AS28748 ALPHACRON-AS Marc Pauls (AlphaCron Datensysteme)

ALPHACRON-AS Marc Pauls (AlphaCron Datensysteme) · registered in Germany

IPv4 addresses36,86413 prefixes · 0.001% of announced IPv4

Rank in Germany#154largest network in DE by IPv4 space, of 2,315 · 0.03% of DE

Rank worldwide#4,467of 79,396 networks with IPv4

IPv67 x /32 (524,286 x /48)19 prefixes

CountryGermany2,599 ASNs registered there

Open AS28748 in ASN lookup Look up an IP in this network (37.26.200.1) All networks in Germany

IPv4 prefixes

All 13 prefixes, in address order.

37.26.200.0/21
44.130.98.0/23
44.130.100.0/24
134.97.0.0/23
134.97.4.0/22
134.97.8.0/21
134.97.16.0/20
134.97.32.0/19
134.97.64.0/18
185.23.156.0/22
192.105.75.0/24
193.22.2.0/24
195.190.142.0/24

IPv6 prefixes

All 19 prefixes.

2001:650::/33
2001:650:8000::/34
2001:650:c000::/37
2001:650:c800::/38
2001:650:cc00::/48
2001:650:cc03::/48
2001:650:cc04::/46
2001:650:cc08::/45
2001:650:cc10::/44
2001:650:cc20::/43
2001:650:cc40::/42
2001:650:cc80::/41
2001:650:cd00::/40
2001:650:ce00::/39
2001:650:d000::/36
2001:650:e000::/35
2001:651::/32
2001:652::/31
2001:654::/30

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources