Robtex

Up: 2.16.56.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 2.16.56.0/25
Down right: 2.16.56.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
2.16.56.13	A	e2509.c.akamaiedge.net
2.16.56.21	A+PTR	a2-16-56-21.deploy.akamaitechnologies.com
2.16.56.23	PTR	a2-16-56-23.deploy.akamaitechnologies.com
2.16.56.27	A+PTR	a2-16-56-27.deploy.akamaitechnologies.com
2.16.56.27	A	e2530.b.akamaiedge.net
2.16.56.28	PTR	a2-16-56-28.deploy.static.akamaitechnologies.com
2.16.56.28	A	a2-16-56-28.deploy.akamaitechnologies.com
2.16.56.29	PTR	a2-16-56-29.deploy.static.akamaitechnologies.com
2.16.56.30	A	e19.e12.akamaiedge.net
2.16.56.33	A+PTR	a2-16-56-33.deploy.akamaitechnologies.com
2.16.56.33	A	e2540.b.akamaiedge.net
2.16.56.39	A+PTR	a2-16-56-39.deploy.akamaitechnologies.com
2.16.56.41	A+PTR	a2-16-56-41.deploy.akamaitechnologies.com
2.16.56.41	A	jack1031.ca
2.16.56.45	A+PTR	a2-16-56-45.deploy.akamaitechnologies.com
2.16.56.45	A	api.netbanx.com.edgekey.net
2.16.56.48	PTR	a2-16-56-48.deploy.static.akamaitechnologies.com
2.16.56.48	A	a2-16-56-48.deploy.akamaitechnologies.com
2.16.56.48	A	e2556.b.akamaiedge.net
2.16.56.52	A+PTR	a2-16-56-52.deploy.akamaitechnologies.com
2.16.56.52	A	e16641.b.akamaiedge.net
2.16.56.57	A+PTR	a2-16-56-57.deploy.akamaitechnologies.com
2.16.56.70	A	e2589.a.akamaiedge.net
2.16.56.71	A+PTR	a2-16-56-71.deploy.static.akamaitechnologies.com
2.16.56.76	A+PTR	a2-16-56-76.deploy.static.akamaitechnologies.com
2.16.56.84	A	solutionsauxcommercantstd.com
2.16.56.104	A+PTR	a2-16-56-104.deploy.akamaitechnologies.com
2.16.56.104	A	e2634.g.akamaiedge.net
2.16.56.107	PTR	a2-16-56-107.deploy.static.akamaitechnologies.com
2.16.56.107	A	a2-16-56-107.deploy.akamaitechnologies.com
2.16.56.107	A	e2637.dscb.akamaiedge.net
2.16.56.109	A+PTR	a2-16-56-109.deploy.akamaitechnologies.com
2.16.56.109	A	e2642.a.akamaiedge.net
2.16.56.112	A+PTR	a2-16-56-112.deploy.akamaitechnologies.com
2.16.56.112	A	e1274.f.akamaiedge.net
2.16.56.118	PTR	a2-16-56-118.deploy.static.akamaitechnologies.com
2.16.56.118	A	a2-16-56-118.deploy.akamaitechnologies.com
2.16.56.135	A+PTR	a2-16-56-135.deploy.akamaitechnologies.com
2.16.56.135	A	www.ebookers.fr
2.16.56.137	A+PTR	a2-16-56-137.deploy.static.akamaitechnologies.com
2.16.56.137	A	www.bwcaw.org
2.16.56.137	A	a2-16-56-137.deploy.akamaitechnologies.com
2.16.56.141	A+PTR	a2-16-56-141.deploy.akamaitechnologies.com
2.16.56.142	A+PTR	a2-16-56-142.deploy.static.akamaitechnologies.com
2.16.56.143	PTR	a2-16-56-143.deploy.akamaitechnologies.com
2.16.56.164	A+PTR	a2-16-56-164.deploy.akamaitechnologies.com
2.16.56.164	A	e2707.b.akamaiedge.net
2.16.56.166	A+PTR	a2-16-56-166.deploy.akamaitechnologies.com
2.16.56.166	A	e2710.p.akamaiedge.net
2.16.56.166	A	feeds.toolbar.live.com.edgekey.net
2.16.56.173	A+PTR	a2-16-56-173.deploy.akamaitechnologies.com
2.16.56.178	PTR	a2-16-56-178.deploy.static.akamaitechnologies.com
2.16.56.178	A	a2-16-56-178.deploy.akamaitechnologies.com
2.16.56.178	A	e2723.x.akamaiedge.net
2.16.56.187	PTR	a2-16-56-187.deploy.static.akamaitechnologies.com
2.16.56.187	A	a2-16-56-187.deploy.akamaitechnologies.com
2.16.56.187	A	e2734.a.akamaiedge.net
2.16.56.191	A+PTR	a2-16-56-191.deploy.static.akamaitechnologies.com
2.16.56.191	A	e3961.b.akamaiedge.net
2.16.56.194	A+PTR	a2-16-56-194.deploy.akamaitechnologies.com
2.16.56.195	PTR	a2-16-56-195.deploy.akamaitechnologies.com
2.16.56.206	A+PTR	a2-16-56-206.deploy.akamaitechnologies.com
2.16.56.215	A+PTR	a2-16-56-215.deploy.akamaitechnologies.com
2.16.56.216	PTR	a2-16-56-216.deploy.akamaitechnologies.com
2.16.56.227	PTR	a2-16-56-227.deploy.static.akamaitechnologies.com
2.16.56.227	A	a2-16-56-227.deploy.akamaitechnologies.com
2.16.56.228	A	staybridge.com
2.16.56.235	A	www.jobmagnet.com
2.16.56.240	A+PTR	a2-16-56-240.deploy.akamaitechnologies.com
2.16.56.244	PTR	a2-16-56-244.deploy.akamaitechnologies.com
2.16.56.248	PTR	a2-16-56-248.deploy.akamaitechnologies.com