AS45903 CMC Telecom Infrastructure Company

Vietnam CMCTELECOM-VN APNIC 354 IPv4 prefixes 138 IPv6 prefixes
IPv4 addresses
85,760
IPv6 /48 networks
24,576
RPKI
492 valid0 no ROA
Peers and downstreams
233

Holder

AS name
CMCTELECOM-VN
Description
CMC Telecom Infrastructure Company CMC Tower, Duy Tan, Dich Vong Hau, Yen Hoa, Cau Giay, Hanoi, Vietnam
Organisation
CMC Telecom Infrastructure Company
Abuse contact
Not published
Assigned
2009-08-27
101.99.0.0/21101.99.0.0/23101.99.1.0/24101.99.10.0/24101.99.11.0/24101.99.12.0/22101.99.12.0/23101.99.12.0/24101.99.13.0/24101.99.14.0/24101.99.15.0/24101.99.16.0/21101.99.16.0/22101.99.16.0/23101.99.17.0/24101.99.18.0/23101.99.2.0/23101.99.2.0/24101.99.20.0/23101.99.20.0/24101.99.21.0/24101.99.22.0/24101.99.23.0/24101.99.24.0/21101.99.24.0/23101.99.24.0/24101.99.25.0/24101.99.26.0/23101.99.26.0/24101.99.27.0/24101.99.28.0/23101.99.28.0/24101.99.29.0/24101.99.30.0/23101.99.31.0/24101.99.32.0/21101.99.32.0/23101.99.34.0/24101.99.35.0/24101.99.36.0/24101.99.37.0/24101.99.38.0/24101.99.39.0/24101.99.4.0/24101.99.40.0/21101.99.40.0/23101.99.40.0/24101.99.41.0/24101.99.42.0/23101.99.44.0/23101.99.44.0/24101.99.45.0/24101.99.46.0/23101.99.46.0/24101.99.47.0/24101.99.48.0/21101.99.48.0/23101.99.5.0/24101.99.50.0/23101.99.52.0/23101.99.54.0/23101.99.56.0/21101.99.56.0/24101.99.57.0/24101.99.59.0/24101.99.6.0/23101.99.6.0/24101.99.60.0/23101.99.61.0/24101.99.62.0/23101.99.62.0/24101.99.63.0/24101.99.7.0/24101.99.8.0/21101.99.8.0/24103.108.132.0/24103.108.133.0/24103.108.134.0/24103.108.135.0/24103.224.168.0/22103.224.168.0/23103.224.170.0/24103.224.171.0/24103.229.40.0/22103.229.40.0/24103.229.41.0/24103.229.42.0/24103.229.43.0/24103.246.220.0/22103.246.220.0/23103.246.223.0/24103.63.104.0/22103.63.104.0/24103.63.105.0/24103.63.106.0/24103.63.107.0/24103.63.108.0/22103.63.110.0/24103.63.111.0/24103.63.112.0/22103.63.112.0/24103.63.113.0/24103.63.114.0/24103.63.115.0/24103.63.116.0/23103.63.116.0/24103.63.117.0/24103.63.118.0/24103.63.119.0/24103.63.120.0/22103.63.120.0/24103.63.121.0/24103.63.122.0/24103.63.123.0/24103.9.196.0/22103.9.196.0/24103.9.197.0/24103.9.198.0/23113.20.100.0/24113.20.102.0/23113.20.103.0/24113.20.104.0/24113.20.105.0/24113.20.106.0/24113.20.107.0/24113.20.108.0/23113.20.108.0/24113.20.109.0/24113.20.110.0/24113.20.111.0/24113.20.112.0/22113.20.112.0/23113.20.112.0/24113.20.113.0/24113.20.114.0/23113.20.115.0/24113.20.116.0/22113.20.116.0/24113.20.117.0/24113.20.118.0/23113.20.120.0/24113.20.121.0/24113.20.122.0/24113.20.123.0/24113.20.124.0/24113.20.125.0/24113.20.126.0/24113.20.127.0/24113.20.96.0/19113.20.96.0/23113.20.98.0/23113.20.98.0/24113.20.99.0/24115.165.160.0/21115.165.160.0/24115.165.166.0/24119.82.129.0/24119.82.130.0/24119.82.131.0/24119.82.132.0/24119.82.134.0/24119.82.135.0/24119.82.137.0/24119.82.138.0/24119.82.139.0/24119.82.140.0/24119.82.141.0/24119.82.142.0/24119.82.143.0/24124.158.14.0/24144.48.24.0/24144.48.25.0/24144.48.26.0/24144.48.27.0/24162.4.8.0/24183.91.0.0/20183.91.0.0/23183.91.0.0/24183.91.1.0/24183.91.10.0/24183.91.11.0/24183.91.12.0/23183.91.12.0/24183.91.13.0/24183.91.15.0/24183.91.16.0/20183.91.16.0/21183.91.16.0/22183.91.16.0/23183.91.18.0/23183.91.18.0/24183.91.19.0/24183.91.2.0/23183.91.2.0/24183.91.20.0/22183.91.20.0/23183.91.21.0/24183.91.22.0/23183.91.22.0/24183.91.23.0/24183.91.24.0/21183.91.24.0/22183.91.24.0/24183.91.25.0/24183.91.26.0/23183.91.26.0/24183.91.27.0/24183.91.28.0/22183.91.28.0/23183.91.3.0/24183.91.30.0/23183.91.30.0/24183.91.31.0/24183.91.4.0/22183.91.4.0/24183.91.5.0/24183.91.6.0/23183.91.6.0/24183.91.7.0/24183.91.8.0/21183.91.8.0/22183.91.8.0/23183.91.8.0/24183.91.9.0/24202.134.16.0/22202.134.16.0/24202.134.17.0/24202.134.18.0/23202.134.18.0/24202.134.19.0/24202.134.20.0/22202.134.20.0/23202.134.20.0/24202.134.21.0/24202.134.22.0/24202.134.23.0/24203.171.16.0/23203.171.17.0/24203.171.18.0/23203.171.20.0/24203.171.21.0/24203.171.22.0/23203.171.23.0/24203.171.24.0/21203.171.24.0/24203.171.25.0/24203.171.26.0/23203.171.28.0/22203.171.28.0/23203.171.31.0/24203.205.0.0/24203.205.1.0/24203.205.10.0/24203.205.11.0/24203.205.12.0/24203.205.13.0/24203.205.16.0/21203.205.16.0/22203.205.16.0/24203.205.17.0/24203.205.18.0/24203.205.2.0/24203.205.20.0/24203.205.21.0/24203.205.22.0/24203.205.23.0/24203.205.24.0/21203.205.24.0/24203.205.25.0/24203.205.26.0/23203.205.28.0/24203.205.29.0/24203.205.3.0/24203.205.30.0/24203.205.31.0/24203.205.32.0/21203.205.32.0/23203.205.34.0/23203.205.35.0/24203.205.36.0/24203.205.37.0/24203.205.39.0/24203.205.40.0/21203.205.40.0/23203.205.42.0/23203.205.44.0/24203.205.45.0/24203.205.46.0/24203.205.47.0/24203.205.48.0/21203.205.48.0/23203.205.48.0/24203.205.5.0/24203.205.50.0/23203.205.52.0/23203.205.54.0/23203.205.56.0/21203.205.57.0/24203.205.58.0/24203.205.59.0/24203.205.6.0/24203.205.60.0/22203.205.60.0/24203.205.61.0/24203.205.62.0/24203.205.63.0/24203.205.7.0/24203.205.8.0/22203.205.8.0/24203.205.9.0/2442.96.32.0/1942.96.38.0/2442.96.39.0/2442.96.40.0/2242.96.44.0/2242.96.48.0/2442.96.49.0/2442.96.50.0/2442.96.51.0/2442.96.52.0/2442.96.53.0/2442.96.54.0/2442.96.55.0/2442.96.56.0/2442.96.57.0/2442.96.58.0/2342.96.60.0/2342.96.60.0/2445.122.232.0/2245.122.232.0/2445.122.233.0/2445.122.234.0/2445.122.235.0/2445.122.236.0/2245.122.236.0/2345.122.238.0/2345.122.238.0/2445.122.239.0/2445.122.240.0/2245.122.240.0/2445.122.241.0/2445.122.243.0/2445.122.244.0/2245.122.245.0/2445.122.246.0/2445.122.247.0/2445.122.248.0/2245.122.248.0/2445.122.249.0/2445.122.250.0/2445.122.251.0/2445.122.252.0/2445.122.254.0/2445.122.255.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 88/100
pass Prefixes covered by valid ROAs
492 of 492 announced prefixes are RPKI valid.
25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
pass Announces IPv6
138 IPv6 prefixes.
15/15
pass More than one upstream
99 upstreams seen in BGP.
10/10
n/a Working abuse contact
We have no registry record to check.
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
n/a Registry record maintained
We have no change date for this record.

Routing changes

Last 30 days
2026-10-04 11:33 UTCNeighbour gone AS263444 upstream
2026-10-04 11:33 UTCNeighbour gone AS138997 upstream
2026-10-04 11:33 UTCNeighbour gone AS52320 peer
2026-10-04 11:33 UTCNeighbour gone AS43727 upstream
2026-10-04 11:33 UTCNeighbour gone AS39686 upstream
2026-10-04 11:33 UTCNeighbour gone AS38001 peer
2026-10-04 11:33 UTCNeighbour gone AS31027 peer
2026-10-04 11:33 UTCNeighbour gone AS15576 upstream
2026-10-04 11:33 UTCNeighbour gone AS12552 upstream
2026-10-04 11:33 UTCNeighbour gone AS4229 downstream
2026-10-04 11:33 UTCNew neighbour AS8888 peer
2026-10-04 11:33 UTCNew neighbour AS28917 peer
2026-10-04 11:33 UTCNew neighbour AS264479 peer
2026-10-04 11:33 UTCRelationship changed AS1103 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS45543 downstream
2026-10-04 11:33 UTCNew neighbour AS142055 downstream
2026-10-04 11:33 UTCNew neighbour AS142025 downstream
2026-10-04 11:33 UTCRelationship changed AS9930 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS9583 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS9505 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS9044 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS9002 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS8966 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS8758 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS8447 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS8359 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS8298 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS8220 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS7713 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS7473 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS7195 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS703 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS6939 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS6797 peer
2026-10-04 11:33 UTCRelationship changed AS6777 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS6695 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS6663 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS64049 peer
2026-10-04 11:33 UTCRelationship changed AS6206 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS6204 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS6057 peer
2026-10-04 11:33 UTCRelationship changed AS60171 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS58453 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS5405 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS50673 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS49559 peer
2026-10-04 11:33 UTCRelationship changed AS48362 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS4766 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS47147 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS45474 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS4455 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS44066 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS4230 peer
2026-10-04 11:33 UTCRelationship changed AS41327 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS41095 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS39351 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS39249 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS39120 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS38008 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS37468 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS37100 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS35625 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS35280 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS34927 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS34549 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS34177 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS34019 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS33891 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS3356 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS3303 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS3216 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS3204 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS31133 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS30844 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS29838 peer
2026-10-04 11:33 UTCRelationship changed AS29691 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS29632 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS29208 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS29075 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS28716 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS264409 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS25091 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS24961 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS24889 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS24482 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS23962 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS22356 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS215638 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS212024 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS20766 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS20764 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS20562 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS205103 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS20485 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS20326 peer
2026-10-04 11:33 UTCRelationship changed AS1836 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS1764 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS17557 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS15958 upstream to peer
2026-10-04 11:33 UTCNew neighbour AS15830 peer
2026-10-04 11:33 UTCRelationship changed AS15802 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS14840 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS137409 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS13194 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS12859 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS12779 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS1267 upstream to peer
2026-10-04 11:33 UTCRelationship changed AS12577 upstream to peer
2026-10-04 11:33 UTCPrefix gone 42.96.60.0/24
2026-10-04 11:33 UTCPrefix gone 101.99.40.0/21
2026-10-04 11:33 UTCNew prefix 163.52.14.0/23
2026-10-04 11:33 UTCNew prefix 183.91.17.0/24
2026-10-04 11:33 UTCNew prefix 2402:5300:600::/48
2026-10-04 11:33 UTCNew prefix 101.99.60.0/24
2026-10-04 11:33 UTCNew prefix 2001:df7:6640::/48