Robtex

Up: 27.54.80.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 27.54.80.0/25
Down right: 27.54.80.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
27.54.80.0	PTR	server-0-r36.ipv4.au.syrahost.com
27.54.80.1	PTR	rt.per.syra.net.au
27.54.80.3	PTR	fail2ban.au.syrahost.com
27.54.80.3	A	plesk4.au.syrahost.com
27.54.80.7	PTR	cpanel9-temp.au.syrahost.com
27.54.80.8	A	mail.canterburycourtyards.com.au
27.54.80.10	A+PTR	rt.au.syrahost.com
27.54.80.10	A	rt.per.syra.net.au
27.54.80.18	PTR	kosta.development.au.syrahost.com
27.54.80.33	A	hyperv-i.syra.com.au
27.54.80.36	A+PTR	hypervclusteri.syra.com.au
27.54.80.37	PTR	rsl-cp7.au.syrahost.com
27.54.80.37	A	mail.studio5schoolofdance.com
27.54.80.37	A	mx2.pethq.com.au
27.54.80.38	A+PTR	ssportal.syra.com.au
27.54.80.41	PTR	server-15-r35.ipv4.per01.ds.network
27.54.80.41	A	webcloud41.au.syrahost.com
27.54.80.46	PTR	webcloud48.au.syrahost.com
27.54.80.46	A	mail.hardlinesecurity.com.au
27.54.80.46	A	mail.peteslotion.com.au
27.54.80.48	A+PTR	webcloud50.au.syrahost.com
27.54.80.51	PTR	webcloud51.au.syrahost.com
27.54.80.52	PTR	webcloud52.au.syrahost.com
27.54.80.52	A	mail.bibliotherapyaustralia.com.au
27.54.80.52	A	mail.better-access.com
27.54.80.53	A+PTR	webcloud53.au.syrahost.com
27.54.80.54	PTR	webcloud54.au.syrahost.com
27.54.80.54	A	mail.raiains.com.au
27.54.80.54	A	mail.indusvillage.com.au
27.54.80.57	PTR	mail.exchangecloud.com.au
27.54.80.57	A	mail.canterburycourtyards.com.au
27.54.80.58	A+PTR	designers.au.syrahost.com
27.54.80.59	PTR	webcloud56.au.syrahost.com
27.54.80.59	A	mail.dapperdanphotography.com
27.54.80.59	A	mail.apoapp.com.au
27.54.80.63	A+PTR	cloudexch1.syrahost.com
27.54.80.63	A	mail.armstrong.com.au
27.54.80.64	PTR	mail.exchangecloud.com.au
27.54.80.64	A	mail.armstrong.com.au
27.54.80.64	A	cloudexch2.syrahost.com
27.54.80.65	PTR	mail.exchangecloud.com.au
27.54.80.65	A	mail.musclecars.com.au
27.54.80.65	A	mail.dannyatme.com
27.54.80.66	PTR	syssql-backups.au.syrahost.com
27.54.80.71	PTR	ns1.exchangecloud.com.au
27.54.80.72	PTR	ns2.exchangecloud.com.au
27.54.80.75	A+PTR	webcloud57.au.syrahost.com
27.54.80.75	A	mail.pbcsa.com.au
27.54.80.75	A	mail.youlissys.com
27.54.80.77	PTR	webcloud58.au.syrahost.com
27.54.80.77	A	mail.antographer.com.au
27.54.80.77	A	m.iconicphotography.net
27.54.80.78	PTR	webcloud60.au.syrahost.com
27.54.80.78	A	mail.legs.org.au
27.54.80.78	A	mail.lucyjames.net
27.54.80.79	A	mail.whatstheplan.net
27.54.80.79	A	mail.tanksecqld.com.au
27.54.80.79	A	mail.saretta.com.au
27.54.80.86	PTR	wincloud8.au.syrahost.com
27.54.80.86	A	nixkey.com
27.54.80.86	A	jamiesclean.com
27.54.80.94	PTR	webcloud59.au.syrahost.com
27.54.80.94	A	mail.fixedr6.com
27.54.80.94	A	mail.celebratzio.net
27.54.80.95	A+PTR	webcloud95.au.syrahost.com
27.54.80.101	A+PTR	webcloud1.development.au.syrahost.com
27.54.80.101	A	gggggggggggsf.net
27.54.80.101	A	dzbooks.com.au
27.54.80.131	PTR	webcloud96.au.syrahost.com
27.54.80.131	A	jonathan.development.au.syrahost.com
27.54.80.143	A	halon.au.syrahost.com
27.54.80.150	PTR	exchange.per.syra.net.au
27.54.80.150	A	mail.crazydomains.com.au
27.54.80.150	A	mail.privateregistryauthority.com
27.54.80.167	PTR	vs8.au.syrahost.com
27.54.80.167	A	spamexperts01.au.syrahost.com
27.54.80.187	A	webcloud75.au.syrahost.com
27.54.80.197	A	filter1.au.syrahost.com
27.54.80.211	PTR	wp-cp1.development.au.syrahost.com
27.54.80.211	A	radarmagazine.com.au
27.54.80.211	A	wp-test-carzy-hooks.com
27.54.80.221	PTR	payexpress2.per01.ds.network
27.54.80.221	A	mail.ryandaykin.com
27.54.80.221	A	mail.creditelect.com
27.54.80.239	PTR	webcloud82.au.syrahost.com
27.54.80.239	A	mail.formulacatamarans.com
27.54.80.239	A	mail.nathanswebdesign.com
27.54.80.244	PTR	mail.exchangecloud.com.au
27.54.80.244	A	mail.canterburycourtyards.com.au
27.54.80.246	PTR	email.dreamscapenetworks.com
27.54.80.246	A	exch02-au.dreamscapenetworks.com
27.54.80.247	PTR	server-6v-r35.ipv4.per01.ds.network
27.54.80.247	A	exch01-au.dreamscapenetworks.com
27.54.80.253	A	webcloud78.au.syrahost.com