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Autonomous System

AS43545

Teledata UK Limited

Announced IPs
13,824
CIDR prefixes
9
ASN
AS43545

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type NSP
Traffic level 100-1000Mbps
Geographic scope Europe
Traffic ratio Balanced
Peering policy Open

Present at 3 internet exchanges: LINX Manchester, LINX LON2, LINX LON1: Main

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS43545 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
77.74.110.0/24 9,070 2026-07-31 07:20:07
185.113.219.0/24 8,531 2026-07-31 07:20:12
185.113.216.0/24 8,525 2026-07-31 07:20:12
77.74.104.0/21 7,759 2026-07-31 07:20:07
78.40.144.0/21 7,642 2026-07-31 07:20:07
80.84.80.0/21 7,632 2026-07-31 07:20:07
80.84.88.0/21 7,594 2026-07-31 07:20:16
80.84.64.0/21 7,500 2026-07-31 07:20:16
80.84.90.0/24 6,798 2026-07-31 07:20:16
78.40.150.0/24 6,768 2026-07-31 07:19:57
78.40.146.0/24 6,761 2026-07-31 07:20:07
78.40.151.0/24 6,751 2026-07-31 07:20:00
78.40.144.0/24 6,743 2026-07-31 07:20:07
212.84.67.0/24 6,697 2026-07-31 07:20:16
212.84.65.0/24 6,694 2026-07-31 07:20:07
212.84.69.0/24 6,692 2026-07-31 07:20:07
212.84.73.0/24 6,691 2026-07-31 07:20:07
80.84.72.0/21 5,997 2026-07-31 07:20:07

Frequently Asked Questions

What is AS43545?

AS43545 is an Autonomous System Number assigned to Teledata UK Limited. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS43545 announce?

AS43545 announces 13.8K IPv4 addresses distributed across 9 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS43545?

AS43545 is operated by Teledata UK Limited. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS43545 registered in?

AS43545 is registered in United Kingdom. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 07:25:30 UTC
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