AS57750 SYNAMEDIA LIMITED
IPv4 addresses
768
IPv6 /48 networks
256
RPKI
0 valid5 no ROA
Peers and downstreams
1
Holder
- AS name
- NDS-UK
- Description
- SYNAMEDIA LIMITED
- Organisation
- SYNAMEDIA LIMITED
- Registered in
- Maidenhead, United Kingdom
- Abuse contact
- kiranss@synamedia.com
- Assigned
- 2012-01-31
- Registered
- 2012-02-01
- Record last changed
- 2026-09-11 05:49 UTC
| AS3257 | GTT Communications Inc. GTT-BACKBONE |
None seen.
| AS286 | Kpn KPN |
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade C · 60/100| fail | Prefixes covered by valid ROAs 0 of 5 announced prefixes are RPKI valid, 5 have no ROA. |
0/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 1 IPv6 prefix. |
15/15 |
| partly | More than one upstream 1 upstream seen in BGP. |
5/10 |
| pass | Working abuse contact kiranss@synamedia.com is published. |
15/15 |
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| pass | Registry record maintained Last changed 2026-09-11. |
5/5 |
Routing changes
Last 30 days| 2026-10-04 07:37 UTC | Relationship changed | AS286 | upstream to peer |
WHOIS
aut-num: AS57750 as-name: NDS-UK remarks: Datum Datacentre org: ORG-SL1442-RIPE admin-c: GB9604-RIPE tech-c: GB9604-RIPE status: ASSIGNED mnt-by: lir-uk-synamedia-1-MNT mnt-by: RIPE-NCC-END-MNT mnt-by: NDS-UK-MNT created: 2012-02-01T08:47:35Z last-modified: 2026-09-11T05:49:36Z source: RIPE % 4 routing policy lines (import/export) not shown