AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
AS7497 (CSTNET-AS-AP) is registered to Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) in CN. It originates 635 prefixes in the global routing table.
467
IPv4 prefixes
168
IPv6 prefixes
867,840
IPv4 addresses
99%
RPKI valid
Registration
Who holds AS7497
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS7497
Handle
CSTNET-AS-AP
Organization
Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)
Country
CN
ASPA
None published
Routing
What AS7497 announces
Prefixes originated by AS7497 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
467
IPv6 prefixes
168
IPv4 addresses
867,840 (3,390 /24s)
RPKI valid
632 99%
RPKI invalid
0
RPKI not found
3
ROAs naming AS7497
1,032
With an IRR route object
51 8%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (467)
49.210.0.0/1549.210.0.0/2449.210.96.0/2249.210.128.0/2449.210.196.0/2449.210.252.0/2260.245.128.0/1760.245.128.0/2460.245.193.0/2460.245.194.0/2460.245.196.0/2460.245.197.0/2460.245.198.0/2460.245.208.0/21101.252.0.0/15103.2.208.0/22113.130.96.0/20113.130.112.0/21119.78.0.0/15119.78.2.0/24119.78.4.0/23119.78.6.0/24119.78.7.0/24119.78.64.0/20119.78.64.0/24119.78.78.0/23119.78.80.0/23119.78.84.0/23119.78.96.0/23119.78.98.0/23119.78.100.0/24119.78.101.0/24119.78.103.0/24119.78.104.0/22119.78.128.0/23119.78.130.0/23119.78.132.0/22119.78.160.0/22119.78.165.0/24119.78.167.0/24119.78.168.0/22119.78.172.0/23119.78.209.0/24119.78.210.0/24119.78.212.0/24119.78.213.0/24119.78.214.0/24119.78.216.0/24119.78.218.0/24119.78.224.0/19119.78.224.0/23119.78.226.0/23119.78.232.0/24119.78.234.0/24119.78.236.0/22119.78.241.0/24119.78.242.0/24119.78.243.0/24119.78.248.0/22119.78.253.0/24119.78.254.0/24119.78.255.0/24119.79.246.0/23119.79.248.0/21124.16.0.0/15124.16.0.0/23124.16.2.0/23124.16.4.0/22124.16.8.0/24124.16.9.0/24124.16.10.0/23124.16.10.0/24124.16.14.0/23124.16.26.0/23124.16.29.0/24124.16.31.0/24124.16.64.0/18124.16.64.0/19124.16.76.0/22124.16.84.0/22124.16.88.0/22124.16.96.0/23124.16.130.0/23124.16.132.0/23124.16.134.0/24124.16.136.0/22124.16.140.0/23124.16.142.0/23124.16.144.0/22124.16.149.0/24124.16.150.0/23124.16.152.0/24124.16.154.0/24124.16.156.0/23124.16.158.0/24124.16.160.0/22124.16.164.0/24124.16.165.0/24124.16.166.0/23124.16.170.0/23124.16.173.0/24124.16.174.0/23124.16.176.0/22124.16.180.0/24124.16.184.0/23124.16.186.0/24124.16.189.0/24124.16.190.0/24124.16.208.0/22124.16.212.0/24124.16.213.0/24124.16.214.0/24124.16.218.0/23124.16.220.0/23124.16.224.0/22124.16.228.0/23124.16.230.0/23124.16.232.0/22124.16.240.0/24124.16.241.0/24
Show 347 more
124.16.242.0/24124.16.243.0/24124.16.244.0/22124.16.248.0/24124.16.249.0/24124.16.250.0/24124.16.251.0/24124.16.253.0/24124.16.255.0/24124.17.1.0/24124.17.2.0/24124.17.3.0/24124.17.4.0/24124.17.5.0/24124.17.6.0/23124.17.13.0/24124.17.30.0/23124.17.32.0/23124.17.34.0/23124.17.36.0/24124.17.38.0/23124.17.40.0/24124.17.41.0/24124.17.80.0/21124.17.88.0/24124.17.90.0/24124.17.92.0/24124.17.96.0/19159.226.0.0/16159.226.5.0/24159.226.6.0/23159.226.11.0/24159.226.14.0/24159.226.16.0/23159.226.19.0/24159.226.20.0/23159.226.22.0/23159.226.24.0/24159.226.27.0/24159.226.28.0/23159.226.30.0/24159.226.31.0/24159.226.32.0/23159.226.34.0/24159.226.35.0/24159.226.36.0/23159.226.39.0/24159.226.40.0/23159.226.43.0/24159.226.44.0/24159.226.47.0/24159.226.49.0/24159.226.50.0/23159.226.52.0/22159.226.58.0/24159.226.59.0/24159.226.60.0/24159.226.63.0/24159.226.67.0/24159.226.68.0/24159.226.69.0/24159.226.71.0/24159.226.72.0/24159.226.73.0/24159.226.74.0/24159.226.75.0/24159.226.76.0/24159.226.77.0/24159.226.79.0/24159.226.84.0/23159.226.88.0/24159.226.89.0/24159.226.90.0/23159.226.92.0/24159.226.94.0/23159.226.96.0/24159.226.97.0/24159.226.100.0/24159.226.102.0/24159.226.103.0/24159.226.104.0/24159.226.109.0/24159.226.110.0/23159.226.112.0/24159.226.115.0/24159.226.116.0/24159.226.118.0/24159.226.121.0/24159.226.123.0/24159.226.124.0/24159.226.125.0/24159.226.126.0/23159.226.128.0/24159.226.129.0/24159.226.130.0/24159.226.131.0/24159.226.132.0/23159.226.139.0/24159.226.140.0/23159.226.142.0/24159.226.143.0/24159.226.145.0/24159.226.146.0/24159.226.147.0/24159.226.148.0/24159.226.149.0/24159.226.150.0/24159.226.151.0/24159.226.152.0/24159.226.153.0/24159.226.155.0/24159.226.156.0/24159.226.158.0/24159.226.159.0/24159.226.160.0/24159.226.161.0/24159.226.162.0/24159.226.163.0/24159.226.166.0/24159.226.167.0/24159.226.168.0/23159.226.170.0/23159.226.172.0/24159.226.173.0/24159.226.174.0/24159.226.175.0/24159.226.176.0/22159.226.180.0/23159.226.182.0/24159.226.185.0/24159.226.186.0/24159.226.188.0/23159.226.190.0/23159.226.192.0/22159.226.196.0/22159.226.200.0/24159.226.202.0/23159.226.204.0/24159.226.205.0/24159.226.216.0/23159.226.219.0/24159.226.222.0/24159.226.224.0/24159.226.226.0/24159.226.228.0/24159.226.230.0/23159.226.232.0/24159.226.233.0/24159.226.235.0/24159.226.236.0/23159.226.238.0/24159.226.240.0/24159.226.241.0/24159.226.242.0/23159.226.244.0/24159.226.245.0/24159.226.246.0/23159.226.249.0/24202.38.128.0/23202.122.32.0/21202.127.0.0/21202.127.0.0/24202.127.1.0/24202.127.2.0/24202.127.4.0/24202.127.6.0/24202.127.16.0/20202.127.16.0/23202.127.19.0/24202.127.20.0/24202.127.21.0/24202.127.22.0/24202.127.23.0/24202.127.24.0/24202.127.26.0/24202.127.27.0/24202.127.29.0/24202.127.30.0/23202.127.144.0/20202.127.144.0/23202.127.145.0/24202.127.146.0/24202.127.148.0/24202.127.151.0/24202.127.153.0/24202.127.155.0/24202.127.156.0/24202.127.157.0/24202.127.158.0/24202.127.200.0/21203.83.56.0/21210.72.0.0/17210.72.8.0/24210.72.9.0/24210.72.12.0/24210.72.13.0/24210.72.15.0/24210.72.17.0/24210.72.18.0/24210.72.19.0/24210.72.20.0/24210.72.21.0/24210.72.22.0/24210.72.23.0/24210.72.24.0/24210.72.25.0/24210.72.26.0/23210.72.30.0/23210.72.32.0/20210.72.48.0/20210.72.64.0/23210.72.66.0/24210.72.67.0/24210.72.68.0/24210.72.70.0/23210.72.74.0/24210.72.75.0/24210.72.80.0/22210.72.88.0/23210.72.91.0/24210.72.92.0/23210.72.94.0/24210.72.95.0/24210.72.96.0/19210.72.128.0/19210.72.128.0/24210.72.129.0/24210.72.130.0/24210.72.132.0/24210.72.136.0/24210.72.137.0/24210.72.138.0/23210.72.140.0/23210.72.142.0/24210.72.144.0/23210.72.146.0/24210.72.147.0/24210.72.148.0/23210.72.150.0/24210.72.152.0/23210.72.154.0/23210.72.156.0/23210.72.158.0/24210.72.159.0/24210.73.0.0/18210.73.1.0/24210.73.2.0/23210.73.4.0/24210.73.5.0/24210.73.6.0/24210.73.7.0/24210.73.10.0/24210.73.12.0/24210.73.15.0/24210.73.16.0/20210.73.32.0/23210.73.34.0/24210.73.35.0/24210.73.36.0/24210.73.40.0/23210.73.48.0/24210.73.50.0/23210.73.50.0/24210.73.52.0/24210.73.54.0/23210.73.56.0/23210.73.59.0/24210.73.60.0/24210.73.61.0/24210.73.62.0/23210.75.224.0/19210.75.224.0/24210.75.225.0/24210.75.226.0/23210.75.228.0/22210.75.232.0/24210.75.233.0/24210.75.234.0/24210.75.235.0/24210.75.236.0/23210.75.236.0/24210.75.237.0/24210.75.238.0/24210.75.239.0/24210.75.240.0/23210.75.243.0/24210.75.247.0/24210.75.248.0/23210.75.252.0/23210.75.254.0/23210.76.192.0/19210.76.192.0/21210.76.192.0/22210.76.197.0/24210.76.198.0/23210.76.200.0/21210.76.202.0/24210.76.206.0/23210.76.208.0/21210.76.208.0/23210.76.210.0/24210.76.212.0/22210.76.216.0/21210.76.216.0/22210.77.0.0/19210.77.0.0/21210.77.2.0/23210.77.4.0/22210.77.8.0/21210.77.8.0/22210.77.12.0/23210.77.14.0/23210.77.16.0/21210.77.22.0/23210.77.24.0/21210.77.24.0/23210.77.26.0/23210.77.31.0/24210.77.64.0/19210.77.64.0/24210.77.65.0/24210.77.66.0/24210.77.67.0/24210.77.68.0/23210.77.70.0/24210.77.71.0/24210.77.72.0/22210.77.76.0/24210.77.77.0/24210.77.78.0/23210.77.80.0/23210.77.82.0/24210.77.83.0/24210.77.84.0/23210.77.86.0/23210.77.88.0/22210.77.91.0/24210.77.92.0/22223.192.0.0/15223.193.0.0/20223.193.16.0/22223.193.20.0/24223.193.33.0/24223.193.34.0/24223.193.36.0/24223.193.40.0/21223.193.52.0/24
IPv6 (168)
2001:cc0::/322400:dd00::/282400:dd01:1001::/482400:dd01:1002::/482400:dd01:1003::/482400:dd01:1004::/482400:dd01:1005::/482400:dd01:1006::/482400:dd01:1007::/482400:dd01:1008::/482400:dd01:1009::/482400:dd01:100b::/482400:dd01:100c::/482400:dd01:100d::/482400:dd01:100e::/482400:dd01:100f::/482400:dd01:1011::/482400:dd01:1012::/482400:dd01:1013::/482400:dd01:1014::/482400:dd01:1015::/482400:dd01:1017::/482400:dd01:101a::/482400:dd01:101c::/482400:dd01:1020::/482400:dd01:1021::/482400:dd01:1023::/482400:dd01:1024::/482400:dd01:1025::/482400:dd01:1027::/482400:dd01:1029::/482400:dd01:102a::/482400:dd01:102b::/482400:dd01:102c::/482400:dd01:102d::/482400:dd01:102e::/482400:dd01:102f::/482400:dd01:1030::/482400:dd01:1031::/482400:dd01:1032::/482400:dd01:1033::/482400:dd01:1034::/482400:dd01:1035::/482400:dd01:1036::/482400:dd01:1037::/482400:dd01:1038::/482400:dd01:1039::/482400:dd01:103a::/482400:dd01:103b::/482400:dd01:103d::/482400:dd01:103e::/482400:dd01:103f::/482400:dd01:2000::/482400:dd01:2001::/482400:dd01:2002::/482400:dd01:2003::/482400:dd01:2005::/482400:dd01:2006::/482400:dd01:2007::/482400:dd01:2008::/482400:dd01:2009::/482400:dd01:200a::/482400:dd01:200b::/482400:dd01:200c::/482400:dd01:200d::/482400:dd01:200f::/482400:dd01:3001::/482400:dd01:3002::/482400:dd01:3004::/482400:dd01:3007::/482400:dd01:3008::/482400:dd01:3009::/482400:dd01:300a::/482400:dd01:300b::/482400:dd01:300c::/482400:dd01:300e::/482400:dd01:300f::/482400:dd01:3010::/482400:dd01:3011::/482400:dd01:3012::/482400:dd01:3013::/482400:dd01:3014::/482400:dd01:3018::/482400:dd01:301a::/482400:dd01:301b::/482400:dd01:3020::/482400:dd01:e001::/482400:dd02:1003::/482400:dd02:1004::/482400:dd02:1005::/482400:dd02:1006::/482400:dd02:1007::/482400:dd02:1008::/482400:dd02:1009::/482400:dd02:100a::/482400:dd02:100c::/482400:dd02:100d::/482400:dd02:100e::/482400:dd02:100f::/482400:dd02:1010::/482400:dd02:1011::/482400:dd02:1012::/482400:dd02:2000::/482400:dd02:2001::/482400:dd03:fff::/482400:dd03:1000::/482400:dd03:1001::/482400:dd03:1002::/482400:dd03:1003::/482400:dd03:1004::/482400:dd03:1005::/482400:dd03:1006::/482400:dd03:1007::/482400:dd03:1008::/482400:dd03:100a::/482400:dd03:1fff::/482400:dd03:2000::/482400:dd04:1000::/482400:dd04:1001::/482400:dd04:1002::/48
Show 48 more
2400:dd04:1003::/482400:dd04:1004::/482400:dd04:1005::/482400:dd04:1006::/482400:dd04:1007::/482400:dd05:1000::/482400:dd05:1001::/482400:dd05:1002::/482400:dd05:1003::/482400:dd05:1004::/482400:dd05:1005::/482400:dd05:1006::/482400:dd06:1001::/482400:dd06:1002::/482400:dd06:1003::/482400:dd06:1004::/482400:dd06:1005::/482400:dd07:1000::/482400:dd07:1001::/482400:dd07:1002::/482400:dd07:1003::/482400:dd07:1004::/482400:dd07:1005::/482400:dd08:1001::/482400:dd08:1002::/482400:dd08:1003::/482400:dd08:1004::/482400:dd08:1006::/482400:dd09:1001::/482400:dd09:1002::/482400:dd09:1003::/482400:dd09:1004::/482400:dd09:1005::/482400:dd0a:1001::/482400:dd0a:1002::/482400:dd0a:1003::/482400:dd0a:1004::/482400:dd0a:1005::/482400:dd0a:1006::/482400:dd0b:1001::/482400:dd0b:1002::/482400:dd0b:1003::/482400:dd0b:1004::/482400:dd0b:1005::/482400:dd0d:1001::/482400:dd0d:1002::/482400:dd0d:2000::/482401:de00::/32
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS7497 is reached through
The AS just before AS7497 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.
IRR
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| APNIC | CSTNET-AS-AP | APNIC-HM |
Route objects with origin AS7497: RADB 119 · NTTCOM 72 · APNIC 60 · LEVEL3 5
as-sets that list AS7497 (17)
AS-ANC-CUSTOMER-PROXY-REGISTERAS-CTBJAS-HKIXAS-LEVEL3-ORIGINS-NAAS-PACNET-CUSTOMER-PROXY-REGISTERAS-XO-BAS20965:AS-FROM-TEIN-TO-GEANTAS23855:AS-NREN-TRANSITAS23911:AS-CUSTOMERS-V6AS293:AS-FROM-SINGAREN-TO-ESNETAS3491:AS-CUSTOMERS-APAS4538:AS-CUSTOMERSAS4538:AS-CUSTOMERS-V6AS7497:AS-CSTNETAS7497:AS-CSTNET-V6AS7497:AS-CUSTOMERSAS7575:AS-RESEARCH