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Autonomous System

AS13037

Zen Internet Ltd

Announced IPs
528,128
CIDR prefixes
37
ASN
AS13037

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.

70/100
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 300-500Gbps
Geographic scope Europe
Traffic ratio Mostly Inbound
Peering policy Selective
IRR record AS-ZEN

Present at 4 internet exchanges: LINX LON1: Main, LINX LON2, LINX Manchester, LONAP: LON0

Web3 footprint

AS13037 hosts 2 observed decentralized-network nodes across 2 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS13037 — global IP footprint

Cities where AS13037 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
82.68.0.0/15 131.1K
99.9%
Zen Internet Ltd GB England Wigan
51.148.0.0/16 65.5K
98.7%
Zen Internet Ltd GB England Warwick
51.155.0.0/16 65.5K
90.5%
Zen Internet Ltd GB England Manchester
82.71.0.0/16 65.5K
64.1%
Zen Internet Ltd GB England Cheadle
217.155.0.0/16 65.5K
99.8%
Zen Internet Ltd GB England Hackney
62.3.64.0/18 16.4K
98.1%
Zen Internet Ltd GB England Stoke-on-Trent
77.104.128.0/18 16.4K
100.0%
Zen Internet Ltd GB England Kensington
88.97.0.0/18 16.4K
100.0%
Zen Internet Ltd GB England Harringay
146.66.64.0/18 16.4K
99.8%
Zen Internet Ltd GB England Rochdale
88.98.32.0/19 8.2K
99.5%
Zen Internet Ltd GB Wales Newport
88.98.64.0/19 8.2K
99.2%
Zen Internet Ltd GB England Islington
88.98.128.0/19 8.2K
99.6%
Zen Internet Ltd GB England Catterton
212.23.0.0/19 8.2K
97.6%
Zen Internet Ltd GB England City of Westminster
88.97.64.0/20 4.1K
100.0%
Zen Internet Ltd GB England Fulham
88.97.96.0/20 4.1K
100.0%
Zen Internet Ltd GB England New Malden
88.98.0.0/20 4.1K
99.6%
Zen Internet Ltd GB England Fulham
88.98.176.0/20 4.1K
99.6%
Zen Internet Ltd GB England Milton Keynes
188.122.32.0/20 4.1K
93.9%
Zen Internet Ltd GB England Hounslow
88.98.24.0/21 2.0K
99.4%
Zen Internet Ltd GB England Rochdale
88.98.160.0/21 2.0K
0.0%
Zen Internet Ltd GB England Rochdale
188.122.48.0/21 2.0K
95.1%
Zen Internet Ltd GB
88.97.88.0/22 1.0K
100.0%
Zen Internet Ltd GB Wales Bangor
88.98.172.0/22 1.0K
99.6%
Zen Internet Ltd GB England Rochdale
185.81.232.0/22 1.0K
0.0%
Zen Internet Ltd GB England Rochdale
185.169.116.0/22 1.0K
97.6%
Zen Internet Ltd GB England Wolverhampton
185.183.100.0/22 1.0K
94.8%
Zen Internet Ltd GB England Maidenhead
188.122.56.0/22 1.0K
94.4%
Zen Internet Ltd GB
88.98.16.0/23 512
99.6%
Zen Internet Ltd GB England Birmingham
88.98.22.0/23 512
99.6%
Zen Internet Ltd GB England Rochdale
88.98.170.0/23 512
92.8%
Zen Internet Ltd GB England Rochdale
188.122.60.0/23 512
92.4%
Zen Internet Ltd GB
193.19.156.0/23 512
0.0%
Zen Internet Ltd GB
88.98.18.0/24 256
99.6%
Zen Internet Ltd GB England Rochdale
88.98.21.0/24 256
99.6%
Zen Internet Ltd GB England Rochdale
91.235.214.0/24 256
0.8%
Zen Internet Ltd GB
185.6.135.0/24 256
0.0%
Zen Internet Ltd GB England Chichester
188.122.63.0/24 256
91.8%
Zen Internet Ltd GB

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS13037 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
91.235.214.0/24 12,718 2026-07-18 09:47:45
185.6.135.0/24 9,028 2026-07-18 09:39:56
77.104.128.0/18 5,087 2026-07-18 09:47:13
88.98.22.0/23 5,072 2026-07-18 09:47:13
88.98.160.0/21 5,072 2026-07-18 09:47:13
88.98.24.0/21 5,056 2026-07-18 09:47:13
88.98.128.0/19 5,053 2026-07-18 09:47:13
88.98.21.0/24 5,048 2026-07-18 09:47:13
51.155.0.0/16 5,042 2026-07-18 09:47:13
62.3.64.0/18 5,034 2026-07-18 09:47:13
88.98.18.0/24 5,032 2026-07-18 09:47:13
88.97.0.0/18 5,029 2026-07-18 09:47:13
51.148.0.0/16 5,029 2026-07-18 09:47:13
185.81.232.0/22 5,029 2026-07-18 09:47:13
185.169.116.0/23 5,021 2026-07-18 09:47:13
88.97.64.0/20 5,018 2026-07-18 09:47:13
88.98.16.0/23 5,009 2026-07-18 09:47:13
88.98.176.0/20 5,000 2026-07-18 09:47:13
88.98.172.0/22 4,999 2026-07-18 09:47:13
88.98.32.0/19 4,996 2026-07-18 09:47:13
88.98.0.0/20 4,996 2026-07-18 09:47:13
88.98.170.0/23 4,993 2026-07-18 09:47:13
88.97.96.0/20 4,986 2026-07-18 09:47:13
82.71.0.0/16 4,985 2026-07-18 09:47:13
88.98.64.0/19 4,983 2026-07-18 09:47:13
146.66.64.0/18 4,972 2026-07-18 09:47:13
88.97.88.0/22 4,971 2026-07-18 09:47:13
185.169.118.0/23 4,968 2026-07-18 09:47:13
212.23.0.0/19 4,942 2026-07-18 09:47:13
82.68.0.0/15 4,913 2026-07-18 09:47:13
185.183.100.0/22 4,908 2026-07-18 09:47:13
217.155.0.0/16 4,907 2026-07-18 09:47:13
188.122.60.0/23 4,848 2026-07-18 09:47:13
188.122.32.0/20 4,828 2026-07-18 09:47:13
188.122.63.0/24 4,826 2026-07-18 09:47:13
188.122.56.0/22 4,825 2026-07-18 09:47:13
188.122.48.0/21 4,790 2026-07-18 09:47:13
193.19.156.0/23 2,594 2026-05-29 10:03:10

Frequently Asked Questions

What is AS13037?

AS13037 is an Autonomous System Number assigned to Zen Internet Ltd. 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 AS13037 announce?

AS13037 announces 528.1K IPv4 addresses distributed across 37 routed CIDR prefixes. The network is registered in United Kingdom.

Who operates AS13037?

AS13037 is operated by Zen Internet Ltd. The organization is based in United Kingdom. You can view all IP ranges and related ASNs on the organization page.

What country is AS13037 registered in?

AS13037 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: 2026-07-18 10:40:31 UTC
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