AS23764 CTGNet
AS23764 is registered to CTGNet in HK. It originates 210 prefixes in the global routing table.
181
IPv4 prefixes
29
IPv6 prefixes
50,432
IPv4 addresses
94%
RPKI valid
Registration
Who holds AS23764
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS23764
Handle
CTGNet
Organization
CTGNet
Country
HK
ASPA
None published
Routing
What AS23764 announces
Prefixes originated by AS23764 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
181
IPv6 prefixes
29
IPv4 addresses
50,432 (197 /24s)
RPKI valid
199 94%
RPKI invalid
0
RPKI not found
11
ROAs naming AS23764
436
With an IRR route object
196 93%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (181)
5.10.136.0/245.154.130.0/245.154.144.0/245.154.145.0/245.154.146.0/245.154.147.0/245.154.154.0/245.154.155.0/245.154.156.0/245.154.157.0/245.154.158.0/245.154.159.0/2445.195.4.0/2445.195.5.0/2445.195.7.0/2445.196.24.0/2445.196.25.0/2445.196.27.0/2461.186.2.0/2463.140.4.0/2463.140.8.0/2463.140.14.0/2469.194.163.0/2469.194.171.0/2469.194.172.0/2469.194.173.0/2469.194.175.0/2479.139.4.0/2479.139.5.0/2479.139.6.0/2479.139.8.0/2479.139.10.0/2479.139.11.0/2479.139.13.0/2479.139.14.0/2495.130.192.0/2495.130.194.0/2495.130.199.0/24102.217.164.0/24102.217.166.0/24102.217.167.0/24121.59.38.0/24121.59.100.0/24121.59.106.0/24121.59.120.0/24121.59.122.0/24121.59.124.0/24121.59.140.0/24125.93.24.0/24125.93.25.0/24125.93.26.0/24125.93.27.0/24131.221.80.0/24131.221.81.0/24131.221.82.0/24131.221.83.0/24139.189.127.0/24145.14.64.0/24145.14.69.0/24145.14.79.0/24145.14.92.0/24147.78.133.0/24147.78.135.0/24154.72.40.0/24154.72.41.0/24154.72.42.0/24154.72.43.0/24154.72.45.0/24154.72.46.0/24154.209.21.0/24154.209.23.0/24156.238.20.0/24156.242.4.0/24156.242.8.0/24183.91.51.0/24183.91.63.0/24185.75.172.0/24202.55.2.0/24202.55.3.0/24202.55.5.0/24202.55.6.0/24202.55.7.0/24202.55.8.0/21202.55.14.0/24202.55.15.0/24202.55.16.0/24202.55.17.0/24202.55.30.0/24203.8.30.0/24203.12.200.0/24203.12.201.0/24203.12.202.0/24203.12.203.0/24203.12.204.0/24203.12.205.0/24203.14.188.0/24203.14.189.0/24203.14.190.0/24203.14.191.0/24203.15.113.0/24203.15.116.0/24203.15.117.0/24203.15.118.0/24203.19.32.0/22203.19.32.0/24203.19.37.0/24203.19.38.0/24203.20.51.0/24203.20.136.0/24203.20.137.0/24203.20.140.0/24203.20.141.0/24203.20.142.0/24203.20.143.0/24203.33.8.0/24203.33.9.0/24203.33.10.0/24203.34.194.0/24203.34.196.0/24203.34.197.0/24
Show 61 more
203.34.199.0/24203.56.55.0/24203.80.136.0/24203.80.137.0/24203.80.138.0/24203.80.139.0/24203.80.141.0/24203.81.0.0/24203.81.3.0/24203.81.4.0/24203.81.6.0/24203.82.17.0/24203.82.18.0/24203.82.19.0/24203.82.23.0/24203.86.103.0/24203.86.106.0/24203.86.109.0/24203.86.111.0/24203.86.113.0/24203.86.115.0/24203.86.126.0/24203.86.127.0/24203.89.10.0/24203.89.11.0/24203.89.12.0/24203.99.10.0/24203.99.11.0/24203.99.13.0/24203.100.52.0/24203.100.54.0/24203.119.120.0/24203.119.124.0/24203.119.125.0/24203.128.229.0/24203.128.230.0/24203.129.9.0/24203.144.101.0/24203.144.103.0/24203.144.104.0/24203.144.105.0/24203.195.115.0/24203.196.8.0/24203.196.9.0/24203.196.10.0/24203.196.11.0/24203.196.12.0/24203.196.13.0/24203.196.14.0/24203.196.15.0/24210.48.136.0/22210.48.140.0/22218.30.39.0/24218.30.62.0/23218.185.241.0/24218.185.243.0/24218.185.245.0/24220.174.26.0/23220.174.94.0/23220.247.140.0/24220.247.141.0/24
IPv6 (29)
2400:9380:9002::/482400:9380:9115::/482400:9380:9116::/482400:9380:9206::/482400:9380:a003::/482400:9380:a00a::/482400:9380:a00c::/482400:9380:a014::/482400:9380:a016::/482400:9380:a01f::/482400:9380:a022::/482400:9380:a028::/482400:9380:a042::/482400:9380:a110::/48240e:97d:8000::/482804:1e48:9001::/482804:1e48:9003::/482a04:f580:9001::/482a04:f580:9090::/482a04:f581:110b::/482a04:f581:a123::/482a04:f581:a125::/482c0f:f7a8:1::/482c0f:f7a8:2::/482c0f:f7a8:24::/482c0f:f7a8:29::/482c0f:f7a8:37::/482c0f:f7a8:47::/482c0f:f7a8:9011::/48
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS23764 is reached through
The AS just before AS23764 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.
ASPA
Provider authorization
AS23764 publishes no ASPA of its own. 6 ASes name it as a provider in theirs. Check a path.
The 6 ASes that name AS23764 as a provider
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 | CTGNet | APNIC-HM |
Route objects with origin AS23764: APNIC 6,815 · RADB 325 · RIPE 62 · AFRINIC 7
as-sets that list AS23764 (80)first 40 shown
AS-131274AS-36678AS-ANCAS-BKNIX-RSAS-BNIXAS-BTELEKOMAS-CN2AS-CTBAS-CTB-ANTIDDOSAS-CTBC-CUSTOMERS247AS-CTBC-TOOLS-7AS-CTGNETAS-CTGNET-CUTAS-EMIXAS-HGC-INTLAS-HURRICANEAS-HURRICANEV6AS-IIJAS-KDDAS-KDDCUSTOMER2AS-LEVEL3-ORIGINS-NAAS-LIQUIDAS-LUMEN-CUSTOMERS-ASNSAS-MANDA-AMSIX-PEERS-V4AS-MANDA-AMSIX-PEERS-V6AS-MANDA-DECIX-PEERS-V4AS-MANDA-DECIX-PEERS-V6AS-MANDA-LINX-PEERS-V4AS-MANDA-LINX-PEERS-V6AS-PACNETAS-PNAPTOKAS-REACH-CUSTOMERSAS-RIS-RRC12AS-SET-SEACOMAS-SINGTELAS-TDATANETSAAS-TELSTRA-INTL-CUSTOMERSAS-TRANSROUTE-SPECAS-TX-NETAS-VIX-MEMBERS