PTR records for all the quad octet IP addresses
| kenneth@shell:~$ for I in `seq 1 223`; do host $I.$I.$I.$I | grep -Ev '(^;;|NXDOMAIN|SERVFAIL)'; done | |
| 1.1.1.1.in-addr.arpa domain name pointer 1dot1dot1dot1.cloudflare-dns.com. | |
| 8.8.8.8.in-addr.arpa domain name pointer google-public-dns-a.google.com. | |
| 9.9.9.9.in-addr.arpa domain name pointer dns.quad9.net. | |
| 14.14.14.14.in-addr.arpa domain name pointer host14-14-14-14.tvm.ne.jp. | |
| 16.16.16.16.in-addr.arpa domain name pointer ldtools.gre.hp.com. | |
| 23.23.23.23.in-addr.arpa domain name pointer select.zone. | |
| 31.31.31.31.in-addr.arpa domain name pointer 31.31.31.31.dyn.idknet.com. | |
| 41.41.41.41.in-addr.arpa domain name pointer host-41.41.41.41.tedata.net. | |
| 45.45.45.45.in-addr.arpa domain name pointer modemcable045.45-45-45.mc.videotron.ca. | |
| 47.47.47.47.in-addr.arpa domain name pointer 47-47-47-47.static.stls.mo.charter.com. | |
| 49.49.49.49.in-addr.arpa domain name pointer mx-ll-49.49.49-49.dynamic.3bb.co.th. | |
| 50.50.50.50.in-addr.arpa domain name pointer static-50-50-50-50.arr01.waus.wi.frontiernet.net. | |
| 52.52.52.52.in-addr.arpa domain name pointer ec2-52-52-52-52.us-west-1.compute.amazonaws.com. | |
| 60.60.60.60.in-addr.arpa domain name pointer 60-60-60-60.rev.home.ne.jp. | |
| 65.65.65.65.in-addr.arpa domain name pointer adsl-65-65-65-65.dsl.rcsntx.swbell.net. | |
| 66.66.66.66.in-addr.arpa domain name pointer cpe-66-66-66-66.rochester.res.rr.com. | |
| 68.68.68.68.in-addr.arpa domain name pointer fttu-68-68-68-068.bvunet.net. | |
| 69.69.69.69.in-addr.arpa domain name pointer nj-69-69-69-69.sta.embarqhsd.net. | |
| 71.71.71.71.in-addr.arpa domain name pointer 071-071-071-071.res.spectrum.com. | |
| 72.72.72.72.in-addr.arpa domain name pointer static-72-72-72-72.bstnma.east.verizon.net. | |
| 73.73.73.73.in-addr.arpa domain name pointer c-73-73-73-73.hsd1.il.comcast.net. | |
| 74.74.74.74.in-addr.arpa domain name pointer cpe-74-74-74-74.stny.res.rr.com. | |
| 75.75.75.75.in-addr.arpa domain name pointer cdns01.comcast.net. | |
| 76.76.76.76.in-addr.arpa domain name pointer lo0-rtc-svw.nco.riseb.net. | |
| 77.77.77.77.in-addr.arpa domain name pointer ns3.hiweb.ir. | |
| 78.78.78.78.in-addr.arpa domain name pointer host-78-78-78-78.mobileonline.telia.com. | |
| 79.79.79.79.in-addr.arpa domain name pointer public-dns-a.as9105.net. | |
| 82.82.82.82.in-addr.arpa domain name pointer dslc-082-082-082-082.pools.arcor-ip.net. | |
| 83.83.83.83.in-addr.arpa domain name pointer 53535353.cm-6-4b.dynamic.ziggo.nl. | |
| 84.84.84.84.in-addr.arpa domain name pointer ip54545454.speed.planet.nl. | |
| 85.85.85.85.in-addr.arpa domain name pointer 85.85-85-85.dynamic.clientes.euskaltel.es. | |
| 86.86.86.86.in-addr.arpa domain name pointer ip56565656.adsl-surfen.hetnet.nl. | |
| 87.87.87.87.in-addr.arpa domain name pointer ip-87-87-87-87.easynet.co.uk. | |
| 89.89.89.89.in-addr.arpa domain name pointer vig38-h03-89-89-89-89.dsl.sta.abo.bbox.fr. | |
| 90.90.90.90.in-addr.arpa domain name pointer LFbn-1-12791-90.w90-90.abo.wanadoo.fr. | |
| 91.91.91.91.in-addr.arpa domain name pointer 91.91.91.91.rev.sfr.net. | |
| 92.92.92.92.in-addr.arpa domain name pointer 92.92.92.92.rev.sfr.net. | |
| 93.93.93.93.in-addr.arpa domain name pointer ns.ngenix.net. | |
| 94.94.94.94.in-addr.arpa domain name pointer host94-94-static.94-94-b.business.telecomitalia.it. | |
| 95.95.95.95.in-addr.arpa domain name pointer a95-95-95-95.cpe.netcabo.pt. | |
| 97.97.97.97.in-addr.arpa domain name pointer 97-97-97-97.res.bhn.net. | |
| 99.99.99.99.in-addr.arpa domain name pointer dnsr4.sbcglobal.net. | |
| 101.101.101.101.in-addr.arpa domain name pointer twnic-public-dns.twnic.tw. | |
| 104.104.104.104.in-addr.arpa domain name pointer a104-104-104-104.deploy.static.akamaitechnologies.com. | |
| 106.106.106.106.in-addr.arpa domain name pointer 106.106.106.106.adsl.dynamic.seed.net.tw. | |
| 107.107.107.107.in-addr.arpa domain name pointer mobile-107-107-107-107.mycingular.net. | |
| 108.108.108.108.in-addr.arpa domain name pointer ip-108-108-108-108.ftwttx.spcsdns.net. | |
| 109.109.109.109.in-addr.arpa domain name pointer ip6d6d6d6d.static.cbizz.nl. | |
| 112.112.112.112.in-addr.arpa domain name pointer 112.112.112.112.broad.km.yn.dynamic.163data.com.cn. | |
| 114.114.114.114.in-addr.arpa domain name pointer public1.114dns.com. | |
| 115.115.115.115.in-addr.arpa domain name pointer 115.115.115.115.Static-Bangalore.tcl.net.in. | |
| 122.122.122.122.in-addr.arpa domain name pointer 122-122-122-122.dynamic-ip.hinet.net. | |
| 126.126.126.126.in-addr.arpa domain name pointer softbank126126126126.bbtec.net. | |
| 130.130.130.130.in-addr.arpa domain name pointer law-67-130-130.uow.edu.au. | |
| 131.131.131.131.in-addr.arpa domain name pointer pooh.is.dyncorp.com. | |
| 145.145.145.145.in-addr.arpa domain name pointer Multicast-RendezvousPoint.surf.net. | |
| 147.147.147.147.in-addr.arpa domain name pointer 147.147.147.147.dyn.plus.net. | |
| 153.153.153.153.in-addr.arpa domain name pointer 153-153-153-153-revip-default.153.153.153.in-addr.arpa. | |
| 157.157.157.157.in-addr.arpa domain name pointer 157-157-157-157.static.simnet.is. | |
| 166.166.166.166.in-addr.arpa domain name pointer 166.sub-166-166-166.myvzw.com. | |
| 172.172.172.172.in-addr.arpa domain name pointer ACACACAC.ipt.aol.com. | |
| 173.173.173.173.in-addr.arpa domain name pointer cpe-173-173-173-173.rgv.res.rr.com. | |
| 177.177.177.177.in-addr.arpa domain name pointer 177-177-177-177.user.veloxzone.com.br. | |
| 178.178.178.178.in-addr.arpa domain name pointer client.yota.ru. | |
| 179.179.179.179.in-addr.arpa domain name pointer 179.179.179.179.dynamic.adsl.gvt.net.br. | |
| 180.180.180.180.in-addr.arpa domain name pointer node-zp0.pool-180-180.dynamic.totbb.net. | |
| 181.181.181.181.in-addr.arpa domain name pointer 181-181-181-181.genericrev.telcel.net.ve. | |
| 183.183.183.183.in-addr.arpa domain name pointer 183.183.183.183.rev.mow.ad.jp. | |
| 184.184.184.184.in-addr.arpa domain name pointer ip184-184-184-184.br.br.cox.net. | |
| 186.186.186.186.in-addr.arpa domain name pointer 186-186-186-186.genericrev.telcel.net.ve. | |
| 187.187.187.187.in-addr.arpa domain name pointer customer-mred-187.static.metrored.net.mx. | |
| 189.189.189.189.in-addr.arpa domain name pointer dsl-189-189-189-189-dyn.prod-infinitum.com.mx. | |
| 190.190.190.190.in-addr.arpa domain name pointer 190-190-190-190.cab.prima.net.ar. | |
| 192.192.192.192.in-addr.arpa domain name pointer medmgmt-192.tajen.edu.tw. | |
| 195.195.195.195.in-addr.arpa domain name pointer no-reverse-defined.solgrid.org.uk. | |
| 197.197.197.197.in-addr.arpa domain name pointer host-197.197.197.197.etisalat.com.eg. | |
| 199.199.199.199.in-addr.arpa domain name pointer NS1.Shane.co. | |
| 203.203.203.203.in-addr.arpa domain name pointer host-203-203-203-203.dynamic.kbtelecom.net. | |
| 207.207.207.207.in-addr.arpa domain name pointer user207-207-207-207.netcarrier.net. | |
| 208.208.208.208.in-addr.arpa domain name pointer ns1648.ztomy.com. | |
| 213.213.213.213.in-addr.arpa domain name pointer host-213-213-213-213.dynamic.voo.be. | |
| 216.216.216.216.in-addr.arpa domain name pointer 216.216.216.216.transedge.com. | |
| 217.217.217.217.in-addr.arpa domain name pointer 217.217.217.217.dyn.user.ono.com. | |
| 218.218.218.218.in-addr.arpa domain name pointer EATcf-131p218.ppp15.odn.ne.jp. | |
| 220.220.220.220.in-addr.arpa domain name pointer i220-220-220-220.s41.a013.ap.plala.or.jp. |
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