Robtex

Up: 34.77.64.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 34.77.80.0/21
Down right: 34.77.88.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
34.77.81.98	A	pre.juntadeaccionistas.es
34.77.85.13	A+PTR	dns-3.br.de
34.77.85.35	A+PTR	35.85.77.34.bc.googleusercontent.com
34.77.85.35	A	rsie.net
34.77.85.124	PTR	124.85.77.34.bc.googleusercontent.com
34.77.85.124	A	matchupofficial.com
34.77.86.51	A	libradigitalmarketing.eu
34.77.86.167	PTR	167.86.77.34.bc.googleusercontent.com
34.77.86.167	A	gangdesintrovertis.com
34.77.87.28	A+PTR	28.87.77.34.bc.googleusercontent.com
34.77.87.28	A	track.effimailing2.com
34.77.87.28	A	track.effimailing12.com
34.77.88.176	PTR	176.88.77.34.bc.googleusercontent.com
34.77.89.184	A+PTR	184.89.77.34.bc.googleusercontent.com
34.77.89.184	A	booostea.com
34.77.91.86	PTR	86.91.77.34.bc.googleusercontent.com
34.77.91.86	A	arkasistem.com
34.77.91.138	PTR	138.91.77.34.bc.googleusercontent.com
34.77.91.138	A	abawnl.com
34.77.93.34	A+PTR	34.93.77.34.bc.googleusercontent.com
34.77.93.34	A	medoriantales.com
34.77.94.134	A+PTR	134.94.77.34.bc.googleusercontent.com