AS51088 A2B IP B.V. 🇳🇱 NL

Announcing 77 prefixes, seen at the RIS collectors.

IPv4 prefixes

34,560 (135 × /24)

IPv6 prefixes

80 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

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
Website: https://www.a2b-internet.com
Looking glass: https://lg.a2b-internet.com/
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%)

Upstreams

Networks seen providing transit to this one

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS3257 GTT Communications Inc.	🇺🇸 US	63,137	1,910	4,522	CAIDA
AS6939 Hurricane Electric LLC	🇺🇸 US	55,195	240	315	inferred
AS24482 SG.GS	🇸🇬 SG	20,407	45	30	inferred
AS8455 atom86 BV	🇳🇱 NL	246	22	6,324	CAIDA
AS401753 BIXCE Inc	🇻🇬 VG	2	1	30	inferred

Peers

Adjacencies that look settlement-free rather than transit

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS6461 Zayo Bandwidth	🇺🇸 US	53,988	250	433	CAIDA
AS50673 Serverius Holding B.V.	🇳🇱 NL	20,318	131	228	CAIDA
AS3303 Swisscom (Schweiz) AG	🇨🇭 CH	20,269	348	235	CAIDA
AS13030 Init7 (Switzerland) Ltd.	🇨🇭 CH	305	70	28	CAIDA
AS42708 Glesys AB	🇸🇪 SE	96	203	385	CAIDA
AS29169 GANDI SAS	🇫🇷 FR	48	8	94	CAIDA
AS1103 SURF B.V.	🇳🇱 NL	30	99	348	CAIDA

Downstreams

Networks this one appears to provide transit to

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS8298 IPng Networks GmbH	🇨🇭 CH	11	3	18	CAIDA
AS15562 Job Snijders	🇳🇱 NL	2	9	220	CAIDA
AS60131 High5! B.V.	🇳🇱 NL	2	4	210	CAIDA
AS12902 Ekco B.V.	🇳🇱 NL	2	15	112	CAIDA
AS39855 Mod Mission Critical LLC	🇺🇸 US	2	485	33	inferred
AS202656 Ivanov Vitaliy Sergeevich	🇺🇦 UA	0	759	7,728	CAIDA
AS973 Revive IT Solutions LLC	🇺🇸 US	0	13	388	CAIDA
AS52102 Tribion B.V.	🇳🇱 NL	0	15	229	CAIDA
AS203919 LUMADOCK LTD	🇬🇧 GB	0	19	172	CAIDA
AS210449 SkyRENT B.V.	🇳🇱 NL	0	2	152	CAIDA
AS35027 SEVENP B.V.	🇳🇱 NL	0	3	129	CAIDA
AS24642 Caveo Internet BV	🇳🇱 NL	0	2	84	CAIDA
AS50119 Smith Computer Centrum Computers BV	🇳🇱 NL	0	1	76	CAIDA
AS60479 Exclusief.net BV	🇳🇱 NL	0	5	45	CAIDA
AS50559 Stichting Dutch Institute for Vulnerability Disclosure	🇳🇱 NL	0	1	43	CAIDA
AS199292 Eljakim Information Technology B.V.	🇳🇱 NL	0	1	43	CAIDA
AS213773 Bluem B.V.	🇳🇱 NL	0	1	43	CAIDA
AS31019 Paulus M. Hoogsteder	🇳🇱 NL	0	1	22	CAIDA
AS60358 McCloud.nl B.V.	🇳🇱 NL	0	1	21	CAIDA
AS207179 WilroffReitsma B.V.	🇳🇱 NL	0	2	20	CAIDA
AS20953 Info.nl Holding B.V.	🇳🇱 NL	0	2	14	CAIDA
AS205668 Green Mini host BV	🇳🇱 NL	0	10	12	CAIDA
AS57129 GidPro BV	🇳🇱 NL	0	3	8	CAIDA
AS201995 EINDHOVEN FIBER EXCHANGE B.V.	🇳🇱 NL	0	2	4	CAIDA
AS199670 DNS-Belgium VZW	🇧🇪 BE	0	4	3	CAIDA

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.