CTG-SG

BGP inherited
Cluster stats
Netblocks8 · 1,312 IPv4 addresses
Registered in China (5) · Singapore (3)
Cluster ID209437399
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
42.61.118.32/28 CTG-SG APNIC ALLOCATED NON-PORTABLE ● low
58.185.0.160/28 CTG-SG APNIC ALLOCATED NON-PORTABLE ● low
58.185.57.136/29 CTG-SG APNIC ALLOCATED NON-PORTABLE ● low
203.15.117.0/24 CTG-SG APNIC ALLOCATED NON-PORTABLE ● low
203.15.118.0/24 CTG-SG APNIC ALLOCATED NON-PORTABLE ● low
218.30.63.0/24 CTG-SG APNIC ALLOCATED NON-PORTABLE ● low
218.185.242.0/24 CTG-SG APNIC ALLOCATED NON-PORTABLE ● low
218.185.243.0/24 CTG-SG APNIC ALLOCATED NON-PORTABLE ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (8 of 8)
Possible discrepancies (5)

These blocks are registered to CTG-SG but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

218.30.63.0/24 /24 authorized for AS4809 — China Telecom Next Generation Carrier Network
218.185.243.0/24 /24 authorized for AS4809 — China Telecom Next Generation Carrier Network
218.185.242.0/24 /24 authorized for AS4809 — China Telecom Next Generation Carrier Network
203.15.117.0/24 /24 authorized for AS23764 — China Telecom Global Limited
203.15.118.0/24 /24 authorized for AS23764 — China Telecom Global Limited

NIC Handles

AC1573-AP AS2068-AP CH93-AP CH93-AP MAINT-CHINANET MAINT-CHINANET-CN MAINT-SG-SINGNET SH9-AP SH9-AP