Zen Internet Ltd operates AS13037: 36 IPv4 prefixes covering 527,616 addresses, most of them in 
United Kingdom.
By IPv4 addresses the network ranks #540 worldwide and #14 of 1,931 networks in United Kingdom. That is 0.40% of the country’s IPv4 space.
The largest block is 82.68.0.0 to 82.69.255.255 with 131,072 addresses, geolocated to London.
- IPv4 addresses
- 527,616
- IPv4 prefixes
- 36
- World rank
- #540
- Country share
- 0.40%
- IPv6 ranges
- 1
Addresses by country
- United Kingdom 100%
Largest blocks
- 82.68.0.0 London131,072
- 217.155.0.0 London65,536
- 82.71.0.0 Ballater65,536
- 51.155.0.0 London65,536
- 51.148.0.0 London65,536
- 88.97.0.0 Rochdale20,480
- 88.98.21.0 Leyton19,200
- 146.66.64.0 Purley16,384
Networks of similar size
- AS18101 Reliance Communications Limited
530,176 - AS7726 FedEx Internet Technologies Corporation
530,176 - AS206067 Hutchison 3G UK Limited529,152
- AS56042 China Mobile Communications Corporation
528,128 - AS2607 Zdruzenie pouzivatelov Slovenskej akademickej datovej siete
526,080 - AS37119 UNITEL SA
525,312 - AS27947 Telconet S.A
525,056 - AS8612 Tiscali Italia S.P.A.
525,056
IPv4 prefixes
- 51.148.0.0/16
- 51.155.0.0/16
- 62.3.64.0/18
- 77.104.128.0/18
- 82.68.0.0/15
- 82.71.0.0/16
- 88.97.0.0/18
- 88.97.64.0/20
- 88.97.88.0/22
- 88.97.96.0/20
- 88.98.0.0/20
- 88.98.16.0/23
- 88.98.18.0/24
- 88.98.21.0/24
- 88.98.22.0/23
- 88.98.24.0/21
- 88.98.32.0/19
- 88.98.64.0/19
- 88.98.128.0/19
- 88.98.160.0/21
- 88.98.170.0/23
- 88.98.172.0/22
- 88.98.176.0/20
- 91.235.214.0/24
- 146.66.64.0/18
- 185.6.135.0/24
- 185.81.232.0/22
- 185.169.116.0/22
- 185.183.100.0/22
- 188.122.32.0/20
- 188.122.48.0/21
- 188.122.56.0/22
- 188.122.60.0/23
- 188.122.63.0/24
- 212.23.0.0/19
- 217.155.0.0/16
Questions and answers
Who owns AS13037?
Autonomous system AS13037 is operated by Zen Internet Ltd.
How many IP addresses does AS13037 have?
The network holds 527,616 IPv4 addresses in 36 prefixes, plus 1 IPv6 ranges.
Which country is AS13037 in?
The main country is United Kingdom.
How big is AS13037?
By IPv4 addresses it ranks #540 worldwide.
What is the largest address block of AS13037?
82.68.0.0 to 82.69.255.255, 131,072 addresses.