Robtex

Up: 77.88.54.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 77.88.55.0/25
Down right: 77.88.55.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
77.88.55.50	PTR	yandex.ru
77.88.55.50	A	www.yandex.ru
77.88.55.50	A	www.garaev.biz
77.88.55.55	PTR	yandex.ru
77.88.55.55	A	mail.cardserver.pp.ua
77.88.55.55	A	virthost.org
77.88.55.60	A+PTR	yandex.ru
77.88.55.60	A	www.garaev.biz
77.88.55.60	A	logysgoods.racing
77.88.55.66	A+PTR	yandex.ru
77.88.55.66	A	www.yandex.ru
77.88.55.66	A	xn--e1aihik.xn--p1ai
77.88.55.70	PTR	yandex.ru
77.88.55.70	A	www.yandex.ru
77.88.55.70	A	yandex.tj
77.88.55.77	A+PTR	yandex.ru
77.88.55.77	A	yandex.com.ge
77.88.55.77	A	xn--2017-83d2cappbm0b1b0h.xn--p1acf
77.88.55.80	PTR	yandex.ru
77.88.55.80	A	yandex.com.ge
77.88.55.80	A	yandex.eu
77.88.55.88	A+PTR	yandex.ru
77.88.55.88	A	www.l2zone.ru
77.88.55.88	A	xn--80adkkcaf1achbfzihai5i.xn--p1ai