ResearchRouting table, RPKI, IRR & looking glass

AS45903 CMC Telecom Infrastructure Company

AS45903 (CMCTELECOM-VN) is registered to CMC Telecom Infrastructure Company in VN. It originates 487 prefixes in the global routing table.

353
IPv4 prefixes
134
IPv6 prefixes
86,272
IPv4 addresses
100%
RPKI valid
Registration

Who holds AS45903

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS45903
Handle
CMCTELECOM-VN
Organization
CMC Telecom Infrastructure Company
Country
VN
ASPA
None published
Routing

What AS45903 announces

Prefixes originated by AS45903 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
353
IPv6 prefixes
134
IPv4 addresses
86,272 (337 /24s)
RPKI valid
487 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS45903
114
With an IRR route object
474 97%
Prefixes

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (353)
42.96.32.0/1942.96.38.0/2442.96.39.0/2442.96.40.0/2242.96.44.0/2242.96.48.0/2442.96.49.0/2442.96.50.0/2442.96.51.0/2442.96.52.0/2442.96.53.0/2442.96.54.0/2442.96.55.0/2442.96.56.0/2442.96.57.0/2442.96.58.0/2342.96.60.0/2345.122.232.0/2245.122.232.0/2445.122.233.0/2445.122.235.0/2445.122.236.0/2245.122.236.0/2345.122.238.0/2345.122.238.0/2445.122.239.0/2445.122.240.0/2245.122.240.0/2445.122.241.0/2445.122.243.0/2445.122.244.0/2245.122.245.0/2445.122.246.0/2445.122.247.0/2445.122.248.0/2245.122.248.0/2445.122.249.0/2445.122.250.0/2445.122.251.0/2445.122.252.0/2445.122.254.0/2445.122.255.0/24101.99.0.0/21101.99.0.0/23101.99.1.0/24101.99.2.0/23101.99.4.0/24101.99.5.0/24101.99.6.0/23101.99.6.0/24101.99.7.0/24101.99.8.0/21101.99.8.0/24101.99.10.0/24101.99.11.0/24101.99.12.0/22101.99.12.0/23101.99.12.0/24101.99.13.0/24101.99.14.0/24101.99.15.0/24101.99.16.0/21101.99.16.0/22101.99.16.0/23101.99.17.0/24101.99.18.0/23101.99.20.0/23101.99.20.0/24101.99.21.0/24101.99.22.0/24101.99.23.0/24101.99.24.0/21101.99.24.0/23101.99.24.0/24101.99.25.0/24101.99.26.0/23101.99.26.0/24101.99.27.0/24101.99.28.0/23101.99.28.0/24101.99.29.0/24101.99.30.0/23101.99.31.0/24101.99.32.0/21101.99.32.0/23101.99.34.0/24101.99.35.0/24101.99.36.0/24101.99.37.0/24101.99.38.0/24101.99.39.0/24101.99.40.0/23101.99.40.0/24101.99.41.0/24101.99.42.0/23101.99.44.0/23101.99.44.0/24101.99.45.0/24101.99.46.0/23101.99.46.0/24101.99.47.0/24101.99.48.0/21101.99.48.0/23101.99.50.0/23101.99.52.0/23101.99.54.0/23101.99.56.0/21101.99.56.0/24101.99.57.0/24101.99.59.0/24101.99.60.0/23101.99.60.0/24101.99.61.0/24101.99.62.0/23101.99.62.0/24101.99.63.0/24103.9.196.0/22103.9.196.0/24103.9.197.0/24103.9.198.0/23
Show 233 more
103.63.104.0/22103.63.104.0/24103.63.105.0/24103.63.106.0/24103.63.107.0/24103.63.108.0/22103.63.110.0/24103.63.111.0/24103.63.112.0/22103.63.112.0/24103.63.113.0/24103.63.114.0/24103.63.115.0/24103.63.116.0/23103.63.116.0/24103.63.117.0/24103.63.118.0/24103.63.119.0/24103.63.120.0/22103.63.120.0/24103.63.121.0/24103.63.122.0/24103.63.123.0/24103.108.132.0/24103.108.133.0/24103.108.134.0/24103.108.135.0/24103.224.168.0/22103.224.168.0/23103.224.170.0/24103.224.171.0/24103.229.40.0/22103.229.40.0/24103.229.41.0/24103.229.42.0/24103.229.43.0/24103.246.220.0/22103.246.220.0/23103.246.223.0/24113.20.96.0/19113.20.96.0/23113.20.98.0/23113.20.98.0/24113.20.99.0/24113.20.100.0/24113.20.102.0/23113.20.103.0/24113.20.104.0/24113.20.105.0/24113.20.106.0/24113.20.107.0/24113.20.108.0/23113.20.108.0/24113.20.109.0/24113.20.110.0/24113.20.111.0/24113.20.112.0/22113.20.112.0/23113.20.112.0/24113.20.113.0/24113.20.114.0/23113.20.115.0/24113.20.116.0/22113.20.116.0/24113.20.117.0/24113.20.118.0/23113.20.120.0/24113.20.121.0/24113.20.122.0/24113.20.123.0/24113.20.124.0/24113.20.125.0/24113.20.126.0/24113.20.127.0/24115.165.160.0/21115.165.160.0/24115.165.166.0/24119.82.129.0/24119.82.130.0/24119.82.131.0/24119.82.132.0/24119.82.134.0/24119.82.135.0/24119.82.137.0/24119.82.138.0/24119.82.139.0/24119.82.140.0/24119.82.141.0/24119.82.142.0/24119.82.143.0/24124.158.14.0/24144.48.24.0/24144.48.25.0/24144.48.26.0/24144.48.27.0/24162.4.8.0/24163.52.14.0/23183.91.0.0/20183.91.0.0/23183.91.0.0/24183.91.1.0/24183.91.2.0/23183.91.2.0/24183.91.3.0/24183.91.4.0/22183.91.4.0/24183.91.5.0/24183.91.6.0/23183.91.6.0/24183.91.7.0/24183.91.8.0/21183.91.8.0/22183.91.8.0/23183.91.8.0/24183.91.9.0/24183.91.10.0/24183.91.11.0/24183.91.12.0/23183.91.12.0/24183.91.13.0/24183.91.15.0/24183.91.16.0/20183.91.16.0/21183.91.16.0/22183.91.16.0/23183.91.17.0/24183.91.18.0/23183.91.18.0/24183.91.19.0/24183.91.20.0/22183.91.20.0/23183.91.21.0/24183.91.22.0/23183.91.22.0/24183.91.23.0/24183.91.24.0/21183.91.24.0/22183.91.24.0/24183.91.25.0/24183.91.26.0/23183.91.26.0/24183.91.27.0/24183.91.28.0/22183.91.28.0/23183.91.30.0/23183.91.30.0/24183.91.31.0/24202.134.16.0/22202.134.16.0/24202.134.17.0/24202.134.18.0/23202.134.18.0/24202.134.19.0/24202.134.20.0/22202.134.20.0/23202.134.20.0/24202.134.21.0/24202.134.22.0/24202.134.23.0/24203.171.16.0/23203.171.17.0/24203.171.18.0/23203.171.20.0/24203.171.21.0/24203.171.22.0/23203.171.23.0/24203.171.24.0/21203.171.24.0/24203.171.25.0/24203.171.26.0/23203.171.28.0/22203.171.28.0/23203.171.31.0/24203.205.0.0/24203.205.1.0/24203.205.2.0/24203.205.3.0/24203.205.5.0/24203.205.6.0/24203.205.7.0/24203.205.8.0/22203.205.8.0/24203.205.9.0/24203.205.10.0/24203.205.11.0/24203.205.12.0/24203.205.13.0/24203.205.16.0/21203.205.16.0/22203.205.16.0/24203.205.17.0/24203.205.18.0/24203.205.20.0/24203.205.21.0/24203.205.22.0/24203.205.23.0/24203.205.24.0/21203.205.24.0/24203.205.25.0/24203.205.26.0/23203.205.28.0/24203.205.29.0/24203.205.30.0/24203.205.31.0/24203.205.32.0/21203.205.32.0/23203.205.34.0/23203.205.35.0/24203.205.36.0/24203.205.37.0/24203.205.39.0/24203.205.40.0/21203.205.40.0/23203.205.42.0/23203.205.44.0/24203.205.45.0/24203.205.46.0/24203.205.47.0/24203.205.48.0/21203.205.48.0/23203.205.48.0/24203.205.50.0/23203.205.52.0/23203.205.54.0/23203.205.56.0/21203.205.57.0/24203.205.58.0/24203.205.59.0/24203.205.60.0/22203.205.60.0/24203.205.61.0/24203.205.62.0/24203.205.63.0/24
IPv6 (134)
2001:df7:6640::/482402:5300::/352402:5300::/482402:5300:400::/422402:5300:405::/482402:5300:406::/482402:5300:408::/482402:5300:40c::/482402:5300:40d::/482402:5300:40e::/482402:5300:40f::/482402:5300:410::/482402:5300:411::/482402:5300:412::/482402:5300:413::/482402:5300:414::/482402:5300:415::/482402:5300:416::/482402:5300:417::/482402:5300:418::/482402:5300:419::/482402:5300:41a::/482402:5300:41b::/482402:5300:500::/442402:5300:501::/482402:5300:508::/482402:5300:509::/482402:5300:50a::/482402:5300:50b::/482402:5300:600::/442402:5300:600::/482402:5300:608::/482402:5300:609::/482402:5300:60a::/482402:5300:60b::/482402:5300:700::/442402:5300:708::/482402:5300:709::/482402:5300:70a::/482402:5300:70b::/482402:5300:800::/442402:5300:808::/482402:5300:809::/482402:5300:80a::/482402:5300:80b::/482402:5300:900::/442402:5300:904::/482402:5300:905::/482402:5300:906::/482402:5300:907::/482402:5300:1000::/402402:5300:1100::/402402:5300:1200::/442402:5300:1208::/482402:5300:1209::/482402:5300:120a::/482402:5300:120b::/482402:5300:1300::/402402:5300:1400::/402402:5300:1500::/402402:5300:1600::/402402:5300:2000::/352402:5300:2000::/422402:5300:2010::/482402:5300:2011::/482402:5300:2012::/482402:5300:2013::/482402:5300:2014::/482402:5300:2015::/482402:5300:2016::/482402:5300:2017::/482402:5300:2018::/482402:5300:2019::/482402:5300:201a::/482402:5300:201b::/482402:5300:201c::/482402:5300:201d::/482402:5300:201e::/482402:5300:201f::/482402:5300:2100::/442402:5300:2108::/482402:5300:2109::/482402:5300:210a::/482402:5300:2200::/442402:5300:2300::/442402:5300:2404::/482402:5300:2405::/482402:5300:2406::/482402:5300:2407::/482402:5300:4000::/352402:5300:4000::/422402:5300:4003::/482402:5300:400c::/482402:5300:400d::/482402:5300:400e::/482402:5300:400f::/482402:5300:4012::/482402:5300:4013::/482402:5300:4014::/482402:5300:4015::/482402:5300:4016::/482402:5300:4017::/482402:5300:4100::/442402:5300:4104::/482402:5300:4105::/482402:5300:4106::/482402:5300:4107::/482402:5300:4200::/442402:5300:4201::/482402:5300:4204::/482402:5300:4205::/482402:5300:4206::/482402:5300:4207::/482402:5300:4300::/442402:5300:4304::/482402:5300:4305::/482402:5300:4306::/482402:5300:4307::/482402:5300:4308::/482402:5300:4400::/44
Show 14 more
2402:5300:4404::/482402:5300:4405::/482402:5300:4406::/482402:5300:4407::/482402:5300:4500::/442402:5300:4504::/482402:5300:4505::/482402:5300:4506::/482402:5300:4507::/482402:5300:4600::/442402:5300:4604::/482402:5300:4605::/482402:5300:4606::/482402:5300:4607::/48

RPKI valid   RPKI invalid   no ROA covers it

Neighbors

Who AS45903 is reached through

The AS just before AS45903 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

AS9304 HUTCHISON-AS-AP 40AS15412 FLAG-AS 17AS2914 NTT-DATA-2914 16AS3491 PCCWG-APAC-HK 10AS6939 HURRICANE 7AS58453 CMI-INT-HK 4AS5511 Opentransit 4AS3356 LEVEL3 3AS4766 KIXS-AS-KR-KR 3AS703 UUNET 2AS21859 ZEN-ECN 1
IRR

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
APNICCMCTELECOM-VNMAINT-VN-VNNIC
RADBCMC-1MAINT-AS45903

Route objects with origin AS45903: APNIC 8,290 · RADB 677 · NTTCOM 397

as-sets that list AS45903 (54)first 40 shown
AS-10099AS-24086AS-24088AS-45899AS-45899CUSTAS-45903AS-59318-AS-KHAS-7552AS-CTBC-CUSTOMERS245AS-CTBC-TOOLS-7AS-CWCUSTASIAAS-FLAGPAS-FLAGTAS-FPTAS-FPT_COMMUNICATIONSAS-HANOITELECOMAS-HGC-INTLAS-HKIXAS-HURRICANEAS-HURRICANEV6AS-HUTCHCITYAS-KORNETBGPAS-LUMEN-CUSTOMERS-ASNSAS-NEXUSGUARD-CLIENTSAS-SEABONECUSTASAS-SET-9930AS-SGGSAS-SINGTELAS-TELSTRA-INTL-CUSTOMERSAS-TRANSIT-NETNAMAS-TWIGAS-VDCAS-VNPTAS18403:AS-CONEAS3303:AS-SWCMPEERSAS3491:AS-CUSTOMERS-APAS45896:AS-DSAS45896:AS-DSSAS45896:AS-PPSAS58453:AS-AMERICAASCUST
Tools

Check AS45903 live

ASN lookup and WHOISRPKI validatorASPA validatorIRR lookup