$ query “AS7” --type=asn → 1 result(s)
AS7 · DSTL
The Defence Science and Technology Laboratory
AS7 is owned by The Defence Science and Technology Laboratory and is an educational/research stub network, based in the United Kingdom since 2002. The system announces a respectable 68 864 IPv4 addresses, including a /16, and supports IPv6. Its primary geographic footprint is in the United Kingdom. This AS has recently updated its prefix announcements.
Basic Information
- Country
- 🇬🇧 United Kingdom
- Category
- Education/Research
- Network Role
- Stub Network
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- May 27, 2002
- Last Changed
- April 01, 2026
- Last Seen
- May 13, 2026 (active)
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 18 / 11
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 68 864
- Largest IPv4 Prefix
- /16 (65 536 addresses)
- Largest IPv6 Prefix
- /29
- Geolocated Countries
- 🇬🇧 United Kingdom (136 448 IPs)
- Prefix Changed
- May 09, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs
Connectivity Summary
- Upstream Providers
- 2 upstreams providing transit
- Degree
- 2 unique BGP neighbors
- Reach
- 0 networks in customer cone
Upstream Providers (2)
Prefix Lists
IPv4 Prefixes (18 total)
- 146.80.0.0/16 (65 536 addresses (/16 prefix))
- 192.5.28.0/23 (512 addresses (/23 prefix))
- 194.32.218.0/23 (512 addresses (/23 prefix))
- 194.61.92.0/23 (512 addresses (/23 prefix))
- 192.5.30.0/24 (256 addresses (/24 prefix))
- 192.35.94.0/24 (256 addresses (/24 prefix))
- 192.67.43.0/24 (256 addresses (/24 prefix))
- 192.107.178.0/24 (256 addresses (/24 prefix))
- 192.149.120.0/24 (256 addresses (/24 prefix))
- 194.32.69.0/24 (256 addresses (/24 prefix))
- 194.34.138.0/24 (256 addresses (/24 prefix))
IPv6 Prefixes (1 total)
- 2a0b:3b40::/29