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ASN Lookup Tool
AS4901 The George Washington University

An Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.

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ASN Lookup for:

AS4901

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ASN Extended Info API
BGP Active Prefixes API
ASN Details JSON View

ASN Details

ASN
AS4901
Organisation
The George Washington University
AS Name
CAAREN
IPv4 Addresses Announced
1,024
IPv4 Prefixes Announced
1
IPv6 Prefixes Announced
253
IPv4 Bogon Prefixes
0
IPv6 Bogon Prefixes
0
IPv4 Space Rank
#36,245 out of 75,612
Registry
Arin
Registered Country
US
Registration Date
2013-09-30
Registration Change
2016-11-18

Receiving From

ASN
Organisation
AS6079
RCN
AS11039
The George Washington University
AS11537
Internet2
AS10886
University of Maryland

Transit To

ASN
Organisation
AS10497
The World Bank Group
AS11039
The George Washington University
AS32064
American University
AS11318
Georgetown University
AS11537
Internet2
AS10886
University of Maryland
AS396955
Internet2
AS64602
Private Use AS
AS11164
Internet2

Active Prefixes IPv4

Prefix
Range From
Range To
Prefix 162.250.136.0/22
Range From 162.250.136.0
Range To 162.250.139.255

Active Prefixes IPv6

Prefix
Range From
Range To
Prefix 2001:468:9:207::/127
Range From 2001:468:9:207::
Range To 2001:468:9:207::1
Prefix 2001:468:c00:ffdf::/64
Range From 2001:468:c00:ffdf::
Range To 2001:468:c00:ffdf:ffff:ffff:ffff:ffff
Prefix 2001:468:c00:ffe0::/64
Range From 2001:468:c00:ffe0::
Range To 2001:468:c00:ffe0:ffff:ffff:ffff:ffff
Prefix 2001:49d0:1600:3::/126
Range From 2001:49d0:1600:3::
Range To 2001:49d0:1600:3::3
Prefix 2610:84:3000:3::/64
Range From 2610:84:3000:3::
Range To 2610:84:3000:3:ffff:ffff:ffff:ffff
Prefix 2620:118:5000::/46
Range From 2620:118:5000::
Range To 2620:118:5003:ffff:ffff:ffff:ffff:ffff
Prefix 2620:118:5004::/47
Range From 2620:118:5004::
Range To 2620:118:5005:ffff:ffff:ffff:ffff:ffff
Prefix 2620:118:5006::/48
Range From 2620:118:5006::
Range To 2620:118:5006:ffff:ffff:ffff:ffff:ffff
Prefix 2620:118:5007::/52
Range From 2620:118:5007::
Range To 2620:118:5007:fff:ffff:ffff:ffff:ffff
Prefix 2620:118:5007:1000::/64
Range From 2620:118:5007:1000::
Range To 2620:118:5007:1000:ffff:ffff:ffff:ffff
Showing 10 of 253 Results View More >