CTG Server Limited
Cluster stats
Netblocks699
All fragments 762 blocks across 14 clusters
Cluster ID191604263
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 34 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (699)

showing 50 of 699 — see all⬇ export CSV (free export limited to 500 rows — subscribe for the full export)
CIDR Org name Registry Status Confidence
1.32.205.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.216.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.218.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.228.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.229.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.237.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.246.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.247.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.248.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.249.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.250.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.252.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.253.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.254.0/24 CTG Server Limited BGP ANNOUNCED ● high
1.32.255.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.32.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.33.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.34.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.35.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.36.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.37.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.38.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.39.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.40.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.41.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.42.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.43.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.44.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.45.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.46.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.47.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.48.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.49.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.50.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.51.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.52.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.53.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.54.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.55.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.57.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.58.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.59.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.60.0/24 CTG Server Limited BGP ANNOUNCED ● high
14.128.63.0/24 CTG Server Limited BGP ANNOUNCED ● high
27.50.54.0/24 CTG Server Limited BGP ANNOUNCED ● high
27.50.55.0/24 CTG Server Limited BGP ANNOUNCED ● high
27.50.57.0/24 CTG Server Limited BGP ANNOUNCED ● high
27.50.58.0/24 CTG Server Limited BGP ANNOUNCED ● high
27.50.59.0/24 CTG Server Limited BGP ANNOUNCED ● high
27.50.60.0/24 CTG Server Limited BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: B how networks compare →
93.4% of checked blocks have valid RPKI ROA coverage (653 of 699)
Wholesale/transit re-announcements (482)

These blocks are registered to CTG Server Limited but cryptographically authorized across 8 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.

2403:ea00::/36 /36 authorized for AS13335 — Cloudflare, Inc.
2001:7e8:800a:200::/56 /56 authorized for AS6661 — POST Luxembourg
2001:7e8:81d6:100::/56 /56 authorized for AS6661 — POST Luxembourg
2001:7e8:800a:100::/56 /56 authorized for AS6661 — POST Luxembourg
2001:7e8:800a::/56 /56 authorized for AS6661 — POST Luxembourg
2001:7e8:8600:5b00::/56 /56 authorized for AS6661 — POST Luxembourg
134.122.128.0/17 /17 authorized for AS64050 — BGP Network Limited
137.220.128.0/17 /17 authorized for AS64050 — BGP Network Limited
112.213.96.0/19 /19 authorized for AS13335 — Cloudflare, Inc.
121.127.224.0/19 /19 authorized for AS13335 — Cloudflare, Inc.
134.122.160.0/19 /19 authorized for AS64050 — BGP Network Limited
134.122.192.0/19 /19 authorized for AS64050 — BGP Network Limited
134.122.224.0/19 /19 authorized for AS64050 — BGP Network Limited
203.86.112.0/20 /20 authorized for AS4134 — No.31,Jin-rong Street
117.18.0.0/20 /20 authorized for AS13335 — Cloudflare, Inc.
+467 more — see the REST API

NIC Handles

AC1573-AP AC1601-AP AC2758-AP APNIC-HM AS152194 AS2068-AP AS6661-MNT AS8426-MNT CH93-AP CH93-AP CSLA13-AP CSLA13-AP +22 more