The Defence Science and Technology Laboratory
AS7 is The Defence Science and Technology Laboratory (ripe.net). It announces 68,864 IPv4 addresses in 18 prefixes, and 1 IPv6 prefixes.
EU· RIPE· allocated 1993-09-01· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United Kingdom68,864 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- DSTL
- name
- The Defence Science and Technology Laboratory
- org
- ORG-TDSA4-RIPE
- org name
- The Defence Science and Technology Laboratory
- org address
- Porton Down, SP4 0JG, Salisbury, UNITED KINGDOM
- org country
- GB
- country
- EU
- source
- ripe
- status
- LEGACY
- created
- 2002-05-27
- updated
- 2018-11-05
- maintainer
- JIPS-NOSC|DSTL-MNT
- abuse name
- Dstl Abuse
- abuse email
- ripe@dstl.gov.uk
- abuse phone
- +44 1980 950000
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP110.02%
- anyip0.02%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.00%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 146.80.0.0/16 | United Kingdom | not found | 19 | 2026-10-02 |
| 146.80.128.0/19 | United Kingdom | not found | 19 | 2026-10-02 |
| 146.80.160.0/19 | United Kingdom | not found | 19 | 2026-10-02 |
| 146.80.192.0/23 | United Kingdom | not found | 19 | 2026-10-02 |
| 146.80.194.0/23 | United Kingdom | not found | 19 | 2026-10-02 |
| 146.80.224.0/20 | United Kingdom | not found | 19 | 2026-10-02 |
| 146.80.240.0/20 | United Kingdom | not found | 19 | 2026-10-02 |
| 192.5.28.0/24 | United Kingdom | not found | 19 | 2026-10-02 |
| 192.5.29.0/24 | United Kingdom | not found | 19 | 2026-10-02 |
| 192.5.30.0/24 | United Kingdom | not found | 19 | 2026-10-02 |
| 192.35.94.0/24 | United Kingdom | valid | 19 | 2026-10-02 |
| 192.67.43.0/24 | United Kingdom | valid | 19 | 2026-10-02 |
| 192.107.178.0/24 | United Kingdom | not found | 19 | 2026-10-02 |
| 192.149.120.0/24 | United Kingdom | not found | 19 | 2026-10-02 |
| 194.32.69.0/24 | United Kingdom | valid | 19 | 2026-10-02 |
| 194.32.218.0/23 | United Kingdom | valid | 19 | 2026-10-02 |
| 194.34.138.0/24 | United Kingdom | valid | 19 | 2026-10-02 |
| 194.61.92.0/23 | United Kingdom | valid | 19 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a0b:3b40::/29 | United Kingdom | valid | 20 | 2026-10-02 |
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