Host 0.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 1.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 2.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 3.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 4.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 5.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 6.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 7.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 8.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 9.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 10.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 11.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 12.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 13.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 14.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 15.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 16.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 17.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 18.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 19.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 20.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 21.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 22.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 23.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 24.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 25.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 26.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 27.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 28.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 29.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 30.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 31.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 32.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 33.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 34.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 35.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 36.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 37.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 38.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 39.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 40.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 41.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 42.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 43.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 44.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 45.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 46.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 47.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 48.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 49.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
50.175.59.128.in-addr.arpa domain name pointer dynamic-175-50.dyn.columbia.edu.
51.175.59.128.in-addr.arpa domain name pointer dynamic-175-51.dyn.columbia.edu.
52.175.59.128.in-addr.arpa domain name pointer dynamic-175-52.dyn.columbia.edu.
53.175.59.128.in-addr.arpa domain name pointer dynamic-175-53.dyn.columbia.edu.
54.175.59.128.in-addr.arpa domain name pointer dynamic-175-54.dyn.columbia.edu.
55.175.59.128.in-addr.arpa domain name pointer dynamic-175-55.dyn.columbia.edu.
56.175.59.128.in-addr.arpa domain name pointer dynamic-175-56.dyn.columbia.edu.
57.175.59.128.in-addr.arpa domain name pointer dynamic-175-57.dyn.columbia.edu.
58.175.59.128.in-addr.arpa domain name pointer dynamic-175-58.dyn.columbia.edu.
59.175.59.128.in-addr.arpa domain name pointer dynamic-175-59.dyn.columbia.edu.
60.175.59.128.in-addr.arpa domain name pointer dynamic-175-60.dyn.columbia.edu.
61.175.59.128.in-addr.arpa domain name pointer dynamic-175-61.dyn.columbia.edu.
62.175.59.128.in-addr.arpa domain name pointer dynamic-175-62.dyn.columbia.edu.
63.175.59.128.in-addr.arpa domain name pointer dynamic-175-63.dyn.columbia.edu.
64.175.59.128.in-addr.arpa domain name pointer dynamic-175-64.dyn.columbia.edu.
65.175.59.128.in-addr.arpa domain name pointer dynamic-175-65.dyn.columbia.edu.
66.175.59.128.in-addr.arpa domain name pointer dynamic-175-66.dyn.columbia.edu.
67.175.59.128.in-addr.arpa domain name pointer dynamic-175-67.dyn.columbia.edu.
68.175.59.128.in-addr.arpa domain name pointer dynamic-175-68.dyn.columbia.edu.
69.175.59.128.in-addr.arpa domain name pointer dynamic-175-69.dyn.columbia.edu.
70.175.59.128.in-addr.arpa domain name pointer dynamic-175-70.dyn.columbia.edu.
71.175.59.128.in-addr.arpa domain name pointer dynamic-175-71.dyn.columbia.edu.
72.175.59.128.in-addr.arpa domain name pointer dynamic-175-72.dyn.columbia.edu.
73.175.59.128.in-addr.arpa domain name pointer dynamic-175-73.dyn.columbia.edu.
74.175.59.128.in-addr.arpa domain name pointer dynamic-175-74.dyn.columbia.edu.
75.175.59.128.in-addr.arpa domain name pointer dynamic-175-75.dyn.columbia.edu.
76.175.59.128.in-addr.arpa domain name pointer dynamic-175-76.dyn.columbia.edu.
77.175.59.128.in-addr.arpa domain name pointer dynamic-175-77.dyn.columbia.edu.
78.175.59.128.in-addr.arpa domain name pointer dynamic-175-78.dyn.columbia.edu.
79.175.59.128.in-addr.arpa domain name pointer dynamic-175-79.dyn.columbia.edu.
80.175.59.128.in-addr.arpa domain name pointer dynamic-175-80.dyn.columbia.edu.
81.175.59.128.in-addr.arpa domain name pointer dynamic-175-81.dyn.columbia.edu.
82.175.59.128.in-addr.arpa domain name pointer dynamic-175-82.dyn.columbia.edu.
83.175.59.128.in-addr.arpa domain name pointer dynamic-175-83.dyn.columbia.edu.
84.175.59.128.in-addr.arpa domain name pointer dynamic-175-84.dyn.columbia.edu.
85.175.59.128.in-addr.arpa domain name pointer dynamic-175-85.dyn.columbia.edu.
86.175.59.128.in-addr.arpa domain name pointer dynamic-175-86.dyn.columbia.edu.
87.175.59.128.in-addr.arpa domain name pointer dynamic-175-87.dyn.columbia.edu.
88.175.59.128.in-addr.arpa domain name pointer dynamic-175-88.dyn.columbia.edu.
89.175.59.128.in-addr.arpa domain name pointer dynamic-175-89.dyn.columbia.edu.
90.175.59.128.in-addr.arpa domain name pointer dynamic-175-90.dyn.columbia.edu.
91.175.59.128.in-addr.arpa domain name pointer dynamic-175-91.dyn.columbia.edu.
92.175.59.128.in-addr.arpa domain name pointer dynamic-175-92.dyn.columbia.edu.
93.175.59.128.in-addr.arpa domain name pointer dynamic-175-93.dyn.columbia.edu.
94.175.59.128.in-addr.arpa domain name pointer dynamic-175-94.dyn.columbia.edu.
95.175.59.128.in-addr.arpa domain name pointer dynamic-175-95.dyn.columbia.edu.
96.175.59.128.in-addr.arpa domain name pointer dynamic-175-96.dyn.columbia.edu.
97.175.59.128.in-addr.arpa domain name pointer dynamic-175-97.dyn.columbia.edu.
98.175.59.128.in-addr.arpa domain name pointer dynamic-175-98.dyn.columbia.edu.
99.175.59.128.in-addr.arpa domain name pointer dynamic-175-99.dyn.columbia.edu.
100.175.59.128.in-addr.arpa domain name pointer dynamic-175-100.dyn.columbia.edu.
101.175.59.128.in-addr.arpa domain name pointer dynamic-175-101.dyn.columbia.edu.
102.175.59.128.in-addr.arpa domain name pointer dynamic-175-102.dyn.columbia.edu.
103.175.59.128.in-addr.arpa domain name pointer dynamic-175-103.dyn.columbia.edu.
104.175.59.128.in-addr.arpa domain name pointer dynamic-175-104.dyn.columbia.edu.
105.175.59.128.in-addr.arpa domain name pointer dynamic-175-105.dyn.columbia.edu.
106.175.59.128.in-addr.arpa domain name pointer dynamic-175-106.dyn.columbia.edu.
107.175.59.128.in-addr.arpa domain name pointer dynamic-175-107.dyn.columbia.edu.
108.175.59.128.in-addr.arpa domain name pointer dynamic-175-108.dyn.columbia.edu.
109.175.59.128.in-addr.arpa domain name pointer dynamic-175-109.dyn.columbia.edu.
110.175.59.128.in-addr.arpa domain name pointer dynamic-175-110.dyn.columbia.edu.
111.175.59.128.in-addr.arpa domain name pointer dynamic-175-111.dyn.columbia.edu.
112.175.59.128.in-addr.arpa domain name pointer dynamic-175-112.dyn.columbia.edu.
113.175.59.128.in-addr.arpa domain name pointer dynamic-175-113.dyn.columbia.edu.
114.175.59.128.in-addr.arpa domain name pointer dynamic-175-114.dyn.columbia.edu.
115.175.59.128.in-addr.arpa domain name pointer dynamic-175-115.dyn.columbia.edu.
116.175.59.128.in-addr.arpa domain name pointer dynamic-175-116.dyn.columbia.edu.
117.175.59.128.in-addr.arpa domain name pointer dynamic-175-117.dyn.columbia.edu.
118.175.59.128.in-addr.arpa domain name pointer dynamic-175-118.dyn.columbia.edu.
119.175.59.128.in-addr.arpa domain name pointer dynamic-175-119.dyn.columbia.edu.
120.175.59.128.in-addr.arpa domain name pointer dynamic-175-120.dyn.columbia.edu.
121.175.59.128.in-addr.arpa domain name pointer dynamic-175-121.dyn.columbia.edu.
122.175.59.128.in-addr.arpa domain name pointer dynamic-175-122.dyn.columbia.edu.
123.175.59.128.in-addr.arpa domain name pointer dynamic-175-123.dyn.columbia.edu.
124.175.59.128.in-addr.arpa domain name pointer dynamic-175-124.dyn.columbia.edu.
125.175.59.128.in-addr.arpa domain name pointer dynamic-175-125.dyn.columbia.edu.
126.175.59.128.in-addr.arpa domain name pointer dynamic-175-126.dyn.columbia.edu.
127.175.59.128.in-addr.arpa domain name pointer dynamic-175-127.dyn.columbia.edu.
128.175.59.128.in-addr.arpa domain name pointer dynamic-175-128.dyn.columbia.edu.
129.175.59.128.in-addr.arpa domain name pointer dynamic-175-129.dyn.columbia.edu.
130.175.59.128.in-addr.arpa domain name pointer dynamic-175-130.dyn.columbia.edu.
131.175.59.128.in-addr.arpa domain name pointer dynamic-175-131.dyn.columbia.edu.
132.175.59.128.in-addr.arpa domain name pointer dynamic-175-132.dyn.columbia.edu.
133.175.59.128.in-addr.arpa domain name pointer dynamic-175-133.dyn.columbia.edu.
134.175.59.128.in-addr.arpa domain name pointer dynamic-175-134.dyn.columbia.edu.
135.175.59.128.in-addr.arpa domain name pointer dynamic-175-135.dyn.columbia.edu.
136.175.59.128.in-addr.arpa domain name pointer dynamic-175-136.dyn.columbia.edu.
137.175.59.128.in-addr.arpa domain name pointer dynamic-175-137.dyn.columbia.edu.
138.175.59.128.in-addr.arpa domain name pointer dynamic-175-138.dyn.columbia.edu.
139.175.59.128.in-addr.arpa domain name pointer dynamic-175-139.dyn.columbia.edu.
140.175.59.128.in-addr.arpa domain name pointer dynamic-175-140.dyn.columbia.edu.
141.175.59.128.in-addr.arpa domain name pointer dynamic-175-141.dyn.columbia.edu.
142.175.59.128.in-addr.arpa domain name pointer dynamic-175-142.dyn.columbia.edu.
143.175.59.128.in-addr.arpa domain name pointer dynamic-175-143.dyn.columbia.edu.
144.175.59.128.in-addr.arpa domain name pointer dynamic-175-144.dyn.columbia.edu.
145.175.59.128.in-addr.arpa domain name pointer dynamic-175-145.dyn.columbia.edu.
146.175.59.128.in-addr.arpa domain name pointer dynamic-175-146.dyn.columbia.edu.
147.175.59.128.in-addr.arpa domain name pointer dynamic-175-147.dyn.columbia.edu.
148.175.59.128.in-addr.arpa domain name pointer dynamic-175-148.dyn.columbia.edu.
149.175.59.128.in-addr.arpa domain name pointer dynamic-175-149.dyn.columbia.edu.
150.175.59.128.in-addr.arpa domain name pointer dynamic-175-150.dyn.columbia.edu.
151.175.59.128.in-addr.arpa domain name pointer dynamic-175-151.dyn.columbia.edu.
152.175.59.128.in-addr.arpa domain name pointer dynamic-175-152.dyn.columbia.edu.
153.175.59.128.in-addr.arpa domain name pointer dynamic-175-153.dyn.columbia.edu.
154.175.59.128.in-addr.arpa domain name pointer dynamic-175-154.dyn.columbia.edu.
155.175.59.128.in-addr.arpa domain name pointer dynamic-175-155.dyn.columbia.edu.
156.175.59.128.in-addr.arpa domain name pointer dynamic-175-156.dyn.columbia.edu.
157.175.59.128.in-addr.arpa domain name pointer dynamic-175-157.dyn.columbia.edu.
158.175.59.128.in-addr.arpa domain name pointer dynamic-175-158.dyn.columbia.edu.
159.175.59.128.in-addr.arpa domain name pointer dynamic-175-159.dyn.columbia.edu.
160.175.59.128.in-addr.arpa domain name pointer dynamic-175-160.dyn.columbia.edu.
161.175.59.128.in-addr.arpa domain name pointer dynamic-175-161.dyn.columbia.edu.
162.175.59.128.in-addr.arpa domain name pointer dynamic-175-162.dyn.columbia.edu.
163.175.59.128.in-addr.arpa domain name pointer dynamic-175-163.dyn.columbia.edu.
164.175.59.128.in-addr.arpa domain name pointer dynamic-175-164.dyn.columbia.edu.
165.175.59.128.in-addr.arpa domain name pointer dynamic-175-165.dyn.columbia.edu.
166.175.59.128.in-addr.arpa domain name pointer dynamic-175-166.dyn.columbia.edu.
167.175.59.128.in-addr.arpa domain name pointer dynamic-175-167.dyn.columbia.edu.
168.175.59.128.in-addr.arpa domain name pointer dynamic-175-168.dyn.columbia.edu.
169.175.59.128.in-addr.arpa domain name pointer dynamic-175-169.dyn.columbia.edu.
170.175.59.128.in-addr.arpa domain name pointer dynamic-175-170.dyn.columbia.edu.
171.175.59.128.in-addr.arpa domain name pointer dynamic-175-171.dyn.columbia.edu.
172.175.59.128.in-addr.arpa domain name pointer dynamic-175-172.dyn.columbia.edu.
173.175.59.128.in-addr.arpa domain name pointer dynamic-175-173.dyn.columbia.edu.
174.175.59.128.in-addr.arpa domain name pointer dynamic-175-174.dyn.columbia.edu.
175.175.59.128.in-addr.arpa domain name pointer dynamic-175-175.dyn.columbia.edu.
176.175.59.128.in-addr.arpa domain name pointer dynamic-175-176.dyn.columbia.edu.
177.175.59.128.in-addr.arpa domain name pointer dynamic-175-177.dyn.columbia.edu.
178.175.59.128.in-addr.arpa domain name pointer dynamic-175-178.dyn.columbia.edu.
179.175.59.128.in-addr.arpa domain name pointer dynamic-175-179.dyn.columbia.edu.
180.175.59.128.in-addr.arpa domain name pointer dynamic-175-180.dyn.columbia.edu.
181.175.59.128.in-addr.arpa domain name pointer dynamic-175-181.dyn.columbia.edu.
182.175.59.128.in-addr.arpa domain name pointer dynamic-175-182.dyn.columbia.edu.
183.175.59.128.in-addr.arpa domain name pointer dynamic-175-183.dyn.columbia.edu.
184.175.59.128.in-addr.arpa domain name pointer dynamic-175-184.dyn.columbia.edu.
185.175.59.128.in-addr.arpa domain name pointer dynamic-175-185.dyn.columbia.edu.
186.175.59.128.in-addr.arpa domain name pointer dynamic-175-186.dyn.columbia.edu.
187.175.59.128.in-addr.arpa domain name pointer dynamic-175-187.dyn.columbia.edu.
188.175.59.128.in-addr.arpa domain name pointer dynamic-175-188.dyn.columbia.edu.
189.175.59.128.in-addr.arpa domain name pointer dynamic-175-189.dyn.columbia.edu.
190.175.59.128.in-addr.arpa domain name pointer dynamic-175-190.dyn.columbia.edu.
191.175.59.128.in-addr.arpa domain name pointer dynamic-175-191.dyn.columbia.edu.
192.175.59.128.in-addr.arpa domain name pointer dynamic-175-192.dyn.columbia.edu.
193.175.59.128.in-addr.arpa domain name pointer dynamic-175-193.dyn.columbia.edu.
194.175.59.128.in-addr.arpa domain name pointer dynamic-175-194.dyn.columbia.edu.
195.175.59.128.in-addr.arpa domain name pointer dynamic-175-195.dyn.columbia.edu.
196.175.59.128.in-addr.arpa domain name pointer dynamic-175-196.dyn.columbia.edu.
197.175.59.128.in-addr.arpa domain name pointer dynamic-175-197.dyn.columbia.edu.
198.175.59.128.in-addr.arpa domain name pointer dynamic-175-198.dyn.columbia.edu.
199.175.59.128.in-addr.arpa domain name pointer dynamic-175-199.dyn.columbia.edu.
200.175.59.128.in-addr.arpa domain name pointer dynamic-175-200.dyn.columbia.edu.
201.175.59.128.in-addr.arpa domain name pointer dynamic-175-201.dyn.columbia.edu.
202.175.59.128.in-addr.arpa domain name pointer dynamic-175-202.dyn.columbia.edu.
203.175.59.128.in-addr.arpa domain name pointer dynamic-175-203.dyn.columbia.edu.
204.175.59.128.in-addr.arpa domain name pointer dynamic-175-204.dyn.columbia.edu.
205.175.59.128.in-addr.arpa domain name pointer dynamic-175-205.dyn.columbia.edu.
206.175.59.128.in-addr.arpa domain name pointer dynamic-175-206.dyn.columbia.edu.
207.175.59.128.in-addr.arpa domain name pointer dynamic-175-207.dyn.columbia.edu.
208.175.59.128.in-addr.arpa domain name pointer dynamic-175-208.dyn.columbia.edu.
209.175.59.128.in-addr.arpa domain name pointer dynamic-175-209.dyn.columbia.edu.
210.175.59.128.in-addr.arpa domain name pointer dynamic-175-210.dyn.columbia.edu.
211.175.59.128.in-addr.arpa domain name pointer dynamic-175-211.dyn.columbia.edu.
212.175.59.128.in-addr.arpa domain name pointer dynamic-175-212.dyn.columbia.edu.
213.175.59.128.in-addr.arpa domain name pointer dynamic-175-213.dyn.columbia.edu.
214.175.59.128.in-addr.arpa domain name pointer dynamic-175-214.dyn.columbia.edu.
215.175.59.128.in-addr.arpa domain name pointer dynamic-175-215.dyn.columbia.edu.
216.175.59.128.in-addr.arpa domain name pointer dynamic-175-216.dyn.columbia.edu.
217.175.59.128.in-addr.arpa domain name pointer dynamic-175-217.dyn.columbia.edu.
218.175.59.128.in-addr.arpa domain name pointer dynamic-175-218.dyn.columbia.edu.
219.175.59.128.in-addr.arpa domain name pointer dynamic-175-219.dyn.columbia.edu.
220.175.59.128.in-addr.arpa domain name pointer dynamic-175-220.dyn.columbia.edu.
221.175.59.128.in-addr.arpa domain name pointer dynamic-175-221.dyn.columbia.edu.
222.175.59.128.in-addr.arpa domain name pointer dynamic-175-222.dyn.columbia.edu.
223.175.59.128.in-addr.arpa domain name pointer dynamic-175-223.dyn.columbia.edu.
224.175.59.128.in-addr.arpa domain name pointer dynamic-175-224.dyn.columbia.edu.
225.175.59.128.in-addr.arpa domain name pointer dynamic-175-225.dyn.columbia.edu.
226.175.59.128.in-addr.arpa domain name pointer dynamic-175-226.dyn.columbia.edu.
227.175.59.128.in-addr.arpa domain name pointer dynamic-175-227.dyn.columbia.edu.
228.175.59.128.in-addr.arpa domain name pointer dynamic-175-228.dyn.columbia.edu.
229.175.59.128.in-addr.arpa domain name pointer dynamic-175-229.dyn.columbia.edu.
230.175.59.128.in-addr.arpa domain name pointer dynamic-175-230.dyn.columbia.edu.
231.175.59.128.in-addr.arpa domain name pointer dynamic-175-231.dyn.columbia.edu.
232.175.59.128.in-addr.arpa domain name pointer dynamic-175-232.dyn.columbia.edu.
233.175.59.128.in-addr.arpa domain name pointer dynamic-175-233.dyn.columbia.edu.
234.175.59.128.in-addr.arpa domain name pointer dynamic-175-234.dyn.columbia.edu.
235.175.59.128.in-addr.arpa domain name pointer dynamic-175-235.dyn.columbia.edu.
236.175.59.128.in-addr.arpa domain name pointer dynamic-175-236.dyn.columbia.edu.
237.175.59.128.in-addr.arpa domain name pointer dynamic-175-237.dyn.columbia.edu.
238.175.59.128.in-addr.arpa domain name pointer dynamic-175-238.dyn.columbia.edu.
239.175.59.128.in-addr.arpa domain name pointer dynamic-175-239.dyn.columbia.edu.
240.175.59.128.in-addr.arpa domain name pointer dynamic-175-240.dyn.columbia.edu.
241.175.59.128.in-addr.arpa domain name pointer dynamic-175-241.dyn.columbia.edu.
242.175.59.128.in-addr.arpa domain name pointer dynamic-175-242.dyn.columbia.edu.
243.175.59.128.in-addr.arpa domain name pointer dynamic-175-243.dyn.columbia.edu.
244.175.59.128.in-addr.arpa domain name pointer dynamic-175-244.dyn.columbia.edu.
245.175.59.128.in-addr.arpa domain name pointer dynamic-175-245.dyn.columbia.edu.
246.175.59.128.in-addr.arpa domain name pointer dynamic-175-246.dyn.columbia.edu.
247.175.59.128.in-addr.arpa domain name pointer dynamic-175-247.dyn.columbia.edu.
248.175.59.128.in-addr.arpa domain name pointer dynamic-175-248.dyn.columbia.edu.
249.175.59.128.in-addr.arpa domain name pointer dynamic-175-249.dyn.columbia.edu.
250.175.59.128.in-addr.arpa domain name pointer dynamic-175-250.dyn.columbia.edu.
Host 251.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 252.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)
253.175.59.128.in-addr.arpa domain name pointer fay-b-1-ups.net.columbia.edu.
254.175.59.128.in-addr.arpa domain name pointer fay-b-1.net.columbia.edu.
Host 255.175.59.128.in-addr.arpa not found: 3(NXDOMAIN)