Summary
| ASN | AS13037 Zen Internet Ltd |
| BGP | 212.23.0.0/19 |
| IPs with RDNS | 256 |
| Hosted Domains | 0 |
| Pingable IPs | 47 |
| Router IPs | 0 |
| 212.23.1.0 | ncw-212-23-1-0.zen.co.uk | 0 |  | |
| 212.23.1.1 | smarthost01a.sbp.mail.zen.net.uk | 0 |  | |
| 212.23.1.2 | smarthost01a.mail.zen.net.uk | 0 | | |
| 212.23.1.3 | smarthost01b.sbp.mail.zen.net.uk | 0 | | |
| 212.23.1.4 | smarthost01b.mail.zen.net.uk | 0 | | |
| 212.23.1.5 | smarthost01c.sbp.mail.zen.net.uk | 0 | | |
| 212.23.1.6 | smarthost01c.mail.zen.net.uk | 0 | | |
| 212.23.1.7 | smarthost01d.mail.zen.net.uk | 0 | | |
| 212.23.1.8 | smarthost01d-1.mail.zen.net.uk | 0 | | |
| 212.23.1.9 | smarthost01e.mail.zen.net.uk | 0 | | |
| 212.23.1.10 | exchangesmtp01b.mail.zen.net.uk | 0 | | |
| 212.23.1.11 | smarthost01.mail.zen.net.uk | 0 | | |
| 212.23.1.12 | lvs02c.mail.zen.net.uk | 0 | | |
| 212.23.1.13 | lvs02d.mail.zen.net.uk | 0 | | |
| 212.23.1.14 | gw-smarthost.1-adm.zen.net.uk | 0 | | |
| 212.23.1.15 | ncw-212-23-1-15.zen.co.uk | 0 | | |
| 212.23.1.16 | ncw-212-23-1-16.zen.co.uk | 0 | | |
| 212.23.1.17 | lb01a.ixn.mail.zen.net.uk | 0 | | |
| 212.23.1.18 | lb01b.ixn.mail.zen.net.uk | 0 | | |
| 212.23.1.19 | smarthost01.ixn.mail.zen.net.uk | 0 | | |
| 212.23.1.20 | smarthost01a.ixn.mail.zen.net.uk | 0 | | |
| 212.23.1.21 | smarthost01b.ixn.mail.zen.net.uk | 0 | | |
| 212.23.1.22 | smarthost01c.ixn.mail.zen.net.uk | 0 | | |
| 212.23.1.23 | smarthost01d.ixn.mail.zen.net.uk | 0 | | |
| 212.23.1.24 | smarthost03a.mail.zen.net.uk | 0 | | |
| 212.23.1.25 | smarthost03b.mail.zen.net.uk | 0 | | |
| 212.23.1.26 | smarthost03c.mail.zen.net.uk | 0 | | |
| 212.23.1.27 | smarthost03d.mail.zen.net.uk | 0 | | |
| 212.23.1.28 | ncw-212-23-1-28.zen.co.uk | 0 | | |
| 212.23.1.29 | ncw-212-23-1-29.zen.co.uk | 0 | | |
| 212.23.1.30 | ncw-212-23-1-30.zen.co.uk | 0 | | |
| 212.23.1.31 | ncw-212-23-1-31.zen.co.uk | 0 | | |
| 212.23.1.32 | ncw-212-23-1-32.zen.co.uk | 0 | | |
| 212.23.1.33 | ncw-212-23-1-33.zen.co.uk | 0 | | |
| 212.23.1.34 | ncw-212-23-1-34.zen.co.uk | 0 | | |
| 212.23.1.35 | ncw-212-23-1-35.zen.co.uk | 0 | | |
| 212.23.1.36 | ncw-212-23-1-36.zen.co.uk | 0 | | |
| 212.23.1.37 | ncw-212-23-1-37.zen.co.uk | 0 | | |
| 212.23.1.38 | ncw-212-23-1-38.zen.co.uk | 0 | | |
| 212.23.1.39 | ncw-212-23-1-39.zen.co.uk | 0 | | |
| 212.23.1.40 | ncw-212-23-1-40.zen.co.uk | 0 | | |
| 212.23.1.41 | ncw-212-23-1-41.zen.co.uk | 0 | | |
| 212.23.1.42 | ncw-212-23-1-42.zen.co.uk | 0 | | |
| 212.23.1.43 | ncw-212-23-1-43.zen.co.uk | 0 | | |
| 212.23.1.44 | ncw-212-23-1-44.zen.co.uk | 0 | | |
| 212.23.1.45 | ncw-212-23-1-45.zen.co.uk | 0 | | |
| 212.23.1.46 | ncw-212-23-1-46.zen.co.uk | 0 | | |
| 212.23.1.47 | ncw-212-23-1-47.zen.co.uk | 0 | | |
| 212.23.1.48 | ncw-212-23-1-48.zen.co.uk | 0 | | |
| 212.23.1.49 | lvs04a.dns.zen.net.uk | 0 | | |
| 212.23.1.50 | lvs04b.dns.zen.net.uk | 0 | | |
| 212.23.1.51 | cache04.dns.zen.net.uk | 0 | | |
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| 212.23.1.55 | cache04d.dns.zen.net.uk | 0 | | |
| 212.23.1.56 | ncw-212-23-1-56.zen.co.uk | 0 | | |
| 212.23.1.57 | ncw-212-23-1-57.zen.co.uk | 0 | | |
| 212.23.1.58 | ncw-212-23-1-58.zen.co.uk | 0 | | |
| 212.23.1.59 | ncw-212-23-1-59.zen.co.uk | 0 | | |
| 212.23.1.60 | ncw-212-23-1-60.zen.co.uk | 0 | | |
| 212.23.1.61 | ncw-212-23-1-61.zen.co.uk | 0 | | |
| 212.23.1.62 | ncw-212-23-1-62.zen.co.uk | 0 | | |
| 212.23.1.63 | ncw-212-23-1-63.zen.co.uk | 0 | | |
| 212.23.1.64 | ncw-212-23-1-64.zen.co.uk | 0 | | |
| 212.23.1.65 | search02a.log.zen.net.uk | 0 | | |
| 212.23.1.66 | search02b.log.zen.net.uk | 0 | | |
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| 212.23.1.68 | search02d.log.zen.net.uk | 0 | | |
| 212.23.1.69 | ncw-212-23-1-69.zen.co.uk | 0 | | |
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| 212.23.1.72 | ncw-212-23-1-72.zen.co.uk | 0 | | |
| 212.23.1.73 | ncw-212-23-1-73.zen.co.uk | 0 | | |
| 212.23.1.74 | ncw-212-23-1-74.zen.co.uk | 0 | | |
| 212.23.1.75 | ncw-212-23-1-75.zen.co.uk | 0 | | |
| 212.23.1.76 | ncw-212-23-1-76.zen.co.uk | 0 | | |
| 212.23.1.77 | ncw-212-23-1-77.zen.co.uk | 0 | | |
| 212.23.1.78 | lb1-srch02.2-adm.zen.net.uk | 0 | | |
| 212.23.1.79 | ncw-212-23-1-79.zen.co.uk | 0 | | |
| 212.23.1.80 | ncw-212-23-1-80.zen.co.uk | 0 | | |
| 212.23.1.81 | search01a.log.zen.net.uk | 0 | | |
| 212.23.1.82 | search01b.log.zen.net.uk | 0 | | |
| 212.23.1.83 | search01c.log.zen.net.uk | 0 | | |
| 212.23.1.84 | search01d.log.zen.net.uk | 0 | | |
| 212.23.1.85 | search01e.log.zen.net.uk | 0 | | |
| 212.23.1.86 | search01f.log.zen.net.uk | 0 | | |
| 212.23.1.87 | ncw-212-23-1-87.zen.co.uk | 0 | | |
| 212.23.1.88 | ncw-212-23-1-88.zen.co.uk | 0 | | |
| 212.23.1.89 | ncw-212-23-1-89.zen.co.uk | 0 | | |
| 212.23.1.90 | ncw-212-23-1-90.zen.co.uk | 0 | | |
| 212.23.1.91 | ncw-212-23-1-91.zen.co.uk | 0 | | |
| 212.23.1.92 | ncw-212-23-1-92.zen.co.uk | 0 | | |
| 212.23.1.93 | ncw-212-23-1-93.zen.co.uk | 0 | | |
| 212.23.1.94 | gw-search01.2-adm.zen.net.uk | 0 | | |
| 212.23.1.95 | ncw-212-23-1-95.zen.co.uk | 0 | | |
| 212.23.1.96 | ncw-212-23-1-96.zen.co.uk | 0 | | |
| 212.23.1.97 | ncw-212-23-1-97.zen.co.uk | 0 | | |
| 212.23.1.98 | ncw-212-23-1-98.zen.co.uk | 0 | | |
| 212.23.1.99 | auth01a-vip.lr-slo.authdns.zen.net.uk | 0 | | |
| 212.23.1.100 | fastnetmon.admin.zen.net.uk | 0 | | |
| 212.23.1.101 | store03a.mail.zen.net.uk | 0 | | |
| 212.23.1.102 | store03b.mail.zen.net.uk | 0 | | |
| 212.23.1.103 | ncw-212-23-1-103.zen.co.uk | 0 | | |
| 212.23.1.104 | ncw-212-23-1-104.zen.co.uk | 0 | | |
| 212.23.1.105 | steering01a.radius.zen.net.uk | 0 | | |
| 212.23.1.106 | auth02a.radius.zen.net.uk | 0 | | |
| 212.23.1.107 | ncw-212-23-1-107.zen.co.uk | 0 | | |
| 212.23.1.108 | no-dns-yet-212-23-1-108.zen.net.uk | 0 | | |
| 212.23.1.109 | no-dns-yet-212-23-1-109.zen.net.uk | 0 | | |
| 212.23.1.110 | gw-25.lr-slo.zen.net.uk | 0 | | |
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| 212.23.1.112 | ncw-212-23-1-112.zen.co.uk | 0 | | |
| 212.23.1.113 | ncw-212-23-1-113.zen.co.uk | 0 | | |
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| 212.23.1.118 | ncw-212-23-1-118.zen.co.uk | 0 | | |
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| 212.23.1.123 | ncw-212-23-1-123.zen.co.uk | 0 | | |
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| 212.23.1.125 | ncw-212-23-1-125.zen.co.uk | 0 | | |
| 212.23.1.126 | ncw-212-23-1-126.zen.co.uk | 0 | | |
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| 212.23.1.128 | ncw-212-23-1-128.zen.co.uk | 0 | | |
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| 212.23.1.130 | ncw-212-23-1-130.zen.co.uk | 0 | | |
| 212.23.1.131 | ncw-212-23-1-131.zen.co.uk | 0 | | |
| 212.23.1.132 | ncw-212-23-1-132.zen.co.uk | 0 | | |
| 212.23.1.133 | accounting02.auth.zen.co.uk | 0 | | |
| 212.23.1.134 | ncw-212-23-1-134.zen.co.uk | 0 | | |
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| 212.23.1.136 | ncw-212-23-1-136.zen.co.uk | 0 | | |
| 212.23.1.137 | ncw-212-23-1-137.zen.co.uk | 0 | | |
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| 212.23.1.160 | ncw-212-23-1-160.zen.co.uk | 0 | | |
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| 212.23.1.169 | ncw-212-23-1-169.zen.co.uk | 0 | | |
| 212.23.1.170 | lvs01a.db.zen.net.uk | 0 | | |
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| 212.23.1.251 | ncw-212-23-1-251.zen.co.uk | 0 | | |
| 212.23.1.252 | ncw-212-23-1-252.zen.co.uk | 0 | | |
| 212.23.1.253 | ncw-212-23-1-253.zen.co.uk | 0 | | |
| 212.23.1.254 | ncw-212-23-1-254.zen.co.uk | 0 | | |
| 212.23.1.255 | ncw-212-23-1-255.zen.co.uk | 0 | | |
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
$
traceroute -a -n -q1 -f3 212.23.1.30
traceroute to 212.23.1.30 (212.23.1.30): 64 hops max, 52 byte packets
Measurement taken from 
IPinfo ProbeNet in London, GB
IPinfo ProbeNet in London, GBOn