AS21369
SEMA-UK-AS
Will advertise network 192.12.43.0/24
Registry
Authoritative registration data
- AS number
- 21369
- Name
- SEMA-UK-AS
- Organisation
- Will advertise network 192.12.43.0/24
- Country
- —
- RIR
- RIPE
- Registered
IPv4 prefixes
46
IPv6 prefixes
0
Total announced
46
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 157.203.120.0/23 | IPv4 | /23 | not checked | |
| 157.203.176.0/23 | IPv4 | /23 | not checked | |
| 157.203.178.0/23 | IPv4 | /23 | not checked | |
| 157.203.180.0/23 | IPv4 | /23 | not checked | |
| 157.203.242.0/23 | IPv4 | /23 | not checked | |
| 157.203.254.0/23 | IPv4 | /23 | not checked | |
| 157.203.36.0/23 | IPv4 | /23 | not checked | |
| 157.203.40.0/23 | IPv4 | /23 | not checked | |
| 157.203.42.0/23 | IPv4 | /23 | not checked | |
| 157.203.48.0/23 | IPv4 | /23 | not checked | |
| 157.203.52.0/23 | IPv4 | /23 | not checked | |
| 157.203.56.0/23 | IPv4 | /23 | not checked | |
| 157.203.58.0/23 | IPv4 | /23 | not checked | |
| 157.203.6.0/23 | IPv4 | /23 | not checked | |
| 157.203.60.0/23 | IPv4 | /23 | not checked | |
| 157.203.62.0/23 | IPv4 | /23 | not checked | |
| 157.203.92.0/23 | IPv4 | /23 | not checked | |
| 157.203.120.0/24 | IPv4 | /24 | not checked | |
| 157.203.176.0/24 | IPv4 | /24 | not checked | |
| 157.203.177.0/24 | IPv4 | /24 | not checked | |
| 157.203.178.0/24 | IPv4 | /24 | not checked | |
| 157.203.179.0/24 | IPv4 | /24 | not checked | |
| 157.203.180.0/24 | IPv4 | /24 | not checked | |
| 157.203.181.0/24 | IPv4 | /24 | not checked | |
| 157.203.242.0/24 | IPv4 | /24 | not checked | |
| 157.203.243.0/24 | IPv4 | /24 | not checked | |
| 157.203.254.0/24 | IPv4 | /24 | not checked | |
| 157.203.255.0/24 | IPv4 | /24 | not checked | |
| 157.203.36.0/24 | IPv4 | /24 | not checked | |
| 157.203.37.0/24 | IPv4 | /24 | not checked | |
| 157.203.40.0/24 | IPv4 | /24 | not checked | |
| 157.203.41.0/24 | IPv4 | /24 | not checked | |
| 157.203.42.0/24 | IPv4 | /24 | not checked | |
| 157.203.43.0/24 | IPv4 | /24 | not checked | |
| 157.203.48.0/24 | IPv4 | /24 | not checked | |
| 157.203.49.0/24 | IPv4 | /24 | not checked | |
| 157.203.52.0/24 | IPv4 | /24 | not checked | |
| 157.203.53.0/24 | IPv4 | /24 | not checked | |
| 157.203.56.0/24 | IPv4 | /24 | not checked | |
| 157.203.57.0/24 | IPv4 | /24 | not checked | |
| 157.203.59.0/24 | IPv4 | /24 | not checked | |
| 157.203.6.0/24 | IPv4 | /24 | not checked | |
| 157.203.60.0/24 | IPv4 | /24 | not checked | |
| 157.203.61.0/24 | IPv4 | /24 | not checked | |
| 157.203.62.0/24 | IPv4 | /24 | not checked | |
| 157.203.7.0/24 | IPv4 | /24 | not checked |
No rows match “”.
Showing – of
Internet Exchanges
Exchanges where this network has a listed peering LAN connection
No Internet Exchange memberships found
The exchange directory has no current membership records for this AS.
Exchange membership means the network has a listed connection; it does not prove peering with other members.
Observed adjacencies
Networks seen next to AS21369 in BGP paths by route collectors.
Observed upstreams
4 networks seen before AS21369 in AS paths
| Families | |||
|---|---|---|---|
| AS198949 Radware | 278 | 9,657 |
v4
|
| AS8220 COLT | 369 | 3,324 |
v4
|
| AS2856 BT-UK-AS | 224 | 2,093 |
v4
|
| AS702 UUNET | 199 | 569 |
v4
|
No rows match “”.
Showing – of
Observed downstreams
0 networks seen after AS21369 in AS paths
No downstreams observed
This AS was not seen carrying traffic towards another network.