Autonomous System details
AS51088
A2B IP B.V. — a2b-internet.com
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Summary
| Country |
 Netherlands
|
| Organization | A2B IP B.V. |
| Domain | a2b-internet.com |
| Number of IPv4 | 37,376 |
| Number of IPv6 | 6.3383× 1030 |
| AS Type | Hosting |
| Registry | RIPE NCC |
| Allocated | May 28, 2010 (about 16 years ago) |
| Updated | January 20, 2026 (about 1 months ago) |
IP Ranges
AS51088 announces 61 IPv4 ranges and 19 IPv6 ranges.
That's a total of 37,376 IPv4 addresses and 6.3383× 1030 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 5.10.192.0/24 |
INFRA-AW
|
256 | RIPE NCC | ASSIGNED PA |
| 5.44.72.0/21 |
Mccloud Infra Alkmaar
|
2,048 | RIPE NCC | ASSIGNED PA |
| 31.41.255.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 31.134.200.0/21 |
A2B IP B.V.
|
2,048 | RIPE NCC | ALLOCATED PA |
| 45.85.191.0/24 |
Inetactief
|
256 | RIPE NCC | ASSIGNED PA |
| 46.175.131.0/24 |
Dc1.amsterdam Cooperatie U.A.
|
256 | RIPE NCC | ALLOCATED PA |
| 46.244.0.0/21 |
INFRA-AW
|
2,048 | RIPE NCC | ASSIGNED PA |
| 46.244.8.0/22 |
Shioda
|
1,024 | RIPE NCC | ASSIGNED PA |
| 46.244.12.0/23 |
A2B IP B.V.
|
512 | RIPE NCC | ALLOCATED PA |
| 46.244.14.0/23 |
Hot-Pinguin
|
512 | RIPE NCC | ASSIGNED PA |
| 46.244.16.0/23 |
Cloud2
|
512 | RIPE NCC | ASSIGNED PA |
| 46.244.20.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 46.244.21.0/24 |
SHADOWSRV
|
256 | RIPE NCC | ASSIGNED PA |
| 46.244.22.0/24 |
SHADOWSRV
|
256 | RIPE NCC | ASSIGNED PA |
| 46.244.23.0/24 |
ISC-SANS
|
256 | RIPE NCC | ASSIGNED PA |
| 46.244.24.0/22 |
A2B IP B.V.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 46.244.28.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 46.244.29.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 46.244.30.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 46.244.31.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 46.244.100.0/22 |
Den Haag
|
1,024 | RIPE NCC | ASSIGNED PA |
| 46.244.104.0/22 |
A2B IP B.V.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 46.244.112.0/23 |
Coa - Leeuwarden
|
512 | RIPE NCC | ASSIGNED PA |
| 46.244.120.0/23 |
A2B IP B.V.
|
512 | RIPE NCC | ALLOCATED PA |
| 46.244.122.0/23 |
A2B IP B.V.
|
512 | RIPE NCC | ALLOCATED PA |
| 46.244.124.0/23 |
A2B IP B.V.
|
512 | RIPE NCC | ALLOCATED PA |
| 46.244.126.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 46.244.127.0/24 |
 A2b Internet
|
256 | RIPE NCC | ASSIGNED PA |
| 62.3.55.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 62.68.84.0/24 |
Eljakim Information Technology B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 62.221.227.0/24 |
NL-IO-MODMC-Amsterdam-NL
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 91.213.13.0/24 |
Easy Networking B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 91.233.224.0/23 |
Riksjaonline B.V.
|
512 | RIPE NCC | ASSIGNED PI |
| 92.249.7.0/24 |
Eljakim Information Technology B.V.
|
256 | RIPE NCC | ALLOCATED-ASSIGNED PA |
| 93.93.120.0/21 |
Alkmaar Internetworking
|
2,048 | RIPE NCC | ASSIGNED PA |
| 93.190.124.0/24 |
Infra-commerce Investments B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 146.19.97.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 178.211.151.0/24 |
Syncforce B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 178.249.152.0/21 |
infra-aw
|
2,048 | RIPE NCC | ASSIGNED PA |
| 185.30.204.0/22 |
Hostling Main Net
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.34.220.0/22 |
Nebula-online B.V.
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.37.4.0/23 |
Atsc Infrastructure
|
512 | RIPE NCC | ASSIGNED PA |
| 185.37.6.0/24 |
Digifactory Hosting - Nl.atsc
|
256 | RIPE NCC | ASSIGNED PA |
| 185.40.254.0/24 |
De Ruiter Network Company B.V.
|
256 | RIPE NCC | ASSIGNED PA |
| 185.41.124.0/22 |
Infrastructure Mijnpartnergroep
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.44.244.0/22 |
Kantoor
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.46.173.0/24 |
Dc1.amsterdam Cooperatie U.A.
|
256 | RIPE NCC | ALLOCATED-ASSIGNED PA |
| 185.51.52.0/23 |
Access Range
|
512 | RIPE NCC | ASSIGNED PA |
| 185.63.244.0/22 |
It's Us Hosting Environment
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.205.52.0/22 |
A2B IP B.V.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 185.217.118.0/24 |
Wild ICT BV
|
256 | RIPE NCC | ASSIGNED PA |
| 185.218.207.0/24 |
Dc1.amsterdam Cooperatie U.A.
|
256 | RIPE NCC | ALLOCATED PA |
| 185.225.220.0/22 |
Ekco B.V.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 185.240.112.0/22 |
Ekco B.V.
|
1,024 | RIPE NCC | ALLOCATED PA |
| 188.95.143.0/24 |
NETAFFAIRS
|
256 | RIPE NCC | ASSIGNED PA |
| 192.166.96.0/22 |
Effect ICT Solutions B.V.
|
1,024 | RIPE NCC | ALLOCATED-ASSIGNED PA |
| 193.39.250.0/24 |
Edward Van Der Jagt B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 193.108.238.0/24 |
Easy Networking B.V.
|
256 | RIPE NCC | ASSIGNED PI |
| 193.110.189.0/24 |
Infra-commerce Investments B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| 193.169.108.0/23 |
RENZO LISSENBERG
|
512 | RIPE NCC | ASSIGNED PI |
| 212.24.126.0/24 |
A2B IP B.V.
|
256 | RIPE NCC | ALLOCATED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:67c:eb0::/48 |
Good Cloud BV
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2001:67c:1064::/48 |
Easy Networking B.V.
|
1.2089× 1024 | RIPE NCC | ASSIGNED PI |
| 2a01:77e0::/32 |
Ekco B.V.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a02:1668::/32 |
A2B IP B.V.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a02:166a::/32 |
FTTH-range
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a02:166b::/32 |
Dsl / Ftth Customers
|
7.9228× 1028 | RIPE NCC | AGGREGATED-BY-LIR |
| 2a02:2738::/32 |
Infrastructure Gemeente Alkmaar
|
7.9228× 1028 | RIPE NCC | ASSIGNED |
| 2a04:6dc0::/32 |
Atsc Colo V6
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-LIR |
| 2a05:2900::/29 |
A2B IP B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a06:2602::/32 |
A2B IP B.V.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a0a:e80::/29 |
A2B IP B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a0b:1c0::/29 |
A2B IP B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a0f:ba00::/29 |
A2B IP B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a0f:d440::/29 |
Infra-commerce Investments B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a12:4180::/29 |
Dc1.amsterdam Cooperatie U.A.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a13:800::/29 |
A2B IP B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a13:2c00::/29 |
A2B IP B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a13:3400::/29 |
A2B IP B.V.
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
| 2a14:12c0::/32 |
Eljakim Information Technology B.V.
|
7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS51088 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
AS286
AS714
AS1031
AS1103
AS1126
AS1820
AS2119
AS2603
AS2611
AS2906
AS3303
AS3856
AS3920
AS4455
AS5390
AS5524
AS6206
AS6461
AS6507
AS6667
AS6774
AS7342
AS8075
AS8220
AS8283
AS8315
AS8365
AS8368
AS8447
AS8657
AS8674
AS8763
AS8801
AS8881
AS9150
AS10310
AS11967
AS12399
AS12414
AS12859
AS13030
AS13101
AS13285
AS13335
AS14061
AS15169
AS15435
AS15703
AS15830
AS16265
AS16276
AS16298
AS16509
AS17290
AS19679
AS20495
AS20562
AS20940
AS21263
AS22356
AS24482
AS24961
AS25091
AS25151
AS25182
AS26141
AS26520
AS27523
AS28917
AS29119
AS29169
AS30132
AS30781
AS31500
AS31529
AS32590
AS32934
AS34288
AS34696
AS34756
AS34927
AS34968
AS35297
AS35467
AS37739
AS38965
AS39120
AS39409
AS39563
AS39647
AS39686
AS39704
AS41692
AS42093
AS42708
AS42755
AS43531
AS43668
AS44066
AS44439
AS44592
AS44620
AS44854
AS44901
AS45009
AS48011
AS48635
AS49134
AS49453
AS49544
AS49581
AS49600
AS49685
AS49820
AS49981
AS50263
AS50266
AS50272
AS50295
AS50522
AS50554
AS50629
AS50655
AS50673
AS51430
AS51942
AS52000
AS52025
AS52112
AS55285
AS56911
AS57043
AS57112
AS57344
AS57976
AS58075
AS58291
AS58299
AS59645
AS59900
AS59985
AS60431
AS60557
AS61029
AS61049
AS61568
AS64289
AS199524
AS200132
AS200232
AS201269
AS202562
AS202585
AS202673
AS204464
AS204539
AS205941
AS206238
AS206264
AS206389
AS207489
AS207994
AS208501
AS209109
AS209267
AS209823
AS210464
AS210890
AS211251
AS211623
AS211713
AS211786
AS212232
AS212477
AS212483
AS212591
AS212635
AS212855
AS213035
AS213052
AS213413
AS213449
AS213605
AS213622
AS213753
AS214279
AS214309
AS214556
AS214809
AS214973
AS215147
AS262761
AS263152
AS263444
AS328112
AS395878
AS399668
Upstreams
AS51088 connects to the global Internet via at least 5 upstream providers. In this setup, AS51088 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS51088 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS51088's role in extending Internet access beyond its own infrastructure.