Summary

Country
US United States
Organization National Institutes of Health
Domain nih.gov
Number of IPv4 337,664
Number of IPv6 3.4817× 1026
AS Type Government
Registry ARIN
Allocated April 07, 1994 (about 31 years ago)
Updated October 28, 2022 (about 2 years ago)

IP Ranges

AS3527 announces 13 IPv4 ranges and 2 IPv6 ranges.

That's a total of 337,664 IPv4 addresses and 3.4817× 1026 IPv6 addresses.

Prefix Organization Size Registry Status
128.231.0.0/16
US National Institutes of Health
65,536 ARIN ALLOCATION
128.231.3.0/24
US National Institutes of Health
256 ARIN ALLOCATION
128.231.245.0/24
US National Institutes of Health
256 ARIN ALLOCATION
137.187.0.0/16
US National Institutes of Health
65,536 ARIN ALLOCATION
156.40.0.0/16
US National Institutes of Health
65,536 ARIN ALLOCATION
157.98.0.0/16
US National Institute of Environmental Health Sciences
65,536 ARIN ALLOCATION
162.99.224.0/19
US HRSA
8,192 ARIN REASSIGNMENT
165.112.0.0/16
US National Institutes of Health
65,536 ARIN ALLOCATION
165.112.137.0/24
US National Institutes of Health
256 ARIN ALLOCATION
165.112.138.0/24
US National Institutes of Health
256 ARIN ALLOCATION
192.231.145.0/24
US National Institutes of Health
256 ARIN ALLOCATION
192.231.146.0/24
US National Institutes of Health
256 ARIN ALLOCATION
192.231.147.0/24
US National Institutes of Health
256 ARIN ALLOCATION
Prefix Organization Size Registry Status
2607:f220:400::/40
US National Institutes of Health
3.0949× 1026 ARIN REALLOCATION
2607:f220:400::/43
US National Institutes of Health
3.8686× 1025 ARIN REALLOCATION

Peers

There are 1 peer for AS3527:

Upstreams

There are 3 upstreams for AS3527:

Downstreams

There are 1 downstream for AS3527:

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