AS3258 xTom Tokyo
AS3258 is operated by xTom Tokyo and registered with RIPE NCC (JP) since 2011-06-17.
It announces 136 IPv4 and 27 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 11 upstream and peer networks and 6 downstream networks next to it.
PeeringDB lists it as a Cable/DSL/ISP network at 3 internet exchanges and 9 facilities. Its peering policy is selective.
| Name | xTom Tokyo |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Japan (JP) |
| Delegated on | 2011-06-17 |
| Network type | Cable/DSL/ISP, Asia Pacific |
| Peering policy | Selective |
| IRR as-set | RADB::AS-XTOM |
| Prefixes (IPv4 / IPv6) | 136 / 27 |
| RPKI valid | 100% (163 / 163) |
| Upstreams and peers | 11 |
| Downstream networks | 6 |
| Website | xtom.com |
Routing health
- AS3258 announces 136 IPv4 and 27 IPv6 prefixes.
- All 163 announced prefixes are RPKI valid.
- 11 upstreams and peers, 6 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 163
- 5.253.17.0/24
- 36.50.84.0/23
- 43.239.249.0/24
- 45.8.112.0/24
- 45.8.113.0/24
- 45.8.114.0/24
- 45.8.222.0/24
- 45.11.44.0/24
- 45.11.46.0/24
- 45.12.89.0/24
- 45.14.64.0/24
- 45.14.65.0/24
- 45.14.66.0/24
- 45.14.67.0/24
- 45.66.129.0/24
- 45.66.130.0/24
- 45.66.131.0/24
- 45.66.216.0/24
- 45.66.217.0/24
- 45.66.218.0/24
- 45.89.232.0/24
- 45.89.234.0/24
- 45.89.235.0/24
- 45.92.159.0/24
- 45.94.40.0/24
- 45.128.208.0/24
- 45.128.209.0/24
- 45.128.210.0/24
- 45.128.211.0/24
- 45.129.8.0/24
- 45.129.9.0/24
- 45.129.10.0/24
- 45.129.11.0/24
- 45.134.170.0/24
- 45.134.171.0/24
- 45.142.125.0/24
- 45.142.126.0/24
- 45.142.127.0/24
- 45.142.166.0/24
- 45.142.167.0/24
- 45.143.131.0/24
- 45.143.232.0/24
- 45.143.233.0/24
- 45.143.234.0/24
- 45.143.235.0/24
- 45.149.156.0/24
- 45.149.157.0/24
- 45.149.158.0/24
- 45.149.159.0/24
- 45.153.244.0/24
- 45.153.245.0/24
- 45.153.246.0/24
- 45.153.247.0/24
- 45.159.48.0/24
- 45.159.49.0/24
- 45.159.50.0/24
- 45.159.51.0/24
- 62.106.70.0/24
- 62.106.75.0/24
- 79.110.232.0/24
- 85.113.70.0/24
- 88.214.22.0/24
- 91.199.209.0/24
- 91.200.240.0/24
- 91.200.242.0/24
- 91.200.243.0/24
- 92.60.43.0/24
- 94.124.117.0/24
- 94.124.118.0/24
- 95.214.166.0/24
- 95.214.167.0/24
- 103.19.1.0/24
- 103.47.186.0/24
- 103.53.80.0/23
- 103.121.208.0/24
- 103.121.209.0/24
- 103.121.210.0/24
- 103.121.211.0/24
- 103.125.234.0/24
- 103.125.235.0/24
- 103.150.8.0/24
- 103.155.232.0/24
- 103.155.233.0/24
- 103.193.129.0/24
- 103.193.130.0/24
- 103.201.128.0/24
- 103.201.130.0/24
- 103.201.131.0/24
- 109.107.137.0/24
- 109.107.140.0/24
- 109.121.61.0/24
- 109.121.62.0/24
- 141.98.196.0/24
- 141.98.197.0/24
- 141.98.198.0/24
- 146.19.19.0/24
- 146.19.163.0/24
- 147.78.242.0/24
- 147.78.243.0/24
- 147.78.244.0/24
Showing the first 100.
Upstreams and peers 11
The networks RIPE RIS sees next to AS3258 in BGP paths, the most visible first.
Peering
Peering policy: Selective. Suggested max-prefix limits: 1,000 IPv4, 1,000 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| BBIX Tokyo | 1 | 100G | Yes |
| Equinix Tokyo | 1 | 100G | Yes |
| JPNAP Tokyo: Peering | 1 | 100G | Yes |
| Facility | City | Country |
|---|---|---|
| Broadband Tower - Monzen-nakacho Bldg. | Tokyo | JP |
| COLT in Asia Tokyo Data Center 1 (TDC1) | Tokyo | JP |
| Equinix OS1 - Osaka | Osaka | JP |
| Equinix SY3 - Sydney | Sydney | AU |
| Equinix SY5 - Sydney | Sydney | AU |
| Equinix TY1 - Tokyo | Tokyo | JP |
| Equinix TY8 - Tokyo | Tokyo | JP |
| NTT DATA Dojima (building #4) | Osaka | JP |
| NTT DATA Otemachi Bldg | Tokyo | JP |
More about AS3258
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 17:01 UTC. The country is where the AS number was registered, not necessarily where the network operates.