AS21500 Scientific Production Enterprise "Technaukservice" Ltd
IPv4 addresses
9,216
IPv6 /48 networks
524,288
RPKI
17 valid5 no ROA
Peers and downstreams
18
Holder
- AS name
- TNS-AS
- Description
- Scientific Production Enterprise "Technaukservice" Ltd
- Organisation
- Scientific Production Enterprise "Technaukservice" Ltd
- Registered in
- Kharkiv, Ukraine
- Abuse contact
- abuse@tns.kh.ua
- Assigned
- 2002-01-03
- Registered
- 2002-08-12
- Record last changed
- 2020-07-03 16:14 UTC
193.178.248.0/22194.54.186.0/24194.54.187.0/24195.123.177.0/24195.123.184.0/24195.123.185.0/24195.234.220.0/22195.69.184.0/22195.69.184.0/24195.69.185.0/24195.69.186.0/2462.106.68.0/2481.17.130.0/2481.17.140.0/2481.17.142.0/2485.90.200.0/2291.246.220.0/2292.118.136.0/2292.118.224.0/2492.118.225.0/2492.118.226.0/24
| AS15800 | COORDINATOR LTD COORDINATOR-AS |
| AS20709 | Techinform Ltd TICOM-AS |
| AS21437 | Aviti ltd. AVITI-AS |
| AS24618 | Scientific Production Enterprise "Technaukservice" Ltd BIGLINE-AS |
| AS30790 | Ellipse ltd. ELLIPSE-AS |
| AS31187 | Ukrtechstroy Ltd UKRTEKHSTROY-AS |
| AS31598 | TOV "OPTIK.NET" OPTIKNET-AS |
| AS56851 | PE Skurykhin Mukola Volodumurovuch VPS-UA-AS |
| AS60455 | "ABC" UCRANIAN-FRANCH JOINT VENTURE ABC |
| AS199263 | New Systems AM LTD HRK-AERO |
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade B · 79/100| partly | Prefixes covered by valid ROAs 17 of 22 announced prefixes are RPKI valid, 5 have no ROA. |
19/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 1 IPv6 prefix. |
15/15 |
| pass | More than one upstream 2 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact abuse@tns.kh.ua 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 |
| fail | Registry record maintained Last changed 2020-07-03. |
0/5 |
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes
Last 30 days| 2026-10-04 11:20 UTC | Neighbour gone | AS209823 | peer |
| 2026-10-04 11:20 UTC | Relationship changed | AS6939 | upstream to peer |
| 2026-10-04 11:20 UTC | Relationship changed | AS6663 | upstream to peer |
| 2026-10-04 11:20 UTC | Relationship changed | AS14840 | upstream to peer |
WHOIS
aut-num: AS21500 as-name: TNS-AS org: ORG-SPEL3-RIPE remarks: ==== routing policies ==== admin-c: TNS17-RIPE tech-c: TNS17-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: TNSUA-MNT created: 2002-08-12T15:37:26Z last-modified: 2020-07-03T16:14:44Z source: RIPE % 32 routing policy lines (import/export) not shown