AS20252
JSIWMC
Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
Registry
Authoritative registration data
- AS number
- 20252
- Name
- JSIWMC
- Organisation
- Joan and Sanford I. Weill Medical College and Graduate School of Medical Sciences of Cornell University
- Country
- —
- RIR
- ARIN
- Registered
IPv4 prefixes
4
IPv6 prefixes
0
Total announced
4
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 157.139.0.0/16 | IPv4 | /16 | not checked | |
| 140.251.0.0/17 | IPv4 | /17 | not checked | |
| 207.162.253.0/24 | IPv4 | /24 | not checked | |
| 38.146.193.0/24 | IPv4 | /24 | not checked |
No rows match “”.
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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 AS20252 in BGP paths by route collectors.
Observed upstreams
5 networks seen before AS20252 in AS paths
| Families | |||
|---|---|---|---|
| AS46887 ZAYO-CCF-AS46887 | 255 | 575 |
v4
|
| AS12271 TWC-12271-NYC | 119 | 431 |
v4
|
| AS174 COGENT-174 | 115 | 387 |
v4
|
| AS3754 NYSERNET3-AS | 7 | 14 |
v4
|
| AS3630 NYSERNET-BLK | 2 | 6 |
v4
|
No rows match “”.
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Observed downstreams
0 networks seen after AS20252 in AS paths
No downstreams observed
This AS was not seen carrying traffic towards another network.