Robtex

Up: 81.226.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 81.226.136.0/22
Down right: 81.226.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
81.226.137.9	A+PTR	81-226-137-9-no79.tbcn.telia.com
81.226.137.18	A+PTR	81-226-137-18-no79.tbcn.telia.com
81.226.137.19	A+PTR	81-226-137-19-no79.tbcn.telia.com
81.226.137.23	A	81-226-137-23-no79.tbcn.telia.com
81.226.137.25	A+PTR	81-226-137-25-no79.tbcn.telia.com
81.226.137.26	A+PTR	81-226-137-26-no79.tbcn.telia.com
81.226.137.28	A	81-226-137-28-no79.tbcn.telia.com
81.226.137.36	A	81-226-137-36-no79.tbcn.telia.com
81.226.137.38	A	81-226-137-38-no79.tbcn.telia.com
81.226.137.41	A+PTR	81-226-137-41-no79.tbcn.telia.com
81.226.137.43	A+PTR	81-226-137-43-no79.tbcn.telia.com
81.226.137.45	A	81-226-137-45-no79.tbcn.telia.com
81.226.137.48	A+PTR	81-226-137-48-no79.tbcn.telia.com
81.226.137.49	A+PTR	81-226-137-49-no79.tbcn.telia.com
81.226.137.53	A	81-226-137-53-no79.tbcn.telia.com
81.226.137.55	A	81-226-137-55-no79.tbcn.telia.com
81.226.137.58	A+PTR	81-226-137-58-no79.tbcn.telia.com
81.226.137.59	A+PTR	81-226-137-59-no79.tbcn.telia.com
81.226.137.60	A	81-226-137-60-no79.tbcn.telia.com
81.226.137.63	A	81-226-137-63-no79.tbcn.telia.com
81.226.137.65	A+PTR	81-226-137-65-no79.tbcn.telia.com
81.226.137.68	A	81-226-137-68-no79.tbcn.telia.com
81.226.137.74	A+PTR	81-226-137-74-no79.tbcn.telia.com
81.226.137.85	A	81-226-137-85-no79.tbcn.telia.com
81.226.137.89	A+PTR	81-226-137-89-no79.tbcn.telia.com
81.226.137.97	A+PTR	81-226-137-97-no79.tbcn.telia.com
81.226.137.100	A	81-226-137-100-no79.tbcn.telia.com
81.226.137.106	A+PTR	81-226-137-106-no79.tbcn.telia.com
81.226.137.107	A+PTR	81-226-137-107-no79.tbcn.telia.com
81.226.137.108	A	81-226-137-108-no79.tbcn.telia.com
81.226.137.110	A	81-226-137-110-no79.tbcn.telia.com
81.226.137.115	A+PTR	81-226-137-115-no79.tbcn.telia.com
81.226.137.118	A	81-226-137-118-no79.tbcn.telia.com
81.226.137.122	A+PTR	81-226-137-122-no79.tbcn.telia.com
81.226.137.123	A+PTR	81-226-137-123-no79.tbcn.telia.com
81.226.137.124	A	81-226-137-124-no79.tbcn.telia.com
81.226.137.125	A	81-226-137-125-no79.tbcn.telia.com
81.226.137.132	A+PTR	81-226-137-132-no79.tbcn.telia.com
81.226.137.135	A	81-226-137-135-no79.tbcn.telia.com
81.226.137.137	A+PTR	81-226-137-137-no79.tbcn.telia.com
81.226.137.143	A	81-226-137-143-no79.tbcn.telia.com
81.226.137.158	A	81-226-137-158-no79.tbcn.telia.com
81.226.137.163	A+PTR	81-226-137-163-no79.tbcn.telia.com
81.226.137.166	A	81-226-137-166-no79.tbcn.telia.com
81.226.137.174	A	81-226-137-174-no79.tbcn.telia.com
81.226.137.175	A	81-226-137-175-no79.tbcn.telia.com
81.226.137.181	A	81-226-137-181-no79.tbcn.telia.com
81.226.137.182	A	81-226-137-182-no79.tbcn.telia.com
81.226.137.184	A+PTR	81-226-137-184-no79.tbcn.telia.com
81.226.137.188	A	81-226-137-188-no79.tbcn.telia.com
81.226.137.189	A	81-226-137-189-no79.tbcn.telia.com
81.226.137.191	A	81-226-137-191-no79.tbcn.telia.com
81.226.137.192	A+PTR	81-226-137-192-no79.tbcn.telia.com
81.226.137.195	A+PTR	81-226-137-195-no79.tbcn.telia.com
81.226.137.197	A	81-226-137-197-no79.tbcn.telia.com
81.226.137.199	A	81-226-137-199-no79.tbcn.telia.com
81.226.137.205	A	81-226-137-205-no79.tbcn.telia.com
81.226.137.206	A	81-226-137-206-no79.tbcn.telia.com
81.226.137.220	A	81-226-137-220-no79.tbcn.telia.com
81.226.137.224	A+PTR	81-226-137-224-no79.tbcn.telia.com
81.226.137.231	A	81-226-137-231-no79.tbcn.telia.com
81.226.137.235	A+PTR	81-226-137-235-no79.tbcn.telia.com
81.226.137.248	A+PTR	81-226-137-248-no79.tbcn.telia.com
81.226.137.252	A	81-226-137-252-no79.tbcn.telia.com
81.226.137.254	A	81-226-137-254-no79.tbcn.telia.com
81.226.138.92	A	dose.se
81.226.138.224	A	syntexa.com
81.226.139.3	A	aprnt.se
81.226.139.75	PTR	81-226-139-75-no209.digitaltv.telia.com
81.226.140.6	A	dev.twod.se
81.226.140.57	A+PTR	81-226-140-57-no162.tbcn.telia.com
81.226.140.59	A+PTR	81-226-140-59-no162.tbcn.telia.com
81.226.140.88	A+PTR	81-226-140-88-no162.tbcn.telia.com
81.226.140.125	A	81-226-140-125-no162.tbcn.telia.com
81.226.140.166	A	81-226-140-166-no41.tbcn.telia.com
81.226.140.172	A	firmalarsstjarnborg.se
81.226.140.172	A	bilskroten.eu
81.226.140.172	A	taniform.se
81.226.140.195	A+PTR	81-226-140-195-no41.tbcn.telia.com
81.226.140.232	A+PTR	81-226-140-232-no41.tbcn.telia.com
81.226.141.9	A+PTR	h9n4-nt-a12.ias.bredband.telia.com
81.226.141.23	A	datortjanster.com
81.226.141.23	A	easypc.se
81.226.141.210	A	engblom.org
81.226.141.210	A	jrepository.engblom.org
81.226.142.222	A	grodis.se
81.226.143.40	A+PTR	h40n7-oes-a31.ias.bredband.telia.com
81.226.143.123	A	oscarakermotattoos.com