Robtex

Up: 47.128.0.0/13
Can't show all results, try to descend to a more specific CIDR
Down left: 47.128.0.0/15
Down right: 47.130.0.0/15

IP	Type	Hostname
47.128.0.0	PTR	h0s0a128n47.user.nortelnetworks.com
47.128.9.0	PTR	h0s9a128n47.user.nortelnetworks.com
47.128.9.217	A	h217s9a128n47.user.nortelnetworks.com
47.128.15.2	PTR	h2s15a128n47.user.nortelnetworks.com
47.128.26.2	A	h2s26a128n47.user.nortelnetworks.com
47.128.28.2	PTR	ns1432.ztomy.com
47.128.30.96	A	h96s30a128n47.user.nortelnetworks.com
47.128.38.248	A	h248s38a128n47.user.nortelnetworks.com
47.128.42.75	A	h75s42a128n47.user.nortelnetworks.com
47.128.96.12	PTR	ns1432.ztomy.com
47.128.166.88	A	h88s166a128n47.user.nortelnetworks.com
47.129.25.87	PTR	h87s25a129n47.user.nortelnetworks.com
47.129.25.87	A	mailfilters.nortelnetworks.com
47.129.70.63	A	h63s70a129n47.user.nortelnetworks.com
47.129.110.20	A	h20s110a129n47.user.nortelnetworks.com
47.129.150.171	A	h171s150a129n47.user.nortelnetworks.com
47.129.189.2	PTR	h2s189a129n47.user.nortelnetworks.com
47.129.189.3	PTR	h3s189a129n47.user.nortelnetworks.com
47.129.235.2	A	h2s235a129n47.user.nortelnetworks.com
47.129.235.5	A	h5s235a129n47.user.nortelnetworks.com
47.129.235.8	A	h8s235a129n47.user.nortelnetworks.com
47.129.235.10	A	h10s235a129n47.user.nortelnetworks.com
47.129.236.1	A	h1s236a129n47.user.nortelnetworks.com
47.129.236.3	A	h3s236a129n47.user.nortelnetworks.com
47.129.236.6	A	h6s236a129n47.user.nortelnetworks.com
47.129.236.10	A	h10s236a129n47.user.nortelnetworks.com
47.129.240.5	A	h5s240a129n47.user.nortelnetworks.com
47.129.240.8	A	h8s240a129n47.user.nortelnetworks.com
47.129.240.11	A	h11s240a129n47.user.nortelnetworks.com
47.129.240.13	A	h13s240a129n47.user.nortelnetworks.com
47.130.2.2	PTR	h2s2a130n47.user.nortelnetworks.com
47.130.4.2	PTR	h2s4a130n47.user.nortelnetworks.com
47.130.8.0	PTR	h0s8a130n47.user.nortelnetworks.com
47.130.8.1	PTR	h1s8a130n47.user.nortelnetworks.com
47.130.8.2	PTR	h2s8a130n47.user.nortelnetworks.com
47.130.11.167	A	dseryuqirop.pw
47.130.12.1	PTR	h1s12a130n47.user.nortelnetworks.com
47.130.12.3	PTR	h3s12a130n47.user.nortelnetworks.com
47.130.16.33	A	rmtxuku.pw
47.130.20.3	PTR	h3s20a130n47.user.nortelnetworks.com
47.130.24.3	PTR	h3s24a130n47.user.nortelnetworks.com
47.130.28.1	PTR	h1s28a130n47.user.nortelnetworks.com
47.130.46.0	PTR	h0s46a130n47.user.nortelnetworks.com
47.130.48.0	PTR	h0s48a130n47.user.nortelnetworks.com
47.130.48.3	PTR	h3s48a130n47.user.nortelnetworks.com
47.130.52.1	PTR	h1s52a130n47.user.nortelnetworks.com
47.130.56.0	PTR	h0s56a130n47.user.nortelnetworks.com
47.130.64.131	A	cxgnkhgkqsh.pw
47.130.64.208	PTR	h208s64a130n47.user.nortelnetworks.com
47.130.65.1	PTR	h1s65a130n47.user.nortelnetworks.com
47.130.70.0	PTR	h0s70a130n47.user.nortelnetworks.com
47.130.70.2	PTR	h2s70a130n47.user.nortelnetworks.com
47.130.74.1	PTR	h1s74a130n47.user.nortelnetworks.com
47.130.76.0	PTR	h0s76a130n47.user.nortelnetworks.com
47.130.77.116	A	mail.filemaster4.pw
47.130.77.116	A	filemaster4.pw
47.130.77.116	A	www.filemaster4.pw
47.130.80.3	PTR	h3s80a130n47.user.nortelnetworks.com
47.130.93.1	PTR	h1s93a130n47.user.nortelnetworks.com
47.130.101.3	PTR	h3s101a130n47.user.nortelnetworks.com
47.130.110.0	PTR	h0s110a130n47.user.nortelnetworks.com
47.130.119.2	PTR	h2s119a130n47.user.nortelnetworks.com
47.130.119.3	PTR	h3s119a130n47.user.nortelnetworks.com
47.130.121.1	PTR	h1s121a130n47.user.nortelnetworks.com
47.130.125.2	PTR	h2s125a130n47.user.nortelnetworks.com
47.130.128.3	PTR	h3s128a130n47.user.nortelnetworks.com
47.130.134.2	PTR	h2s134a130n47.user.nortelnetworks.com
47.130.142.0	PTR	h0s142a130n47.user.nortelnetworks.com
47.130.142.1	PTR	h1s142a130n47.user.nortelnetworks.com
47.130.148.1	PTR	h1s148a130n47.user.nortelnetworks.com
47.130.156.0	PTR	h0s156a130n47.user.nortelnetworks.com
47.130.156.2	PTR	h2s156a130n47.user.nortelnetworks.com
47.130.162.2	PTR	h2s162a130n47.user.nortelnetworks.com
47.130.162.3	PTR	h3s162a130n47.user.nortelnetworks.com
47.130.167.68	A	ovmyttg.pw
47.130.169.0	PTR	h0s169a130n47.user.nortelnetworks.com
47.130.169.1	PTR	h1s169a130n47.user.nortelnetworks.com
47.130.174.1	PTR	h1s174a130n47.user.nortelnetworks.com
47.130.174.3	PTR	h3s174a130n47.user.nortelnetworks.com
47.130.177.0	PTR	h0s177a130n47.user.nortelnetworks.com
47.130.177.1	PTR	h1s177a130n47.user.nortelnetworks.com
47.130.177.99	A	npxmuixeysog.pw
47.130.181.0	PTR	h0s181a130n47.user.nortelnetworks.com
47.130.189.3	PTR	h3s189a130n47.user.nortelnetworks.com
47.130.196.3	PTR	h3s196a130n47.user.nortelnetworks.com
47.130.203.1	PTR	h1s203a130n47.user.nortelnetworks.com
47.130.203.3	PTR	h3s203a130n47.user.nortelnetworks.com
47.130.205.1	PTR	h1s205a130n47.user.nortelnetworks.com
47.130.205.2	PTR	h2s205a130n47.user.nortelnetworks.com
47.130.205.3	PTR	h3s205a130n47.user.nortelnetworks.com
47.130.209.2	A	h2s209a130n47.user.nortelnetworks.com
47.130.209.3	A	h3s209a130n47.user.nortelnetworks.com
47.130.209.5	A	h5s209a130n47.user.nortelnetworks.com
47.130.209.11	A	h11s209a130n47.user.nortelnetworks.com
47.130.212.1	PTR	h1s212a130n47.user.nortelnetworks.com
47.130.212.2	PTR	h2s212a130n47.user.nortelnetworks.com
47.130.220.3	PTR	h3s220a130n47.user.nortelnetworks.com
47.130.229.1	PTR	h1s229a130n47.user.nortelnetworks.com
47.130.229.2	PTR	h2s229a130n47.user.nortelnetworks.com
47.130.248.0	PTR	h0s248a130n47.user.nortelnetworks.com
47.130.248.2	PTR	h2s248a130n47.user.nortelnetworks.com
47.130.253.3	PTR	h3s253a130n47.user.nortelnetworks.com
47.131.16.2	A+PTR	h2s16a131n47.user.nortelnetworks.com
47.131.21.0	PTR	h0s21a131n47.user.nortelnetworks.com
47.131.21.2	PTR	h2s21a131n47.user.nortelnetworks.com