AS557 University of Maine System
AS557 is operated by University of Maine System and registered with ARIN (US) since 1989-12-13.
It announces 17 IPv4 and 1 IPv6 prefixes, 77% of them RPKI valid.
RIPE RIS sees 5 upstream and peer networks and 5 downstream networks next to it.
PeeringDB lists it as an Educational/Research network at 2 internet exchanges and 3 facilities. Its peering policy is selective.
| Name | University of Maine System |
|---|---|
| Registry handle | UMAINE-SYS-AS |
| Registry (RIR) | ARIN |
| Country | United States (US) |
| Delegated on | 1989-12-13 |
| Network type | Educational/Research, Not Disclosed |
| Peering policy | Selective |
| IRR as-set | ARIN::AS-NETWORKMAINE |
| Prefixes (IPv4 / IPv6) | 17 / 1 |
| RPKI valid | 77% (14 / 18) |
| Upstreams and peers | 5 |
| Downstream networks | 5 |
| Website | maine.edu |
Routing health
- AS557 announces 17 IPv4 and 1 IPv6 prefixes.
- 14 of 18 announced prefixes are RPKI valid.
- 4 announced prefixes are not covered by a ROA of AS557 (they may have none, or another network’s).
- 5 upstreams and peers, 5 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 18
- 64.45.64.0/18
- 65.18.0.0/18
- 65.18.64.0/19
- 65.18.96.0/20
- 130.111.0.0/16
- 141.114.0.0/16
- 169.244.0.0/16
- 198.148.217.0/24
- 198.182.161.0/24
- 198.182.162.0/23
- 198.202.151.0/24
- 199.33.141.0/24
- 204.137.240.0/24
- 204.197.0.0/17
- 207.166.224.0/19
- 209.222.192.0/19
- 209.222.192.0/24
- 2610:48::/32
Upstreams and peers 5
The networks RIPE RIS sees next to AS557 in BGP paths, the most visible first.
Peering
Peering policy: Selective. Suggested max-prefix limits: 45 IPv4, 4 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| MASS-IX: ISP Peering LAN | 1 | 20G | Yes |
| NNENIX: NNENIX-IXP-LAN | 1 | 40G | Yes |
| Facility | City | Country |
|---|---|---|
| FirstLight Regen Hut | Portland | US |
| Lumen Boston | Cambridge | US |
| University of Maine - Neville Telecom Colo | Orono | US |
More about AS557
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-13 18:54 UTC. The country is where the AS number was registered, not necessarily where the network operates.