Host 0.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 1.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 2.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 3.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 4.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 5.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 6.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 7.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 8.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 9.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
10.101.59.128.in-addr.arpa domain name pointer laserjet6p.cser.columbia.edu.
11.101.59.128.in-addr.arpa domain name pointer core-lj4200n.college.columbia.edu.
Host 12.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 13.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 14.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 15.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 16.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 17.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 18.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 19.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 20.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 21.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 22.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 23.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 24.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 25.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 26.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 27.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 28.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 29.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 30.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 31.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 32.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 33.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 34.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 35.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 36.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 37.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 38.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 39.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 40.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 41.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 42.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 43.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 44.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 45.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 46.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 47.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 48.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 49.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 50.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 51.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 52.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 53.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 54.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 55.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 56.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 57.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 58.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 59.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 60.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 61.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 62.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 63.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 64.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 65.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 66.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 67.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 68.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 69.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 70.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 71.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 72.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 73.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 74.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 75.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 76.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 77.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 78.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 79.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 80.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 81.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 82.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 83.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 84.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 85.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 86.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 87.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 88.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 89.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 90.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 91.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 92.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 93.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 94.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 95.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 96.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 97.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 98.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 99.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
100.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-100.dyn.columbia.edu.
101.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-101.dyn.columbia.edu.
102.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-102.dyn.columbia.edu.
103.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-103.dyn.columbia.edu.
104.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-104.dyn.columbia.edu.
105.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-105.dyn.columbia.edu.
106.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-106.dyn.columbia.edu.
107.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-107.dyn.columbia.edu.
108.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-108.dyn.columbia.edu.
109.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-109.dyn.columbia.edu.
110.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-110.dyn.columbia.edu.
111.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-111.dyn.columbia.edu.
112.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-112.dyn.columbia.edu.
113.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-113.dyn.columbia.edu.
114.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-114.dyn.columbia.edu.
115.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-115.dyn.columbia.edu.
116.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-116.dyn.columbia.edu.
117.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-117.dyn.columbia.edu.
118.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-118.dyn.columbia.edu.
119.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-119.dyn.columbia.edu.
120.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-120.dyn.columbia.edu.
121.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-121.dyn.columbia.edu.
122.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-122.dyn.columbia.edu.
123.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-123.dyn.columbia.edu.
124.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-124.dyn.columbia.edu.
125.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-125.dyn.columbia.edu.
126.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-126.dyn.columbia.edu.
127.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-127.dyn.columbia.edu.
128.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-128.dyn.columbia.edu.
129.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-129.dyn.columbia.edu.
130.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-130.dyn.columbia.edu.
131.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-131.dyn.columbia.edu.
132.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-132.dyn.columbia.edu.
133.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-133.dyn.columbia.edu.
134.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-134.dyn.columbia.edu.
135.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-135.dyn.columbia.edu.
136.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-136.dyn.columbia.edu.
137.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-137.dyn.columbia.edu.
138.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-138.dyn.columbia.edu.
139.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-139.dyn.columbia.edu.
140.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-140.dyn.columbia.edu.
141.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-141.dyn.columbia.edu.
142.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-142.dyn.columbia.edu.
143.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-143.dyn.columbia.edu.
144.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-144.dyn.columbia.edu.
145.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-145.dyn.columbia.edu.
146.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-146.dyn.columbia.edu.
147.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-147.dyn.columbia.edu.
148.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-148.dyn.columbia.edu.
149.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-149.dyn.columbia.edu.
150.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-150.dyn.columbia.edu.
151.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-151.dyn.columbia.edu.
152.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-152.dyn.columbia.edu.
153.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-153.dyn.columbia.edu.
154.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-154.dyn.columbia.edu.
155.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-155.dyn.columbia.edu.
156.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-156.dyn.columbia.edu.
157.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-157.dyn.columbia.edu.
158.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-158.dyn.columbia.edu.
159.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-159.dyn.columbia.edu.
160.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-160.dyn.columbia.edu.
161.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-161.dyn.columbia.edu.
162.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-162.dyn.columbia.edu.
163.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-163.dyn.columbia.edu.
164.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-164.dyn.columbia.edu.
165.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-165.dyn.columbia.edu.
166.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-166.dyn.columbia.edu.
167.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-167.dyn.columbia.edu.
168.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-168.dyn.columbia.edu.
169.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-169.dyn.columbia.edu.
170.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-170.dyn.columbia.edu.
171.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-171.dyn.columbia.edu.
172.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-172.dyn.columbia.edu.
173.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-173.dyn.columbia.edu.
174.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-174.dyn.columbia.edu.
175.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-175.dyn.columbia.edu.
176.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-176.dyn.columbia.edu.
177.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-177.dyn.columbia.edu.
178.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-178.dyn.columbia.edu.
179.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-179.dyn.columbia.edu.
180.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-180.dyn.columbia.edu.
181.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-181.dyn.columbia.edu.
182.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-182.dyn.columbia.edu.
183.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-183.dyn.columbia.edu.
184.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-184.dyn.columbia.edu.
185.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-185.dyn.columbia.edu.
186.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-186.dyn.columbia.edu.
187.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-187.dyn.columbia.edu.
188.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-188.dyn.columbia.edu.
189.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-189.dyn.columbia.edu.
190.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-190.dyn.columbia.edu.
191.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-191.dyn.columbia.edu.
192.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-192.dyn.columbia.edu.
193.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-193.dyn.columbia.edu.
194.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-194.dyn.columbia.edu.
195.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-195.dyn.columbia.edu.
196.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-196.dyn.columbia.edu.
197.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-197.dyn.columbia.edu.
198.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-198.dyn.columbia.edu.
199.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-199.dyn.columbia.edu.
200.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-200.dyn.columbia.edu.
201.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-201.dyn.columbia.edu.
202.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-202.dyn.columbia.edu.
203.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-203.dyn.columbia.edu.
204.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-204.dyn.columbia.edu.
205.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-205.dyn.columbia.edu.
206.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-206.dyn.columbia.edu.
207.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-207.dyn.columbia.edu.
208.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-208.dyn.columbia.edu.
209.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-209.dyn.columbia.edu.
210.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-210.dyn.columbia.edu.
211.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-211.dyn.columbia.edu.
212.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-212.dyn.columbia.edu.
213.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-213.dyn.columbia.edu.
214.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-214.dyn.columbia.edu.
215.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-215.dyn.columbia.edu.
216.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-216.dyn.columbia.edu.
217.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-217.dyn.columbia.edu.
218.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-218.dyn.columbia.edu.
219.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-219.dyn.columbia.edu.
220.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-220.dyn.columbia.edu.
221.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-221.dyn.columbia.edu.
222.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-222.dyn.columbia.edu.
223.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-223.dyn.columbia.edu.
224.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-224.dyn.columbia.edu.
225.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-225.dyn.columbia.edu.
226.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-226.dyn.columbia.edu.
227.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-227.dyn.columbia.edu.
228.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-228.dyn.columbia.edu.
229.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-229.dyn.columbia.edu.
230.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-230.dyn.columbia.edu.
231.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-231.dyn.columbia.edu.
232.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-232.dyn.columbia.edu.
233.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-233.dyn.columbia.edu.
234.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-234.dyn.columbia.edu.
235.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-235.dyn.columbia.edu.
236.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-236.dyn.columbia.edu.
237.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-237.dyn.columbia.edu.
238.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-238.dyn.columbia.edu.
239.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-239.dyn.columbia.edu.
240.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-240.dyn.columbia.edu.
241.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-241.dyn.columbia.edu.
242.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-242.dyn.columbia.edu.
243.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-243.dyn.columbia.edu.
244.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-244.dyn.columbia.edu.
245.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-245.dyn.columbia.edu.
246.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-246.dyn.columbia.edu.
247.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-247.dyn.columbia.edu.
248.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-248.dyn.columbia.edu.
249.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-249.dyn.columbia.edu.
250.101.59.128.in-addr.arpa domain name pointer dyn-128-59-101-250.dyn.columbia.edu.
Host 251.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 252.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 253.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 254.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)
Host 255.101.59.128.in-addr.arpa not found: 3(NXDOMAIN)