CTG Server Limited
BGP inherited
Cluster stats
| Netblocks | 673 · 299,123 IPv4 addresses |
| Registered in | Singapore (454) · Hong Kong (176) · United States (32) · China (3) · AF (1) · United Kingdom (1) |
| Cluster ID | 208791624 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 20 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
699
0 netblocks since 2026-07-05
2026-07-05
peak 699
2026-07-19
IP Ranges (673)
showing 50 of 673 — 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 |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: B
how networks compare →
93.3%
of checked blocks have valid RPKI ROA coverage
(628 of 673)
Possible discrepancies (466)
These blocks are registered to CTG Server Limited but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2403:ea00::/36 /36 | authorized for AS13335 — Cloudflare, Inc. |
| 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 |
| 117.18.0.0/20 /20 | authorized for AS13335 — Cloudflare, Inc. |
| 134.122.144.0/20 /20 | authorized for AS64050 — BGP Network Limited |
| 121.54.168.0/21 /21 | authorized for AS13335 — Cloudflare, Inc. |
| 134.122.136.0/21 /21 | authorized for AS64050 — BGP Network Limited |
| 27.124.36.0/22 /22 | authorized for AS64050 — BGP Network Limited |
| 43.240.36.0/22 /22 | authorized for AS13335 — Cloudflare, Inc. |
| 43.243.72.0/22 /22 | authorized for AS13335 — Cloudflare, Inc. |
+451 more — see the REST API
NIC Handles
AC2758-AP
APNIC-HM
AS152194
AS8426-MNT
CSLA13-AP
CSLA13-AP
DUMY-RIPE
DUMY-RIPE
HI17-AP
MAINT-AF-IO-GLOBAL
MAINT-FES-HK
MAINT-GALGL-HK
+8 more