AS55
UPENN
University of Pennsylvania
Registry
Authoritative registration data
- AS number
- 55
- Name
- UPENN
- Organisation
- University of Pennsylvania
- Country
- —
- RIR
- ARIN
- Registered
IPv4 prefixes
5
IPv6 prefixes
1
Total announced
6
Announced prefixes
Observed in BGP by route collectors, not a registry allocation list
| 128.91.0.0/16 | IPv4 | /16 | not checked | |
| 130.91.0.0/16 | IPv4 | /16 | not checked | |
| 158.130.0.0/16 | IPv4 | /16 | not checked | |
| 165.123.0.0/16 | IPv4 | /16 | not checked | |
| 192.84.2.0/24 | IPv4 | /24 | not checked | |
| 2607:f470::/32 | IPv6 | /32 | 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 AS55 in BGP paths by route collectors.
Observed upstreams
4 networks seen before AS55 in AS paths
| Families | |||
|---|---|---|---|
| AS3356 LEVEL3 | 220 | 934 |
v4
v6
|
| AS174 COGENT-174 | 251 | 903 |
v4
v6
|
| AS11164 INTERNET2-I2PX | 160 | 527 |
v4
v6
|
| AS11537 INTERNET2-RESEARCH-EDU | 29 | 87 |
v4
v6
|
No rows match “”.
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Observed downstreams
2 networks seen after AS55 in AS paths
| Families | |||
|---|---|---|---|
| AS69 UPENN-NETWORK-LAB | 256 | 332 |
v4
|
| AS46274 UPHS | 46 | 108 |
v4
|
No rows match “”.
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