AS104
COLORADO-AS
University of Colorado at Boulder
Registry
Authoritative registration data
- AS number
- 104
- Name
- COLORADO-AS
- Organisation
- University of Colorado at Boulder
- Country
- —
- RIR
- ARIN
- Registered
IPv4 prefixes
21
IPv6 prefixes
3
Total announced
24
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 128.138.0.0/16 | IPv4 | /16 | not checked | |
| 129.19.192.0/18 | IPv4 | /18 | not checked | |
| 129.19.240.0/20 | IPv4 | /20 | not checked | |
| 198.11.16.0/20 | IPv4 | /20 | not checked | |
| 146.5.20.0/22 | IPv4 | /22 | not checked | |
| 192.12.238.0/24 | IPv4 | /24 | not checked | |
| 192.12.240.0/24 | IPv4 | /24 | not checked | |
| 192.12.241.0/24 | IPv4 | /24 | not checked | |
| 192.12.242.0/24 | IPv4 | /24 | not checked | |
| 192.12.244.0/24 | IPv4 | /24 | not checked | |
| 192.12.245.0/24 | IPv4 | /24 | not checked | |
| 198.59.51.0/24 | IPv4 | /24 | not checked | |
| 198.59.52.0/24 | IPv4 | /24 | not checked | |
| 198.59.54.0/24 | IPv4 | /24 | not checked | |
| 198.59.55.0/24 | IPv4 | /24 | not checked | |
| 198.59.7.0/24 | IPv4 | /24 | not checked | |
| 198.59.70.0/24 | IPv4 | /24 | not checked | |
| 198.59.81.0/24 | IPv4 | /24 | not checked | |
| 198.59.82.0/24 | IPv4 | /24 | not checked | |
| 198.59.83.0/24 | IPv4 | /24 | not checked | |
| 204.228.80.0/24 | IPv4 | /24 | not checked | |
| 2620:18f::/32 | IPv6 | /32 | not checked | |
| 2401:eee0:1c0::/42 | IPv6 | /42 | not checked | |
| 2401:eee0:200::/42 | IPv6 | /42 | 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 AS104 in BGP paths by route collectors.
Observed upstreams
4 networks seen before AS104 in AS paths
| Families | |||
|---|---|---|---|
| AS14041 FRGP | 190 | 3,978 |
v4
v6
|
| AS3356 LEVEL3 | 436 | 3,439 |
v4
v6
|
| AS149433 FM-AS-AP | 21 | 58 |
v6
|
| AS65501 | 6 | 14 |
v6
|
No rows match “”.
Showing – of
Observed downstreams
0 networks seen after AS104 in AS paths
No downstreams observed
This AS was not seen carrying traffic towards another network.