Robtex

Up: 46.31.48.0/21
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Down left: 46.31.52.0/23
Down right: 46.31.54.0/23

IP	Type	Hostname
46.31.52.0	PTR	blk-46-31-52-0.brightbase.net
46.31.52.1	PTR	smta1.brightbase.net
46.31.52.2	PTR	smta2.brightbase.net
46.31.52.3	PTR	smta3.brightbase.net
46.31.52.4	A+PTR	smta4.brightbase.net
46.31.52.5	A+PTR	smta5.brightbase.net
46.31.52.6	A	smta6.brightbase.net
46.31.52.7	A+PTR	smta7.brightbase.net
46.31.52.8	A	smta8.brightbase.net
46.31.52.9	A+PTR	smta9.brightbase.net
46.31.52.10	A	smta10.brightbase.net
46.31.52.11	A+PTR	smta11.brightbase.net
46.31.52.12	A	smta12.brightbase.net
46.31.52.13	A	smta13.brightbase.net
46.31.52.14	A	smta14.brightbase.net
46.31.52.15	A+PTR	smta15.brightbase.net
46.31.52.19	A+PTR	smta19.brightbase.net
46.31.52.20	A+PTR	smta20.brightbase.net
46.31.52.22	A	smta22.brightbase.net
46.31.52.23	PTR	smta23.brightbase.net
46.31.52.24	A	smta24.brightbase.net
46.31.52.27	A	smta27.brightbase.net
46.31.52.28	A	smta28.brightbase.net
46.31.52.30	A+PTR	smta30.brightbase.net
46.31.52.69	PTR	smta69.brightbase.net
46.31.52.130	A+PTR	smta130.brightbase.net
46.31.52.131	A+PTR	smta131.brightbase.net
46.31.52.132	A+PTR	smta132.brightbase.net
46.31.52.133	A+PTR	smta133.brightbase.net
46.31.52.134	A+PTR	smta134.brightbase.net
46.31.52.144	PTR	smta144.brightbase.net
46.31.53.1	A	dmta1.brightbase.net
46.31.53.5	A+PTR	dmta5.brightbase.net
46.31.53.6	A	dmta6.brightbase.net
46.31.53.8	PTR	dmta8.brightbase.net
46.31.53.9	A	dmta9.brightbase.net
46.31.53.10	A	dmta10.brightbase.net
46.31.53.11	A	dmta11.brightbase.net
46.31.53.13	A+PTR	dmta13.brightbase.net
46.31.53.14	A	dmta14.brightbase.net
46.31.53.18	A	dmta18.brightbase.net
46.31.53.44	PTR	dmta44.brightbase.net
46.31.53.69	PTR	dmta69.brightbase.net
46.31.53.255	PTR	bcast-46-31-52-0.brightbase.net
46.31.54.0	PTR	blk-46-31-54-0.brightbase.net
46.31.55.252	PTR	fw1.en2.brightbase.net
46.31.55.255	PTR	bcast-46-31-54-0.brightbase.net