Autonomous System
AS205544 — LEASEWEB-UK-LON-11 - Leaseweb UK Limited(GB)
Last fetched
AS205544 is an Autonomous System operated by LEASEWEB-UK-LON-11 - Leaseweb UK Limited and registered in GB. As of Sat, 05 Sep 2026 10:59:21 GMT, it announces 91 routed IP prefixes and peers with 4 other Autonomous Systems in the WhisperGraph BGP dataset.
Nutrition Label
Routing footprint
AS205544 announces 91 distinct routed prefixes. The 25-prefix sample below links to per-prefix pages with full conflict and reverse-DNS detail.
- 23.19.56.0/24
- 23.19.59.0/24
- 23.19.56.0/21
- 23.19.62.0/24
- 23.81.32.0/21
- 23.106.32.0/21
- 23.106.56.0/21
- 23.106.232.0/21
- 31.58.18.0/24
- 31.58.22.0/24
- 31.58.28.0/24
- 31.58.32.0/24
- 31.59.15.0/24
- 31.59.20.0/24
- 31.59.21.0/24
- 31.59.27.0/24
- 31.59.28.0/24
- 31.59.33.0/24
- 37.44.216.0/22
- 38.246.186.0/23
- 38.253.124.0/23
- 45.153.20.0/24
- 81.17.56.0/22
- 81.17.56.0/21
- 81.17.60.0/24
Peering ecosystem
4 distinct peers via BGP. The first 4 are listed below.
Blast radius
Count of dependent hostnames if AS205544 disappeared from the routing table.
52,178 hostnames depend on this network.Exact count across all 89 announced prefixes. Snapshot Mon, 29 Jun 2026 05:00:30 GMT.
MOAS / hijack watch
Prefixes routed by AS205544 that another Autonomous System also announces. A non-empty list is one of the strongest BGP-hijack signals available without active probes.
No active MOAS conflicts. Every prefix announced by AS205544 is unique to AS205544 in the current routing snapshot.
Threat posture
Related pages
Pivot deeper into the graph from AS205544.
Cypher and MCP
Reproduce the headline metric directly against graph.whisper.security:
MATCH (a:ASN {name: "AS205544"})-[:HAS_NAME]->(n:ASN_NAME)
OPTIONAL MATCH (a)-[:HAS_COUNTRY]->(c:COUNTRY)
RETURN a.name AS asn, n.name AS operator, c.name AS countryOr query Whisper from your own LLM workflow via the Whisper MCP server.