Address space

AS5501 FRAUNHOFER-CLUSTER-BW Research Institutes spread all over Germany

IPv4 prefixes 37 121K addresses

IPv6 prefixes 13

Most common size /24 IPv4

Flagged 0

Shape

Prefix sizes

IPv4

/16

/17

/20

/21

/22

/23

/24

How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Shape

Prefix sizes

IPv6

/48

Geography

Where the space lands

Country	Name	Prefixes
DE	Germany	50

Inventory

All prefixes

50 total

Prefix	Family	Addresses	Country
129.233.0.0/17	IPv4	32,768	DE
129.233.163.0/24	IPv4	256	DE
129.233.197.0/24	IPv4	256	DE
129.233.198.0/23	IPv4	512	DE
129.233.203.0/24	IPv4	256	DE
129.233.204.0/22	IPv4	1,024	DE
129.233.214.0/23	IPv4	512	DE
129.233.218.0/23	IPv4	512	DE
129.233.220.0/22	IPv4	1,024	DE
129.233.240.0/20	IPv4	4,096	DE
137.251.0.0/16	IPv4	65,536	DE
153.96.0.0/21	IPv4	2,048	DE
153.96.8.0/23	IPv4	512	DE
153.96.10.0/24	IPv4	256	DE
153.96.12.0/22	IPv4	1,024	DE
153.96.18.0/23	IPv4	512	DE
153.96.24.0/24	IPv4	256	DE
153.96.54.0/23	IPv4	512	DE
153.96.112.0/23	IPv4	512	DE
153.96.126.0/23	IPv4	512	DE
153.96.144.0/23	IPv4	512	DE
153.96.220.0/22	IPv4	1,024	DE
153.96.248.0/23	IPv4	512	DE
153.96.250.0/24	IPv4	256	DE
153.96.253.0/24	IPv4	256	DE
153.96.254.0/24	IPv4	256	DE
153.97.0.0/21	IPv4	2,048	DE
153.97.11.0/24	IPv4	256	DE
153.97.26.0/24	IPv4	256	DE
192.42.63.0/24	IPv4	256	DE
192.42.64.0/24	IPv4	256	DE
192.44.0.0/22	IPv4	1,024	DE
192.44.10.0/24	IPv4	256	DE
192.44.13.0/24	IPv4	256	DE
192.44.17.0/24	IPv4	256	DE
192.44.24.0/24	IPv4	256	DE
192.102.171.0/24	IPv4	256	DE
2a03:db80:1c14::/48	IPv6	—	DE
2a03:db80:4404::/48	IPv6	—	DE
2a03:db80:4410::/48	IPv6	—	DE
2a03:db80:4414::/48	IPv6	—	DE
2a03:db80:4416::/48	IPv6	—	DE
2a03:db80:4420::/48	IPv6	—	DE
2a03:db80:4424::/48	IPv6	—	DE
2a03:db80:4434::/48	IPv6	—	DE
2a03:db80:4460::/48	IPv6	—	DE
2a03:db80:4470::/48	IPv6	—	DE
2a03:db80:4480::/48	IPv6	—	DE
2a03:db80:4484::/48	IPv6	—	DE
2a03:db80:4494::/48	IPv6	—	DE