AS23764 CTGNet

Hong Kong SAR China APNIC 184 IPv4 prefixes 29 IPv6 prefixes
IPv4 addresses
51,200
IPv6 /48 networks
29
RPKI
202 valid11 no ROA
Peers and downstreams
643

Holder

AS name
CTGNet
Description
CTGNet China Telecom Global Limited
Organisation
China Telecom Global Limited
Abuse contact
Not published
Assigned
2020-06-11
Registered
2020-06-12
Record last changed
2020-07-20 08:05 UTC
102.217.164.0/24102.217.166.0/24102.217.167.0/24121.59.100.0/24121.59.106.0/24121.59.109.0/24121.59.120.0/24121.59.122.0/24121.59.124.0/24121.59.140.0/24121.59.38.0/24125.93.24.0/24125.93.25.0/24125.93.26.0/24125.93.27.0/24131.221.80.0/24131.221.81.0/24131.221.82.0/24131.221.83.0/24139.189.127.0/24145.14.64.0/24145.14.69.0/24145.14.79.0/24145.14.92.0/24147.78.133.0/24147.78.135.0/24154.209.21.0/24154.209.23.0/24154.72.40.0/24154.72.41.0/24154.72.42.0/24154.72.43.0/24154.72.45.0/24154.72.46.0/24156.238.20.0/24156.242.4.0/24156.242.8.0/24183.91.51.0/24183.91.63.0/24185.75.172.0/24202.55.14.0/24202.55.15.0/24202.55.16.0/24202.55.17.0/24202.55.2.0/24202.55.3.0/24202.55.30.0/24202.55.5.0/24202.55.6.0/24202.55.7.0/24202.55.8.0/21203.100.52.0/24203.100.54.0/24203.119.120.0/24203.119.124.0/24203.119.125.0/24203.12.200.0/24203.12.201.0/24203.12.202.0/24203.12.203.0/24203.12.204.0/24203.12.205.0/24203.128.224.0/24203.128.229.0/24203.128.230.0/24203.129.9.0/24203.14.188.0/24203.14.189.0/24203.14.190.0/24203.14.191.0/24203.144.101.0/24203.144.103.0/24203.144.104.0/24203.144.105.0/24203.15.113.0/24203.15.116.0/24203.15.117.0/24203.15.118.0/24203.19.32.0/22203.19.32.0/24203.19.37.0/24203.19.38.0/24203.195.115.0/24203.196.10.0/24203.196.11.0/24203.196.12.0/24203.196.13.0/24203.196.14.0/24203.196.15.0/24203.196.8.0/24203.196.9.0/24203.20.136.0/24203.20.137.0/24203.20.140.0/24203.20.141.0/24203.20.142.0/24203.20.143.0/24203.20.51.0/24203.33.10.0/24203.33.8.0/24203.33.9.0/24203.34.194.0/24203.34.196.0/24203.34.197.0/24203.34.199.0/24203.56.55.0/24203.8.30.0/24203.80.136.0/24203.80.137.0/24203.80.138.0/24203.80.139.0/24203.80.141.0/24203.81.0.0/24203.81.3.0/24203.81.4.0/24203.81.6.0/23203.81.6.0/24203.82.17.0/24203.82.18.0/24203.82.19.0/24203.82.23.0/24203.86.103.0/24203.86.106.0/24203.86.109.0/24203.86.111.0/24203.86.113.0/24203.86.115.0/24203.86.126.0/24203.86.127.0/24203.89.10.0/24203.89.11.0/24203.89.12.0/24203.99.10.0/24203.99.11.0/24203.99.13.0/24210.48.136.0/22210.48.140.0/22218.185.241.0/24218.185.243.0/24218.185.245.0/24218.30.39.0/24218.30.62.0/23220.174.26.0/23220.174.94.0/23220.247.140.0/24220.247.141.0/2445.195.4.0/2445.195.5.0/2445.195.7.0/2445.196.24.0/2445.196.25.0/2445.196.27.0/245.10.136.0/245.154.130.0/245.154.144.0/245.154.145.0/245.154.146.0/245.154.147.0/245.154.154.0/245.154.155.0/245.154.156.0/245.154.157.0/245.154.158.0/245.154.159.0/2461.186.2.0/2463.140.14.0/2463.140.4.0/2463.140.8.0/2469.194.163.0/2469.194.171.0/2469.194.172.0/2469.194.173.0/2469.194.175.0/2479.139.10.0/2479.139.11.0/2479.139.13.0/2479.139.14.0/2479.139.4.0/2479.139.5.0/2479.139.6.0/2479.139.8.0/2495.130.192.0/2495.130.194.0/2495.130.199.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 84/100
partly Prefixes covered by valid ROAs
202 of 213 announced prefixes are RPKI valid, 11 have no ROA.
24/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
pass Announces IPv6
29 IPv6 prefixes.
15/15
pass More than one upstream
44 upstreams seen in BGP.
10/10
pass Working abuse contact
guohf@chinatelecomglobal.com is published.
15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.
0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.
10/10
fail Registry record maintained
Last changed 2020-07-20.
0/5

Routing changes

Last 30 days
2026-10-04 18:11 UTCNeighbour gone AS401588 downstream
2026-10-04 18:11 UTCNeighbour gone AS394625 downstream
2026-10-04 18:11 UTCNeighbour gone AS272207 downstream
2026-10-04 18:11 UTCNeighbour gone AS267151 downstream
2026-10-04 18:11 UTCNeighbour gone AS205103 upstream
2026-10-04 18:11 UTCNeighbour gone AS136907 downstream
2026-10-04 18:11 UTCNeighbour gone AS134366 downstream
2026-10-04 18:11 UTCNeighbour gone AS133380 downstream
2026-10-04 18:11 UTCNeighbour gone AS132418 peer
2026-10-04 18:11 UTCNeighbour gone AS62275 upstream
2026-10-04 18:11 UTCNeighbour gone AS58511 downstream
2026-10-04 18:11 UTCNeighbour gone AS49581 downstream
2026-10-04 18:11 UTCNeighbour gone AS36137 downstream
2026-10-04 18:11 UTCNeighbour gone AS35104 peer
2026-10-04 18:11 UTCNeighbour gone AS29680 peer
2026-10-04 18:11 UTCNeighbour gone AS28663 downstream
2026-10-04 18:11 UTCNeighbour gone AS24940 downstream
2026-10-04 18:11 UTCNeighbour gone AS19551 downstream
2026-10-04 18:11 UTCNeighbour gone AS15943 downstream
2026-10-04 18:11 UTCNeighbour gone AS12886 downstream
2026-10-04 18:11 UTCNeighbour gone AS9583 upstream
2026-10-04 18:11 UTCNeighbour gone AS8763 downstream
2026-10-04 18:11 UTCNeighbour gone AS6895 downstream
2026-10-04 18:11 UTCNeighbour gone AS6758 upstream
2026-10-04 18:11 UTCNeighbour gone AS4764 downstream
2026-10-04 18:11 UTCNeighbour gone AS4601 upstream
2026-10-04 18:11 UTCRelationship changed AS47147 upstream to peer
2026-10-04 18:11 UTCNew neighbour AS8767 downstream
2026-10-04 18:11 UTCNew neighbour AS63888 downstream
2026-10-04 18:11 UTCNew neighbour AS56630 downstream
2026-10-04 18:11 UTCNew neighbour AS329467 peer
2026-10-04 18:11 UTCNew neighbour AS29535 downstream
2026-10-04 18:11 UTCNew neighbour AS29119 downstream
2026-10-04 18:11 UTCNew neighbour AS269597 peer
2026-10-04 18:11 UTCNew neighbour AS2687 downstream
2026-10-04 18:11 UTCNew neighbour AS206264 downstream
2026-10-04 18:11 UTCNew neighbour AS140627 peer
2026-10-04 18:11 UTCNew neighbour AS133219 downstream
2026-10-04 18:11 UTCRelationship changed AS9930 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS983 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS9121 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS9002 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS7195 upstream to peer
2026-10-04 18:11 UTCNew neighbour AS6797 peer
2026-10-04 18:11 UTCRelationship changed AS6777 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS6696 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS6695 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS6663 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS61626 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS61049 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS59689 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS58453 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS56911 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS56655 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS48646 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS45489 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS4455 upstream to downstream
2026-10-04 18:11 UTCNew neighbour AS4230 peer
2026-10-04 18:11 UTCRelationship changed AS41327 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS39686 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS39305 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS39249 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS39120 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS37613 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS37497 upstream to downstream
2026-10-04 18:11 UTCRelationship changed AS37468 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS3741 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS37282 upstream to downstream
2026-10-04 18:11 UTCRelationship changed AS35661 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS35625 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS35280 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS34872 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS33891 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS3303 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS31543 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS30781 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS29632 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS28716 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS286 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS265330 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS264409 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS262970 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS24889 upstream to peer
2026-10-04 18:11 UTCNew neighbour AS215638 peer
2026-10-04 18:11 UTCRelationship changed AS212024 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS209090 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS209022 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS20766 upstream to peer
2026-10-04 18:11 UTCNew neighbour AS20326 peer
2026-10-04 18:11 UTCRelationship changed AS199995 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS1836 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS1764 upstream to peer
2026-10-04 18:11 UTCNew neighbour AS16735 peer
2026-10-04 18:11 UTCRelationship changed AS15576 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS138997 upstream to downstream
2026-10-04 18:11 UTCRelationship changed AS13823 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS137409 upstream to peer
2026-10-04 18:11 UTCNew neighbour AS136897 downstream
2026-10-04 18:11 UTCRelationship changed AS13194 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS1267 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS12637 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS12577 upstream to peer
2026-10-04 18:11 UTCRelationship changed AS1031 upstream to peer
2026-10-04 18:11 UTCPrefix gone 210.48.143.0/24
2026-10-04 18:11 UTCNew prefix 125.93.25.0/24
2026-10-04 18:11 UTCNew prefix 125.93.24.0/24
2026-10-04 18:11 UTCNew prefix 125.93.26.0/24
2026-10-04 18:11 UTCNew prefix 203.19.32.0/24

WHOIS

aut-num:        AS23764
as-name:        CTGNet
handle:         AS23764
remarks:        CTGNet
remarks:        China Telecom Global Limited
technical,administrative:CTGL1-AP (CHINA TELECOM GLOBAL LIMITED  - network administrator) <noc@chinatelecomglobal.com>
abuse:          IRT-CTHKI-HK (IRT-CTHKI-HK) <guohf@chinatelecomglobal.com>
registrant:     ORG-CTGL1-AP (China Telecom Global Limited) <noc@chinatelecomglobal.com>
registration:   2020-06-12T06:15:42Z
last changed:   2020-07-20T08:05:00Z
source:         APNIC (RDAP)