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Autonomous System

AS51815

Kustbandet AB

Announced IPs
22,528
CIDR prefixes
18
ASN
AS51815

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 10-20Gbps
Geographic scope Regional
Traffic ratio Mostly Outbound
Peering policy Open
IRR record AS-TEKNIKBYRAN

Web3 footprint

AS51815 hosts 2 observed decentralized-network nodes across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51815 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
62.102.151.0/24 7,706 2026-07-18 10:52:10
62.102.148.0/23 7,640 2026-07-18 10:52:10
91.226.180.0/24 7,553 2026-07-18 10:52:10
91.190.136.0/21 7,487 2026-07-18 10:52:10
78.108.48.0/21 7,420 2026-07-18 10:52:10
91.226.177.0/24 7,392 2026-07-18 10:52:10
91.209.88.0/24 7,316 2026-07-18 10:52:10
91.208.81.0/24 6,934 2026-07-18 10:52:10
185.31.196.0/22 6,730 2026-07-18 10:52:41
176.56.240.0/20 6,728 2026-07-18 10:52:41
185.152.213.0/24 6,633 2026-07-18 10:52:41
185.170.180.0/22 6,503 2026-07-18 10:52:41
192.121.137.0/24 6,232 2026-07-18 10:52:41
185.196.152.0/22 6,217 2026-07-18 10:52:41
192.121.99.0/24 6,170 2026-07-18 10:52:41
193.234.4.0/24 6,109 2026-07-18 10:52:41
194.103.41.0/24 6,066 2026-07-18 10:52:41
213.185.224.0/19 5,526 2026-07-18 10:52:41

Frequently Asked Questions

What is AS51815?

AS51815 is an Autonomous System Number assigned to Kustbandet AB. 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 AS51815 announce?

AS51815 announces 22.5K IPv4 addresses distributed across 18 routed CIDR prefixes. The network is registered in Sweden.

Who operates AS51815?

AS51815 is operated by Kustbandet AB. The organization is based in Sweden. You can view all IP ranges and related ASNs on the organization page.

What country is AS51815 registered in?

AS51815 is registered in Sweden. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 11:40:32 UTC
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