Autonomous System
AS197545 Era4 Limited
HostingActiveUnited KingdomRIPE
AS197545 (Era4-ASN) is a hosting network operated by Era4 Limited in United Kingdom, registered with RIPE. It has 3 IPv4 prefixes with 28,672 addresses and 2 IPv6 prefixes, which makes it the 5,668th largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses28,672in 3 prefixes
IPv6 prefixes2≈ 1.2 × 10²⁹ addresses
Size rank#5,668of 82,283 active ASNs
Details
OrganizationEra4 Limited · hosting provider profile
AS nameEra4-ASN
Websiteera4.com
Country United Kingdom (GB)
Network typeHosting
RegistryRIPE
Abuse contactenquiry@era4.com
Registered2026-05-15
Last updated2026-10-09
IPv4 prefixes
3 prefixes · 28,672 addresses| Network | Addresses | First – last address |
|---|---|---|
| 95.36.128.0/18 | 16,384 | 95.36.128.0 – 95.36.191.255 |
| 95.36.128.0/19 | 8,192 | 95.36.128.0 – 95.36.159.255 |
| 95.36.160.0/20 | 4,096 | 95.36.160.0 – 95.36.175.255 |
95.36.128.0/18 95.36.128.0/19 95.36.160.0/20
IPv6 prefixes
2 prefixes- 2a0c:bbc0::/32
- 2a0c:bbc0::/33
2a0c:bbc0::/32 2a0c:bbc0::/33
Query AS197545 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=AS197545&key=YOUR_API_KEY"Any address in its prefixes resolves to AS197545, with or without a key:
curl "https://api.ipapi.is/?q=95.36.128.1"