Autonomous System
AS61215 IIJ Europe Limited
ISPActiveUnited KingdomRIPE
AS61215 (IIJ-EXLAYER-AS) is an ISP network operated by IIJ Europe Limited in United Kingdom, registered with RIPE. It has 4 IPv4 prefixes with 12,288 addresses and 1 IPv6 prefix, which makes it the 9,234th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses12,288in 4 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#9,234of 82,200 active ASNs
Details
OrganizationIIJ Europe Limited
AS nameIIJ-EXLAYER-AS
Websiteiij.com
Country United Kingdom (GB)
Network typeISP
RegistryRIPE
Abuse contactpartners-uk@eu.iij.com
Registered2013-01-08
Last updated2025-06-23
IPv4 prefixes
4 prefixes · 12,288 addresses| Network | Addresses | First – last address |
|---|---|---|
| 220.100.128.0/19 | 8,192 | 220.100.128.0 – 220.100.159.255 |
| 151.252.120.0/21 | 2,048 | 151.252.120.0 – 151.252.127.255 |
| 185.12.160.0/22 | 1,024 | 185.12.160.0 – 185.12.163.255 |
| 213.244.196.0/22 | 1,024 | 213.244.196.0 – 213.244.199.255 |
220.100.128.0/19 151.252.120.0/21 185.12.160.0/22 213.244.196.0/22
IPv6 prefixes
1 prefix- 2a03:8cc0::/32
2a03:8cc0::/32
Query AS61215 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS61215&key=YOUR_API_KEY"Any address in its prefixes resolves to AS61215, with or without a key:
curl "https://api.ipapi.is/?q=220.100.128.1"