CTGNet

Data as of 2026-09-06
BGP inherited
This organisation
Netblocks107 · 2,344 IPv4 addresses
IPv6 57 prefixes (largest 2403:bdc0::/32)
Registered in BD (5) · Sweden (4) · Netherlands (4) · South Africa (4) · China (3) · Japan (3)
Also registered under this name 135 netblocks across 7 separate records
Record ID236784496
RegistryAPNIC
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 15 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (107)

⬇ export CSV
CIDR Org name Registry Status Confidence
27.111.229.59/32 CTGNet PEERINGDB ASSIGNED ● high
36.255.56.131/32 CTGNet PEERINGDB ASSIGNED ● high
37.49.238.60/32 CTGNet PEERINGDB ASSIGNED ● high
80.81.196.114/32 CTGNet PEERINGDB ASSIGNED ● high
80.249.209.95/32 CTGNet PEERINGDB ASSIGNED ● high
91.210.17.26/32 CTGNet PEERINGDB ASSIGNED ● high
101.203.89.144/32 CTGNet PEERINGDB ASSIGNED ● high
103.7.144.67/32 CTGNet PEERINGDB ASSIGNED ● high
103.16.102.160/32 CTGNet PEERINGDB ASSIGNED ● high
103.130.168.0/24 CTG.NET BGP ANNOUNCED ● high
103.130.169.0/24 CTG.NET BGP ANNOUNCED ● high
103.130.170.0/24 CTG.NET BGP ANNOUNCED ● high
103.130.171.0/24 CTG.NET BGP ANNOUNCED ● high
123.255.91.175/32 CTGNet PEERINGDB ASSIGNED ● high
139.150.100.199/32 CTGNet PEERINGDB ASSIGNED ● high
177.52.38.60/32 CTGNet PEERINGDB ASSIGNED ● high
185.0.27.51/32 CTGNet PEERINGDB ASSIGNED ● high
185.1.8.125/32 CTGNet PEERINGDB ASSIGNED ● high
185.1.226.96/32 CTGNet PEERINGDB ASSIGNED ● high
185.1.240.37/32 CTGNet PEERINGDB ASSIGNED ● high
187.16.214.84/32 CTGNet PEERINGDB ASSIGNED ● high
193.149.1.248/32 CTGNet PEERINGDB ASSIGNED ● high
193.201.28.177/32 CTGNet PEERINGDB ASSIGNED ● high
193.203.0.88/32 CTGNet PEERINGDB ASSIGNED ● high
193.239.118.168/32 CTGNet PEERINGDB ASSIGNED ● high
194.53.172.73/32 CTGNet PEERINGDB ASSIGNED ● high
194.68.123.25/32 CTGNet PEERINGDB ASSIGNED ● high
194.68.128.25/32 CTGNet PEERINGDB ASSIGNED ● high
195.42.145.93/32 CTGNet PEERINGDB ASSIGNED ● high
195.66.224.40/32 CTGNet PEERINGDB ASSIGNED ● high
195.69.119.25/32 CTGNet PEERINGDB ASSIGNED ● high
195.245.240.25/32 CTGNet PEERINGDB ASSIGNED ● high
196.60.10.214/32 CTGNet PEERINGDB ASSIGNED ● high
196.60.58.236/32 CTGNet PEERINGDB ASSIGNED ● high
196.60.68.27/32 CTGNet PEERINGDB ASSIGNED ● high
196.60.71.86/32 CTGNet PEERINGDB ASSIGNED ● high
196.60.96.30/32 CTGNet PEERINGDB ASSIGNED ● high
196.216.148.155/32 CTGNet PEERINGDB ASSIGNED ● high
196.223.21.117/32 CTGNet PEERINGDB ASSIGNED ● high
196.223.22.30/32 CTGNet PEERINGDB ASSIGNED ● high
203.159.68.159/32 CTGNet PEERINGDB ASSIGNED ● high
203.163.222.29/32 CTGNet PEERINGDB ASSIGNED ● high
210.171.225.104/32 CTGNet PEERINGDB ASSIGNED ● high
210.173.177.101/32 CTGNet PEERINGDB ASSIGNED ● high
2001:67c:29f0::2:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8::1026:0:3/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:1::a502:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:4::5cd4:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:d:fb::25/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:d:fc::25/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:d:fe::25/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:d:ff::25/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:f::248/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:10::2:3764/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:13::a502:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:14::43:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:26::a500:4134:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:30:0:2:1:2:3764/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:43::2:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:54::2:60/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:73::1026:0:2/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:12a::37/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7f8:15e::51/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7fa:0:1::ca28:a1af/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7fa:7:1:0:2:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:7fa:8::199/128 CTGNet PEERINGDB ASSIGNED ● high
2001:de8:4::2:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:de8:7::2:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:de8:8::2:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:de8:c::2:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2001:de8:12:100::160/128 CTGNet PEERINGDB ASSIGNED ● high
2001:de8:1d::67/128 CTGNet PEERINGDB ASSIGNED ● high
2001:df5:b881::159/128 CTGNet PEERINGDB ASSIGNED ● high
2001:12f8::214:84/128 CTGNet PEERINGDB ASSIGNED ● high
2001:12f8:0:6::60/128 CTGNet PEERINGDB ASSIGNED ● high
2001:43f8:60:1::117/128 CTGNet PEERINGDB ASSIGNED ● high
2001:43f8:c0:1::27/128 CTGNet PEERINGDB ASSIGNED ● high
2001:43f8:1f0::30/128 CTGNet PEERINGDB ASSIGNED ● high
2001:43f8:1f1::30/128 CTGNet PEERINGDB ASSIGNED ● high
2001:43f8:6d0::10:214/128 CTGNet PEERINGDB ASSIGNED ● high
2001:43f8:6d1::71:86/128 CTGNet PEERINGDB ASSIGNED ● high
2001:43f8:bb1::155/128 CTGNet PEERINGDB ASSIGNED ● high
2001:43f8:11f0::a502:3764:1/128 CTGNet PEERINGDB ASSIGNED ● high
2403:bdc0::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0::/32 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:1000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:2000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:3000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:4000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:5000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:6000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:7000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:8000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:9000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:a000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:b000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:c000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:d000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:e000::/36 CTG.NET BGP ANNOUNCED ● high
2403:bdc0:f000::/36 CTG.NET BGP ANNOUNCED ● high
2406:d400:1:133:203:163:222:29/128 CTGNet PEERINGDB ASSIGNED ● high
103.130.168.0/22 CTG.NET APNIC ALLOCATED PORTABLE ● medium
147.78.133.0/24 CTGnet RIPE ASSIGNED PA ● low
147.78.135.0/24 CTGnet RIPE ASSIGNED PA ● low
203.82.17.0/24 CTGNET APNIC ALLOCATED NON-PORTABLE ● low
203.195.115.0/24 CTGNET APNIC ALLOCATED NON-PORTABLE ● low
218.185.245.0/24 CTGNET APNIC ALLOCATED NON-PORTABLE ● low

IPv6 ranges (57)

showing the 15 largest allocations
CIDR
2403:bdc0::/32
2403:bdc0:1000::/36
2403:bdc0:2000::/36
2403:bdc0:3000::/36
2403:bdc0:4000::/36
2403:bdc0:5000::/36
2403:bdc0:6000::/36
2403:bdc0:7000::/36
2403:bdc0:8000::/36
2403:bdc0:9000::/36
2403:bdc0::/36
2403:bdc0:a000::/36
2403:bdc0:b000::/36
2403:bdc0:c000::/36
2403:bdc0:d000::/36

Footprint over time

11 weekly snapshots · JSON
108 0 netblocks since 2026-07-05
2026-07-05 peak 108 2026-09-06

Customer-delegated space

how is this classified?
Operator infrastructure (named) 80 (74.8%)
Unclassified 28 (26.2%)

Network trust

what's this?
RPKI hygiene: B how networks compare →
89.8% of checked blocks have valid RPKI ROA coverage (97 of 108)
Possible discrepancies (5)

These blocks are registered to CTGNet 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.

147.78.133.0/24 /24 authorized for AS23764 — China Telecom Global Limited
147.78.135.0/24 /24 authorized for AS23764 — China Telecom Global Limited
203.82.17.0/24 /24 authorized for AS23764 — China Telecom Global Limited
203.195.115.0/24 /24 authorized for AS4809 — China Telecom Next Generation Carrier Network
218.185.245.0/24 /24 authorized for AS4809 — China Telecom Next Generation Carrier Network

NIC Handles

AC1573-AP AC2027-AP APNIC-HM AS138338 AS23764 CA468-AP CA468-AP CH93-AP CH93-AP DUMY-RIPE DUMY-RIPE MAINT-CHINANET-CN +3 more