Robtex

Up: 201.216.128.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 201.216.144.0/21
Down right: 201.216.152.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
201.216.144.169	PTR	169.144.216.201.intelnet.net.gt
201.216.144.170	PTR	170.144.216.201.intelnet.net.gt
201.216.144.178	PTR	178.144.216.201.intelnet.net.gt
201.216.144.252	PTR	252.144.216.201.intelnet.net.gt
201.216.145.114	PTR	114.145.216.201.intelnet.net.gt
201.216.145.151	PTR	151.145.216.201.intelnet.net.gt
201.216.145.221	PTR	221.145.216.201.intelnet.net.gt
201.216.146.2	A+PTR	2.146.216.201.dsl.intelnet.net.gt
201.216.146.10	PTR	10.146.216.201.dsl.intelnet.net.gt
201.216.146.16	A+PTR	16.146.216.201.dsl.intelnet.net.gt
201.216.146.39	A+PTR	39.146.216.201.dsl.intelnet.net.gt
201.216.146.57	A	57.146.216.201.dsl.intelnet.net.gt
201.216.146.59	A+PTR	59.146.216.201.dsl.intelnet.net.gt
201.216.146.80	A+PTR	80.146.216.201.dsl.intelnet.net.gt
201.216.146.87	A+PTR	87.146.216.201.dsl.intelnet.net.gt
201.216.146.93	A+PTR	93.146.216.201.dsl.intelnet.net.gt
201.216.146.110	A+PTR	110.146.216.201.dsl.intelnet.net.gt
201.216.147.38	PTR	38.147.216.201.intelnet.net.gt
201.216.147.93	PTR	93.147.216.201.intelnet.net.gt
201.216.147.102	PTR	102.147.216.201.intelnet.net.gt
201.216.148.10	PTR	10.148.216.201.intelnet.net.gt
201.216.148.12	PTR	12.148.216.201.intelnet.net.gt
201.216.148.43	PTR	43.148.216.201.intelnet.net.gt
201.216.148.89	PTR	89.148.216.201.intelnet.net.gt
201.216.148.122	PTR	122.148.216.201.intelnet.net.gt
201.216.148.223	PTR	223.148.216.201.intelnet.net.gt
201.216.149.1	PTR	1.149.216.201.intelnet.net.gt
201.216.149.18	PTR	18.149.216.201.intelnet.net.gt
201.216.149.19	PTR	19.149.216.201.intelnet.net.gt
201.216.149.35	PTR	35.149.216.201.intelnet.net.gt
201.216.149.48	PTR	48.149.216.201.intelnet.net.gt
201.216.149.49	PTR	49.149.216.201.intelnet.net.gt
201.216.149.81	PTR	81.149.216.201.intelnet.net.gt
201.216.149.82	PTR	82.149.216.201.intelnet.net.gt
201.216.149.83	PTR	83.149.216.201.intelnet.net.gt
201.216.149.96	PTR	96.149.216.201.intelnet.net.gt
201.216.149.98	PTR	98.149.216.201.intelnet.net.gt
201.216.149.112	PTR	112.149.216.201.intelnet.net.gt
201.216.149.144	PTR	144.149.216.201.intelnet.net.gt
201.216.149.145	PTR	145.149.216.201.intelnet.net.gt
201.216.149.179	PTR	179.149.216.201.intelnet.net.gt
201.216.149.192	PTR	192.149.216.201.intelnet.net.gt
201.216.149.193	PTR	193.149.216.201.intelnet.net.gt
201.216.149.208	PTR	208.149.216.201.intelnet.net.gt
201.216.149.225	PTR	225.149.216.201.intelnet.net.gt
201.216.149.243	PTR	243.149.216.201.intelnet.net.gt
201.216.150.33	PTR	33.150.216.201.intelnet.net.gt
201.216.150.36	PTR	36.150.216.201.intelnet.net.gt
201.216.150.210	PTR	210.150.216.201.intelnet.net.gt
201.216.151.144	PTR	144.151.216.201.intelnet.net.gt
201.216.151.239	PTR	239.151.216.201.intelnet.net.gt
201.216.151.244	PTR	244.151.216.201.intelnet.net.gt
201.216.152.3	PTR	3.152.216.201.intelnet.net.gt
201.216.152.32	PTR	32.152.216.201.intelnet.net.gt
201.216.152.66	PTR	66.152.216.201.intelnet.net.gt
201.216.152.240	PTR	240.152.216.201.intelnet.net.gt
201.216.153.22	PTR	22.153.216.201.intelnet.net.gt
201.216.153.48	PTR	48.153.216.201.intelnet.net.gt
201.216.153.182	PTR	182.153.216.201.intelnet.net.gt
201.216.153.212	PTR	212.153.216.201.intelnet.net.gt
201.216.153.216	PTR	216.153.216.201.intelnet.net.gt
201.216.153.225	PTR	225.153.216.201.intelnet.net.gt
201.216.153.230	PTR	230.153.216.201.intelnet.net.gt
201.216.154.1	PTR	1.154.216.201.intelnet.net.gt
201.216.154.2	PTR	2.154.216.201.intelnet.net.gt
201.216.154.45	A	energesa.com.gt
201.216.154.45	A	correo.nacionalagroindustrial.com
201.216.154.45	A	correo.asevensa.com.gt
201.216.154.64	PTR	64.154.216.201.intelnet.net.gt
201.216.154.115	PTR	115.154.216.201.intelnet.net.gt
201.216.154.211	PTR	211.154.216.201.intelnet.net.gt
201.216.155.90	PTR	90.155.216.201.intelnet.net.gt
201.216.155.176	PTR	176.155.216.201.intelnet.net.gt
201.216.155.194	PTR	194.155.216.201.intelnet.net.gt
201.216.155.201	PTR	201.155.216.201.intelnet.net.gt
201.216.156.92	PTR	92.156.216.201.intelnet.net.gt
201.216.156.109	PTR	109.156.216.201.intelnet.net.gt
201.216.156.144	PTR	144.156.216.201.intelnet.net.gt
201.216.156.183	PTR	183.156.216.201.intelnet.net.gt
201.216.156.195	PTR	195.156.216.201.intelnet.net.gt
201.216.158.11	PTR	11.158.216.201.intelnet.net.gt
201.216.158.14	PTR	14.158.216.201.intelnet.net.gt
201.216.158.84	PTR	84.158.216.201.intelnet.net.gt
201.216.158.107	PTR	107.158.216.201.intelnet.net.gt
201.216.158.119	PTR	119.158.216.201.intelnet.net.gt
201.216.158.127	PTR	127.158.216.201.intelnet.net.gt
201.216.158.139	PTR	139.158.216.201.intelnet.net.gt
201.216.158.144	PTR	144.158.216.201.intelnet.net.gt
201.216.158.148	PTR	148.158.216.201.intelnet.net.gt
201.216.158.152	PTR	152.158.216.201.intelnet.net.gt
201.216.158.173	PTR	173.158.216.201.intelnet.net.gt
201.216.158.229	PTR	229.158.216.201.intelnet.net.gt
201.216.158.247	PTR	247.158.216.201.intelnet.net.gt