AS51088 A2B IP B.V. 🇳🇱 NL

Announcing 77 prefixes, seen at the RIS collectors.

IPv4 prefixes
58
34,560 (135 × /24)
IPv6 prefixes
19
80 × /32
Upstreams
6
transit providers observed
Peers
7
settlement-free adjacencies
Downstreams
27
transit customers observed
Customer cone
39
ASes reachable through it

Registry and operator data

AS number
AS51088
Name
A2B IP B.V.
Organisation
A2B Internet
Country
🇳🇱 NL
RIR
RIPENCC
Allocated
2010-05-28
Network type
NSP
Traffic levels
20-50Gbps
Scope
Regional
Peering policy
Selective
IRR as-set
RIPE::AS51088:AS-A2B
PeeringDB
net/3237
Exchanges
4
Facilities
19

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

69 valid (89.6%) 0 invalid (0.0%) 8 no ROA (10.4%)

Announcement history

One point per day, recorded at each table import

01529445809-1809-2710-0610-1510-2411-0211-1111-13
IPv4 IPv6

Recorded changes

New prefixes and origin changes seen on the live stream

WhenChangePrefixOriginPath
2026-11-13 00:34:39Z origin change 185.44.244.0/22 AS12902 → AS51088 5782112586325751088
2026-11-13 00:34:39Z origin change 185.225.220.0/22 AS12902 → AS51088 5782112586325751088
2026-11-13 00:34:39Z origin change 185.240.112.0/22 AS12902 → AS51088 5782112586325751088
2026-11-12 19:16:10Z origin change 185.240.112.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-12 19:16:10Z origin change 185.44.244.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-12 19:16:10Z origin change 185.225.220.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-12 12:59:28Z origin change 185.44.244.0/22 AS12902 → AS51088 380013491325751088
2026-11-12 12:59:28Z origin change 185.225.220.0/22 AS12902 → AS51088 380013491325751088
2026-11-12 12:59:28Z origin change 185.240.112.0/22 AS12902 → AS51088 380013491325751088
2026-11-10 10:49:45Z origin change 185.240.112.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-10 10:49:45Z origin change 185.44.244.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-10 10:49:45Z origin change 185.225.220.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-10 09:43:20Z origin change 185.44.244.0/22 AS12902 → AS51088 2132419002325751088
2026-11-10 09:43:20Z origin change 185.225.220.0/22 AS12902 → AS51088 2132419002325751088
2026-11-10 09:43:20Z origin change 185.240.112.0/22 AS12902 → AS51088 2132419002325751088
2026-11-09 10:29:29Z origin change 185.44.244.0/22 AS51088 → AS12902 333312902
2026-11-09 10:29:29Z origin change 185.225.220.0/22 AS51088 → AS12902 333312902
2026-11-09 10:29:29Z origin change 185.240.112.0/22 AS51088 → AS12902 333312902
2026-11-09 09:14:58Z origin change 185.240.112.0/22 AS12902 → AS51088 22652325751088
2026-11-09 09:14:58Z origin change 185.225.220.0/22 AS12902 → AS51088 22652325751088
2026-11-09 09:14:58Z origin change 185.44.244.0/22 AS12902 → AS51088 22652325751088
2026-11-09 08:30:49Z origin change 185.240.112.0/22 AS51088 → AS12902 7018335612902
2026-11-09 08:30:49Z origin change 185.225.220.0/22 AS51088 → AS12902 7018335612902
2026-11-09 08:30:49Z origin change 185.44.244.0/22 AS51088 → AS12902 7018335612902
2026-11-09 08:25:39Z origin change 185.240.112.0/22 AS12902 → AS51088 7018325751088
2026-11-09 08:25:39Z origin change 185.225.220.0/22 AS12902 → AS51088 7018325751088
2026-11-09 08:25:39Z origin change 185.44.244.0/22 AS12902 → AS51088 7018325751088
2026-11-09 08:13:58Z origin change 185.240.112.0/22 AS51088 → AS12902 2265212992478512902
2026-11-09 08:13:58Z origin change 185.225.220.0/22 AS51088 → AS12902 2265212992478512902
2026-11-09 08:13:58Z origin change 185.44.244.0/22 AS51088 → AS12902 2265212992478512902
2026-11-09 07:55:37Z origin change 185.225.220.0/22 AS12902 → AS51088 5782112586325751088
2026-11-09 07:55:37Z origin change 185.240.112.0/22 AS12902 → AS51088 5782112586325751088
2026-11-09 07:55:32Z origin change 185.44.244.0/22 AS12902 → AS51088 5782112586325751088
2026-11-06 17:12:11Z origin change 185.240.112.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-06 17:12:11Z origin change 185.44.244.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-06 17:12:11Z origin change 185.225.220.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-06 06:48:29Z origin change 185.240.112.0/22 AS12902 → AS51088 5782112586325751088
2026-11-06 06:48:28Z origin change 185.225.220.0/22 AS12902 → AS51088 5782112586325751088
2026-11-06 06:48:24Z origin change 185.44.244.0/22 AS12902 → AS51088 5782112586325751088
2026-11-05 21:11:04Z origin change 185.44.244.0/22 AS51088 → AS12902 494322155104836212902
2026-11-05 21:11:04Z origin change 185.225.220.0/22 AS51088 → AS12902 494322155104836212902
2026-11-05 21:11:04Z origin change 185.240.112.0/22 AS51088 → AS12902 494322155104836212902
2026-11-05 19:23:09Z origin change 185.44.244.0/22 AS12902 → AS51088 5782112586325751088
2026-11-05 19:23:09Z origin change 185.225.220.0/22 AS12902 → AS51088 5782112586325751088
2026-11-05 19:23:09Z origin change 185.240.112.0/22 AS12902 → AS51088 5782112586325751088
2026-11-04 16:15:28Z origin change 185.240.112.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-04 16:15:28Z origin change 185.44.244.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-04 16:15:28Z origin change 185.225.220.0/22 AS51088 → AS12902 328840327727174335612902
2026-11-04 14:47:30Z origin change 185.44.244.0/22 AS12902 → AS51088 2132419002325751088
2026-11-04 14:47:30Z origin change 185.225.220.0/22 AS12902 → AS51088 2132419002325751088
2026-11-04 14:47:30Z origin change 185.240.112.0/22 AS12902 → AS51088 2132419002325751088
2026-11-04 03:00:00Z origin change 185.240.112.0/22 AS51088 → AS12902 58057174335612902
2026-11-04 03:00:00Z origin change 185.44.244.0/22 AS51088 → AS12902 58057174335612902
2026-11-04 03:00:00Z origin change 185.225.220.0/22 AS51088 → AS12902 58057174335612902
2026-11-04 02:43:41Z origin change 185.240.112.0/22 AS12902 → AS51088 580571836845551088
2026-11-04 02:43:41Z origin change 185.44.244.0/22 AS12902 → AS51088 580571836845551088
2026-11-04 02:43:41Z origin change 185.225.220.0/22 AS12902 → AS51088 580571836845551088
2026-11-01 23:34:03Z origin change 185.240.112.0/22 AS51088 → AS12902 599191277912902
2026-11-01 23:34:03Z origin change 185.225.220.0/22 AS51088 → AS12902 599191277912902
2026-11-01 23:34:03Z origin change 185.44.244.0/22 AS51088 → AS12902 599191277912902
2026-11-01 23:32:52Z origin change 185.44.244.0/22 AS12902 → AS51088 599199002325751088
2026-11-01 23:32:51Z origin change 185.225.220.0/22 AS12902 → AS51088 599199002325751088
2026-11-01 23:32:42Z origin change 185.240.112.0/22 AS12902 → AS51088 599199002325751088