Robtex

Up: 138.88.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 138.88.128.0/18
Down right: 138.88.192.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
138.88.129.88	A+PTR	pool-138-88-129-88.esr.east.verizon.net
138.88.130.233	PTR	pool-138-88-130-233.esr.east.verizon.net
138.88.134.141	A+PTR	pool-138-88-134-141.esr.east.verizon.net
138.88.136.11	A	pool-138-88-136-11.esr.east.verizon.net
138.88.136.14	A	pool-138-88-136-14.esr.east.verizon.net
138.88.136.15	A	pool-138-88-136-15.esr.east.verizon.net
138.88.136.17	A	pool-138-88-136-17.esr.east.verizon.net
138.88.136.130	A+PTR	pool-138-88-136-130.esr.east.verizon.net
138.88.136.133	A	pool-138-88-136-133.esr.east.verizon.net
138.88.136.142	A	pool-138-88-136-142.esr.east.verizon.net
138.88.136.143	A	pool-138-88-136-143.esr.east.verizon.net
138.88.139.58	A+PTR	pool-138-88-139-58.esr.east.verizon.net
138.88.139.222	PTR	pool-138-88-139-222.esr.east.verizon.net
138.88.141.32	PTR	pool-138-88-141-32.esr.east.verizon.net
138.88.142.122	A+PTR	pool-138-88-142-122.esr.east.verizon.net
138.88.143.125	PTR	pool-138-88-143-125.esr.east.verizon.net
138.88.143.165	A+PTR	pool-138-88-143-165.esr.east.verizon.net
138.88.148.86	A+PTR	pool-138-88-148-86.esr.east.verizon.net
138.88.148.104	A+PTR	pool-138-88-148-104.esr.east.verizon.net
138.88.150.239	PTR	pool-138-88-150-239.esr.east.verizon.net
138.88.151.162	A+PTR	pool-138-88-151-162.esr.east.verizon.net
138.88.151.178	A+PTR	pool-138-88-151-178.esr.east.verizon.net
138.88.152.2	A+PTR	pool-138-88-152-2.esr.east.verizon.net
138.88.152.4	A+PTR	pool-138-88-152-4.esr.east.verizon.net
138.88.152.6	A	pool-138-88-152-6.esr.east.verizon.net
138.88.152.7	A	pool-138-88-152-7.esr.east.verizon.net
138.88.152.130	A+PTR	pool-138-88-152-130.esr.east.verizon.net
138.88.152.132	A	pool-138-88-152-132.esr.east.verizon.net
138.88.152.135	A	pool-138-88-152-135.esr.east.verizon.net
138.88.152.138	A	pool-138-88-152-138.esr.east.verizon.net
138.88.153.129	PTR	pool-138-88-153-129.esr.east.verizon.net
138.88.156.13	PTR	pool-138-88-156-13.esr.east.verizon.net
138.88.156.21	A+PTR	pool-138-88-156-21.esr.east.verizon.net
138.88.159.209	A+PTR	pool-138-88-159-209.esr.east.verizon.net
138.88.160.16	A	mail.pacare.com
138.88.160.38	A	mail.mrf-a.com
138.88.160.180	A	eobjects.com
138.88.160.180	A	www.eoweb.com
138.88.160.180	A	fleskes.org
138.88.161.8	A+PTR	static-138-88-161-8.res.east.verizon.net
138.88.161.26	A+PTR	static-138-88-161-26.res.east.verizon.net
138.88.161.28	PTR	static-138-88-161-28.res.east.verizon.net
138.88.161.48	A	mail.union-loan.com
138.88.161.140	A	mail2.cwmexchange.com
138.88.161.160	A	static-138-88-161-160.res.east.verizon.net
138.88.161.209	A	mail.consortium-research-fellows.org
138.88.161.234	A	belenpifel.com
138.88.162.83	A	mail.serviceindustriesllc.com
138.88.162.83	A	serviceindustriesllc.com
138.88.162.83	A	static-138-88-162-83.res.east.verizon.net
138.88.162.102	A	office.clarenceistackinc.com
138.88.162.175	PTR	remote.goodweave.org
138.88.162.179	A	mail1.bradleyparker.com
138.88.162.185	A	mail.coalitionsolutions.com
138.88.163.232	A	mail.avoncorporation.com
138.88.164.188	A+PTR	pool-138-88-164-188.res.east.verizon.net
138.88.165.54	A	pool-138-88-165-54.res.east.verizon.net
138.88.166.53	A+PTR	pool-138-88-166-53.res.east.verizon.net
138.88.166.79	A+PTR	pool-138-88-166-79.res.east.verizon.net
138.88.166.171	PTR	pool-138-88-166-171.res.east.verizon.net
138.88.166.199	PTR	pool-138-88-166-199.res.east.verizon.net
138.88.167.41	A+PTR	pool-138-88-167-41.washdc.fios.verizon.net
138.88.167.41	A	virtualepor.com
138.88.169.176	A+PTR	pool-138-88-169-176.res.east.verizon.net
138.88.170.3	PTR	static-138-88-170-3.washdc.fios.verizon.net
138.88.170.210	A+PTR	pool-138-88-170-210.res.east.verizon.net
138.88.172.171	A	pool-138-88-172-171.res.east.verizon.net
138.88.173.13	A+PTR	pool-138-88-173-13.res.east.verizon.net
138.88.173.227	A+PTR	pool-138-88-173-227.res.east.verizon.net
138.88.174.11	A+PTR	pool-138-88-174-11.res.east.verizon.net
138.88.180.126	PTR	pool-138-88-180-126.res.east.verizon.net
138.88.180.126	A	dcunix.org
138.88.180.126	A	unixdc.org
138.88.180.167	A+PTR	pool-138-88-180-167.res.east.verizon.net
138.88.181.144	A+PTR	pool-138-88-181-144.res.east.verizon.net
138.88.181.221	A	pool-138-88-181-221.res.east.verizon.net
138.88.184.189	A	pool-138-88-184-189.res.east.verizon.net
138.88.199.28	A+PTR	pool-138-88-199-28.res.east.verizon.net
138.88.203.19	A	pool-138-88-203-19.res.east.verizon.net
138.88.205.220	A+PTR	pool-138-88-205-220.res.east.verizon.net
138.88.206.4	A+PTR	pool-138-88-206-4.res.east.verizon.net
138.88.206.6	A	pool-138-88-206-6.res.east.verizon.net
138.88.206.8	A	pool-138-88-206-8.res.east.verizon.net
138.88.206.9	A	pool-138-88-206-9.res.east.verizon.net
138.88.206.134	A+PTR	pool-138-88-206-134.res.east.verizon.net
138.88.206.143	A	pool-138-88-206-143.res.east.verizon.net
138.88.206.145	A	pool-138-88-206-145.res.east.verizon.net
138.88.206.149	A	pool-138-88-206-149.res.east.verizon.net
138.88.207.3	A+PTR	pool-138-88-207-3.res.east.verizon.net
138.88.207.126	A+PTR	pool-138-88-207-126.res.east.verizon.net
138.88.207.126	A	pryortech.com
138.88.211.35	A	pool-138-88-211-35.res.east.verizon.net
138.88.212.182	A+PTR	pool-138-88-212-182.res.east.verizon.net
138.88.219.56	A	pool-138-88-219-56.res.east.verizon.net
138.88.219.85	A	pool-138-88-219-85.res.east.verizon.net
138.88.221.93	PTR	pool-138-88-221-93.res.east.verizon.net
138.88.225.97	A+PTR	pool-138-88-225-97.res.east.verizon.net
138.88.231.127	A+PTR	pool-138-88-231-127.res.east.verizon.net
138.88.232.158	A	pool-138-88-232-158.res.east.verizon.net
138.88.233.73	PTR	pool-138-88-233-73.washdc.fios.verizon.net
138.88.233.73	A	pool-138-88-233-73.res.east.verizon.net
138.88.233.207	PTR	pool-138-88-233-207.washdc.fios.verizon.net
138.88.234.246	A+PTR	pool-138-88-234-246.res.east.verizon.net
138.88.235.126	A+PTR	pool-138-88-235-126.res.east.verizon.net
138.88.242.123	PTR	pool-138-88-242-123.washdc.fios.verizon.net
138.88.243.162	A	pool-138-88-243-162.res.east.verizon.net
138.88.246.181	A	pool-138-88-246-181.res.east.verizon.net
138.88.251.112	PTR	pool-138-88-251-112.res.east.verizon.net
138.88.254.24	A+PTR	pool-138-88-254-24.res.east.verizon.net
138.88.254.78	A	pool-138-88-254-78.res.east.verizon.net
138.88.255.99	PTR	pool-138-88-255-99.res.east.verizon.net
138.88.255.130	A+PTR	pool-138-88-255-130.res.east.verizon.net