Summary

ASN	AS8075 Microsoft Corporation
BGP	51.103.0.0/16
IPs with RDNS	32
Hosted Domains	0
Pingable IPs	28
Router IPs	0


51.103.63.0	—	0
51.103.63.1	—	0
51.103.63.2	—	0
51.103.63.3	—	0
51.103.63.4	—	0
51.103.63.5	—	0
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51.103.63.174	—	0
51.103.63.175	—	0
51.103.63.176	pipprdit18.francecentral.cloudapp.azure.com	0
51.103.63.177	pipprdit11.francecentral.cloudapp.azure.com	0
51.103.63.178	pipprdit15.francecentral.cloudapp.azure.com	0
51.103.63.179	pipprdit10.francecentral.cloudapp.azure.com	0
51.103.63.180	pipprdit9.francecentral.cloudapp.azure.com	0
51.103.63.181	pipprdit4.francecentral.cloudapp.azure.com	0
51.103.63.182	pipprdit8.francecentral.cloudapp.azure.com	0
51.103.63.183	pipprdit6.francecentral.cloudapp.azure.com	0
51.103.63.184	pipprdit7.francecentral.cloudapp.azure.com	0
51.103.63.185	pipprdit12.francecentral.cloudapp.azure.com	0
51.103.63.186	pipprdit16.francecentral.cloudapp.azure.com	0
51.103.63.187	pipprdit3.francecentral.cloudapp.azure.com	0
51.103.63.188	pipprdit17.francecentral.cloudapp.azure.com	0
51.103.63.189	pipprdit13.francecentral.cloudapp.azure.com	0
51.103.63.190	pipprdit14.francecentral.cloudapp.azure.com	0
51.103.63.191	pipprdit5.francecentral.cloudapp.azure.com	0
51.103.63.192	pipprdit29.francecentral.cloudapp.azure.com	0
51.103.63.193	pipprdit23.francecentral.cloudapp.azure.com	0
51.103.63.194	pipprdit27.francecentral.cloudapp.azure.com	0
51.103.63.195	pipprdit31.francecentral.cloudapp.azure.com	0
51.103.63.196	pipprdit33.francecentral.cloudapp.azure.com	0
51.103.63.197	pipprdit21.francecentral.cloudapp.azure.com	0
51.103.63.198	pipprdit20.francecentral.cloudapp.azure.com	0
51.103.63.199	pipprdit24.francecentral.cloudapp.azure.com	0
51.103.63.200	pipprdit19.francecentral.cloudapp.azure.com	0
51.103.63.201	pipprdit22.francecentral.cloudapp.azure.com	0
51.103.63.202	pipprdit26.francecentral.cloudapp.azure.com	0
51.103.63.203	pipprdit34.francecentral.cloudapp.azure.com	0
51.103.63.204	pipprdit32.francecentral.cloudapp.azure.com	0
51.103.63.205	pipprdit28.francecentral.cloudapp.azure.com	0
51.103.63.206	pipprdit30.francecentral.cloudapp.azure.com	0
51.103.63.207	pipprdit25.francecentral.cloudapp.azure.com	0
51.103.63.208	—	0
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51.103.63.254	—	0
51.103.63.255	—	0

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

traceroute -a -n -q1 51.103.63.121

traceroute to 51.103.63.121 (51.103.63.121): 64 hops max, 52 byte packets

1 [AS63023] 69.50.92.1 0.419 ms

2 [AS3257] 207.162.204.121 0.339 ms

3 [AS3257] 89.149.130.10 0.316 ms

4 [AS8075] 51.103.63.121 121.056 ms

Measurement taken from

IPinfo ProbeNet in Denver, US

On December 6th 2025