Prefixes
66 · 20
IPv4 · IPv6
Network
AS51088 · A2B IP
EyeballA2B IP B.V.
A2B IP announces 66 IPv4 prefixes (35.3K addresses) and 20 IPv6 prefixes from the Netherlands. 81% of them are covered by valid RPKI records.
Address space
35.3K
IPv4 addresses · 5.7M IPv6 /48s
RPKI
81% valid0 invalid · 16 without a record
Peering
Selective
4 exchanges · 19 facilities
Where it is
Details
Network
- Name
- A2B IP B.V.
- Holder
- A2B-INTERNET-MNT
- Type
- NSP
- Country
- Netherlands
- Registry
- RIPE NCC
- Registered
- May 28, 201016 years ago
- Website
- a2b-internet.com
- Traffic
- 20-50Gbps
- UsersCloudflare Radar's estimate of people who reach the internet through this network.
- About 1.2K
- Abuse contact
- abuse@a2b-internet.com
Connectivity
Cloudflare Radar- UpstreamsNetworks this one buys transit from.
- GTT Communicationsatom86OpenFiber NL
- PeersNetworks it exchanges traffic with directly, without paying either way.
- 81
- CustomersNetworks that buy transit from it.
- 27
- AS-SETThe routing registry object that lists this network's customers, used to build route filters.
- RIPE::AS51088:AS-A2B
Routing security
- ASPAAn RPKI record listing the only networks allowed to be its upstream providers, so routers can reject leaked or forged paths.
- Not published
- RPKI coverageShare of its announcements that a signed record (ROA) authorizes.
- 70 of 86 valid
- IncidentsPossible BGP hijacks (high-confidence detections) and route leaks involving this network in the last 30 days, from Cloudflare Radar.
- 13 route leaks
Largest prefixes
IPv4
66- 46.244.0.0/19No ROA
- 46.244.96.0/19No ROA
- 31.134.200.0/21RPKI valid
- 46.244.0.0/21RPKI valid
- 93.93.120.0/21No ROA
- 178.249.152.0/21RPKI valid
- 46.244.8.0/22RPKI valid
- 46.244.24.0/22RPKI valid
- 46.244.100.0/22RPKI valid
- 46.244.104.0/22RPKI valid
- 185.30.204.0/22No ROA
- 185.34.220.0/22No ROA
- 185.41.124.0/22RPKI valid
- 185.63.244.0/22RPKI valid
- 185.205.52.0/22RPKI valid
- 192.166.96.0/22RPKI valid
- 46.244.12.0/23RPKI valid
- 46.244.14.0/23RPKI valid
- 46.244.16.0/23RPKI valid
- 46.244.112.0/23RPKI valid
- 46.244.120.0/23RPKI valid
- 46.244.122.0/23RPKI valid
- 46.244.124.0/23RPKI valid
- 185.37.4.0/23RPKI valid
IPv6
20- 2a05:2900::/29RPKI valid
- 2a06:2600::/29RPKI valid
- 2a0a:e80::/29RPKI valid
- 2a0b:1c0::/29RPKI valid
- 2a0f:ba00::/29RPKI valid
- 2a0f:d440::/29RPKI valid
- 2a12:4180::/29RPKI valid
- 2a13:800::/29RPKI valid
- 2a13:2c00::/29RPKI valid
- 2a13:3400::/29RPKI valid
- 2a01:77e0::/32RPKI valid
- 2a02:1668::/32RPKI valid
Internet exchanges
- Speed-IXDronten100 Gbps
- Frys-IXFryslân100 Gbps
- INTERIXAmsterdam100 Gbps
- AMS-IXAmsterdam20 Gbps