AS23780
CTB
CTB Media Inc.
Registry
Authoritative registration data
- AS number
- 23780
- Name
- CTB
- Organisation
- CTB Media Inc.
- Country
-
JP
Japan
- RIR
- APNIC
- Registered
- —
IPv4 prefixes
5
IPv6 prefixes
1
Total announced
6
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 211.19.224.0/19 | IPv4 | /19 | not checked | |
| 211.15.112.0/20 | IPv4 | /20 | not checked | |
| 49.128.24.0/21 | IPv4 | /21 | not checked | |
| 203.201.52.0/22 | IPv4 | /22 | not checked | |
| 49.128.96.0/22 | IPv4 | /22 | not checked | |
| 2402:6c80::/32 | IPv6 | /32 | not checked |
No rows match “”.
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Internet Exchanges
Exchanges where this network has a listed peering LAN connection
| Address families | ||
|---|---|---|
| BBIX Amsterdam | 300 Mbps | IPv4 · IPv6 |
| BBIX Fukuoka | 10,000 Mbps | IPv4 · IPv6 |
| BBIX Hong Kong | 300 Mbps | IPv4 · IPv6 |
| BBIX Osaka | 20,000 Mbps | IPv4 · IPv6 |
| BBIX Singapore | 300 Mbps | IPv4 · IPv6 |
| BBIX Tokyo | 10,000 Mbps | IPv4 · IPv6 |
| BBIX US-West | 300 Mbps | IPv4 · IPv6 |
| JPNAP Fukuoka | 10,000 Mbps | IPv4 · IPv6 |
| JPNAP Osaka | 10,000 Mbps | IPv4 · IPv6 |
| JPNAP Tokyo: Peering | 10,000 Mbps | IPv4 · IPv6 |
No rows match “”.
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Exchange membership means the network has a listed connection; it does not prove peering with other members.
Observed adjacencies
Networks seen next to AS23780 in BGP paths by route collectors.
Observed upstreams
9 networks seen before AS23780 in AS paths
| Families | |||
|---|---|---|---|
| AS2497 IIJ | 229 | 939 |
v4
v6
|
| AS2519 VECTANT | 197 | 565 |
v4
v6
|
| AS6939 HURRICANE | 37 | 208 |
v4
|
| AS17676 GIGAINFRA | 26 | 102 |
v4
v6
|
| AS24482 SGGS-AS-AP | 2 | 55 |
v4
v6
|
| AS8966 Etisalat-AS | 6 | 27 |
v4
|
| AS20485 | 5 | 25 |
v4
|
| AS137409 GSLNETWORKS-AS-AP | 3 | 15 |
v4
|
| AS9583 SIFY-AS-IN | 1 | 12 |
v4
v6
|
No rows match “”.
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Observed downstreams
0 networks seen after AS23780 in AS paths
No downstreams observed
This AS was not seen carrying traffic towards another network.
Uncertain adjacencies
13 adjacencies that may be an artefact of collector peering
| Families | |||
|---|---|---|---|
| AS49544 i3Dnet | 1 | 18 |
v4
v6
|
| AS199524 GCORE | 1 | 10 |
v4
|
| AS2500 WIDE-BB | 1 | 6 |
v4
v6
|
| AS9002 RETN-AS | 1 | 6 |
v4
v6
|
| AS14907 WIKIMEDIA | 1 | 6 |
v4
v6
|
| AS17639 CONVERGE-AS | 1 | 6 |
v4
v6
|
| AS35280 F5 | 1 | 6 |
v4
v6
|
| AS45489 SLT-GLOBAL | 1 | 6 |
v4
v6
|
| AS8529 OMANTEL-AS | 1 | 5 |
v4
|
| AS18106 VIEWQWEST-SG-AP | 1 | 5 |
v4
|
| AS59105 | 1 | 5 |
v4
|
| AS1828 UNITAS | 1 | 1 |
v6
|
| AS25152 K-ROOT-SERVER | 1 | 1 |
v6
|
No rows match “”.
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