AS21700 Neptune Networks
AS21700 is operated by Neptune Networks and registered with ARIN (US) since 2020-12-04.
It announces 7 IPv4 and 2 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 11 upstream and peer networks and 54 downstream networks next to it.
PeeringDB lists it as an NSP network at 1 internet exchange and 1 facility. Its peering policy is open.
| Name | Neptune Networks |
|---|---|
| Registry handle | NEPTUNE-NETWORKS |
| Registry (RIR) | ARIN |
| Country | United States (US) |
| Delegated on | 2020-12-04 |
| Network type | NSP, North America |
| Peering policy | Open |
| IRR as-set | AS-NEPTUNE-NETWORKS |
| Prefixes (IPv4 / IPv6) | 7 / 2 |
| RPKI valid | 100% (9 / 9) |
| Upstreams and peers | 11 |
| Downstream networks | 54 |
| Website | neptunenetworks.com |
Routing health
- AS21700 announces 7 IPv4 and 2 IPv6 prefixes.
- All 9 announced prefixes are RPKI valid.
- 11 upstreams and peers, 54 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 9
- 23.157.160.0/24
- 157.254.142.0/24
- 172.82.22.0/23
- 192.109.165.0/24
- 209.151.100.0/22
- 216.74.121.0/24
- 216.126.57.0/24
- 2602:fe2e::/37
- 2606:f1c0::/32
Upstreams and peers 11
The networks RIPE RIS sees next to AS21700 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 500 IPv4, 5,000 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| NYIIX New York | 1 | 10G | Yes |
| Facility | City | Country |
|---|---|---|
| Telehouse - New York Chelsea | New York | US |
More about AS21700
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 17:09 UTC. The country is where the AS number was registered, not necessarily where the network operates.