ResearchRouting table, RPKI, IRR & looking glass

AS138421 China Unicom

AS138421 (CU-CN-AS) is registered to China Unicom in CN. It originates 263 prefixes in the global routing table.

226
IPv4 prefixes
37
IPv6 prefixes
99,328
IPv4 addresses
98%
RPKI valid

Who holds AS138421

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

AS number
AS138421
Handle
CU-CN-AS
Organization
China Unicom
Country
CN
ASPA
None published

What AS138421 announces

Prefixes originated by AS138421 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
226
IPv6 prefixes
37
IPv4 addresses
99,328 (388 /24s)
RPKI valid
259 98%
RPKI invalid
0
RPKI not found
4
ROAs naming AS138421
295
With an IRR route object
166 63%

Announced prefixes

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

IPv4 (226)
43.240.124.0/2443.240.125.0/2443.240.126.0/2343.240.128.0/2343.240.130.0/2343.240.192.0/2243.254.44.0/2343.254.46.0/2343.254.104.0/2443.254.105.0/2443.254.106.0/2443.254.144.0/2443.254.145.0/2443.254.146.0/2443.254.147.0/2443.254.148.0/2245.253.24.0/2445.253.25.0/2445.253.26.0/2445.253.27.0/2445.253.32.0/2458.246.165.0/2458.246.207.0/2458.247.254.0/23103.6.222.0/24103.6.223.0/24103.36.174.0/23103.68.128.0/22103.192.212.0/22103.220.164.0/22103.220.167.0/24103.222.40.0/24103.222.41.0/24103.222.42.0/24103.222.43.0/24112.64.32.0/24112.64.33.0/24112.64.34.0/24112.64.35.0/24112.64.45.0/24112.64.64.0/24112.64.112.0/22112.64.212.0/22112.65.64.0/24112.65.66.0/24112.65.72.0/24112.65.73.0/24112.65.74.0/24112.65.75.0/24112.65.94.0/24112.65.112.0/24112.65.116.0/23112.65.116.0/24112.65.117.0/24112.65.216.0/24112.65.217.0/24112.65.219.0/24112.65.220.0/24112.65.222.0/23112.65.222.0/24112.65.223.0/24112.65.224.0/23112.65.226.0/24112.65.227.0/24112.65.228.0/22112.65.232.0/23112.65.235.0/24112.65.237.0/24112.65.238.0/24112.65.240.0/20116.128.149.0/24116.128.189.0/24116.128.190.0/23116.128.190.0/24116.128.191.0/24116.198.160.0/21122.9.64.0/19122.9.176.0/20139.227.231.0/24140.206.167.0/24140.206.200.0/22140.206.200.0/24140.206.201.0/24140.206.202.0/24140.206.203.0/24140.206.204.0/24140.206.208.0/23140.206.211.0/24140.206.212.0/22140.206.212.0/24140.206.213.0/24140.206.216.0/22140.206.219.0/24140.206.228.0/24140.206.229.0/24140.206.230.0/24140.206.231.0/24140.206.232.0/24140.206.234.0/24140.206.238.0/24140.206.240.0/22140.206.244.0/24140.206.247.0/24140.207.69.0/24140.207.70.0/24140.207.72.0/24140.207.73.0/24140.207.130.0/24140.207.131.0/24140.207.134.0/24140.207.135.0/24140.207.138.0/23140.207.140.0/23140.207.208.0/21140.207.208.0/24140.207.209.0/24140.207.210.0/24140.207.211.0/24140.207.212.0/24140.207.213.0/24
Show 106 more
140.207.214.0/24140.207.215.0/24140.207.216.0/21140.207.216.0/22140.207.216.0/24140.207.217.0/24140.207.218.0/24140.207.219.0/24140.207.220.0/22140.207.220.0/24140.207.224.0/21140.207.233.0/24140.207.235.0/24140.207.237.0/24140.207.238.0/23140.207.240.0/23140.207.241.0/24140.207.244.0/23140.207.245.0/24140.207.246.0/24140.207.248.0/23140.207.249.0/24140.207.251.0/24140.207.252.0/22140.207.255.0/24203.166.160.0/22203.166.165.0/24203.166.166.0/24203.166.172.0/24203.166.177.0/24203.166.186.0/23203.166.188.0/24203.166.189.0/24203.166.191.0/24210.22.165.0/24210.51.20.0/22210.51.25.0/24210.51.26.0/24210.51.27.0/24210.51.32.0/24210.51.34.0/23210.51.36.0/22210.51.36.0/24210.51.40.0/24210.51.41.0/24210.51.46.0/24210.51.47.0/24210.51.48.0/22210.51.52.0/24210.51.53.0/24210.51.54.0/23210.51.56.0/23210.51.59.0/24210.51.61.0/24210.51.62.0/23210.52.212.0/24211.95.22.0/24211.95.54.0/24211.95.55.0/24211.95.60.0/24211.95.73.0/24211.95.75.0/24211.95.76.0/24211.95.79.0/24220.196.42.0/24220.196.53.0/24220.196.58.0/24220.196.88.0/24220.196.89.0/24220.196.90.0/24220.196.91.0/24220.196.92.0/22220.196.92.0/24220.196.93.0/24220.196.94.0/24220.196.95.0/24220.196.164.0/22220.196.168.0/22220.196.172.0/22220.196.180.0/22220.196.184.0/24220.196.185.0/24220.196.186.0/23220.196.186.0/24220.196.187.0/24220.196.188.0/24220.196.189.0/24220.196.190.0/23220.196.224.0/19220.196.240.0/21220.196.240.0/24220.196.241.0/24220.196.242.0/24220.196.243.0/24220.196.244.0/24220.196.245.0/24220.196.246.0/24220.196.247.0/24220.196.248.0/22223.167.85.0/24223.167.106.0/24223.167.107.0/24223.167.108.0/24223.167.109.0/24223.167.110.0/24223.167.111.0/24
IPv6 (37)

RPKI valid   RPKI invalid   no ROA covers it

Who AS138421 is reached through

The AS just before AS138421 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.

Routing registry objects

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

Sourceas-nameMaintained by
APNICCU-CN-ASAPNIC-HM

Route objects with origin AS138421: APNIC 151 · RADB 36

as-sets that list AS138421 (5)