Robtex

Up: 203.153.99.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 203.153.99.0/26
Down right: 203.153.99.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.153.99.1	A	ip-1-99-net.express.net.id
203.153.99.4	A	ip-4-99-net.express.net.id
203.153.99.5	A+PTR	makan.hati.co
203.153.99.5	A	ip-5-99-net.express.net.id
203.153.99.5	A	hati.co
203.153.99.6	A	ip-6-99-net.express.net.id
203.153.99.8	PTR	ip-8-99-static.velo.net.id
203.153.99.8	A	ip-8-99-net.express.net.id
203.153.99.13	PTR	ip-13-99-static.velo.net.id
203.153.99.13	A	ip-13-99-net.express.net.id
203.153.99.15	A	ip-15-99-net.express.net.id
203.153.99.19	PTR	ip-19-99-static.velo.net.id
203.153.99.20	PTR	ip-20-99-static.velo.net.id
203.153.99.21	PTR	ip-21-99-static.velo.net.id
203.153.99.21	A	ip-21-99-net.express.net.id
203.153.99.23	A	ip-23-99-net.express.net.id
203.153.99.25	PTR	ip-25-99-static.velo.net.id
203.153.99.25	A	ip-25-99-net.express.net.id
203.153.99.26	A+PTR	mail.cardig-express.com
203.153.99.26	A	ip-26-99-net.express.net.id
203.153.99.26	A	*.cardig-express.com
203.153.99.29	A+PTR	mail.cardig-express.com
203.153.99.29	A	*.cardig-express.com
203.153.99.29	A	ip-29-99-net.express.net.id
203.153.99.30	PTR	ip-30-99-static.velo.net.id
203.153.99.30	A	ip-30-99-net.express.net.id
203.153.99.31	A	ip-31-99-net.express.net.id
203.153.99.34	PTR	ip-34-99-static.velo.net.id
203.153.99.37	PTR	ip-37-99-static.velo.net.id
203.153.99.37	A	ip-37-99-net.express.net.id
203.153.99.40	PTR	ip-40-99-static.velo.net.id
203.153.99.44	PTR	ip-44-99-static.velo.net.id
203.153.99.45	PTR	ip-45-99-static.velo.net.id
203.153.99.46	PTR	ip-46-99-static.velo.net.id
203.153.99.46	A	ip-46-99-net.express.net.id
203.153.99.49	PTR	ip-49-99-static.velo.net.id
203.153.99.64	A	ip-64-99-net.express.net.id
203.153.99.66	PTR	ip-66-99-static.velo.net.id
203.153.99.67	PTR	ip-67-99-static.velo.net.id
203.153.99.68	PTR	ip-68-99-static.velo.net.id
203.153.99.72	A	ip-72-99-net.express.net.id
203.153.99.73	PTR	ip-73-99-static.velo.net.id
203.153.99.73	A	ip-73-99-net.express.net.id
203.153.99.74	A	ip-74-99-net.express.net.id
203.153.99.77	A	ip-77-99-net.express.net.id
203.153.99.78	A	ip-78-99-net.express.net.id
203.153.99.80	A	ip-80-99-net.express.net.id
203.153.99.82	PTR	ip-82-99-static.velo.net.id
203.153.99.84	PTR	ip-84-99-static.velo.net.id
203.153.99.84	A	ip-84-99-net.express.net.id
203.153.99.86	PTR	ip-86-99-static.velo.net.id
203.153.99.86	A	ip-86-99-net.express.net.id
203.153.99.89	A	ip-89-99-net.express.net.id
203.153.99.90	PTR	mail.micra-indo.org
203.153.99.92	A	ip-92-99-net.express.net.id
203.153.99.94	PTR	ip-94-99-static.velo.net.id
203.153.99.96	A	ip-96-99-net.express.net.id
203.153.99.97	PTR	ip-97-99-static.velo.net.id
203.153.99.100	A+PTR	smtp.velo.net.id
203.153.99.100	A	smtp.net2cyber.net
203.153.99.100	A	mx1.net2cyber.net
203.153.99.101	A	ip-101-99-net.express.net.id
203.153.99.102	A	ip-102-99-net.express.net.id
203.153.99.103	A	ip-103-99-net.express.net.id
203.153.99.104	A	ip-104-99-net.express.net.id
203.153.99.104	A	dnsma.velo.net.id
203.153.99.105	A+PTR	smtp2-out.velo.net.id
203.153.99.106	A+PTR	mx-cluster.velo.net.id
203.153.99.106	A	smtp-in.seahorse.co.id
203.153.99.106	A	mx-cluster.idinamik.com
203.153.99.107	PTR	ip-107-99-static.velo.net.id
203.153.99.107	A	ip-107-99-net.express.net.id
203.153.99.109	PTR	ip-109-99-static.velo.net.id
203.153.99.109	A	ip-109-99-net.express.net.id
203.153.99.110	A	ip-110-99-net.express.net.id
203.153.99.111	A	ip-111-99-net.express.net.id
203.153.99.113	A+PTR	dnsr10.velo.net.id
203.153.99.113	A	ip-113-99-net.express.net.id
203.153.99.118	PTR	ip-118-99-static.velo.net.id
203.153.99.119	PTR	ip-119-99-static.velo.net.id
203.153.99.119	A	ip-119-99-net.express.net.id
203.153.99.120	A+PTR	ns4.net2cyber.net
203.153.99.120	A	ip-120-99-net.express.net.id
203.153.99.120	A	ns2.velo.net.id
203.153.99.122	A+PTR	ns3.net2cyber.net
203.153.99.122	A	kuta.net2cyber.web.id
203.153.99.122	A	ns1.twistedshells.com
203.153.99.123	A+PTR	mailhnr4.velo.net.id
203.153.99.123	A	mx-backup.adyawinsa.com
203.153.99.123	A	mx-backup.fujipresisi.com
203.153.99.124	PTR	ip-124-99-static.velo.net.id
203.153.99.125	A+PTR	ns2.net2cyber.net
203.153.99.125	A	ip-125-99-net.express.net.id
203.153.99.125	A	serafim.widagdo.com
203.153.99.126	PTR	ip-126-99-static.velo.net.id
203.153.99.126	A	ip-126-99-net.express.net.id
203.153.99.127	A	ip-127-99-net.express.net.id