math141.ntntc.edu.tw. 142.189.83.192.in-addr.arpa domain name pointer math142.ntntc.edu.tw. 143.189.83.192.in-addr.arpa domain name pointer math143.ntntc.edu.tw. 144.189.83.192.in-addr.arpa domain name pointer math144.ntntc.edu.tw. 145.189.83.192.in-addr.arpa domain name pointer mcs.ntntc.edu.tw. 146.189.83.192.in-addr.arpa domain name pointer math146.ntntc.edu.tw. 147.189.83.192.in-addr.arpa domain name pointer math147.ntntc.edu.tw. 148.189.83.192.in-addr.arpa domain name pointer math148.ntntc.edu.tw. 149.189.83.192.in-addr.arpa domain name pointer math149.ntntc.edu.tw. 150.189.83.192.in-addr.arpa domain name pointer math150.ntntc.edu.tw. 151.189.83.192.in-addr.arpa domain name pointer math151.ntntc.edu.tw. 152.189.83.192.in-addr.arpa domain name pointer math152.ntntc.edu.tw. 153.189.83.192.in-addr.arpa domain name pointer math153.ntntc.edu.tw. 154.189.83.192.in-addr.arpa domain name pointer math154.ntntc.edu.tw. 155.189.83.192.in-addr.arpa domain name pointer math155.ntntc.edu.tw. 156.189.83.192.in-addr.arpa domain name pointer math156.ntntc.edu.tw. 157.189.83.192.in-addr.arpa domain name pointer math157.ntntc.edu.tw. 158.189.83.192.in-addr.arpa domain name pointer math158.ntntc.edu.tw. 159.189.83.192.in-addr.arpa domain name pointer math159.ntntc.edu.tw. 160.189.83.192.in-addr.arpa domain name pointer math160.ntntc.edu.tw. 161.189.83.192.in-addr.arpa domain name pointer math161.ntntc.edu.tw. 162.189.83.192.in-addr.arpa domain name pointer math162.ntntc.edu.tw. 163.189.83.192.in-addr.arpa domain name pointer math163.ntntc.edu.tw. 164.189.83.192.in-addr.arpa domain name pointer math164.ntntc.edu.tw. 165.189.83.192.in-addr.arpa domain name pointer math165.ntntc.edu.tw. 166.189.83.192.in-addr.arpa domain name pointer math166.ntntc.edu.tw. 167.189.83.192.in-addr.arpa domain name pointer math167.ntntc.edu.tw. 168.189.83.192.in-addr.arpa domain name pointer math168.ntntc.edu.tw. 169.189.83.192.in-addr.arpa domain name pointer math169.ntntc.edu.tw. 170.189.83.192.in-addr.arpa domain name pointer math170.ntntc.edu.tw. 171.189.83.192.in-addr.arpa domain name pointer math171.ntntc.edu.tw. 172.189.83.192.in-addr.arpa domain name pointer math172.ntntc.edu.tw. 173.189.83.192.in-addr.arpa domain name pointer math173.ntntc.edu.tw. 174.189.83.192.in-addr.arpa domain name pointer math174.ntntc.edu.tw. 175.189.83.192.in-addr.arpa domain name pointer math175.ntntc.edu.tw. 176.189.83.192.in-addr.arpa domain name pointer math176.ntntc.edu.tw. 177.189.83.192.in-addr.arpa domain name pointer math177.ntntc.edu.tw. 178.189.83.192.in-addr.arpa domain name pointer ice.ntntc.edu.tw. 179.189.83.192.in-addr.arpa domain name pointer math179.ntntc.edu.tw. 180.189.83.192.in-addr.arpa domain name pointer math180.ntntc.edu.tw. 181.189.83.192.in-addr.arpa domain name pointer ashkenazy.ntntc.edu.tw. 182.189.83.192.in-addr.arpa domain name pointer pc192-83-189-182.ntntc.edu.tw. 183.189.83.192.in-addr.arpa domain name pointer pc192-83-189-183.ntntc.edu.tw. 184.189.83.192.in-addr.arpa domain name pointer pc192-83-189-184.ntntc.edu.tw. 185.189.83.192.in-addr.arpa domain name pointer pc192-83-189-185.ntntc.edu.tw. 186.189.83.192.in-addr.arpa domain name pointer pc192-83-189-186.ntntc.edu.tw. 187.189.83.192.in-addr.arpa domain name pointer pc192-83-189-187.ntntc.edu.tw. 188.189.83.192.in-addr.arpa domain name pointer pc192-83-189-188.ntntc.edu.tw. 189.189.83.192.in-addr.arpa domain name pointer pc192-83-189-189.ntntc.edu.tw. 190.189.83.192.in-addr.arpa domain name pointer pc192-83-189-190.ntntc.edu.tw. 191.189.83.192.in-addr.arpa domain name pointer pc192-83-189-191.ntntc.edu.tw. 192.189.83.192.in-addr.arpa domain name pointer pc192-83-189-192.ntntc.edu.tw. 193.189.83.192.in-addr.arpa domain name pointer pc192-83-189-193.ntntc.edu.tw. 194.189.83.192.in-addr.arpa domain name pointer pc192-83-189-194.ntntc.edu.tw. 195.189.83.192.in-addr.arpa domain name pointer pc192-83-189-195.ntntc.edu.tw. 196.189.83.192.in-addr.arpa domain name pointer pc192-83-189-196.ntntc.edu.tw. 197.189.83.192.in-addr.arpa domain name pointer pc192-83-189-197.ntntc.edu.tw. 198.189.83.192.in-addr.arpa domain name pointer pc192-83-189-198.ntntc.edu.tw. 199.189.83.192.in-addr.arpa domain name pointer pc192-83-189-199.ntntc.edu.tw. 200.189.83.192.in-addr.arpa domain name pointer pc192-83-189-200.ntntc.edu.tw. 201.189.83.192.in-addr.arpa domain name pointer pc192-83-189-201.ntntc.edu.tw. 202.189.83.192.in-addr.arpa domain name pointer pc192-83-189-202.ntntc.edu.tw. 205.189.83.192.in-addr.arpa domain name pointer pc192-83-189-205.ntntc.edu.tw. 206.189.83.192.in-addr.arpa domain name pointer pc192-83-189-206.ntntc.edu.tw. 207.189.83.192.in-addr.arpa domain name pointer pc192-83-189-207.ntntc.edu.tw. 208.189.83.192.in-addr.arpa domain name pointer pc192-83-189-208.ntntc.edu.tw. 209.189.83.192.in-addr.arpa domain name pointer pc192-83-189-209.ntntc.edu.tw. 210.189.83.192.in-addr.arpa domain name pointer pc192-83-189-210.ntntc.edu.tw. 211.189.83.192.in-addr.arpa domain name pointer pc192-83-189-211.ntntc.edu.tw. 212.189.83.192.in-addr.arpa domain name pointer pc192-83-189-212.ntntc.edu.tw. 213.189.83.192.in-addr.arpa domain name pointer pc192-83-189-213.ntntc.edu.tw. 214.189.83.192.in-addr.arpa domain name pointer pc192-83-189-214.ntntc.edu.tw. 215.189.83.192.in-addr.arpa domain name pointer pc192-83-189-215.ntntc.edu.tw. 216.189.83.192.in-addr.arpa domain name pointer pc192-83-189-216.ntntc.edu.tw. 217.189.83.192.in-addr.arpa domain name pointer pc192-83-189-217.ntntc.edu.tw. 218.189.83.192.in-addr.arpa domain name pointer pc192-83-189-218.ntntc.edu.tw. 219.189.83.192.in-addr.arpa domain name pointer pc192-83-189-219.ntntc.edu.tw. 220.189.83.192.in-addr.arpa domain name pointer shark.ntntc.edu.tw. 221.189.83.192.in-addr.arpa domain name pointer whale.ntntc.edu.tw. 222.189.83.192.in-addr.arpa domain name pointer dolphin.ntntc.edu.tw. 223.189.83.192.in-addr.arpa domain name pointer penguin.ntntc.edu.tw. 224.189.83.192.in-addr.arpa domain name pointer pc192-83-189-224.ntntc.edu.tw. 225.189.83.192.in-addr.arpa domain name pointer pc192-83-189-225.ntntc.edu.tw. 226.189.83.192.in-addr.arpa domain name pointer pc192-83-189-226.ntntc.edu.tw. 227.189.83.192.in-addr.arpa domain name pointer pc192-83-189-227.ntntc.edu.tw. 228.189.83.192.in-addr.arpa domain name pointer smysrv.ntntc.edu.tw. 229.189.83.192.in-addr.arpa domain name pointer pc192-83-189-229.ntntc.edu.tw. 230.189.83.192.in-addr.arpa domain name pointer lincthinkpad.ntntc.edu.tw. 231.189.83.192.in-addr.arpa domain name pointer monica.ntntc.edu.tw. 232.189.83.192.in-addr.arpa domain name pointer mailstu.ntntc.edu.tw. 233.189.83.192.in-addr.arpa domain name pointer pc192-83-189-233.ntntc.edu.tw. 234.189.83.192.in-addr.arpa domain name pointer ADL.ntntc.edu.tw. 235.189.83.192.in-addr.arpa domain name pointer pc192-83-189-235.ntntc.edu.tw. 236.189.83.192.in-addr.arpa domain name pointer pc192-83-189-236.ntntc.edu.tw. 237.189.83.192.in-addr.arpa domain name pointer cock.ntntc.edu.tw. 238.189.83.192.in-addr.arpa domain name pointer pc192-83-189-238.ntntc.edu.tw. 239.189.83.192.in-addr.arpa domain name pointer pc192-83-189-239.ntntc.edu.tw. 240.189.83.192.in-addr.arpa domain name pointer wu.ntntc.edu.tw. 241.189.83.192.in-addr.arpa domain name pointer colt.ntntc.edu.tw. 242.189.83.192.in-addr.arpa domain name pointer ox.ntntc.edu.tw. 243.189.83.192.in-addr.arpa domain name pointer mouse.ntntc.edu.tw. 244.189.83.192.in-addr.arpa domain name pointer pc192-83-189-244.ntntc.edu.tw. 245.189.83.192.in-addr.arpa domain name pointer backup.ntntc.edu.tw. 246.189.83.192.in-addr.arpa domain name pointer horse.ntntc.edu.tw. 247.189.83.192.in-addr.arpa domain name pointer pc192-83-189-247.ntntc.edu.tw. 248.189.83.192.in-addr.arpa domain name pointer pc192-83-189-248.ntntc.edu.tw. 249.189.83.192.in-addr.arpa domain name pointer pc192-83-189-249.ntntc.edu.tw. 250.189.83.192.in-addr.arpa domain name pointer pc192-83-189-250.ntntc.edu.tw. 251.189.83.192.in-addr.arpa domain name pointer pc192-83-189-251.ntntc.edu.tw. 252.189.83.192.in-addr.arpa domain name pointer pc192-83-189-252.ntntc.edu.tw. 253.189.83.192.in-addr.arpa domain name pointer pc192-83-189-253.ntntc.edu.tw. 254.189.83.192.in-addr.arpa domain name pointer pc192-83-189-254.ntntc.edu.tw. Host 255.189.83.192.in-addr.arpa not found: 3(NXDOMAIN)