⌂ IP Address Info - 2001:18d8::35

Tools:
Subnet:

2001:18d8::/48

Reverse DNS (PTR):

ext-ns1.columbia.edu

Reverse DNS Zone:

8.d.8.1.1.0.0.2.ip6.arpa

Authoritative NS:

auth1.dns.cogentco.com [66.28.0.14] [2001:550:1:a::d]
auth2.dns.cogentco.com [66.28.0.30] [2001:550:1:b::d]
ext-ns1.columbia.edu [128.59.1.1] [2001:18d8:1::1:1] [2001:18d8::35]

Names that resolve
to this address:
(1)

ext-ns1.columbia.edu

Last crawled:

2025-12-14 08:08:28 +0000