AS15305 Syringa Networks
AS15305 is operated by Syringa Networks and registered with ARIN (US) since 2000-04-14.
It announces 26 IPv4 and 1 IPv6 prefixes, 7% of them RPKI valid.
RIPE RIS sees 5 upstream and peer networks and 55 downstream networks next to it.
PeeringDB lists it as an NSP network at 11 internet exchanges and 23 facilities. Its peering policy is open.
| Name | Syringa Networks |
|---|---|
| Registry handle | SYRINGANETWORKS |
| Registry (RIR) | ARIN |
| Country | United States (US) |
| Delegated on | 2000-04-14 |
| Network type | NSP, Regional |
| Peering policy | Open |
| IRR as-set | RADB::AS-SYRINGANETWORKS |
| Prefixes (IPv4 / IPv6) | 26 / 1 |
| RPKI valid | 7% (2 / 27) |
| Upstreams and peers | 5 |
| Downstream networks | 55 |
| Website | syringanetworks.net |
Routing health
- AS15305 announces 26 IPv4 and 1 IPv6 prefixes.
- 2 of 27 announced prefixes are RPKI valid.
- 25 announced prefixes are not covered by a ROA of AS15305 (they may have none, or another network’s).
- 5 upstreams and peers, 55 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 27
- 45.33.222.0/23
- 64.136.100.0/22
- 66.232.64.0/19
- 67.215.32.0/20
- 69.59.31.0/24
- 104.245.20.0/22
- 151.122.232.0/24
- 158.120.248.0/22
- 161.115.208.0/20
- 162.57.146.0/23
- 173.224.176.0/20
- 192.35.255.0/24
- 198.60.192.0/24
- 198.199.151.0/24
- 198.199.152.0/23
- 199.5.221.0/24
- 199.244.14.0/23
- 204.8.52.0/22
- 204.10.184.0/24
- 204.99.153.0/24
- 204.99.154.0/23
- 206.168.83.0/24
- 208.98.128.0/18
- 209.25.172.0/22
- 209.141.112.0/20
- 216.182.96.0/20
- 2605:5800::/32
Upstreams and peers 5
The networks RIPE RIS sees next to AS15305 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 700 IPv4, 100 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| Any2Denver | 1 | 100G | No |
| Any2West | 1 | 100G | No |
| Equinix Chicago | 1 | 10G | No |
| Equinix Dallas | 1 | 10G | No |
| Equinix San Jose | 1 | 100G | No |
| IdahoIX | 1 | 10G | No |
| Ninja-IX Phoenix: Production | 1 | 10G | No |
| NWAX: Primary Peering VLAN | 1 | 100G | No |
| SIX Seattle: MTU 1500 | 1 | 100G | No |
| SLIX - Salt Lake City Internet Exchange | 1 | 100G | No |
| SpokaneIX | 1 | 10G | No |
| Facility | City | Country |
|---|---|---|
| ark data centers - Boise, ID | Boise | US |
| CoreSite - Denver (DE1) | Denver | US |
| CoreSite - Los Angeles (LA1) One Wilshire | Los Angeles | US |
| DataBank Salt Lake City (SLC1) | Salt Lake City | US |
| DataBank Salt Lake City (SLC2) | Bluffdale | US |
| DataBank Salt Lake City (SLC3) | Bluffdale | US |
| Digital Realty ATL13 - Atlanta | Atlanta | US |
| Digital Realty Seattle SEA10 | Seattle | US |
| Equinix CH1/CH2/CH4 - Chicago | Chicago | US |
| Equinix DA1 - Dallas | Dallas | US |
| Equinix DC1-DC15,DC21-DC22 - Ashburn | Ashburn | US |
| Equinix SV1/SV5/SV10 - Silicon Valley, San Jose | San Jose | US |
| Flexential - Salt Lake City/Cottonwood (SLC05) | Salt Lake City | US |
| Flexential - Salt Lake City/Downtown (SLC04) | Salt Lake City | US |
| Flexential - Salt Lake City/Lindon (SLC03) | Lindon | US |
| Flexential - Salt Lake City/South Valley (SLC09) | West Jordan | US |
| Level(3) Boise | Boise | US |
| Level(3) Salt Lake City | Salt Lake City | US |
| PhoenixNAP | Phoenix | US |
| PTOR1 | Portland | US |
| Syringa Networks Boise | Boise | US |
| TierPoint Spokane | Liberty Lake | US |
| US Bank Building | Spokane | US |
More about AS15305
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 16:02 UTC. The country is where the AS number was registered, not necessarily where the network operates.