Summary

Country
US United States
Organization Northwestern University
Domain northwestern.edu
Number of IPv4 150,016
Number of IPv6 4.6423× 1026
AS Type Education
Registry ARIN
Allocated April 09, 1987 (about 37 years ago)
Updated April 02, 2012 (about 12 years ago)

IP Ranges

AS103 announces 24 IPv4 ranges and 2 IPv6 ranges.

That's a total of 150,016 IPv4 addresses and 4.6423× 1026 IPv6 addresses.

Prefix Organization Size Registry Status
8.28.178.0/23
US Northwestern University
512 ARIN REALLOCATION
8.30.248.0/22
US Level 3 Parent, LLC
1,024 ARIN ALLOCATION
38.124.97.0/24
US Psinet, Inc.
256 ARIN ALLOCATION
129.105.0.0/16
US Northwestern University
65,536 ARIN ALLOCATION
165.124.0.0/17
US Northwestern University
32,768 ARIN ALLOCATION
165.124.17.0/24
US Northwestern University
256 ARIN ALLOCATION
165.124.128.0/19
US Northwestern University
8,192 ARIN ALLOCATION
165.124.160.0/20
US Northwestern University
4,096 ARIN ALLOCATION
165.124.176.0/21
US Northwestern University
2,048 ARIN ALLOCATION
165.124.184.0/23
US Northwestern University
512 ARIN ALLOCATION
165.124.186.0/24
US Northwestern University
256 ARIN ALLOCATION
165.124.192.0/19
US Northwestern University
8,192 ARIN ALLOCATION
165.124.224.0/21
US Northwestern University
2,048 ARIN ALLOCATION
165.124.232.0/22
US Northwestern University
1,024 ARIN ALLOCATION
165.124.240.0/20
US Northwestern University
4,096 ARIN ALLOCATION
192.5.143.0/24
US Northwestern University
256 ARIN ALLOCATION
192.26.85.0/24
US Northwestern University
256 ARIN ALLOCATION
192.26.86.0/23
US Northwestern University
512 ARIN ALLOCATION
192.31.155.0/24
US Northwestern University
256 ARIN ALLOCATION
192.31.253.0/24
US Northwestern University
256 ARIN ALLOCATION
199.74.64.0/18
US Northwestern University
16,384 ARIN ALLOCATION
199.249.165.0/24
US Northwestern University
256 ARIN ALLOCATION
199.249.166.0/23
US Northwestern University
512 ARIN ALLOCATION
199.249.168.0/23
US Northwestern University
512 ARIN ALLOCATION
Prefix Organization Size Registry Status
2620:10d:2000::/40
US Northwestern University
3.0949× 1026 ARIN ALLOCATION
2620:10d:2000::/41
US Northwestern University
1.5474× 1026 ARIN ALLOCATION

Peers

There are 2 peers for AS103:

Upstreams

There are 7 upstreams for AS103:

Downstreams

There is no downstream for AS103.

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