AS17638 ASN for TIANJIN Provincial Net of CT
AS17638 (CHINATELECOM-TJ-AS-AP) is registered to ASN for TIANJIN Provincial Net of CT in CN. It originates 526 prefixes in the global routing table.
507
IPv4 prefixes
19
IPv6 prefixes
713,728
IPv4 addresses
98%
RPKI valid
Registration
Who holds AS17638
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS17638
Handle
CHINATELECOM-TJ-AS-AP
Organization
ASN for TIANJIN Provincial Net of CT
Country
CN
ASPA
None published
Routing
What AS17638 announces
Prefixes originated by AS17638 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
507
IPv6 prefixes
19
IPv4 addresses
713,728 (2,788 /24s)
RPKI valid
519 98%
RPKI invalid
0
RPKI not found
7
ROAs naming AS17638
538
With an IRR route object
526 100%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (507)
36.106.0.0/1736.106.1.0/2436.106.4.0/2436.106.5.0/2436.106.6.0/2436.106.8.0/2436.106.9.0/2436.106.10.0/2436.106.11.0/2436.106.12.0/2436.106.13.0/2436.106.14.0/2436.106.15.0/2436.106.17.0/2436.106.19.0/2436.106.20.0/2436.106.22.0/2336.106.24.0/2436.106.25.0/2436.106.26.0/2436.106.27.0/2436.106.28.0/2236.106.34.0/2436.106.39.0/2436.106.40.0/2336.106.42.0/2436.106.43.0/2436.106.44.0/2436.106.45.0/2436.106.46.0/2436.106.47.0/2436.106.48.0/2236.106.52.0/2236.106.56.0/2236.106.60.0/2236.106.64.0/2236.106.68.0/2236.106.72.0/2236.106.76.0/2236.106.80.0/2236.106.84.0/2236.106.96.0/2236.106.100.0/2236.106.104.0/2336.106.106.0/2336.106.108.0/2236.106.116.0/2236.106.120.0/2236.106.124.0/2236.106.128.0/1736.106.128.0/2236.106.132.0/2236.106.136.0/2436.106.137.0/2436.106.138.0/2436.106.139.0/2436.106.140.0/2336.106.142.0/2436.106.143.0/2436.106.144.0/2236.106.148.0/2336.106.150.0/2436.106.151.0/2436.106.152.0/2236.106.156.0/2336.106.158.0/2336.106.160.0/2336.106.162.0/2336.106.164.0/2336.106.166.0/2336.106.168.0/2236.106.176.0/2336.106.178.0/2336.106.180.0/2236.106.196.0/2336.106.198.0/2336.106.220.0/2236.106.224.0/2236.106.228.0/2236.106.232.0/2236.106.236.0/2236.106.244.0/2336.106.246.0/2336.106.248.0/2236.106.252.0/2242.80.0.0/1542.80.20.0/2342.80.30.0/2442.80.31.0/2442.80.33.0/2442.80.41.0/2442.80.42.0/2442.80.43.0/2442.80.216.0/2442.80.218.0/2442.80.219.0/2442.80.239.0/2442.122.0.0/1642.122.0.0/2142.122.8.0/2242.122.12.0/2242.122.40.0/2242.122.44.0/2242.122.48.0/2242.122.52.0/2242.122.64.0/1842.122.128.0/2242.122.132.0/2242.122.140.0/2242.122.144.0/2142.122.152.0/2242.122.156.0/2242.122.160.0/2142.122.184.0/2242.122.188.0/2242.122.200.0/2242.122.204.0/2242.122.208.0/2242.122.212.0/2242.122.216.0/22
Show 387 more
42.122.220.0/2242.122.225.0/2442.122.226.0/2442.122.228.0/2242.122.232.0/2142.122.240.0/2142.122.248.0/2342.122.250.0/2342.122.252.0/22106.47.0.0/16106.47.0.0/23106.47.2.0/23106.47.4.0/23106.47.6.0/23106.47.8.0/24106.47.9.0/24106.47.10.0/24106.47.11.0/24106.47.12.0/22106.47.16.0/24106.47.17.0/24106.47.18.0/24106.47.19.0/24106.47.20.0/22106.47.24.0/22106.47.28.0/22106.47.32.0/22106.47.36.0/22106.47.40.0/22106.47.44.0/22106.47.48.0/22106.47.52.0/24106.47.53.0/24106.47.54.0/23106.47.56.0/24106.47.57.0/24106.47.58.0/24106.47.59.0/24106.47.60.0/24106.47.61.0/24106.47.62.0/24106.47.63.0/24106.47.64.0/24106.47.65.0/24106.47.66.0/24106.47.67.0/24106.47.68.0/24106.47.69.0/24106.47.70.0/24106.47.71.0/24106.47.72.0/24106.47.73.0/24106.47.74.0/24106.47.75.0/24106.47.76.0/24106.47.77.0/24106.47.78.0/24106.47.79.0/24106.47.80.0/24106.47.81.0/24106.47.89.0/24106.47.90.0/23106.47.92.0/24106.47.93.0/24106.47.94.0/24106.47.95.0/24106.47.96.0/24106.47.97.0/24106.47.98.0/24106.47.99.0/24106.47.100.0/24106.47.101.0/24106.47.102.0/24106.47.103.0/24106.47.108.0/24106.47.109.0/24106.47.110.0/24106.47.111.0/24106.47.112.0/24106.47.113.0/24106.47.114.0/24106.47.115.0/24106.47.116.0/24106.47.117.0/24106.47.118.0/24106.47.119.0/24106.47.120.0/22106.47.124.0/24106.47.125.0/24106.47.126.0/24106.47.127.0/24106.47.128.0/22106.47.132.0/22106.47.136.0/23106.47.138.0/23106.47.140.0/23106.47.142.0/23106.47.144.0/24106.47.145.0/24106.47.146.0/24106.47.147.0/24106.47.148.0/22106.47.152.0/23106.47.154.0/23106.47.156.0/23106.47.158.0/23106.47.160.0/22106.47.164.0/22106.47.168.0/22106.47.172.0/22106.47.176.0/23106.47.178.0/24106.47.180.0/23106.47.182.0/23106.47.184.0/24106.47.185.0/24106.47.186.0/24106.47.187.0/24106.47.188.0/24106.47.189.0/24106.47.190.0/24106.47.191.0/24106.47.192.0/23106.47.194.0/23106.47.196.0/23106.47.198.0/23106.47.200.0/23106.47.202.0/23106.47.208.0/24106.47.209.0/24106.47.210.0/24106.47.211.0/24106.47.212.0/24106.47.216.0/23106.47.218.0/23106.47.220.0/24106.47.222.0/23123.150.0.0/15123.150.0.0/16123.150.4.0/24123.150.6.0/24123.150.7.0/24123.150.11.0/24123.150.12.0/22123.150.14.0/24123.150.16.0/20123.150.34.0/24123.150.37.0/24123.150.43.0/24123.150.46.0/24123.150.57.0/24123.150.65.0/24123.150.81.0/24123.150.92.0/24123.150.95.0/24123.150.96.0/24123.150.103.0/24123.150.109.0/24123.150.141.0/24123.150.143.0/24123.150.145.0/24123.150.147.0/24123.150.220.0/23123.150.222.0/23123.150.242.0/24123.150.253.0/24123.150.254.0/24123.150.255.0/24123.151.0.0/16123.151.0.0/17123.151.0.0/21123.151.17.0/24123.151.21.0/24123.151.24.0/24123.151.89.0/24123.151.112.0/24123.151.113.0/24123.151.126.0/23123.151.128.0/21123.151.130.0/23123.151.146.0/24123.151.147.0/24123.151.162.0/24123.151.163.0/24123.151.173.0/24125.213.32.0/20180.212.0.0/15180.212.0.0/24180.212.1.0/24180.212.2.0/23180.212.4.0/23180.212.6.0/23180.212.8.0/22180.212.12.0/22180.212.16.0/22180.212.20.0/23180.212.24.0/23180.212.28.0/22180.212.32.0/24180.212.33.0/24180.212.35.0/24180.212.40.0/22180.212.44.0/22180.212.48.0/24180.212.49.0/24180.212.50.0/24180.212.56.0/23180.212.58.0/23180.212.64.0/20180.212.64.0/23180.212.66.0/23180.212.68.0/23180.212.70.0/23180.212.76.0/23180.212.78.0/23180.212.80.0/23180.212.83.0/24180.212.84.0/22180.212.88.0/22180.212.92.0/22180.212.96.0/22180.212.100.0/22180.212.104.0/22180.212.108.0/22180.212.112.0/24180.212.113.0/24180.212.114.0/24180.212.115.0/24180.212.116.0/23180.212.118.0/24180.212.120.0/21180.212.128.0/22180.212.132.0/23180.212.134.0/23180.212.136.0/23180.212.138.0/24180.212.139.0/24180.212.141.0/24180.212.142.0/24180.212.143.0/24180.212.144.0/23180.212.146.0/24180.212.147.0/24180.212.152.0/23180.212.155.0/24180.212.156.0/22180.212.160.0/23180.212.162.0/24180.212.163.0/24180.212.166.0/23180.212.168.0/21180.212.176.0/23180.212.178.0/23180.212.182.0/24180.212.183.0/24180.212.184.0/22180.212.188.0/22180.212.192.0/21180.212.200.0/21180.212.208.0/22180.212.212.0/22180.212.224.0/23180.212.226.0/23180.212.228.0/23180.212.230.0/23180.212.232.0/23180.212.234.0/24180.212.235.0/24180.212.236.0/22180.212.240.0/24180.212.241.0/24180.212.242.0/23180.212.244.0/22180.212.244.0/23180.212.248.0/22180.212.252.0/23180.212.254.0/24180.213.10.0/24180.213.12.0/24180.213.13.0/24180.213.27.0/24180.213.28.0/24180.213.29.0/24180.213.30.0/24180.213.38.0/24180.213.68.0/22180.213.96.0/22180.213.144.0/22180.213.148.0/22202.143.16.0/23218.30.175.0/24218.30.189.0/24219.150.32.0/20219.150.48.0/20219.150.50.0/24219.150.53.0/24219.150.64.0/20219.150.80.0/20219.150.86.0/24219.150.96.0/20219.150.96.0/24221.238.0.0/18221.238.4.0/24221.238.6.0/24221.238.11.0/24221.238.13.0/24221.238.15.0/24221.238.33.0/24221.238.40.0/24221.238.59.0/24221.238.64.0/18221.238.64.0/24221.238.71.0/24221.238.82.0/24221.238.114.0/24221.238.128.0/18221.238.140.0/24221.238.141.0/24221.238.147.0/24221.238.148.0/24221.238.151.0/24221.238.152.0/24221.238.153.0/24221.238.175.0/24221.238.176.0/24221.238.187.0/24221.238.192.0/18221.238.202.0/24221.238.203.0/24221.238.204.0/24221.238.206.0/24221.238.208.0/24221.238.214.0/24221.238.217.0/24221.238.219.0/24221.238.220.0/24221.238.231.0/24221.238.232.0/24221.238.234.0/24221.238.237.0/24221.238.240.0/24221.238.242.0/24221.239.0.0/18221.239.0.0/24221.239.5.0/24221.239.6.0/24221.239.8.0/24221.239.9.0/24221.239.16.0/24221.239.18.0/24221.239.19.0/24221.239.21.0/24221.239.23.0/24221.239.24.0/24221.239.26.0/24221.239.27.0/24221.239.28.0/24221.239.29.0/24221.239.30.0/24221.239.44.0/24221.239.45.0/24221.239.53.0/24221.239.54.0/24221.239.55.0/24221.239.57.0/24221.239.58.0/24221.239.59.0/24221.239.62.0/24221.239.64.0/18221.239.65.0/24221.239.66.0/24221.239.71.0/24221.239.75.0/24221.239.86.0/24221.239.87.0/24221.239.88.0/24221.239.89.0/24221.239.90.0/24221.239.91.0/24221.239.93.0/24221.239.95.0/24221.239.97.0/24221.239.101.0/24221.239.103.0/24221.239.116.0/24221.239.117.0/24221.239.121.0/24
IPv6 (19)
240e:5::/33240e:45::/33240e:45:1::/48240e:94::/31240e:108:1290::/44240e:108:4161::/48240e:108:4166::/48240e:108:4961::/48240e:328::/32240e:628::/32240e:628::/33240e:628:5::/48240e:628:8000::/33240e:929::/32240e:983:900::/40240e:983:900::/48240e:983:901::/48240e:983:902::/48240e:983:903::/48
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS17638 is reached through
The AS just before AS17638 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 | CHINATELECOM-TJ-AS-AP | APNIC-HM |
Route objects with origin AS17638: RADB 618 · APNIC 5 · NTTCOM 1
as-sets that list AS17638 (7)